./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5900adef742c9bfa7a4740bfd6257cd40ef26644b367767fd6845fd72b79bbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:30:22,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:30:22,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:30:22,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:30:22,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:30:22,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:30:22,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:30:22,795 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:30:22,795 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:30:22,796 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:30:22,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:30:22,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:30:22,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:30:22,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:30:22,796 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:30:22,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:30:22,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:30:22,797 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:30:22,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:30:22,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:30:22,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:30:22,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:30:22,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:30:22,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:30:22,797 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:30:22,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:30:22,798 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:30:22,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:30:22,798 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:30:22,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:22,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:30:22,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:30:22,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:22,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:30:22,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:22,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:30:22,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:30:22,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:22,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:30:22,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:30:22,799 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:30:22,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:30:22,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:30:22,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:30:22,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:30:22,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:30:22,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:30:22,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:30:22,800 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_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5900adef742c9bfa7a4740bfd6257cd40ef26644b367767fd6845fd72b79bbd [2024-11-28 04:30:23,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:30:23,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:30:23,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:30:23,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:30:23,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:30:23,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i [2024-11-28 04:30:25,958 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/data/7ea07bac9/d3d1611984cd41ffbcf7acb09d073e6a/FLAGaf11e2359 [2024-11-28 04:30:26,248 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:30:26,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i [2024-11-28 04:30:26,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/data/7ea07bac9/d3d1611984cd41ffbcf7acb09d073e6a/FLAGaf11e2359 [2024-11-28 04:30:26,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/data/7ea07bac9/d3d1611984cd41ffbcf7acb09d073e6a [2024-11-28 04:30:26,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:30:26,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:30:26,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:26,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:30:26,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:30:26,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f3a5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26, skipping insertion in model container [2024-11-28 04:30:26,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:30:26,522 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_776e3bb9-117c-4a64-a3c9-9b67639489ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i[916,929] [2024-11-28 04:30:26,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:26,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:30:26,682 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_776e3bb9-117c-4a64-a3c9-9b67639489ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i[916,929] [2024-11-28 04:30:26,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:26,788 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:30:26,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26 WrapperNode [2024-11-28 04:30:26,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:26,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:26,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:30:26,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:30:26,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,910 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 224 [2024-11-28 04:30:26,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:26,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:30:26,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:30:26,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:30:26,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,925 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,956 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]. [2024-11-28 04:30:26,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,974 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:26,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:30:27,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:30:27,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:30:27,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:30:27,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (1/1) ... [2024-11-28 04:30:27,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:27,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:27,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:30:27,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:30:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:30:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:30:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:30:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:30:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:30:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:30:27,186 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:30:27,188 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:30:27,863 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-28 04:30:27,863 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:30:27,880 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:30:27,880 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:30:27,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:27 BoogieIcfgContainer [2024-11-28 04:30:27,880 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:30:27,882 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:30:27,882 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:30:27,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:30:27,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:30:26" (1/3) ... [2024-11-28 04:30:27,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ad8148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:30:27, skipping insertion in model container [2024-11-28 04:30:27,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:26" (2/3) ... [2024-11-28 04:30:27,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ad8148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:30:27, skipping insertion in model container [2024-11-28 04:30:27,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:27" (3/3) ... [2024-11-28 04:30:27,895 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-53.i [2024-11-28 04:30:27,915 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:30:27,917 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-53.i that has 2 procedures, 97 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:30:27,989 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:30:28,004 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;@3ba56827, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:30:28,005 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:30:28,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 04:30:28,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-28 04:30:28,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:28,028 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:28,029 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:28,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:28,035 INFO L85 PathProgramCache]: Analyzing trace with hash -395558692, now seen corresponding path program 1 times [2024-11-28 04:30:28,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:28,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985102723] [2024-11-28 04:30:28,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:28,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:28,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-28 04:30:28,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:28,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985102723] [2024-11-28 04:30:28,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985102723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:30:28,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764205765] [2024-11-28 04:30:28,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:28,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:28,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:28,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:28,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:30:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:28,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:30:28,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2024-11-28 04:30:28,813 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:30:28,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764205765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:28,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:30:28,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:30:28,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599488248] [2024-11-28 04:30:28,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:28,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:30:28,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:28,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:30:28,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:30:28,843 INFO L87 Difference]: Start difference. First operand has 97 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 04:30:28,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:28,888 INFO L93 Difference]: Finished difference Result 191 states and 322 transitions. [2024-11-28 04:30:28,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:30:28,891 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 171 [2024-11-28 04:30:28,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:28,901 INFO L225 Difference]: With dead ends: 191 [2024-11-28 04:30:28,901 INFO L226 Difference]: Without dead ends: 93 [2024-11-28 04:30:28,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:30:28,909 INFO L435 NwaCegarLoop]: 147 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, 147 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 [2024-11-28 04:30:28,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:30:28,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-28 04:30:28,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-28 04:30:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 66 states have (on average 1.4090909090909092) internal successors, (93), 66 states have internal predecessors, (93), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 04:30:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 143 transitions. [2024-11-28 04:30:28,970 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 143 transitions. Word has length 171 [2024-11-28 04:30:28,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:28,970 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 143 transitions. [2024-11-28 04:30:28,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 04:30:28,971 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 143 transitions. [2024-11-28 04:30:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-28 04:30:28,973 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:28,977 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:28,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:30:29,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:29,178 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:29,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:29,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1393048874, now seen corresponding path program 1 times [2024-11-28 04:30:29,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:29,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112896256] [2024-11-28 04:30:29,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:29,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:30,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 04:30:30,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:30,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112896256] [2024-11-28 04:30:30,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112896256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:30,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:30,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:30:30,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335387394] [2024-11-28 04:30:30,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:30,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:30:30,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:30,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:30:30,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:30:30,298 INFO L87 Difference]: Start difference. First operand 93 states and 143 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:30,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:30,411 INFO L93 Difference]: Finished difference Result 233 states and 356 transitions. [2024-11-28 04:30:30,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:30:30,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 171 [2024-11-28 04:30:30,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:30,420 INFO L225 Difference]: With dead ends: 233 [2024-11-28 04:30:30,421 INFO L226 Difference]: Without dead ends: 143 [2024-11-28 04:30:30,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:30:30,426 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 65 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:30,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 405 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:30:30,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-28 04:30:30,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2024-11-28 04:30:30,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-28 04:30:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 212 transitions. [2024-11-28 04:30:30,463 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 212 transitions. Word has length 171 [2024-11-28 04:30:30,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:30,465 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 212 transitions. [2024-11-28 04:30:30,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:30,465 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 212 transitions. [2024-11-28 04:30:30,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-28 04:30:30,468 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:30,468 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:30,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:30:30,468 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:30,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:30,472 INFO L85 PathProgramCache]: Analyzing trace with hash 381958488, now seen corresponding path program 1 times [2024-11-28 04:30:30,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:30,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447187752] [2024-11-28 04:30:30,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:30,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:35,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 04:30:35,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:35,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447187752] [2024-11-28 04:30:35,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447187752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:35,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:35,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:30:35,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837580381] [2024-11-28 04:30:35,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:35,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:30:35,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:35,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:30:35,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:30:35,534 INFO L87 Difference]: Start difference. First operand 139 states and 212 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:36,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:36,582 INFO L93 Difference]: Finished difference Result 424 states and 650 transitions. [2024-11-28 04:30:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:30:36,583 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 171 [2024-11-28 04:30:36,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:36,587 INFO L225 Difference]: With dead ends: 424 [2024-11-28 04:30:36,587 INFO L226 Difference]: Without dead ends: 288 [2024-11-28 04:30:36,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:30:36,589 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 141 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:36,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 407 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-28 04:30:36,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-28 04:30:36,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 190. [2024-11-28 04:30:36,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 156 states have (on average 1.4871794871794872) internal successors, (232), 157 states have internal predecessors, (232), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-28 04:30:36,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 294 transitions. [2024-11-28 04:30:36,610 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 294 transitions. Word has length 171 [2024-11-28 04:30:36,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:36,614 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 294 transitions. [2024-11-28 04:30:36,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 294 transitions. [2024-11-28 04:30:36,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 04:30:36,621 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:36,621 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:36,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:30:36,621 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:36,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:36,622 INFO L85 PathProgramCache]: Analyzing trace with hash -517913103, now seen corresponding path program 1 times [2024-11-28 04:30:36,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:36,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154102256] [2024-11-28 04:30:36,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:36,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 04:30:40,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:40,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154102256] [2024-11-28 04:30:40,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154102256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:40,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:40,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:30:40,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928207429] [2024-11-28 04:30:40,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:40,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:30:40,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:40,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:30:40,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:30:40,765 INFO L87 Difference]: Start difference. First operand 190 states and 294 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:42,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:42,762 INFO L93 Difference]: Finished difference Result 604 states and 926 transitions. [2024-11-28 04:30:42,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:30:42,767 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 172 [2024-11-28 04:30:42,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:42,770 INFO L225 Difference]: With dead ends: 604 [2024-11-28 04:30:42,770 INFO L226 Difference]: Without dead ends: 417 [2024-11-28 04:30:42,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:30:42,776 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 232 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:42,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 718 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 571 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-28 04:30:42,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-28 04:30:42,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 202. [2024-11-28 04:30:42,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 168 states have (on average 1.5) internal successors, (252), 169 states have internal predecessors, (252), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-28 04:30:42,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 314 transitions. [2024-11-28 04:30:42,826 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 314 transitions. Word has length 172 [2024-11-28 04:30:42,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:42,831 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 314 transitions. [2024-11-28 04:30:42,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 314 transitions. [2024-11-28 04:30:42,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 04:30:42,833 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:42,833 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:42,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:30:42,834 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:42,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:42,834 INFO L85 PathProgramCache]: Analyzing trace with hash -651926609, now seen corresponding path program 1 times [2024-11-28 04:30:42,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:42,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332752138] [2024-11-28 04:30:42,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:42,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:43,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 04:30:43,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:43,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332752138] [2024-11-28 04:30:43,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332752138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:43,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:43,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:30:43,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815186800] [2024-11-28 04:30:43,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:43,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:30:43,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:43,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:30:43,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:30:43,037 INFO L87 Difference]: Start difference. First operand 202 states and 314 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:43,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:43,203 INFO L93 Difference]: Finished difference Result 623 states and 971 transitions. [2024-11-28 04:30:43,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:30:43,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 172 [2024-11-28 04:30:43,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:43,207 INFO L225 Difference]: With dead ends: 623 [2024-11-28 04:30:43,207 INFO L226 Difference]: Without dead ends: 424 [2024-11-28 04:30:43,212 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:30:43,212 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 139 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:43,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 430 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:30:43,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-28 04:30:43,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 313. [2024-11-28 04:30:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 269 states have (on average 1.486988847583643) internal successors, (400), 272 states have internal predecessors, (400), 39 states have call successors, (39), 4 states have call predecessors, (39), 4 states have return successors, (39), 36 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:30:43,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 478 transitions. [2024-11-28 04:30:43,253 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 478 transitions. Word has length 172 [2024-11-28 04:30:43,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:43,254 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 478 transitions. [2024-11-28 04:30:43,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:43,255 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 478 transitions. [2024-11-28 04:30:43,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 04:30:43,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:43,259 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:43,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:30:43,259 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:43,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:43,260 INFO L85 PathProgramCache]: Analyzing trace with hash 350920480, now seen corresponding path program 1 times [2024-11-28 04:30:43,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:43,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897916712] [2024-11-28 04:30:43,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:43,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 04:30:45,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:45,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897916712] [2024-11-28 04:30:45,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897916712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:45,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:45,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:30:45,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357732421] [2024-11-28 04:30:45,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:45,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:30:45,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:45,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:30:45,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:30:45,998 INFO L87 Difference]: Start difference. First operand 313 states and 478 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:47,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:47,832 INFO L93 Difference]: Finished difference Result 1198 states and 1830 transitions. [2024-11-28 04:30:47,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:30:47,833 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 172 [2024-11-28 04:30:47,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:47,838 INFO L225 Difference]: With dead ends: 1198 [2024-11-28 04:30:47,838 INFO L226 Difference]: Without dead ends: 888 [2024-11-28 04:30:47,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:30:47,840 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 382 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 474 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:47,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 585 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 474 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 04:30:47,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2024-11-28 04:30:47,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 371. [2024-11-28 04:30:47,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 299 states have (on average 1.4481605351170568) internal successors, (433), 302 states have internal predecessors, (433), 64 states have call successors, (64), 7 states have call predecessors, (64), 7 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-28 04:30:47,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 561 transitions. [2024-11-28 04:30:47,875 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 561 transitions. Word has length 172 [2024-11-28 04:30:47,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:47,876 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 561 transitions. [2024-11-28 04:30:47,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:47,876 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 561 transitions. [2024-11-28 04:30:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 04:30:47,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:47,879 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:47,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:30:47,879 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:47,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:47,879 INFO L85 PathProgramCache]: Analyzing trace with hash 870040819, now seen corresponding path program 1 times [2024-11-28 04:30:47,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:47,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148776929] [2024-11-28 04:30:47,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:47,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 6 proven. 66 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-28 04:30:48,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:48,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148776929] [2024-11-28 04:30:48,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148776929] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:30:48,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989202970] [2024-11-28 04:30:48,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:48,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:48,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:48,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:48,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:30:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:48,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 04:30:48,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 204 proven. 66 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2024-11-28 04:30:49,801 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:30:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 6 proven. 66 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-28 04:30:50,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989202970] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:30:50,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:30:50,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 22 [2024-11-28 04:30:50,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180349375] [2024-11-28 04:30:50,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:30:50,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-28 04:30:50,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:50,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-28 04:30:50,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=382, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:30:50,431 INFO L87 Difference]: Start difference. First operand 371 states and 561 transitions. Second operand has 22 states, 22 states have (on average 5.545454545454546) internal successors, (122), 22 states have internal predecessors, (122), 6 states have call successors, (75), 3 states have call predecessors, (75), 6 states have return successors, (75), 6 states have call predecessors, (75), 6 states have call successors, (75) [2024-11-28 04:30:52,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:52,400 INFO L93 Difference]: Finished difference Result 1063 states and 1594 transitions. [2024-11-28 04:30:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-28 04:30:52,401 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.545454545454546) internal successors, (122), 22 states have internal predecessors, (122), 6 states have call successors, (75), 3 states have call predecessors, (75), 6 states have return successors, (75), 6 states have call predecessors, (75), 6 states have call successors, (75) Word has length 173 [2024-11-28 04:30:52,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:52,405 INFO L225 Difference]: With dead ends: 1063 [2024-11-28 04:30:52,406 INFO L226 Difference]: Without dead ends: 753 [2024-11-28 04:30:52,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=473, Invalid=1879, Unknown=0, NotChecked=0, Total=2352 [2024-11-28 04:30:52,409 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 875 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 1117 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:52,409 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [903 Valid, 1117 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 04:30:52,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2024-11-28 04:30:52,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 391. [2024-11-28 04:30:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 318 states have (on average 1.4465408805031446) internal successors, (460), 321 states have internal predecessors, (460), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-28 04:30:52,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 588 transitions. [2024-11-28 04:30:52,454 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 588 transitions. Word has length 173 [2024-11-28 04:30:52,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:52,455 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 588 transitions. [2024-11-28 04:30:52,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.545454545454546) internal successors, (122), 22 states have internal predecessors, (122), 6 states have call successors, (75), 3 states have call predecessors, (75), 6 states have return successors, (75), 6 states have call predecessors, (75), 6 states have call successors, (75) [2024-11-28 04:30:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 588 transitions. [2024-11-28 04:30:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 04:30:52,458 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:52,458 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:52,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:30:52,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:52,662 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:52,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:52,662 INFO L85 PathProgramCache]: Analyzing trace with hash 226049855, now seen corresponding path program 1 times [2024-11-28 04:30:52,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:52,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678632217] [2024-11-28 04:30:52,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:52,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 04:30:52,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:52,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678632217] [2024-11-28 04:30:52,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678632217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:52,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:52,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:30:52,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906731831] [2024-11-28 04:30:52,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:52,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:30:52,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:52,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:30:52,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:30:52,907 INFO L87 Difference]: Start difference. First operand 391 states and 588 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:53,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:53,065 INFO L93 Difference]: Finished difference Result 709 states and 1074 transitions. [2024-11-28 04:30:53,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:30:53,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 173 [2024-11-28 04:30:53,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:53,069 INFO L225 Difference]: With dead ends: 709 [2024-11-28 04:30:53,069 INFO L226 Difference]: Without dead ends: 399 [2024-11-28 04:30:53,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:30:53,071 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 61 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:53,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 295 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:30:53,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-28 04:30:53,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 395. [2024-11-28 04:30:53,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 322 states have (on average 1.4409937888198758) internal successors, (464), 325 states have internal predecessors, (464), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-28 04:30:53,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 592 transitions. [2024-11-28 04:30:53,103 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 592 transitions. Word has length 173 [2024-11-28 04:30:53,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:53,104 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 592 transitions. [2024-11-28 04:30:53,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:53,104 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 592 transitions. [2024-11-28 04:30:53,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 04:30:53,106 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:53,106 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:53,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:30:53,107 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:53,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:53,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1480091351, now seen corresponding path program 1 times [2024-11-28 04:30:53,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:53,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471306052] [2024-11-28 04:30:53,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:53,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:55,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 04:30:55,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:55,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471306052] [2024-11-28 04:30:55,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471306052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:55,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:55,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 04:30:55,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810752825] [2024-11-28 04:30:55,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:55,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:30:55,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:55,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:30:55,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:30:55,668 INFO L87 Difference]: Start difference. First operand 395 states and 592 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:57,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:57,065 INFO L93 Difference]: Finished difference Result 1087 states and 1634 transitions. [2024-11-28 04:30:57,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:30:57,066 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 173 [2024-11-28 04:30:57,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:57,070 INFO L225 Difference]: With dead ends: 1087 [2024-11-28 04:30:57,070 INFO L226 Difference]: Without dead ends: 773 [2024-11-28 04:30:57,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:30:57,072 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 443 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:57,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 478 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:30:57,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2024-11-28 04:30:57,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 395. [2024-11-28 04:30:57,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 322 states have (on average 1.4409937888198758) internal successors, (464), 325 states have internal predecessors, (464), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 61 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-28 04:30:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 592 transitions. [2024-11-28 04:30:57,123 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 592 transitions. Word has length 173 [2024-11-28 04:30:57,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:57,123 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 592 transitions. [2024-11-28 04:30:57,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:30:57,124 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 592 transitions. [2024-11-28 04:30:57,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-28 04:30:57,127 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:57,127 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:57,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:30:57,128 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:57,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:57,128 INFO L85 PathProgramCache]: Analyzing trace with hash -618131636, now seen corresponding path program 1 times [2024-11-28 04:30:57,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:57,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261689291] [2024-11-28 04:30:57,128 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:57,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:30:57,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [31164868] [2024-11-28 04:30:57,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:57,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:57,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:57,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:57,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:30:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:57,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-28 04:30:57,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 547 proven. 264 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2024-11-28 04:31:01,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:31:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 96 proven. 174 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2024-11-28 04:31:05,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:05,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261689291] [2024-11-28 04:31:05,778 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 04:31:05,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31164868] [2024-11-28 04:31:05,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31164868] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:31:05,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:31:05,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 21] total 45 [2024-11-28 04:31:05,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064259807] [2024-11-28 04:31:05,779 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:31:05,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-28 04:31:05,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:05,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-28 04:31:05,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=1558, Unknown=0, NotChecked=0, Total=1980 [2024-11-28 04:31:05,781 INFO L87 Difference]: Start difference. First operand 395 states and 592 transitions. Second operand has 45 states, 43 states have (on average 2.9069767441860463) internal successors, (125), 41 states have internal predecessors, (125), 12 states have call successors, (50), 7 states have call predecessors, (50), 12 states have return successors, (50), 10 states have call predecessors, (50), 12 states have call successors, (50) [2024-11-28 04:31:25,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:25,135 INFO L93 Difference]: Finished difference Result 2231 states and 3152 transitions. [2024-11-28 04:31:25,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-11-28 04:31:25,135 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 43 states have (on average 2.9069767441860463) internal successors, (125), 41 states have internal predecessors, (125), 12 states have call successors, (50), 7 states have call predecessors, (50), 12 states have return successors, (50), 10 states have call predecessors, (50), 12 states have call successors, (50) Word has length 174 [2024-11-28 04:31:25,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:25,148 INFO L225 Difference]: With dead ends: 2231 [2024-11-28 04:31:25,148 INFO L226 Difference]: Without dead ends: 1902 [2024-11-28 04:31:25,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 464 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6695 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=4079, Invalid=14553, Unknown=0, NotChecked=0, Total=18632 [2024-11-28 04:31:25,155 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 3491 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 2843 mSolverCounterSat, 874 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3494 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 3717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 874 IncrementalHoareTripleChecker+Valid, 2843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:25,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3494 Valid, 1687 Invalid, 3717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [874 Valid, 2843 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2024-11-28 04:31:25,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2024-11-28 04:31:25,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 812. [2024-11-28 04:31:25,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 812 states, 690 states have (on average 1.4246376811594204) internal successors, (983), 694 states have internal predecessors, (983), 91 states have call successors, (91), 30 states have call predecessors, (91), 30 states have return successors, (91), 87 states have call predecessors, (91), 91 states have call successors, (91) [2024-11-28 04:31:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1165 transitions. [2024-11-28 04:31:25,272 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1165 transitions. Word has length 174 [2024-11-28 04:31:25,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:25,273 INFO L471 AbstractCegarLoop]: Abstraction has 812 states and 1165 transitions. [2024-11-28 04:31:25,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 43 states have (on average 2.9069767441860463) internal successors, (125), 41 states have internal predecessors, (125), 12 states have call successors, (50), 7 states have call predecessors, (50), 12 states have return successors, (50), 10 states have call predecessors, (50), 12 states have call successors, (50) [2024-11-28 04:31:25,274 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1165 transitions. [2024-11-28 04:31:25,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-28 04:31:25,276 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:25,276 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:25,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:31:25,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:31:25,481 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:31:25,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:25,481 INFO L85 PathProgramCache]: Analyzing trace with hash 529993804, now seen corresponding path program 1 times [2024-11-28 04:31:25,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:25,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496916742] [2024-11-28 04:31:25,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:25,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:25,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-11-28 04:31:25,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:31:25,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496916742] [2024-11-28 04:31:25,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496916742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:25,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:25,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:31:25,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802233018] [2024-11-28 04:31:25,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:25,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:31:25,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:31:25,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:31:25,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:31:25,693 INFO L87 Difference]: Start difference. First operand 812 states and 1165 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:31:25,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:25,859 INFO L93 Difference]: Finished difference Result 1912 states and 2763 transitions. [2024-11-28 04:31:25,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:31:25,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 174 [2024-11-28 04:31:25,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:25,868 INFO L225 Difference]: With dead ends: 1912 [2024-11-28 04:31:25,868 INFO L226 Difference]: Without dead ends: 1529 [2024-11-28 04:31:25,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:31:25,871 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 76 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:25,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 273 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:31:25,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2024-11-28 04:31:26,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 1527. [2024-11-28 04:31:26,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1527 states, 1317 states have (on average 1.430523917995444) internal successors, (1884), 1325 states have internal predecessors, (1884), 157 states have call successors, (157), 52 states have call predecessors, (157), 52 states have return successors, (157), 149 states have call predecessors, (157), 157 states have call successors, (157) [2024-11-28 04:31:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 2198 transitions. [2024-11-28 04:31:26,059 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 2198 transitions. Word has length 174 [2024-11-28 04:31:26,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:26,061 INFO L471 AbstractCegarLoop]: Abstraction has 1527 states and 2198 transitions. [2024-11-28 04:31:26,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-11-28 04:31:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 2198 transitions. [2024-11-28 04:31:26,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-28 04:31:26,077 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:26,077 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:26,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:31:26,077 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:31:26,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:26,078 INFO L85 PathProgramCache]: Analyzing trace with hash -150064566, now seen corresponding path program 1 times [2024-11-28 04:31:26,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:31:26,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778367681] [2024-11-28 04:31:26,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:26,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:31:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:31:26,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2077668462] [2024-11-28 04:31:26,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:26,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:31:26,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:26,304 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:31:26,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:31:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:26,479 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:31:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:31:26,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:31:26,724 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:31:26,726 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:31:26,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:31:26,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 04:31:26,931 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:27,103 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:31:27,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:31:27 BoogieIcfgContainer [2024-11-28 04:31:27,110 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:31:27,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:31:27,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:31:27,112 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:31:27,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:27" (3/4) ... [2024-11-28 04:31:27,115 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:31:27,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:31:27,116 INFO L158 Benchmark]: Toolchain (without parser) took 60829.70ms. Allocated memory was 117.4MB in the beginning and 419.4MB in the end (delta: 302.0MB). Free memory was 92.4MB in the beginning and 266.1MB in the end (delta: -173.6MB). Peak memory consumption was 132.8MB. Max. memory is 16.1GB. [2024-11-28 04:31:27,117 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:31:27,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.33ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 74.5MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:31:27,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.86ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 66.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:31:27,118 INFO L158 Benchmark]: Boogie Preprocessor took 89.26ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 50.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:31:27,118 INFO L158 Benchmark]: RCFGBuilder took 879.99ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 62.5MB in the end (delta: -11.6MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-11-28 04:31:27,119 INFO L158 Benchmark]: TraceAbstraction took 59228.16ms. Allocated memory was 117.4MB in the beginning and 419.4MB in the end (delta: 302.0MB). Free memory was 61.9MB in the beginning and 266.1MB in the end (delta: -204.2MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. [2024-11-28 04:31:27,120 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 419.4MB. Free memory was 266.1MB in the beginning and 266.1MB in the end (delta: 56.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:31:27,121 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.33ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 74.5MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.86ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 66.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.26ms. Allocated memory is still 117.4MB. Free memory was 66.4MB in the beginning and 50.9MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 879.99ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 62.5MB in the end (delta: -11.6MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * TraceAbstraction took 59228.16ms. Allocated memory was 117.4MB in the beginning and 419.4MB in the end (delta: 302.0MB). Free memory was 61.9MB in the beginning and 266.1MB in the end (delta: -204.2MB). Peak memory consumption was 92.0MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 419.4MB. Free memory was 266.1MB in the beginning and 266.1MB in the end (delta: 56.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 167, overapproximation of someBinaryFLOATComparisonOperation at line 193, overapproximation of someBinaryFLOATComparisonOperation at line 165, overapproximation of someBinaryFLOATComparisonOperation at line 169, overapproximation of someUnaryDOUBLEoperation at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 193, overapproximation of someBinaryDOUBLEComparisonOperation at line 174, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryDOUBLEComparisonOperation at line 175, overapproximation of someBinaryArithmeticFLOAToperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -100; [L23] unsigned char var_1_2 = 200; [L24] unsigned char var_1_3 = 100; [L25] unsigned char var_1_4 = 8; [L26] unsigned char var_1_7 = 16; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 0; [L30] unsigned char var_1_14 = 0; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 0; [L33] unsigned short int var_1_17 = 256; [L34] signed short int var_1_19 = -100; [L35] signed short int var_1_20 = 32; [L36] unsigned char var_1_21 = 1; [L37] signed short int var_1_23 = -256; [L38] float var_1_24 = -0.5; [L39] float var_1_25 = 255.8; [L40] float var_1_26 = 31.2; [L41] float var_1_27 = 0.5; [L42] unsigned char var_1_28 = 32; [L43] unsigned char var_1_29 = 64; [L44] unsigned short int var_1_30 = 16; [L45] double var_1_31 = 255.9; [L46] unsigned short int var_1_33 = 39141; [L47] unsigned short int var_1_34 = 52589; [L48] signed long int last_1_var_1_1 = -100; [L49] unsigned char last_1_var_1_7 = 16; [L50] unsigned short int last_1_var_1_17 = 256; [L51] signed short int last_1_var_1_19 = -100; [L52] signed short int last_1_var_1_20 = 32; [L53] signed short int last_1_var_1_23 = -256; [L54] unsigned char last_1_var_1_28 = 32; VAL [isInitial=0, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=200, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L197] isInitial = 1 [L198] FCALL initially() [L199] int k_loop; [L200] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=200, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L200] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=200, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L201] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_7 = var_1_7 [L186] last_1_var_1_17 = var_1_17 [L187] last_1_var_1_19 = var_1_19 [L188] last_1_var_1_20 = var_1_20 [L189] last_1_var_1_23 = var_1_23 [L190] last_1_var_1_28 = var_1_28 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=200, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L201] RET updateLastVariables() [L202] CALL updateVariables() [L143] var_1_2 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L144] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L145] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L146] var_1_3 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_3 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=8, var_1_7=16, var_1_9=0] [L147] RET assume_abort_if_not(var_1_3 >= 63) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=8, var_1_7=16, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=8, var_1_7=16, var_1_9=0] [L148] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=8, var_1_7=16, var_1_9=0] [L149] var_1_4 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_7=16, var_1_9=0] [L150] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_7=16, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L151] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L152] var_1_12 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L153] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L154] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L154] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L155] var_1_13 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L156] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L157] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L157] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L158] var_1_15 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L159] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L160] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L160] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L161] var_1_16 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L162] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L163] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L163] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L164] var_1_25 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L165] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L166] var_1_26 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L167] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L168] var_1_27 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_27 >= -461168.6018427382800e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 4611686.018427382800e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L169] RET assume_abort_if_not((var_1_27 >= -461168.6018427382800e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 4611686.018427382800e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=64, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L170] var_1_29 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_29 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L171] RET assume_abort_if_not(var_1_29 >= 64) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L172] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L172] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L173] var_1_31 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_31 >= -922337.2036854776000e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L174] RET assume_abort_if_not((var_1_31 >= -922337.2036854776000e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L175] CALL assume_abort_if_not(var_1_31 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L175] RET assume_abort_if_not(var_1_31 != 0.0F) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=39141, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L176] var_1_33 = __VERIFIER_nondet_ushort() [L177] CALL assume_abort_if_not(var_1_33 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L177] RET assume_abort_if_not(var_1_33 >= 32767) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L178] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L178] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=52589, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L179] var_1_34 = __VERIFIER_nondet_ushort() [L180] CALL assume_abort_if_not(var_1_34 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L180] RET assume_abort_if_not(var_1_34 >= 32767) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L181] CALL assume_abort_if_not(var_1_34 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L181] RET assume_abort_if_not(var_1_34 <= 65534) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L202] RET updateVariables() [L203] CALL step() [L58] COND FALSE !((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) [L67] var_1_1 = var_1_2 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L69] unsigned char stepLocal_1 = last_1_var_1_28 < (var_1_3 - var_1_4); [L70] signed long int stepLocal_0 = last_1_var_1_28; VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, stepLocal_1=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L71] COND TRUE stepLocal_1 || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_0=32, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=16, var_1_9=0] [L72] COND TRUE stepLocal_0 >= var_1_4 [L73] var_1_7 = 2 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L80] unsigned char stepLocal_3 = var_1_4; [L81] signed long int stepLocal_2 = last_1_var_1_17; VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_2=256, stepLocal_3=-1024, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L82] COND FALSE !(stepLocal_2 < ((((var_1_2) > (var_1_4)) ? (var_1_2) : (var_1_4)))) [L89] var_1_14 = var_1_15 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L91] var_1_24 = (var_1_25 + ((((var_1_26) < (var_1_27)) ? (var_1_26) : (var_1_27)))) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=32, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L92] COND TRUE ! var_1_12 [L93] var_1_28 = ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_29) - var_1_4) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L97] COND FALSE !((var_1_24 / var_1_31) > var_1_24) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L100] var_1_19 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_28)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_28))) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L101] EXPR var_1_4 ^ var_1_1 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L101] COND FALSE !(var_1_1 != (var_1_4 ^ var_1_1)) [L110] unsigned char stepLocal_6 = var_1_9; VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, stepLocal_6=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L111] COND TRUE stepLocal_6 || (var_1_28 >= last_1_var_1_20) [L112] var_1_20 = (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) + var_1_4) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=-256, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L116] unsigned char stepLocal_8 = var_1_28 > var_1_7; VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, stepLocal_8=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=-256, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L117] COND TRUE stepLocal_8 || var_1_14 [L118] var_1_23 = (((((var_1_3 + (var_1_2 - var_1_28))) < (var_1_4)) ? ((var_1_3 + (var_1_2 - var_1_28))) : (var_1_4))) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L122] unsigned char stepLocal_7 = ((((var_1_23) > (var_1_19)) ? (var_1_23) : (var_1_19))) <= 0; VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, stepLocal_7=1, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L123] COND FALSE !(stepLocal_7 && var_1_13) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L128] signed short int stepLocal_5 = var_1_23; [L129] unsigned char stepLocal_4 = var_1_12; VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, stepLocal_4=0, stepLocal_5=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L130] COND FALSE !((var_1_28 / (2571661009u - var_1_2)) != stepLocal_5) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, stepLocal_4=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L135] COND TRUE \read(var_1_21) [L136] var_1_17 = var_1_7 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, stepLocal_3=-1024, stepLocal_4=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L203] RET step() [L204] CALL, EXPR property() [L193] EXPR ((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L193] EXPR var_1_4 ^ var_1_1 VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L193] EXPR ((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L193-L194] return (((((((((((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1)) && ((last_1_var_1_17 < ((((var_1_2) > (var_1_4)) ? (var_1_2) : (var_1_4)))) ? ((var_1_4 >= last_1_var_1_19) ? (var_1_14 == ((unsigned char) var_1_12)) : (var_1_14 == ((unsigned char) (var_1_15 && var_1_16)))) : (var_1_14 == ((unsigned char) var_1_15)))) && (((var_1_28 / (2571661009u - var_1_2)) != var_1_23) ? ((var_1_12 && var_1_21) ? (var_1_17 == ((unsigned short int) 2)) : 1) : (var_1_21 ? (var_1_17 == ((unsigned short int) var_1_7)) : (var_1_17 == ((unsigned short int) var_1_2))))) && (var_1_19 == ((signed short int) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_28)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_28)))))) && ((var_1_9 || (var_1_28 >= last_1_var_1_20)) ? (var_1_20 == ((signed short int) (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) + var_1_4))) : (var_1_20 == ((signed short int) (var_1_4 - (((((((last_1_var_1_20) > (var_1_3)) ? (last_1_var_1_20) : (var_1_3))) < 0 ) ? -((((last_1_var_1_20) > (var_1_3)) ? (last_1_var_1_20) : (var_1_3))) : ((((last_1_var_1_20) > (var_1_3)) ? (last_1_var_1_20) : (var_1_3)))))))))) && (((((((var_1_23) > (var_1_19)) ? (var_1_23) : (var_1_19))) <= 0) && var_1_13) ? (var_1_14 ? (var_1_21 == ((unsigned char) var_1_16)) : 1) : 1)) && (((var_1_28 > var_1_7) || var_1_14) ? (var_1_23 == ((signed short int) (((((var_1_3 + (var_1_2 - var_1_28))) < (var_1_4)) ? ((var_1_3 + (var_1_2 - var_1_28))) : (var_1_4))))) : (var_1_23 == ((signed short int) (var_1_2 - var_1_28))))) && (var_1_24 == ((float) (var_1_25 + ((((var_1_26) < (var_1_27)) ? (var_1_26) : (var_1_27))))))) && ((! var_1_12) ? (var_1_28 == ((unsigned char) ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_29) - var_1_4))) : (var_1_28 == ((unsigned char) ((((((((var_1_29) < (var_1_4)) ? (var_1_29) : (var_1_4)))) > (var_1_3)) ? (((((var_1_29) < (var_1_4)) ? (var_1_29) : (var_1_4)))) : (var_1_3))))))) && (((var_1_24 / var_1_31) > var_1_24) ? (var_1_30 == ((unsigned short int) (((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))) - var_1_4))) : 1) ; [L204] RET, EXPR property() [L204] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=2, var_1_19=0, var_1_1=127, var_1_20=127, var_1_21=1, var_1_23=0, var_1_28=237, var_1_29=-129, var_1_2=-385, var_1_30=16, var_1_33=32768, var_1_34=32767, var_1_3=-146, var_1_4=-1024, var_1_7=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 97 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.0s, OverallIterations: 12, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 28.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5936 SdHoareTripleChecker+Valid, 14.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5905 mSDsluCounter, 6542 SdHoareTripleChecker+Invalid, 12.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5075 mSDsCounter, 1109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5882 IncrementalHoareTripleChecker+Invalid, 6991 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1109 mSolverCounterUnsat, 1467 mSDtfsCounter, 5882 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1100 GetRequests, 872 SyntacticMatches, 1 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7207 ImplicationChecksByTransitivity, 17.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1527occurred in iteration=11, InterpolantAutomatonStates: 186, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 2781 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 25.4s InterpolantComputationTime, 2762 NumberOfCodeBlocks, 2762 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2572 ConstructedInterpolants, 0 QuantifiedInterpolants, 22859 SizeOfPredicates, 21 NumberOfNonLiveVariables, 1251 ConjunctsInSsa, 67 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 17316/18000 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 [2024-11-28 04:31:27,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e5900adef742c9bfa7a4740bfd6257cd40ef26644b367767fd6845fd72b79bbd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:31:29,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:31:29,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:31:29,747 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:31:29,748 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:31:29,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:31:29,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:31:29,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:31:29,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:31:29,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:31:29,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:31:29,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:31:29,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:31:29,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:31:29,776 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:31:29,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:31:29,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:31:29,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:31:29,777 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:31:29,777 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:31:29,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:31:29,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:31:29,777 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:31:29,777 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:31:29,778 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:31:29,778 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:31:29,778 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:31:29,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:31:29,778 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:31:29,778 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:31:29,778 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:31:29,778 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:31:29,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:31:29,778 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:31:29,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:31:29,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:31:29,779 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:31:29,779 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:31:29,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:31:29,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:31:29,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:31:29,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:31:29,779 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:31:29,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:31:29,779 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:31:29,779 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:31:29,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:31:29,780 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:31:29,780 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:31:29,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:31:29,780 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_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5900adef742c9bfa7a4740bfd6257cd40ef26644b367767fd6845fd72b79bbd [2024-11-28 04:31:30,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:31:30,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:31:30,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:31:30,158 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:31:30,159 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:31:30,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i [2024-11-28 04:31:33,099 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/data/8916ec56c/1d259c5acf77469ea542af12affd0e90/FLAG37de6720c [2024-11-28 04:31:33,418 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:31:33,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i [2024-11-28 04:31:33,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/data/8916ec56c/1d259c5acf77469ea542af12affd0e90/FLAG37de6720c [2024-11-28 04:31:33,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/data/8916ec56c/1d259c5acf77469ea542af12affd0e90 [2024-11-28 04:31:33,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:31:33,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:31:33,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:31:33,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:31:33,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:31:33,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:33,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b202b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33, skipping insertion in model container [2024-11-28 04:31:33,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:33,508 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:31:33,693 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_776e3bb9-117c-4a64-a3c9-9b67639489ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i[916,929] [2024-11-28 04:31:33,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:31:33,825 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:31:33,835 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_776e3bb9-117c-4a64-a3c9-9b67639489ce/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-53.i[916,929] [2024-11-28 04:31:33,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:31:33,898 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:31:33,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33 WrapperNode [2024-11-28 04:31:33,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:31:33,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:31:33,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:31:33,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:31:33,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:33,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:33,965 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2024-11-28 04:31:33,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:31:33,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:31:33,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:31:33,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:31:33,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:33,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:33,995 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:34,021 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]. [2024-11-28 04:31:34,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:34,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:34,046 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:34,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:34,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:34,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:34,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:34,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:31:34,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:31:34,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:31:34,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:31:34,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (1/1) ... [2024-11-28 04:31:34,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:31:34,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:34,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:34,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:31:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:31:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:31:34,149 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:31:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:31:34,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:31:34,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:31:34,273 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:31:34,276 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:31:47,721 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-28 04:31:47,721 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:31:47,730 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:31:47,731 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:31:47,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:31:47 BoogieIcfgContainer [2024-11-28 04:31:47,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:31:47,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:31:47,734 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:31:47,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:31:47,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:31:33" (1/3) ... [2024-11-28 04:31:47,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56248132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:31:47, skipping insertion in model container [2024-11-28 04:31:47,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:33" (2/3) ... [2024-11-28 04:31:47,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56248132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:31:47, skipping insertion in model container [2024-11-28 04:31:47,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:31:47" (3/3) ... [2024-11-28 04:31:47,742 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-53.i [2024-11-28 04:31:47,757 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:31:47,759 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-53.i that has 2 procedures, 86 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:31:47,828 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:31:47,845 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;@36cb9001, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:31:47,846 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:31:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 59 states have internal predecessors, (82), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 04:31:47,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 04:31:47,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:47,869 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:47,870 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:31:47,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:47,877 INFO L85 PathProgramCache]: Analyzing trace with hash 283584438, now seen corresponding path program 1 times [2024-11-28 04:31:47,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:31:47,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [569885427] [2024-11-28 04:31:47,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:47,896 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 [2024-11-28 04:31:47,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:31:47,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:31:47,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 04:31:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:49,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:31:49,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 772 trivial. 0 not checked. [2024-11-28 04:31:49,090 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:31:49,090 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:31:49,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [569885427] [2024-11-28 04:31:49,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [569885427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:49,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:49,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:31:49,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603551532] [2024-11-28 04:31:49,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:49,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:31:49,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:31:49,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:31:49,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:31:49,124 INFO L87 Difference]: Start difference. First operand has 86 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 59 states have internal predecessors, (82), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 04:31:49,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:49,152 INFO L93 Difference]: Finished difference Result 169 states and 286 transitions. [2024-11-28 04:31:49,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:31:49,154 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 168 [2024-11-28 04:31:49,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:49,161 INFO L225 Difference]: With dead ends: 169 [2024-11-28 04:31:49,161 INFO L226 Difference]: Without dead ends: 82 [2024-11-28 04:31:49,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:31:49,168 INFO L435 NwaCegarLoop]: 129 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, 129 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 [2024-11-28 04:31:49,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:31:49,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-28 04:31:49,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-28 04:31:49,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 55 states have internal predecessors, (75), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 04:31:49,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 125 transitions. [2024-11-28 04:31:49,209 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 125 transitions. Word has length 168 [2024-11-28 04:31:49,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:49,210 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 125 transitions. [2024-11-28 04:31:49,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 04:31:49,210 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 125 transitions. [2024-11-28 04:31:49,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 04:31:49,214 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:49,214 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:49,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 04:31:49,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:49,415 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:31:49,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:49,416 INFO L85 PathProgramCache]: Analyzing trace with hash 463042556, now seen corresponding path program 1 times [2024-11-28 04:31:49,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:31:49,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601890791] [2024-11-28 04:31:49,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:49,417 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 [2024-11-28 04:31:49,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:31:49,421 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:31:49,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 04:31:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:50,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:31:50,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 78 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-11-28 04:31:56,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:31:59,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-28 04:31:59,148 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:31:59,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [601890791] [2024-11-28 04:31:59,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [601890791] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:31:59,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:31:59,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2024-11-28 04:31:59,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813530695] [2024-11-28 04:31:59,149 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:31:59,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:31:59,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:31:59,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:31:59,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:31:59,153 INFO L87 Difference]: Start difference. First operand 82 states and 125 transitions. Second operand has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-28 04:32:08,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:12,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:16,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:20,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:24,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:28,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:32,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:36,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:38,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:32:45,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:32:45,980 INFO L93 Difference]: Finished difference Result 342 states and 503 transitions. [2024-11-28 04:32:45,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-28 04:32:45,981 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 168 [2024-11-28 04:32:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:32:45,989 INFO L225 Difference]: With dead ends: 342 [2024-11-28 04:32:45,990 INFO L226 Difference]: Without dead ends: 263 [2024-11-28 04:32:45,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 327 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=296, Invalid=760, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 04:32:45,995 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 216 mSDsluCounter, 607 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 108 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:32:45,999 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 756 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 662 Invalid, 8 Unknown, 0 Unchecked, 43.9s Time] [2024-11-28 04:32:46,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-28 04:32:46,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 103. [2024-11-28 04:32:46,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 74 states have internal predecessors, (98), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 04:32:46,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2024-11-28 04:32:46,051 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 168 [2024-11-28 04:32:46,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:32:46,051 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2024-11-28 04:32:46,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.75) internal successors, (81), 12 states have internal predecessors, (81), 3 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-28 04:32:46,052 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2024-11-28 04:32:46,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 04:32:46,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:32:46,057 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:46,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-28 04:32:46,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:32:46,259 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:32:46,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:46,260 INFO L85 PathProgramCache]: Analyzing trace with hash 856069566, now seen corresponding path program 1 times [2024-11-28 04:32:46,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:32:46,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419476784] [2024-11-28 04:32:46,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:46,261 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 [2024-11-28 04:32:46,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:32:46,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:32:46,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 04:32:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:47,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:32:47,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:32:50,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 514 proven. 51 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2024-11-28 04:32:50,277 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:32:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 21 proven. 51 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-28 04:32:53,211 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:32:53,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419476784] [2024-11-28 04:32:53,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419476784] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:32:53,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:32:53,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-28 04:32:53,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788090967] [2024-11-28 04:32:53,212 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:32:53,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:32:53,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:32:53,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:32:53,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:32:53,215 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-28 04:33:00,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:04,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:08,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:12,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:16,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:20,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:33:20,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:33:20,702 INFO L93 Difference]: Finished difference Result 212 states and 301 transitions. [2024-11-28 04:33:20,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:33:20,832 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 168 [2024-11-28 04:33:20,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:33:20,834 INFO L225 Difference]: With dead ends: 212 [2024-11-28 04:33:20,834 INFO L226 Difference]: Without dead ends: 112 [2024-11-28 04:33:20,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 327 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:33:20,836 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 91 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 17 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:33:20,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 303 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 187 Invalid, 6 Unknown, 0 Unchecked, 27.0s Time] [2024-11-28 04:33:20,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-28 04:33:20,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 107. [2024-11-28 04:33:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 77 states have (on average 1.2727272727272727) internal successors, (98), 77 states have internal predecessors, (98), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-28 04:33:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 148 transitions. [2024-11-28 04:33:20,867 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 148 transitions. Word has length 168 [2024-11-28 04:33:20,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:33:20,867 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 148 transitions. [2024-11-28 04:33:20,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2024-11-28 04:33:20,868 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 148 transitions. [2024-11-28 04:33:20,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-28 04:33:20,874 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:33:20,874 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:20,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:33:21,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:33:21,075 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:33:21,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:21,076 INFO L85 PathProgramCache]: Analyzing trace with hash 857916608, now seen corresponding path program 1 times [2024-11-28 04:33:21,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:33:21,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1628471111] [2024-11-28 04:33:21,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:21,077 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 [2024-11-28 04:33:21,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:33:21,080 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:33:21,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 04:33:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:22,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-28 04:33:22,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:37,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 332 proven. 177 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2024-11-28 04:33:37,859 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:33:39,234 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:33:39,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1628471111] [2024-11-28 04:33:39,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1628471111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:33:39,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2095787518] [2024-11-28 04:33:39,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:39,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:33:39,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:33:39,240 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:33:39,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-28 04:33:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:42,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-28 04:33:42,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:33:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 332 proven. 177 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2024-11-28 04:33:56,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:34:01,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2095787518] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:34:01,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:34:01,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 18 [2024-11-28 04:34:01,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30623196] [2024-11-28 04:34:01,266 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:34:01,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 04:34:01,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:34:01,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 04:34:01,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=514, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:34:01,267 INFO L87 Difference]: Start difference. First operand 107 states and 148 transitions. Second operand has 19 states, 19 states have (on average 4.0) internal successors, (76), 17 states have internal predecessors, (76), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-28 04:34:20,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:34:24,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:34:28,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:34:32,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:34:36,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:34:40,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:34:44,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:34:48,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:34:52,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:34:56,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:00,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:04,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:08,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:12,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:16,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:20,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:24,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:28,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:32,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:36,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:40,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:44,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:50,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:35:58,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:36:03,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:36:07,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:36:10,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:36:22,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:36:26,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:36:30,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:36:34,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:36:38,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:36:42,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:36:42,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:42,666 INFO L93 Difference]: Finished difference Result 486 states and 659 transitions. [2024-11-28 04:36:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-28 04:36:42,796 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.0) internal successors, (76), 17 states have internal predecessors, (76), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 168 [2024-11-28 04:36:42,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:42,799 INFO L225 Difference]: With dead ends: 486 [2024-11-28 04:36:42,799 INFO L226 Difference]: Without dead ends: 382 [2024-11-28 04:36:42,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 465 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=509, Invalid=1843, Unknown=0, NotChecked=0, Total=2352 [2024-11-28 04:36:42,802 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 414 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 124 mSolverCounterUnsat, 32 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 153.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 32 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 155.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:42,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 944 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 736 Invalid, 32 Unknown, 0 Unchecked, 155.2s Time] [2024-11-28 04:36:42,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-28 04:36:42,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 232. [2024-11-28 04:36:42,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 165 states have (on average 1.2303030303030302) internal successors, (203), 166 states have internal predecessors, (203), 54 states have call successors, (54), 12 states have call predecessors, (54), 12 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-28 04:36:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 311 transitions. [2024-11-28 04:36:42,845 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 311 transitions. Word has length 168 [2024-11-28 04:36:42,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:42,845 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 311 transitions. [2024-11-28 04:36:42,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.0) internal successors, (76), 17 states have internal predecessors, (76), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-28 04:36:42,846 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 311 transitions. [2024-11-28 04:36:42,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 04:36:42,848 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:42,849 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:42,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-28 04:36:43,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:36:43,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:36:43,250 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:43,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:43,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1937435267, now seen corresponding path program 1 times [2024-11-28 04:36:43,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:36:43,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1837493087] [2024-11-28 04:36:43,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:43,251 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 [2024-11-28 04:36:43,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:36:43,253 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:36:43,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 04:36:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:44,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-28 04:36:44,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:37:28,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 655 proven. 252 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-11-28 04:37:28,914 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:38:00,767 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:38:00,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1837493087] [2024-11-28 04:38:00,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1837493087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:38:00,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2083677607] [2024-11-28 04:38:00,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:38:00,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:38:00,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:38:00,770 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:38:00,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776e3bb9-117c-4a64-a3c9-9b67639489ce/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-28 04:38:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:38:03,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-11-28 04:38:03,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:41:22,479 WARN L286 SmtUtils]: Spent 16.18s on a formula simplification that was a NOOP. DAG size: 115 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:42:00,976 WARN L286 SmtUtils]: Spent 14.75s on a formula simplification that was a NOOP. DAG size: 121 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 04:42:09,323 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:42:17,609 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:42:25,886 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:42:34,154 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:42:42,458 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:42:50,761 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:42:59,068 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:43:07,413 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:43:15,704 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:43:23,990 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:43:32,276 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:43:40,570 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:43:48,865 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:43:57,138 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:44:05,425 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:44:13,725 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:44:22,018 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:44:30,329 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:44:38,599 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:44:46,896 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:44:55,171 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:45:03,461 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)