./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.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_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e47d94c12124cf4b862c2f881009fef36c28832c985456c790d3472927c1d0c5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:57:26,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:57:27,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:57:27,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:57:27,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:57:27,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:57:27,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:57:27,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:57:27,073 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:57:27,074 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:57:27,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:57:27,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:57:27,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:57:27,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:57:27,075 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:57:27,075 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:57:27,075 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:57:27,075 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:57:27,075 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:57:27,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:57:27,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:57:27,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:57:27,076 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:57:27,076 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:57:27,076 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:57:27,076 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:57:27,076 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:57:27,076 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:57:27,076 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:57:27,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:57:27,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:57:27,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:57:27,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:57:27,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:57:27,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:57:27,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:57:27,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:57:27,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:57:27,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:57:27,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:57:27,078 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:57:27,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:57:27,078 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:57:27,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:57:27,078 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:57:27,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:57:27,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:57:27,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:57:27,079 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_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e47d94c12124cf4b862c2f881009fef36c28832c985456c790d3472927c1d0c5 [2024-12-02 12:57:27,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:57:27,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:57:27,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:57:27,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:57:27,349 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:57:27,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2024-12-02 12:57:30,788 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/data/6ec8118a2/fbbb370e010a454d856108c306235482/FLAG1fb325649 [2024-12-02 12:57:31,042 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:57:31,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2024-12-02 12:57:31,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/data/6ec8118a2/fbbb370e010a454d856108c306235482/FLAG1fb325649 [2024-12-02 12:57:31,073 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/data/6ec8118a2/fbbb370e010a454d856108c306235482 [2024-12-02 12:57:31,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:57:31,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:57:31,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:57:31,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:57:31,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:57:31,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd5d6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31, skipping insertion in model container [2024-12-02 12:57:31,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:57:31,286 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_06f0b90a-b6e8-4604-a3fc-dba002f08560/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i[919,932] [2024-12-02 12:57:31,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:57:31,375 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:57:31,388 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_06f0b90a-b6e8-4604-a3fc-dba002f08560/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i[919,932] [2024-12-02 12:57:31,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:57:31,447 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:57:31,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31 WrapperNode [2024-12-02 12:57:31,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:57:31,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:57:31,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:57:31,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:57:31,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,504 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2024-12-02 12:57:31,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:57:31,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:57:31,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:57:31,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:57:31,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,521 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,540 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 12:57:31,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,550 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:57:31,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:57:31,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:57:31,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:57:31,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (1/1) ... [2024-12-02 12:57:31,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:57:31,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:57:31,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:57:31,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:57:31,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:57:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:57:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:57:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:57:31,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:57:31,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:57:31,730 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:57:31,732 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:57:32,099 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 12:57:32,099 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:57:32,111 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:57:32,111 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 12:57:32,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:57:32 BoogieIcfgContainer [2024-12-02 12:57:32,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:57:32,114 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:57:32,114 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:57:32,119 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:57:32,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:57:31" (1/3) ... [2024-12-02 12:57:32,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f06bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:57:32, skipping insertion in model container [2024-12-02 12:57:32,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:57:31" (2/3) ... [2024-12-02 12:57:32,120 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f06bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:57:32, skipping insertion in model container [2024-12-02 12:57:32,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:57:32" (3/3) ... [2024-12-02 12:57:32,122 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2024-12-02 12:57:32,136 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:57:32,138 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i that has 2 procedures, 84 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:57:32,196 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:57:32,210 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;@53c5f20b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:57:32,210 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:57:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 12:57:32,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 12:57:32,227 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:32,228 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:32,228 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:57:32,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:32,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1238318862, now seen corresponding path program 1 times [2024-12-02 12:57:32,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:32,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545070282] [2024-12-02 12:57:32,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:32,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-12-02 12:57:32,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:32,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545070282] [2024-12-02 12:57:32,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545070282] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:57:32,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974913404] [2024-12-02 12:57:32,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:32,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:57:32,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:57:32,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:57:32,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:57:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:32,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:57:32,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:57:32,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-12-02 12:57:32,825 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:57:32,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974913404] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:32,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:57:32,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:57:32,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051343058] [2024-12-02 12:57:32,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:32,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:57:32,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:32,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:57:32,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:57:32,859 INFO L87 Difference]: Start difference. First operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 12:57:32,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:32,894 INFO L93 Difference]: Finished difference Result 161 states and 284 transitions. [2024-12-02 12:57:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:57:32,897 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2024-12-02 12:57:32,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:32,904 INFO L225 Difference]: With dead ends: 161 [2024-12-02 12:57:32,904 INFO L226 Difference]: Without dead ends: 80 [2024-12-02 12:57:32,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:57:32,912 INFO L435 NwaCegarLoop]: 126 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, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:57:32,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:57:32,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-12-02 12:57:32,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-12-02 12:57:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 12:57:32,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2024-12-02 12:57:32,960 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 160 [2024-12-02 12:57:32,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:32,960 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2024-12-02 12:57:32,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 12:57:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2024-12-02 12:57:32,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 12:57:32,964 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:32,965 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:32,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:57:33,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 12:57:33,166 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:57:33,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:33,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1644456530, now seen corresponding path program 1 times [2024-12-02 12:57:33,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:33,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908055831] [2024-12-02 12:57:33,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:33,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:57:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 12:57:48,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:57:48,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908055831] [2024-12-02 12:57:48,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908055831] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:57:48,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:57:48,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-12-02 12:57:48,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345426163] [2024-12-02 12:57:48,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:57:48,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 12:57:48,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:57:48,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 12:57:48,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-12-02 12:57:48,263 INFO L87 Difference]: Start difference. First operand 80 states and 126 transitions. Second operand has 21 states, 21 states have (on average 2.0476190476190474) internal successors, (43), 21 states have internal predecessors, (43), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-12-02 12:57:54,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:57:54,492 INFO L93 Difference]: Finished difference Result 397 states and 607 transitions. [2024-12-02 12:57:54,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 12:57:54,492 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.0476190476190474) internal successors, (43), 21 states have internal predecessors, (43), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 160 [2024-12-02 12:57:54,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:57:54,495 INFO L225 Difference]: With dead ends: 397 [2024-12-02 12:57:54,495 INFO L226 Difference]: Without dead ends: 320 [2024-12-02 12:57:54,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=451, Invalid=1189, Unknown=0, NotChecked=0, Total=1640 [2024-12-02 12:57:54,498 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 2036 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2036 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:57:54,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2036 Valid, 466 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 12:57:54,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-12-02 12:57:54,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 180. [2024-12-02 12:57:54,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 149 states have (on average 1.4899328859060403) internal successors, (222), 150 states have internal predecessors, (222), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 12:57:54,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 274 transitions. [2024-12-02 12:57:54,526 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 274 transitions. Word has length 160 [2024-12-02 12:57:54,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:57:54,526 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 274 transitions. [2024-12-02 12:57:54,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.0476190476190474) internal successors, (43), 21 states have internal predecessors, (43), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-12-02 12:57:54,527 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 274 transitions. [2024-12-02 12:57:54,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 12:57:54,529 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:57:54,529 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:57:54,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:57:54,530 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:57:54,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:57:54,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1386291092, now seen corresponding path program 1 times [2024-12-02 12:57:54,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:57:54,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872451988] [2024-12-02 12:57:54,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:57:54,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:57:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:58:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 12:58:27,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:58:27,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872451988] [2024-12-02 12:58:27,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872451988] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:58:27,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:58:27,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 12:58:27,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076828336] [2024-12-02 12:58:27,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:58:27,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 12:58:27,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:58:27,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 12:58:27,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-12-02 12:58:27,272 INFO L87 Difference]: Start difference. First operand 180 states and 274 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 12:58:29,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:58:29,274 INFO L93 Difference]: Finished difference Result 282 states and 411 transitions. [2024-12-02 12:58:29,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 12:58:29,275 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-12-02 12:58:29,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:58:29,277 INFO L225 Difference]: With dead ends: 282 [2024-12-02 12:58:29,278 INFO L226 Difference]: Without dead ends: 280 [2024-12-02 12:58:29,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-12-02 12:58:29,279 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 304 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:58:29,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 726 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 12:58:29,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-12-02 12:58:29,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 182. [2024-12-02 12:58:29,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 151 states have (on average 1.4966887417218544) internal successors, (226), 152 states have internal predecessors, (226), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 12:58:29,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 278 transitions. [2024-12-02 12:58:29,296 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 278 transitions. Word has length 160 [2024-12-02 12:58:29,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:58:29,297 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 278 transitions. [2024-12-02 12:58:29,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 12:58:29,297 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 278 transitions. [2024-12-02 12:58:29,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 12:58:29,299 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:58:29,299 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:58:29,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:58:29,299 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:58:29,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:58:29,300 INFO L85 PathProgramCache]: Analyzing trace with hash -623388176, now seen corresponding path program 1 times [2024-12-02 12:58:29,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:58:29,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376994602] [2024-12-02 12:58:29,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:58:29,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:58:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:58:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 12:58:34,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:58:34,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376994602] [2024-12-02 12:58:34,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376994602] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:58:34,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:58:34,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 12:58:34,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939238410] [2024-12-02 12:58:34,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:58:34,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 12:58:34,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:58:34,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 12:58:34,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-12-02 12:58:34,044 INFO L87 Difference]: Start difference. First operand 182 states and 278 transitions. Second operand has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 12:58:38,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:58:38,028 INFO L93 Difference]: Finished difference Result 495 states and 740 transitions. [2024-12-02 12:58:38,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 12:58:38,029 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 160 [2024-12-02 12:58:38,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:58:38,031 INFO L225 Difference]: With dead ends: 495 [2024-12-02 12:58:38,031 INFO L226 Difference]: Without dead ends: 316 [2024-12-02 12:58:38,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=262, Invalid=730, Unknown=0, NotChecked=0, Total=992 [2024-12-02 12:58:38,032 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 1050 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:58:38,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 476 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-12-02 12:58:38,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-12-02 12:58:38,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 198. [2024-12-02 12:58:38,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 167 states have (on average 1.4970059880239521) internal successors, (250), 168 states have internal predecessors, (250), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 12:58:38,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 302 transitions. [2024-12-02 12:58:38,058 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 302 transitions. Word has length 160 [2024-12-02 12:58:38,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:58:38,059 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 302 transitions. [2024-12-02 12:58:38,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 18 states have internal predecessors, (43), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 12:58:38,059 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 302 transitions. [2024-12-02 12:58:38,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 12:58:38,061 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:58:38,061 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:58:38,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:58:38,061 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:58:38,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:58:38,062 INFO L85 PathProgramCache]: Analyzing trace with hash -365222738, now seen corresponding path program 1 times [2024-12-02 12:58:38,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:58:38,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83778898] [2024-12-02 12:58:38,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:58:38,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:58:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:58:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 12:58:43,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:58:43,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83778898] [2024-12-02 12:58:43,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83778898] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:58:43,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:58:43,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 12:58:43,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176805960] [2024-12-02 12:58:43,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:58:43,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 12:58:43,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:58:43,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 12:58:43,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-12-02 12:58:43,486 INFO L87 Difference]: Start difference. First operand 198 states and 302 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 12:58:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:58:46,948 INFO L93 Difference]: Finished difference Result 316 states and 461 transitions. [2024-12-02 12:58:46,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 12:58:46,949 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-12-02 12:58:46,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:58:46,951 INFO L225 Difference]: With dead ends: 316 [2024-12-02 12:58:46,951 INFO L226 Difference]: Without dead ends: 314 [2024-12-02 12:58:46,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-12-02 12:58:46,952 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 399 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:58:46,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 735 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-12-02 12:58:46,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-12-02 12:58:46,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 196. [2024-12-02 12:58:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 165 states have (on average 1.503030303030303) internal successors, (248), 166 states have internal predecessors, (248), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-12-02 12:58:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 300 transitions. [2024-12-02 12:58:46,976 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 300 transitions. Word has length 160 [2024-12-02 12:58:46,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:58:46,977 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 300 transitions. [2024-12-02 12:58:46,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 12:58:46,977 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 300 transitions. [2024-12-02 12:58:46,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 12:58:46,980 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:58:46,980 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:58:46,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:58:46,980 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:58:46,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:58:46,981 INFO L85 PathProgramCache]: Analyzing trace with hash 961567024, now seen corresponding path program 1 times [2024-12-02 12:58:46,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:58:46,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508011188] [2024-12-02 12:58:46,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:58:46,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:58:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:58:47,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 12:58:47,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:58:47,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508011188] [2024-12-02 12:58:47,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508011188] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:58:47,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:58:47,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:58:47,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670758567] [2024-12-02 12:58:47,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:58:47,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:58:47,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:58:47,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:58:47,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:58:47,032 INFO L87 Difference]: Start difference. First operand 196 states and 300 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 12:58:47,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:58:47,110 INFO L93 Difference]: Finished difference Result 508 states and 779 transitions. [2024-12-02 12:58:47,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:58:47,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-12-02 12:58:47,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:58:47,115 INFO L225 Difference]: With dead ends: 508 [2024-12-02 12:58:47,115 INFO L226 Difference]: Without dead ends: 315 [2024-12-02 12:58:47,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:58:47,116 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 109 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:58:47,116 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 330 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:58:47,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-12-02 12:58:47,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 313. [2024-12-02 12:58:47,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 252 states have (on average 1.4404761904761905) internal successors, (363), 254 states have internal predecessors, (363), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 50 states have call predecessors, (52), 52 states have call successors, (52) [2024-12-02 12:58:47,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 467 transitions. [2024-12-02 12:58:47,155 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 467 transitions. Word has length 160 [2024-12-02 12:58:47,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:58:47,156 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 467 transitions. [2024-12-02 12:58:47,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 12:58:47,156 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 467 transitions. [2024-12-02 12:58:47,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 12:58:47,158 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:58:47,158 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:58:47,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:58:47,158 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:58:47,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:58:47,159 INFO L85 PathProgramCache]: Analyzing trace with hash -318296654, now seen corresponding path program 1 times [2024-12-02 12:58:47,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:58:47,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435827773] [2024-12-02 12:58:47,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:58:47,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:58:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:58:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 12:58:55,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:58:55,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435827773] [2024-12-02 12:58:55,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435827773] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:58:55,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:58:55,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 12:58:55,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387270337] [2024-12-02 12:58:55,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:58:55,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 12:58:55,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:58:55,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 12:58:55,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-12-02 12:58:55,065 INFO L87 Difference]: Start difference. First operand 313 states and 467 transitions. Second operand has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-12-02 12:58:59,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:58:59,239 INFO L93 Difference]: Finished difference Result 941 states and 1371 transitions. [2024-12-02 12:58:59,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 12:58:59,240 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 160 [2024-12-02 12:58:59,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:58:59,244 INFO L225 Difference]: With dead ends: 941 [2024-12-02 12:58:59,244 INFO L226 Difference]: Without dead ends: 631 [2024-12-02 12:58:59,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2024-12-02 12:58:59,246 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 819 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 12:58:59,246 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 895 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 12:58:59,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-12-02 12:58:59,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 515. [2024-12-02 12:58:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 397 states have (on average 1.4005037783375316) internal successors, (556), 400 states have internal predecessors, (556), 102 states have call successors, (102), 15 states have call predecessors, (102), 15 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 12:58:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 760 transitions. [2024-12-02 12:58:59,315 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 760 transitions. Word has length 160 [2024-12-02 12:58:59,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:58:59,316 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 760 transitions. [2024-12-02 12:58:59,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0714285714285716) internal successors, (43), 14 states have internal predecessors, (43), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2024-12-02 12:58:59,316 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 760 transitions. [2024-12-02 12:58:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 12:58:59,318 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:58:59,318 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:58:59,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:58:59,318 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:58:59,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:58:59,319 INFO L85 PathProgramCache]: Analyzing trace with hash 702771700, now seen corresponding path program 1 times [2024-12-02 12:58:59,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:58:59,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049286560] [2024-12-02 12:58:59,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:58:59,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:58:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:58:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 12:58:59,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:58:59,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049286560] [2024-12-02 12:58:59,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049286560] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:58:59,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:58:59,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:58:59,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286052477] [2024-12-02 12:58:59,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:58:59,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:58:59,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:58:59,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:58:59,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:58:59,414 INFO L87 Difference]: Start difference. First operand 515 states and 760 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 12:58:59,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:58:59,778 INFO L93 Difference]: Finished difference Result 1043 states and 1527 transitions. [2024-12-02 12:58:59,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:58:59,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 160 [2024-12-02 12:58:59,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:58:59,784 INFO L225 Difference]: With dead ends: 1043 [2024-12-02 12:58:59,784 INFO L226 Difference]: Without dead ends: 589 [2024-12-02 12:58:59,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:58:59,786 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 109 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:58:59,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 443 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:58:59,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-12-02 12:58:59,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 521. [2024-12-02 12:58:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 402 states have (on average 1.3955223880597014) internal successors, (561), 405 states have internal predecessors, (561), 102 states have call successors, (102), 16 states have call predecessors, (102), 16 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 12:58:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 765 transitions. [2024-12-02 12:58:59,852 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 765 transitions. Word has length 160 [2024-12-02 12:58:59,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:58:59,852 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 765 transitions. [2024-12-02 12:58:59,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 12:58:59,852 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 765 transitions. [2024-12-02 12:58:59,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 12:58:59,853 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:58:59,854 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:58:59,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:58:59,854 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:58:59,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:58:59,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1832862316, now seen corresponding path program 1 times [2024-12-02 12:58:59,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:58:59,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046480416] [2024-12-02 12:58:59,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:58:59,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:58:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 12:59:00,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:00,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046480416] [2024-12-02 12:59:00,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046480416] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:59:00,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:59:00,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:59:00,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004224983] [2024-12-02 12:59:00,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:59:00,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:59:00,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:00,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:59:00,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:59:00,134 INFO L87 Difference]: Start difference. First operand 521 states and 765 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 12:59:00,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:00,551 INFO L93 Difference]: Finished difference Result 1029 states and 1489 transitions. [2024-12-02 12:59:00,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:59:00,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2024-12-02 12:59:00,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:00,556 INFO L225 Difference]: With dead ends: 1029 [2024-12-02 12:59:00,556 INFO L226 Difference]: Without dead ends: 572 [2024-12-02 12:59:00,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:59:00,558 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 202 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:59:00,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 230 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:59:00,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-12-02 12:59:00,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 492. [2024-12-02 12:59:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 373 states have (on average 1.3646112600536193) internal successors, (509), 376 states have internal predecessors, (509), 102 states have call successors, (102), 16 states have call predecessors, (102), 16 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-12-02 12:59:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 713 transitions. [2024-12-02 12:59:00,665 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 713 transitions. Word has length 160 [2024-12-02 12:59:00,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:00,666 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 713 transitions. [2024-12-02 12:59:00,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 12:59:00,666 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 713 transitions. [2024-12-02 12:59:00,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 12:59:00,667 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:00,667 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:59:00,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:59:00,668 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:00,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:00,668 INFO L85 PathProgramCache]: Analyzing trace with hash -358077958, now seen corresponding path program 1 times [2024-12-02 12:59:00,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:00,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793406349] [2024-12-02 12:59:00,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:00,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:06,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 36 proven. 96 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2024-12-02 12:59:06,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:06,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793406349] [2024-12-02 12:59:06,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793406349] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:59:06,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415280043] [2024-12-02 12:59:06,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:06,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:59:06,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:59:06,962 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:59:06,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:59:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:07,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-02 12:59:07,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:59:09,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 581 proven. 225 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-12-02 12:59:09,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:59:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 60 proven. 255 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-12-02 12:59:14,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415280043] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:59:14,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:59:14,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 22, 22] total 52 [2024-12-02 12:59:14,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934193152] [2024-12-02 12:59:14,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:59:14,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-12-02 12:59:14,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:14,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-12-02 12:59:14,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=2159, Unknown=0, NotChecked=0, Total=2652 [2024-12-02 12:59:14,228 INFO L87 Difference]: Start difference. First operand 492 states and 713 transitions. Second operand has 52 states, 48 states have (on average 2.9375) internal successors, (141), 44 states have internal predecessors, (141), 17 states have call successors, (67), 7 states have call predecessors, (67), 14 states have return successors, (68), 18 states have call predecessors, (68), 17 states have call successors, (68) [2024-12-02 12:59:32,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:59:32,282 INFO L93 Difference]: Finished difference Result 2281 states and 3083 transitions. [2024-12-02 12:59:32,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-12-02 12:59:32,283 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 48 states have (on average 2.9375) internal successors, (141), 44 states have internal predecessors, (141), 17 states have call successors, (67), 7 states have call predecessors, (67), 14 states have return successors, (68), 18 states have call predecessors, (68), 17 states have call successors, (68) Word has length 161 [2024-12-02 12:59:32,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:59:32,293 INFO L225 Difference]: With dead ends: 2281 [2024-12-02 12:59:32,293 INFO L226 Difference]: Without dead ends: 1851 [2024-12-02 12:59:32,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7876 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=5479, Invalid=20927, Unknown=0, NotChecked=0, Total=26406 [2024-12-02 12:59:32,302 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 2554 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 2786 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2556 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 3199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 2786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:59:32,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 1340 Invalid, 3199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 2786 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-12-02 12:59:32,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2024-12-02 12:59:32,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1012. [2024-12-02 12:59:32,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 777 states have (on average 1.3281853281853282) internal successors, (1032), 782 states have internal predecessors, (1032), 178 states have call successors, (178), 56 states have call predecessors, (178), 56 states have return successors, (178), 173 states have call predecessors, (178), 178 states have call successors, (178) [2024-12-02 12:59:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1388 transitions. [2024-12-02 12:59:32,545 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1388 transitions. Word has length 161 [2024-12-02 12:59:32,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:59:32,545 INFO L471 AbstractCegarLoop]: Abstraction has 1012 states and 1388 transitions. [2024-12-02 12:59:32,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 48 states have (on average 2.9375) internal successors, (141), 44 states have internal predecessors, (141), 17 states have call successors, (67), 7 states have call predecessors, (67), 14 states have return successors, (68), 18 states have call predecessors, (68), 17 states have call successors, (68) [2024-12-02 12:59:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1388 transitions. [2024-12-02 12:59:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 12:59:32,548 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:59:32,548 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:59:32,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 12:59:32,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 12:59:32,749 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:59:32,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:59:32,749 INFO L85 PathProgramCache]: Analyzing trace with hash 662990396, now seen corresponding path program 1 times [2024-12-02 12:59:32,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:59:32,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622149946] [2024-12-02 12:59:32,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:32,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:59:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:35,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 36 proven. 96 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2024-12-02 12:59:35,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:59:35,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622149946] [2024-12-02 12:59:35,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622149946] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:59:35,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356900897] [2024-12-02 12:59:35,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:59:35,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:59:35,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:59:35,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:59:35,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:59:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:59:35,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 12:59:35,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:59:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 623 proven. 174 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-12-02 12:59:39,148 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:59:41,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 66 proven. 192 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2024-12-02 12:59:41,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356900897] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:59:41,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 12:59:41,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 46 [2024-12-02 12:59:41,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667899412] [2024-12-02 12:59:41,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 12:59:41,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-12-02 12:59:41,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:59:41,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-12-02 12:59:41,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1768, Unknown=0, NotChecked=0, Total=2070 [2024-12-02 12:59:41,677 INFO L87 Difference]: Start difference. First operand 1012 states and 1388 transitions. Second operand has 46 states, 45 states have (on average 3.022222222222222) internal successors, (136), 43 states have internal predecessors, (136), 14 states have call successors, (64), 6 states have call predecessors, (64), 12 states have return successors, (65), 14 states have call predecessors, (65), 14 states have call successors, (65) [2024-12-02 13:01:12,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-02 13:01:19,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:01:19,166 INFO L93 Difference]: Finished difference Result 8197 states and 10742 transitions. [2024-12-02 13:01:19,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-12-02 13:01:19,167 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.022222222222222) internal successors, (136), 43 states have internal predecessors, (136), 14 states have call successors, (64), 6 states have call predecessors, (64), 12 states have return successors, (65), 14 states have call predecessors, (65), 14 states have call successors, (65) Word has length 161 [2024-12-02 13:01:19,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:01:19,187 INFO L225 Difference]: With dead ends: 8197 [2024-12-02 13:01:19,187 INFO L226 Difference]: Without dead ends: 7259 [2024-12-02 13:01:19,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 294 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35180 ImplicationChecksByTransitivity, 83.7s TimeCoverageRelationStatistics Valid=13221, Invalid=74098, Unknown=1, NotChecked=0, Total=87320 [2024-12-02 13:01:19,200 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 4508 mSDsluCounter, 2690 mSDsCounter, 0 mSdLazyCounter, 5877 mSolverCounterSat, 1000 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4508 SdHoareTripleChecker+Valid, 2959 SdHoareTripleChecker+Invalid, 6877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1000 IncrementalHoareTripleChecker+Valid, 5877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:01:19,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4508 Valid, 2959 Invalid, 6877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1000 Valid, 5877 Invalid, 0 Unknown, 0 Unchecked, 14.9s Time] [2024-12-02 13:01:19,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7259 states. [2024-12-02 13:01:20,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7259 to 1914. [2024-12-02 13:01:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1914 states, 1487 states have (on average 1.3409549428379288) internal successors, (1994), 1492 states have internal predecessors, (1994), 322 states have call successors, (322), 104 states have call predecessors, (322), 104 states have return successors, (322), 317 states have call predecessors, (322), 322 states have call successors, (322) [2024-12-02 13:01:20,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2638 transitions. [2024-12-02 13:01:20,171 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2638 transitions. Word has length 161 [2024-12-02 13:01:20,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:01:20,171 INFO L471 AbstractCegarLoop]: Abstraction has 1914 states and 2638 transitions. [2024-12-02 13:01:20,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.022222222222222) internal successors, (136), 43 states have internal predecessors, (136), 14 states have call successors, (64), 6 states have call predecessors, (64), 12 states have return successors, (65), 14 states have call predecessors, (65), 14 states have call successors, (65) [2024-12-02 13:01:20,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2638 transitions. [2024-12-02 13:01:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 13:01:20,174 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:01:20,174 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:01:20,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 13:01:20,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:01:20,375 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:01:20,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:01:20,375 INFO L85 PathProgramCache]: Analyzing trace with hash 2002519925, now seen corresponding path program 1 times [2024-12-02 13:01:20,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:01:20,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976766309] [2024-12-02 13:01:20,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:01:20,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:01:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:01:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:01:25,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:01:25,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976766309] [2024-12-02 13:01:25,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976766309] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:01:25,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:01:25,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 13:01:25,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721439338] [2024-12-02 13:01:25,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:01:25,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:01:25,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:01:25,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:01:25,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:01:25,078 INFO L87 Difference]: Start difference. First operand 1914 states and 2638 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:01:28,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:01:28,361 INFO L93 Difference]: Finished difference Result 4133 states and 5612 transitions. [2024-12-02 13:01:28,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:01:28,362 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-12-02 13:01:28,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:01:28,373 INFO L225 Difference]: With dead ends: 4133 [2024-12-02 13:01:28,373 INFO L226 Difference]: Without dead ends: 4131 [2024-12-02 13:01:28,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:01:28,374 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 507 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:01:28,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 698 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 13:01:28,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4131 states. [2024-12-02 13:01:29,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4131 to 3666. [2024-12-02 13:01:29,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3666 states, 2845 states have (on average 1.3413005272407732) internal successors, (3816), 2855 states have internal predecessors, (3816), 620 states have call successors, (620), 200 states have call predecessors, (620), 200 states have return successors, (620), 610 states have call predecessors, (620), 620 states have call successors, (620) [2024-12-02 13:01:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 3666 states and 5056 transitions. [2024-12-02 13:01:29,582 INFO L78 Accepts]: Start accepts. Automaton has 3666 states and 5056 transitions. Word has length 161 [2024-12-02 13:01:29,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:01:29,582 INFO L471 AbstractCegarLoop]: Abstraction has 3666 states and 5056 transitions. [2024-12-02 13:01:29,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:01:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3666 states and 5056 transitions. [2024-12-02 13:01:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 13:01:29,585 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:01:29,585 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:01:29,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 13:01:29,585 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:01:29,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:01:29,586 INFO L85 PathProgramCache]: Analyzing trace with hash -2034281933, now seen corresponding path program 1 times [2024-12-02 13:01:29,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:01:29,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397865307] [2024-12-02 13:01:29,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:01:29,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:01:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:01:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:01:33,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:01:33,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397865307] [2024-12-02 13:01:33,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397865307] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:01:33,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:01:33,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 13:01:33,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878325873] [2024-12-02 13:01:33,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:01:33,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:01:33,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:01:33,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:01:33,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:01:33,884 INFO L87 Difference]: Start difference. First operand 3666 states and 5056 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:01:38,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:01:38,878 INFO L93 Difference]: Finished difference Result 4131 states and 5609 transitions. [2024-12-02 13:01:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:01:38,879 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2024-12-02 13:01:38,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:01:38,898 INFO L225 Difference]: With dead ends: 4131 [2024-12-02 13:01:38,898 INFO L226 Difference]: Without dead ends: 4129 [2024-12-02 13:01:38,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:01:38,900 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 387 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:01:38,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 805 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 13:01:38,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4129 states. [2024-12-02 13:01:40,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4129 to 3664. [2024-12-02 13:01:40,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3664 states, 2843 states have (on average 1.3411888849806541) internal successors, (3813), 2853 states have internal predecessors, (3813), 620 states have call successors, (620), 200 states have call predecessors, (620), 200 states have return successors, (620), 610 states have call predecessors, (620), 620 states have call successors, (620) [2024-12-02 13:01:40,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3664 states and 5053 transitions. [2024-12-02 13:01:40,191 INFO L78 Accepts]: Start accepts. Automaton has 3664 states and 5053 transitions. Word has length 161 [2024-12-02 13:01:40,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:01:40,192 INFO L471 AbstractCegarLoop]: Abstraction has 3664 states and 5053 transitions. [2024-12-02 13:01:40,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:01:40,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3664 states and 5053 transitions. [2024-12-02 13:01:40,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 13:01:40,194 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:01:40,194 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:01:40,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 13:01:40,194 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:01:40,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:01:40,194 INFO L85 PathProgramCache]: Analyzing trace with hash -83699224, now seen corresponding path program 1 times [2024-12-02 13:01:40,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:01:40,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82862252] [2024-12-02 13:01:40,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:01:40,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:01:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:01:42,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:01:42,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:01:42,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82862252] [2024-12-02 13:01:42,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82862252] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:01:42,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:01:42,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 13:01:42,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927949336] [2024-12-02 13:01:42,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:01:42,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 13:01:42,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:01:42,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 13:01:42,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-12-02 13:01:42,548 INFO L87 Difference]: Start difference. First operand 3664 states and 5053 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:01:45,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:01:45,828 INFO L93 Difference]: Finished difference Result 5771 states and 7951 transitions. [2024-12-02 13:01:45,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 13:01:45,829 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 161 [2024-12-02 13:01:45,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:01:45,840 INFO L225 Difference]: With dead ends: 5771 [2024-12-02 13:01:45,840 INFO L226 Difference]: Without dead ends: 3938 [2024-12-02 13:01:45,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:01:45,844 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 452 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:01:45,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 624 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:01:45,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2024-12-02 13:01:46,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 3605. [2024-12-02 13:01:46,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3605 states, 2788 states have (on average 1.338235294117647) internal successors, (3731), 2796 states have internal predecessors, (3731), 616 states have call successors, (616), 200 states have call predecessors, (616), 200 states have return successors, (616), 608 states have call predecessors, (616), 616 states have call successors, (616) [2024-12-02 13:01:46,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 3605 states and 4963 transitions. [2024-12-02 13:01:47,002 INFO L78 Accepts]: Start accepts. Automaton has 3605 states and 4963 transitions. Word has length 161 [2024-12-02 13:01:47,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:01:47,003 INFO L471 AbstractCegarLoop]: Abstraction has 3605 states and 4963 transitions. [2024-12-02 13:01:47,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:01:47,003 INFO L276 IsEmpty]: Start isEmpty. Operand 3605 states and 4963 transitions. [2024-12-02 13:01:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 13:01:47,005 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:01:47,006 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:01:47,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 13:01:47,006 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:01:47,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:01:47,006 INFO L85 PathProgramCache]: Analyzing trace with hash -670505238, now seen corresponding path program 1 times [2024-12-02 13:01:47,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:01:47,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408564349] [2024-12-02 13:01:47,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:01:47,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:01:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:01:48,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:01:48,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:01:48,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408564349] [2024-12-02 13:01:48,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408564349] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:01:48,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:01:48,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 13:01:48,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282548358] [2024-12-02 13:01:48,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:01:48,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 13:01:48,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:01:48,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 13:01:48,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:01:48,791 INFO L87 Difference]: Start difference. First operand 3605 states and 4963 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 13:01:52,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:01:52,070 INFO L93 Difference]: Finished difference Result 6676 states and 9122 transitions. [2024-12-02 13:01:52,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:01:52,071 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 161 [2024-12-02 13:01:52,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:01:52,085 INFO L225 Difference]: With dead ends: 6676 [2024-12-02 13:01:52,085 INFO L226 Difference]: Without dead ends: 4868 [2024-12-02 13:01:52,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:01:52,089 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 498 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 498 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 13:01:52,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [498 Valid, 735 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 13:01:52,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2024-12-02 13:01:53,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 4574. [2024-12-02 13:01:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4574 states, 3501 states have (on average 1.3193373321908026) internal successors, (4619), 3509 states have internal predecessors, (4619), 808 states have call successors, (808), 264 states have call predecessors, (808), 264 states have return successors, (808), 800 states have call predecessors, (808), 808 states have call successors, (808) [2024-12-02 13:01:53,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4574 states to 4574 states and 6235 transitions. [2024-12-02 13:01:53,591 INFO L78 Accepts]: Start accepts. Automaton has 4574 states and 6235 transitions. Word has length 161 [2024-12-02 13:01:53,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:01:53,592 INFO L471 AbstractCegarLoop]: Abstraction has 4574 states and 6235 transitions. [2024-12-02 13:01:53,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 13:01:53,592 INFO L276 IsEmpty]: Start isEmpty. Operand 4574 states and 6235 transitions. [2024-12-02 13:01:53,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 13:01:53,594 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:01:53,594 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:01:53,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 13:01:53,594 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:01:53,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:01:53,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1718303949, now seen corresponding path program 1 times [2024-12-02 13:01:53,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:01:53,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197622923] [2024-12-02 13:01:53,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:01:53,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:01:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:01:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:01:54,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:01:54,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197622923] [2024-12-02 13:01:54,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197622923] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:01:54,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:01:54,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 13:01:54,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39104386] [2024-12-02 13:01:54,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:01:54,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:01:54,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:01:54,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:01:54,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:01:54,562 INFO L87 Difference]: Start difference. First operand 4574 states and 6235 transitions. Second operand has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:01:59,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:01:59,928 INFO L93 Difference]: Finished difference Result 8886 states and 11838 transitions. [2024-12-02 13:01:59,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:01:59,929 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 161 [2024-12-02 13:01:59,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:01:59,947 INFO L225 Difference]: With dead ends: 8886 [2024-12-02 13:01:59,947 INFO L226 Difference]: Without dead ends: 7557 [2024-12-02 13:01:59,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:01:59,951 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 515 mSDsluCounter, 871 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:01:59,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 1054 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 13:01:59,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7557 states. [2024-12-02 13:02:01,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7557 to 4274. [2024-12-02 13:02:01,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4274 states, 3217 states have (on average 1.2990363692881566) internal successors, (4179), 3217 states have internal predecessors, (4179), 792 states have call successors, (792), 264 states have call predecessors, (792), 264 states have return successors, (792), 792 states have call predecessors, (792), 792 states have call successors, (792) [2024-12-02 13:02:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4274 states to 4274 states and 5763 transitions. [2024-12-02 13:02:01,504 INFO L78 Accepts]: Start accepts. Automaton has 4274 states and 5763 transitions. Word has length 161 [2024-12-02 13:02:01,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:02:01,505 INFO L471 AbstractCegarLoop]: Abstraction has 4274 states and 5763 transitions. [2024-12-02 13:02:01,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.6666666666666665) internal successors, (44), 12 states have internal predecessors, (44), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:02:01,505 INFO L276 IsEmpty]: Start isEmpty. Operand 4274 states and 5763 transitions. [2024-12-02 13:02:01,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:02:01,506 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:02:01,506 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:02:01,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 13:02:01,506 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:02:01,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:02:01,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1316919648, now seen corresponding path program 1 times [2024-12-02 13:02:01,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:02:01,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736777372] [2024-12-02 13:02:01,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:02:01,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:02:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:02:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 13:02:01,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:02:01,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736777372] [2024-12-02 13:02:01,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736777372] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:02:01,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842610134] [2024-12-02 13:02:01,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:02:01,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:02:01,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:02:01,685 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:02:01,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 13:02:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:02:01,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 13:02:01,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:02:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 12 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-12-02 13:02:02,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:02:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 13:02:02,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842610134] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:02:02,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:02:02,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-12-02 13:02:02,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388401895] [2024-12-02 13:02:02,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:02:02,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 13:02:02,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:02:02,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 13:02:02,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:02:02,287 INFO L87 Difference]: Start difference. First operand 4274 states and 5763 transitions. Second operand has 19 states, 19 states have (on average 5.842105263157895) internal successors, (111), 19 states have internal predecessors, (111), 6 states have call successors, (68), 3 states have call predecessors, (68), 6 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) [2024-12-02 13:02:10,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:02:10,447 INFO L93 Difference]: Finished difference Result 18456 states and 23661 transitions. [2024-12-02 13:02:10,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-12-02 13:02:10,447 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.842105263157895) internal successors, (111), 19 states have internal predecessors, (111), 6 states have call successors, (68), 3 states have call predecessors, (68), 6 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) Word has length 162 [2024-12-02 13:02:10,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:02:10,490 INFO L225 Difference]: With dead ends: 18456 [2024-12-02 13:02:10,490 INFO L226 Difference]: Without dead ends: 14263 [2024-12-02 13:02:10,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=677, Invalid=1579, Unknown=0, NotChecked=0, Total=2256 [2024-12-02 13:02:10,499 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 460 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 13:02:10,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 499 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 13:02:10,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14263 states. [2024-12-02 13:02:12,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14263 to 4538. [2024-12-02 13:02:12,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4538 states, 3415 states have (on average 1.264714494875549) internal successors, (4319), 3415 states have internal predecessors, (4319), 792 states have call successors, (792), 330 states have call predecessors, (792), 330 states have return successors, (792), 792 states have call predecessors, (792), 792 states have call successors, (792) [2024-12-02 13:02:12,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4538 states to 4538 states and 5903 transitions. [2024-12-02 13:02:12,426 INFO L78 Accepts]: Start accepts. Automaton has 4538 states and 5903 transitions. Word has length 162 [2024-12-02 13:02:12,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:02:12,426 INFO L471 AbstractCegarLoop]: Abstraction has 4538 states and 5903 transitions. [2024-12-02 13:02:12,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.842105263157895) internal successors, (111), 19 states have internal predecessors, (111), 6 states have call successors, (68), 3 states have call predecessors, (68), 6 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) [2024-12-02 13:02:12,427 INFO L276 IsEmpty]: Start isEmpty. Operand 4538 states and 5903 transitions. [2024-12-02 13:02:12,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:02:12,428 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:02:12,428 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:02:12,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 13:02:12,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-12-02 13:02:12,629 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:02:12,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:02:12,629 INFO L85 PathProgramCache]: Analyzing trace with hash -38293971, now seen corresponding path program 1 times [2024-12-02 13:02:12,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:02:12,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187936568] [2024-12-02 13:02:12,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:02:12,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:02:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:02:15,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:02:15,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:02:15,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187936568] [2024-12-02 13:02:15,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187936568] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:02:15,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:02:15,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 13:02:15,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445342120] [2024-12-02 13:02:15,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:02:15,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:02:15,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:02:15,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:02:15,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:02:15,687 INFO L87 Difference]: Start difference. First operand 4538 states and 5903 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:02:19,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:02:19,779 INFO L93 Difference]: Finished difference Result 5171 states and 6632 transitions. [2024-12-02 13:02:19,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 13:02:19,779 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 13:02:19,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:02:19,798 INFO L225 Difference]: With dead ends: 5171 [2024-12-02 13:02:19,798 INFO L226 Difference]: Without dead ends: 5169 [2024-12-02 13:02:19,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2024-12-02 13:02:19,800 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 373 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:02:19,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 917 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 13:02:19,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5169 states. [2024-12-02 13:02:21,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5169 to 4569. [2024-12-02 13:02:21,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4569 states, 3446 states have (on average 1.2646546720835752) internal successors, (4358), 3446 states have internal predecessors, (4358), 792 states have call successors, (792), 330 states have call predecessors, (792), 330 states have return successors, (792), 792 states have call predecessors, (792), 792 states have call successors, (792) [2024-12-02 13:02:21,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4569 states to 4569 states and 5942 transitions. [2024-12-02 13:02:21,673 INFO L78 Accepts]: Start accepts. Automaton has 4569 states and 5942 transitions. Word has length 162 [2024-12-02 13:02:21,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:02:21,673 INFO L471 AbstractCegarLoop]: Abstraction has 4569 states and 5942 transitions. [2024-12-02 13:02:21,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:02:21,673 INFO L276 IsEmpty]: Start isEmpty. Operand 4569 states and 5942 transitions. [2024-12-02 13:02:21,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:02:21,675 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:02:21,675 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:02:21,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 13:02:21,676 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:02:21,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:02:21,676 INFO L85 PathProgramCache]: Analyzing trace with hash 219871467, now seen corresponding path program 1 times [2024-12-02 13:02:21,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:02:21,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187373214] [2024-12-02 13:02:21,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:02:21,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:02:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:02:25,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:02:25,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:02:25,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187373214] [2024-12-02 13:02:25,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187373214] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:02:25,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:02:25,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-12-02 13:02:25,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991538388] [2024-12-02 13:02:25,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:02:25,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 13:02:25,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:02:25,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 13:02:25,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-12-02 13:02:25,038 INFO L87 Difference]: Start difference. First operand 4569 states and 5942 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:02:30,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:02:30,042 INFO L93 Difference]: Finished difference Result 5037 states and 6470 transitions. [2024-12-02 13:02:30,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 13:02:30,043 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 13:02:30,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:02:30,061 INFO L225 Difference]: With dead ends: 5037 [2024-12-02 13:02:30,061 INFO L226 Difference]: Without dead ends: 5035 [2024-12-02 13:02:30,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2024-12-02 13:02:30,064 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 406 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:02:30,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 820 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 13:02:30,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5035 states. [2024-12-02 13:02:31,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5035 to 4588. [2024-12-02 13:02:31,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4588 states, 3465 states have (on average 1.264935064935065) internal successors, (4383), 3465 states have internal predecessors, (4383), 792 states have call successors, (792), 330 states have call predecessors, (792), 330 states have return successors, (792), 792 states have call predecessors, (792), 792 states have call successors, (792) [2024-12-02 13:02:31,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4588 states to 4588 states and 5967 transitions. [2024-12-02 13:02:31,865 INFO L78 Accepts]: Start accepts. Automaton has 4588 states and 5967 transitions. Word has length 162 [2024-12-02 13:02:31,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:02:31,866 INFO L471 AbstractCegarLoop]: Abstraction has 4588 states and 5967 transitions. [2024-12-02 13:02:31,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:02:31,866 INFO L276 IsEmpty]: Start isEmpty. Operand 4588 states and 5967 transitions. [2024-12-02 13:02:31,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:02:31,867 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:02:31,867 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:02:31,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 13:02:31,867 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:02:31,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:02:31,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1810027627, now seen corresponding path program 1 times [2024-12-02 13:02:31,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:02:31,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190634164] [2024-12-02 13:02:31,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:02:31,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:02:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:02:35,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:02:35,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:02:35,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190634164] [2024-12-02 13:02:35,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190634164] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:02:35,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:02:35,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 13:02:35,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811061267] [2024-12-02 13:02:35,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:02:35,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:02:35,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:02:35,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:02:35,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:02:35,238 INFO L87 Difference]: Start difference. First operand 4588 states and 5967 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:02:41,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:02:41,062 INFO L93 Difference]: Finished difference Result 8656 states and 11204 transitions. [2024-12-02 13:02:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 13:02:41,063 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 162 [2024-12-02 13:02:41,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:02:41,077 INFO L225 Difference]: With dead ends: 8656 [2024-12-02 13:02:41,077 INFO L226 Difference]: Without dead ends: 6253 [2024-12-02 13:02:41,081 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:02:41,082 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 447 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 775 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:02:41,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 664 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 775 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-12-02 13:02:41,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6253 states. [2024-12-02 13:02:42,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6253 to 4606. [2024-12-02 13:02:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4606 states, 3483 states have (on average 1.2664369796152741) internal successors, (4411), 3483 states have internal predecessors, (4411), 792 states have call successors, (792), 330 states have call predecessors, (792), 330 states have return successors, (792), 792 states have call predecessors, (792), 792 states have call successors, (792) [2024-12-02 13:02:42,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4606 states to 4606 states and 5995 transitions. [2024-12-02 13:02:42,955 INFO L78 Accepts]: Start accepts. Automaton has 4606 states and 5995 transitions. Word has length 162 [2024-12-02 13:02:42,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:02:42,956 INFO L471 AbstractCegarLoop]: Abstraction has 4606 states and 5995 transitions. [2024-12-02 13:02:42,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:02:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 4606 states and 5995 transitions. [2024-12-02 13:02:42,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:02:42,958 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:02:42,958 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:02:42,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 13:02:42,958 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:02:42,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:02:42,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1223221613, now seen corresponding path program 1 times [2024-12-02 13:02:42,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:02:42,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744008078] [2024-12-02 13:02:42,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:02:42,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:02:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:02:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:02:50,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:02:50,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744008078] [2024-12-02 13:02:50,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744008078] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:02:50,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:02:50,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-12-02 13:02:50,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306785559] [2024-12-02 13:02:50,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:02:50,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:02:50,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:02:50,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:02:50,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-12-02 13:02:50,032 INFO L87 Difference]: Start difference. First operand 4606 states and 5995 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:02:56,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:02:56,863 INFO L93 Difference]: Finished difference Result 9088 states and 11939 transitions. [2024-12-02 13:02:56,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 13:02:56,863 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 13:02:56,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:02:56,874 INFO L225 Difference]: With dead ends: 9088 [2024-12-02 13:02:56,874 INFO L226 Difference]: Without dead ends: 6667 [2024-12-02 13:02:56,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:02:56,878 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 462 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 986 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:02:56,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 986 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-12-02 13:02:56,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6667 states. [2024-12-02 13:02:58,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6667 to 4759. [2024-12-02 13:02:58,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4759 states, 3636 states have (on average 1.2766776677667766) internal successors, (4642), 3636 states have internal predecessors, (4642), 792 states have call successors, (792), 330 states have call predecessors, (792), 330 states have return successors, (792), 792 states have call predecessors, (792), 792 states have call successors, (792) [2024-12-02 13:02:58,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 6226 transitions. [2024-12-02 13:02:58,684 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 6226 transitions. Word has length 162 [2024-12-02 13:02:58,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:02:58,685 INFO L471 AbstractCegarLoop]: Abstraction has 4759 states and 6226 transitions. [2024-12-02 13:02:58,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:02:58,685 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 6226 transitions. [2024-12-02 13:02:58,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:02:58,687 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:02:58,687 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:02:58,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 13:02:58,687 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:02:58,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:02:58,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1089686866, now seen corresponding path program 1 times [2024-12-02 13:02:58,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:02:58,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414076129] [2024-12-02 13:02:58,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:02:58,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:02:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:03:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:03:43,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:03:43,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414076129] [2024-12-02 13:03:43,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414076129] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:03:43,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:03:43,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-12-02 13:03:43,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847542704] [2024-12-02 13:03:43,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:03:43,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 13:03:43,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:03:43,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 13:03:43,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:03:43,087 INFO L87 Difference]: Start difference. First operand 4759 states and 6226 transitions. Second operand has 21 states, 21 states have (on average 2.142857142857143) internal successors, (45), 21 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:03:56,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:03:56,731 INFO L93 Difference]: Finished difference Result 5666 states and 7367 transitions. [2024-12-02 13:03:56,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 13:03:56,732 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.142857142857143) internal successors, (45), 21 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 162 [2024-12-02 13:03:56,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:03:56,741 INFO L225 Difference]: With dead ends: 5666 [2024-12-02 13:03:56,741 INFO L226 Difference]: Without dead ends: 5664 [2024-12-02 13:03:56,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=332, Invalid=1074, Unknown=0, NotChecked=0, Total=1406 [2024-12-02 13:03:56,743 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 774 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 2281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 2216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:03:56,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 1112 Invalid, 2281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2024-12-02 13:03:56,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5664 states. [2024-12-02 13:03:58,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5664 to 4775. [2024-12-02 13:03:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4775 states, 3652 states have (on average 1.2776560788608982) internal successors, (4666), 3652 states have internal predecessors, (4666), 792 states have call successors, (792), 330 states have call predecessors, (792), 330 states have return successors, (792), 792 states have call predecessors, (792), 792 states have call successors, (792) [2024-12-02 13:03:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4775 states to 4775 states and 6250 transitions. [2024-12-02 13:03:58,516 INFO L78 Accepts]: Start accepts. Automaton has 4775 states and 6250 transitions. Word has length 162 [2024-12-02 13:03:58,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:03:58,516 INFO L471 AbstractCegarLoop]: Abstraction has 4775 states and 6250 transitions. [2024-12-02 13:03:58,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.142857142857143) internal successors, (45), 21 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:03:58,516 INFO L276 IsEmpty]: Start isEmpty. Operand 4775 states and 6250 transitions. [2024-12-02 13:03:58,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:03:58,518 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:03:58,518 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:03:58,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-12-02 13:03:58,518 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:03:58,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:03:58,518 INFO L85 PathProgramCache]: Analyzing trace with hash -896591767, now seen corresponding path program 1 times [2024-12-02 13:03:58,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:03:58,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864615683] [2024-12-02 13:03:58,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:03:58,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:03:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:04:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:04:10,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:04:10,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864615683] [2024-12-02 13:04:10,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864615683] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:04:10,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:04:10,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-12-02 13:04:10,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333219579] [2024-12-02 13:04:10,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:04:10,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-12-02 13:04:10,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:04:10,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-12-02 13:04:10,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2024-12-02 13:04:10,844 INFO L87 Difference]: Start difference. First operand 4775 states and 6250 transitions. Second operand has 22 states, 22 states have (on average 2.0454545454545454) internal successors, (45), 22 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:04:24,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:04:24,170 INFO L93 Difference]: Finished difference Result 6758 states and 8781 transitions. [2024-12-02 13:04:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-02 13:04:24,170 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.0454545454545454) internal successors, (45), 22 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 162 [2024-12-02 13:04:24,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:04:24,180 INFO L225 Difference]: With dead ends: 6758 [2024-12-02 13:04:24,180 INFO L226 Difference]: Without dead ends: 6756 [2024-12-02 13:04:24,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=489, Invalid=1403, Unknown=0, NotChecked=0, Total=1892 [2024-12-02 13:04:24,182 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 881 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 1982 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 2082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-12-02 13:04:24,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 922 Invalid, 2082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1982 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-12-02 13:04:24,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2024-12-02 13:04:25,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 4790. [2024-12-02 13:04:25,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4790 states, 3667 states have (on average 1.2789746386692118) internal successors, (4690), 3667 states have internal predecessors, (4690), 792 states have call successors, (792), 330 states have call predecessors, (792), 330 states have return successors, (792), 792 states have call predecessors, (792), 792 states have call successors, (792) [2024-12-02 13:04:25,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4790 states and 6274 transitions. [2024-12-02 13:04:25,951 INFO L78 Accepts]: Start accepts. Automaton has 4790 states and 6274 transitions. Word has length 162 [2024-12-02 13:04:25,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:04:25,951 INFO L471 AbstractCegarLoop]: Abstraction has 4790 states and 6274 transitions. [2024-12-02 13:04:25,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.0454545454545454) internal successors, (45), 22 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:04:25,951 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 6274 transitions. [2024-12-02 13:04:25,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:04:25,952 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:04:25,952 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:04:25,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 13:04:25,953 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:04:25,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:04:25,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1483397781, now seen corresponding path program 1 times [2024-12-02 13:04:25,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:04:25,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309114368] [2024-12-02 13:04:25,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:04:25,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:04:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:04:35,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:04:35,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:04:35,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309114368] [2024-12-02 13:04:35,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309114368] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:04:35,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:04:35,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-12-02 13:04:35,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226849949] [2024-12-02 13:04:35,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:04:35,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 13:04:35,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:04:35,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 13:04:35,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-12-02 13:04:35,821 INFO L87 Difference]: Start difference. First operand 4790 states and 6274 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:04:43,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:04:43,690 INFO L93 Difference]: Finished difference Result 8086 states and 10587 transitions. [2024-12-02 13:04:43,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 13:04:43,691 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 13:04:43,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:04:43,701 INFO L225 Difference]: With dead ends: 8086 [2024-12-02 13:04:43,701 INFO L226 Difference]: Without dead ends: 6722 [2024-12-02 13:04:43,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:04:43,704 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 496 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 1720 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 1285 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:04:43,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 1285 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1720 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 13:04:43,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6722 states. [2024-12-02 13:04:45,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6722 to 4794. [2024-12-02 13:04:45,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4794 states, 3671 states have (on average 1.2786706619449741) internal successors, (4694), 3671 states have internal predecessors, (4694), 792 states have call successors, (792), 330 states have call predecessors, (792), 330 states have return successors, (792), 792 states have call predecessors, (792), 792 states have call successors, (792) [2024-12-02 13:04:45,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 6278 transitions. [2024-12-02 13:04:45,530 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 6278 transitions. Word has length 162 [2024-12-02 13:04:45,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:04:45,530 INFO L471 AbstractCegarLoop]: Abstraction has 4794 states and 6278 transitions. [2024-12-02 13:04:45,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:04:45,530 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6278 transitions. [2024-12-02 13:04:45,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:04:45,532 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:04:45,532 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:04:45,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 13:04:45,532 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:04:45,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:04:45,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1875097966, now seen corresponding path program 1 times [2024-12-02 13:04:45,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:04:45,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265015986] [2024-12-02 13:04:45,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:04:45,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:04:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:04:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:04:53,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:04:53,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265015986] [2024-12-02 13:04:53,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265015986] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:04:53,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:04:53,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-12-02 13:04:53,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024239763] [2024-12-02 13:04:53,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:04:53,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-12-02 13:04:53,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:04:53,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-12-02 13:04:53,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:04:53,698 INFO L87 Difference]: Start difference. First operand 4794 states and 6278 transitions. Second operand has 20 states, 20 states have (on average 2.25) internal successors, (45), 20 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:05:01,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:05:01,458 INFO L93 Difference]: Finished difference Result 8459 states and 11077 transitions. [2024-12-02 13:05:01,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-02 13:05:01,459 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.25) internal successors, (45), 20 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 162 [2024-12-02 13:05:01,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:05:01,468 INFO L225 Difference]: With dead ends: 8459 [2024-12-02 13:05:01,468 INFO L226 Difference]: Without dead ends: 5862 [2024-12-02 13:05:01,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=341, Invalid=919, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 13:05:01,473 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 610 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 13:05:01,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 1058 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 13:05:01,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5862 states. [2024-12-02 13:05:03,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5862 to 4798. [2024-12-02 13:05:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4798 states, 3675 states have (on average 1.2786394557823129) internal successors, (4699), 3675 states have internal predecessors, (4699), 792 states have call successors, (792), 330 states have call predecessors, (792), 330 states have return successors, (792), 792 states have call predecessors, (792), 792 states have call successors, (792) [2024-12-02 13:05:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4798 states to 4798 states and 6283 transitions. [2024-12-02 13:05:03,320 INFO L78 Accepts]: Start accepts. Automaton has 4798 states and 6283 transitions. Word has length 162 [2024-12-02 13:05:03,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:05:03,320 INFO L471 AbstractCegarLoop]: Abstraction has 4798 states and 6283 transitions. [2024-12-02 13:05:03,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.25) internal successors, (45), 20 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:05:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 4798 states and 6283 transitions. [2024-12-02 13:05:03,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:05:03,322 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:05:03,322 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:05:03,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 13:05:03,322 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:05:03,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:05:03,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1616932528, now seen corresponding path program 1 times [2024-12-02 13:05:03,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:05:03,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171641053] [2024-12-02 13:05:03,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:05:03,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:05:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:05:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:05:15,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:05:15,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171641053] [2024-12-02 13:05:15,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171641053] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:05:15,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:05:15,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-12-02 13:05:15,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957025973] [2024-12-02 13:05:15,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:05:15,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-12-02 13:05:15,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:05:15,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-12-02 13:05:15,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2024-12-02 13:05:15,943 INFO L87 Difference]: Start difference. First operand 4798 states and 6283 transitions. Second operand has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 13:05:42,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:05:42,067 INFO L93 Difference]: Finished difference Result 10273 states and 13494 transitions. [2024-12-02 13:05:42,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-02 13:05:42,067 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 162 [2024-12-02 13:05:42,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:05:42,080 INFO L225 Difference]: With dead ends: 10273 [2024-12-02 13:05:42,080 INFO L226 Difference]: Without dead ends: 8905 [2024-12-02 13:05:42,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=627, Invalid=1923, Unknown=0, NotChecked=0, Total=2550 [2024-12-02 13:05:42,083 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 1032 mSDsluCounter, 1586 mSDsCounter, 0 mSdLazyCounter, 3415 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 1786 SdHoareTripleChecker+Invalid, 3686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 3415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:05:42,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 1786 Invalid, 3686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 3415 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2024-12-02 13:05:42,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8905 states. [2024-12-02 13:05:44,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8905 to 6054. [2024-12-02 13:05:44,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6054 states, 4659 states have (on average 1.288688559776776) internal successors, (6004), 4659 states have internal predecessors, (6004), 984 states have call successors, (984), 410 states have call predecessors, (984), 410 states have return successors, (984), 984 states have call predecessors, (984), 984 states have call successors, (984) [2024-12-02 13:05:44,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6054 states to 6054 states and 7972 transitions. [2024-12-02 13:05:44,564 INFO L78 Accepts]: Start accepts. Automaton has 6054 states and 7972 transitions. Word has length 162 [2024-12-02 13:05:44,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:05:44,565 INFO L471 AbstractCegarLoop]: Abstraction has 6054 states and 7972 transitions. [2024-12-02 13:05:44,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 13:05:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 6054 states and 7972 transitions. [2024-12-02 13:05:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:05:44,566 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:05:44,566 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:05:44,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 13:05:44,566 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:05:44,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:05:44,567 INFO L85 PathProgramCache]: Analyzing trace with hash 520747347, now seen corresponding path program 1 times [2024-12-02 13:05:44,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:05:44,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734388366] [2024-12-02 13:05:44,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:05:44,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:05:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:05:44,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:05:44,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:05:44,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734388366] [2024-12-02 13:05:44,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734388366] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:05:44,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:05:44,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:05:44,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027188347] [2024-12-02 13:05:44,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:05:44,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:05:44,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:05:44,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:05:44,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:05:44,647 INFO L87 Difference]: Start difference. First operand 6054 states and 7972 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:05:49,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:05:49,474 INFO L93 Difference]: Finished difference Result 12934 states and 16870 transitions. [2024-12-02 13:05:49,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:05:49,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 13:05:49,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:05:49,492 INFO L225 Difference]: With dead ends: 12934 [2024-12-02 13:05:49,492 INFO L226 Difference]: Without dead ends: 10526 [2024-12-02 13:05:49,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:05:49,497 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 127 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:05:49,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 484 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:05:49,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10526 states. [2024-12-02 13:05:53,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10526 to 9257. [2024-12-02 13:05:53,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9257 states, 7046 states have (on average 1.2744819755889867) internal successors, (8980), 7046 states have internal predecessors, (8980), 1560 states have call successors, (1560), 650 states have call predecessors, (1560), 650 states have return successors, (1560), 1560 states have call predecessors, (1560), 1560 states have call successors, (1560) [2024-12-02 13:05:53,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9257 states to 9257 states and 12100 transitions. [2024-12-02 13:05:53,560 INFO L78 Accepts]: Start accepts. Automaton has 9257 states and 12100 transitions. Word has length 162 [2024-12-02 13:05:53,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:05:53,560 INFO L471 AbstractCegarLoop]: Abstraction has 9257 states and 12100 transitions. [2024-12-02 13:05:53,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:05:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand 9257 states and 12100 transitions. [2024-12-02 13:05:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:05:53,562 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:05:53,562 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:05:53,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 13:05:53,562 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:05:53,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:05:53,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1645923439, now seen corresponding path program 1 times [2024-12-02 13:05:53,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:05:53,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766959742] [2024-12-02 13:05:53,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:05:53,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:05:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:05:55,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:05:55,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:05:55,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766959742] [2024-12-02 13:05:55,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766959742] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:05:55,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:05:55,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 13:05:55,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071292957] [2024-12-02 13:05:55,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:05:55,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:05:55,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:05:55,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:05:55,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:05:55,194 INFO L87 Difference]: Start difference. First operand 9257 states and 12100 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:06:03,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:06:03,865 INFO L93 Difference]: Finished difference Result 24314 states and 32004 transitions. [2024-12-02 13:06:03,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 13:06:03,866 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 162 [2024-12-02 13:06:03,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:06:03,891 INFO L225 Difference]: With dead ends: 24314 [2024-12-02 13:06:03,891 INFO L226 Difference]: Without dead ends: 15106 [2024-12-02 13:06:03,903 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-12-02 13:06:03,903 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 395 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 876 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:06:03,904 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 876 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:06:03,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15106 states. [2024-12-02 13:06:07,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15106 to 9764. [2024-12-02 13:06:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9764 states, 7553 states have (on average 1.2898186151198199) internal successors, (9742), 7553 states have internal predecessors, (9742), 1560 states have call successors, (1560), 650 states have call predecessors, (1560), 650 states have return successors, (1560), 1560 states have call predecessors, (1560), 1560 states have call successors, (1560) [2024-12-02 13:06:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9764 states to 9764 states and 12862 transitions. [2024-12-02 13:06:07,822 INFO L78 Accepts]: Start accepts. Automaton has 9764 states and 12862 transitions. Word has length 162 [2024-12-02 13:06:07,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:06:07,822 INFO L471 AbstractCegarLoop]: Abstraction has 9764 states and 12862 transitions. [2024-12-02 13:06:07,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:06:07,823 INFO L276 IsEmpty]: Start isEmpty. Operand 9764 states and 12862 transitions. [2024-12-02 13:06:07,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:06:07,824 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:06:07,824 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:06:07,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 13:06:07,824 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:06:07,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:06:07,825 INFO L85 PathProgramCache]: Analyzing trace with hash -473889941, now seen corresponding path program 1 times [2024-12-02 13:06:07,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:06:07,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551078275] [2024-12-02 13:06:07,825 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:06:07,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:06:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:06:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:06:09,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:06:09,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551078275] [2024-12-02 13:06:09,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551078275] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:06:09,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:06:09,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 13:06:09,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496497350] [2024-12-02 13:06:09,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:06:09,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 13:06:09,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:06:09,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 13:06:09,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:06:09,822 INFO L87 Difference]: Start difference. First operand 9764 states and 12862 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:06:22,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:06:22,045 INFO L93 Difference]: Finished difference Result 18075 states and 23425 transitions. [2024-12-02 13:06:22,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-02 13:06:22,046 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 162 [2024-12-02 13:06:22,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:06:22,070 INFO L225 Difference]: With dead ends: 18075 [2024-12-02 13:06:22,070 INFO L226 Difference]: Without dead ends: 15487 [2024-12-02 13:06:22,076 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2024-12-02 13:06:22,076 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 603 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:06:22,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1215 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 13:06:22,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15487 states. [2024-12-02 13:06:26,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15487 to 9831. [2024-12-02 13:06:26,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9831 states, 7620 states have (on average 1.292782152230971) internal successors, (9851), 7620 states have internal predecessors, (9851), 1560 states have call successors, (1560), 650 states have call predecessors, (1560), 650 states have return successors, (1560), 1560 states have call predecessors, (1560), 1560 states have call successors, (1560) [2024-12-02 13:06:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9831 states to 9831 states and 12971 transitions. [2024-12-02 13:06:26,057 INFO L78 Accepts]: Start accepts. Automaton has 9831 states and 12971 transitions. Word has length 162 [2024-12-02 13:06:26,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:06:26,057 INFO L471 AbstractCegarLoop]: Abstraction has 9831 states and 12971 transitions. [2024-12-02 13:06:26,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:06:26,057 INFO L276 IsEmpty]: Start isEmpty. Operand 9831 states and 12971 transitions. [2024-12-02 13:06:26,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:06:26,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:06:26,059 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:06:26,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 13:06:26,059 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:06:26,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:06:26,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1452396140, now seen corresponding path program 1 times [2024-12-02 13:06:26,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:06:26,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496427542] [2024-12-02 13:06:26,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:06:26,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:06:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:06:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:06:26,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:06:26,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496427542] [2024-12-02 13:06:26,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496427542] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:06:26,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:06:26,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 13:06:26,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63061169] [2024-12-02 13:06:26,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:06:26,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:06:26,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:06:26,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:06:26,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:06:26,687 INFO L87 Difference]: Start difference. First operand 9831 states and 12971 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:06:39,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:06:39,442 INFO L93 Difference]: Finished difference Result 27060 states and 35142 transitions. [2024-12-02 13:06:39,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 13:06:39,443 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 162 [2024-12-02 13:06:39,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:06:39,472 INFO L225 Difference]: With dead ends: 27060 [2024-12-02 13:06:39,472 INFO L226 Difference]: Without dead ends: 17211 [2024-12-02 13:06:39,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2024-12-02 13:06:39,486 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 393 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 13:06:39,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1225 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 13:06:39,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17211 states. [2024-12-02 13:06:43,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17211 to 10047. [2024-12-02 13:06:43,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10047 states, 7836 states have (on average 1.3002807554874936) internal successors, (10189), 7836 states have internal predecessors, (10189), 1560 states have call successors, (1560), 650 states have call predecessors, (1560), 650 states have return successors, (1560), 1560 states have call predecessors, (1560), 1560 states have call successors, (1560) [2024-12-02 13:06:43,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10047 states to 10047 states and 13309 transitions. [2024-12-02 13:06:43,710 INFO L78 Accepts]: Start accepts. Automaton has 10047 states and 13309 transitions. Word has length 162 [2024-12-02 13:06:43,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:06:43,710 INFO L471 AbstractCegarLoop]: Abstraction has 10047 states and 13309 transitions. [2024-12-02 13:06:43,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:06:43,711 INFO L276 IsEmpty]: Start isEmpty. Operand 10047 states and 13309 transitions. [2024-12-02 13:06:43,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:06:43,712 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:06:43,712 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:06:43,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 13:06:43,713 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:06:43,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:06:43,713 INFO L85 PathProgramCache]: Analyzing trace with hash -582216721, now seen corresponding path program 1 times [2024-12-02 13:06:43,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:06:43,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14933754] [2024-12-02 13:06:43,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:06:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:06:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:06:43,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 13:06:43,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:06:43,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14933754] [2024-12-02 13:06:43,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14933754] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:06:43,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:06:43,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 13:06:43,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565181762] [2024-12-02 13:06:43,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:06:43,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:06:43,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:06:43,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:06:43,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:06:43,890 INFO L87 Difference]: Start difference. First operand 10047 states and 13309 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:06:48,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:06:48,656 INFO L93 Difference]: Finished difference Result 21946 states and 29217 transitions. [2024-12-02 13:06:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:06:48,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 162 [2024-12-02 13:06:48,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:06:48,681 INFO L225 Difference]: With dead ends: 21946 [2024-12-02 13:06:48,681 INFO L226 Difference]: Without dead ends: 11986 [2024-12-02 13:06:48,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:06:48,695 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 207 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:06:48,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 479 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:06:48,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11986 states. [2024-12-02 13:06:53,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11986 to 10624. [2024-12-02 13:06:53,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10624 states, 8277 states have (on average 1.300229551769965) internal successors, (10762), 8277 states have internal predecessors, (10762), 1656 states have call successors, (1656), 690 states have call predecessors, (1656), 690 states have return successors, (1656), 1656 states have call predecessors, (1656), 1656 states have call successors, (1656) [2024-12-02 13:06:53,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10624 states to 10624 states and 14074 transitions. [2024-12-02 13:06:53,152 INFO L78 Accepts]: Start accepts. Automaton has 10624 states and 14074 transitions. Word has length 162 [2024-12-02 13:06:53,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:06:53,152 INFO L471 AbstractCegarLoop]: Abstraction has 10624 states and 14074 transitions. [2024-12-02 13:06:53,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 13:06:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 10624 states and 14074 transitions. [2024-12-02 13:06:53,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 13:06:53,154 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:06:53,154 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:06:53,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 13:06:53,154 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:06:53,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:06:53,154 INFO L85 PathProgramCache]: Analyzing trace with hash 939817061, now seen corresponding path program 1 times [2024-12-02 13:06:53,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:06:53,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057935690] [2024-12-02 13:06:53,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:06:53,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:06:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 13:06:53,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1586234018] [2024-12-02 13:06:53,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:06:53,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:06:53,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:06:53,226 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:06:53,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 13:06:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:06:53,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-02 13:06:53,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:06:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 608 proven. 186 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-12-02 13:06:55,875 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:07:00,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:07:00,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057935690] [2024-12-02 13:07:00,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 13:07:00,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586234018] [2024-12-02 13:07:00,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586234018] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:07:00,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:07:00,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2024-12-02 13:07:00,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552457564] [2024-12-02 13:07:00,712 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-02 13:07:00,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 13:07:00,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:07:00,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 13:07:00,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-12-02 13:07:00,713 INFO L87 Difference]: Start difference. First operand 10624 states and 14074 transitions. Second operand has 21 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 20 states have internal predecessors, (70), 6 states have call successors, (24), 6 states have call predecessors, (24), 9 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-12-02 13:07:10,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:07:10,021 INFO L93 Difference]: Finished difference Result 16769 states and 21457 transitions. [2024-12-02 13:07:10,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-02 13:07:10,021 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 20 states have internal predecessors, (70), 6 states have call successors, (24), 6 states have call predecessors, (24), 9 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 163 [2024-12-02 13:07:10,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:07:10,048 INFO L225 Difference]: With dead ends: 16769 [2024-12-02 13:07:10,048 INFO L226 Difference]: Without dead ends: 14048 [2024-12-02 13:07:10,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=412, Invalid=1480, Unknown=0, NotChecked=0, Total=1892 [2024-12-02 13:07:10,055 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 473 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:07:10,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 493 Invalid, 874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-12-02 13:07:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14048 states. [2024-12-02 13:07:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14048 to 11385. [2024-12-02 13:07:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11385 states, 8844 states have (on average 1.282225237449118) internal successors, (11340), 8848 states have internal predecessors, (11340), 1688 states have call successors, (1688), 852 states have call predecessors, (1688), 852 states have return successors, (1688), 1684 states have call predecessors, (1688), 1688 states have call successors, (1688) [2024-12-02 13:07:14,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11385 states to 11385 states and 14716 transitions. [2024-12-02 13:07:14,935 INFO L78 Accepts]: Start accepts. Automaton has 11385 states and 14716 transitions. Word has length 163 [2024-12-02 13:07:14,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:07:14,935 INFO L471 AbstractCegarLoop]: Abstraction has 11385 states and 14716 transitions. [2024-12-02 13:07:14,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 20 states have internal predecessors, (70), 6 states have call successors, (24), 6 states have call predecessors, (24), 9 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2024-12-02 13:07:14,935 INFO L276 IsEmpty]: Start isEmpty. Operand 11385 states and 14716 transitions. [2024-12-02 13:07:14,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-02 13:07:14,936 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:07:14,937 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:07:14,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 13:07:15,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:07:15,137 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:07:15,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:07:15,138 INFO L85 PathProgramCache]: Analyzing trace with hash -71300189, now seen corresponding path program 1 times [2024-12-02 13:07:15,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:07:15,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036268814] [2024-12-02 13:07:15,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:07:15,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:07:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 13:07:15,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [357138342] [2024-12-02 13:07:15,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:07:15,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:07:15,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:07:15,203 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:07:15,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 13:07:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:07:15,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:07:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:07:15,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:07:15,494 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:07:15,495 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:07:15,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-02 13:07:15,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:07:15,700 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:07:15,807 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:07:15,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:07:15 BoogieIcfgContainer [2024-12-02 13:07:15,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:07:15,811 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:07:15,811 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:07:15,812 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:07:15,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:57:32" (3/4) ... [2024-12-02 13:07:15,815 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:07:15,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:07:15,817 INFO L158 Benchmark]: Toolchain (without parser) took 584739.44ms. Allocated memory was 117.4MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 92.0MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 303.3MB. Max. memory is 16.1GB. [2024-12-02 13:07:15,817 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:07:15,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.81ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 76.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:07:15,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.92ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 73.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:07:15,818 INFO L158 Benchmark]: Boogie Preprocessor took 58.87ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 69.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:07:15,818 INFO L158 Benchmark]: RCFGBuilder took 546.81ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 45.7MB in the end (delta: 23.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:07:15,818 INFO L158 Benchmark]: TraceAbstraction took 583696.38ms. Allocated memory was 117.4MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 45.2MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 261.3MB. Max. memory is 16.1GB. [2024-12-02 13:07:15,818 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 2.5GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 330.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:07:15,820 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 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.81ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 76.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.92ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 73.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.87ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 69.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 546.81ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 45.7MB in the end (delta: 23.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 583696.38ms. Allocated memory was 117.4MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 45.2MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 261.3MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 2.5GB. Free memory was 2.2GB in the beginning and 2.2GB in the end (delta: 330.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 124, overapproximation of someBinaryDOUBLEComparisonOperation at line 174, overapproximation of someBinaryDOUBLEComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 176, overapproximation of someBinaryDOUBLEComparisonOperation at line 124. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] signed char var_1_3 = 8; [L24] signed char var_1_4 = 10; [L25] double var_1_5 = 16.5; [L26] signed char var_1_6 = 64; [L27] signed char var_1_7 = 2; [L28] unsigned short int var_1_8 = 256; [L29] unsigned short int var_1_10 = 63583; [L30] unsigned short int var_1_11 = 33789; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_14 = 0; [L33] signed long int var_1_15 = 8; [L34] signed short int var_1_16 = -16; [L35] signed short int var_1_18 = 16; [L36] signed short int var_1_19 = 25; [L37] signed short int var_1_20 = 25; [L38] signed short int var_1_21 = 50; [L39] signed long int var_1_22 = -8; [L40] unsigned long int var_1_26 = 10; [L41] signed long int var_1_28 = -10000; [L42] signed long int var_1_29 = -1263929197; [L43] signed short int var_1_31 = 1; [L44] unsigned char var_1_36 = 32; [L45] unsigned char var_1_38 = 2; [L46] double var_1_39 = 3.6; [L47] double var_1_40 = 24.25; [L48] double var_1_41 = 31.25; [L49] unsigned long int var_1_42 = 10; [L50] unsigned char last_1_var_1_12 = 1; VAL [isInitial=0, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L186] isInitial = 1 [L187] FCALL initially() [L189] CALL updateLastVariables() [L179] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=8, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L189] RET updateLastVariables() [L190] CALL updateVariables() [L140] var_1_3 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L141] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L142] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L142] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L143] var_1_4 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L144] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L145] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L145] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L146] var_1_6 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L147] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L148] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L148] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=2, var_1_8=256] [L149] var_1_7 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L150] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L151] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L151] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L152] var_1_10 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L153] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L154] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L154] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L155] var_1_11 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L156] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L157] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L157] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L158] var_1_14 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L159] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L160] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L160] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L161] var_1_20 = __VERIFIER_nondet_short() [L162] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L162] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L163] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L163] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=50, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L164] var_1_21 = __VERIFIER_nondet_short() [L165] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L165] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L166] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L166] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1263929197, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L167] var_1_29 = __VERIFIER_nondet_long() [L168] CALL assume_abort_if_not(var_1_29 >= -2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L168] RET assume_abort_if_not(var_1_29 >= -2147483646) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L169] CALL assume_abort_if_not(var_1_29 <= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L169] RET assume_abort_if_not(var_1_29 <= -1073741823) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=2, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L170] var_1_38 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L171] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L172] CALL assume_abort_if_not(var_1_38 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L172] RET assume_abort_if_not(var_1_38 <= 254) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_40=97/4, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L173] var_1_40 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L174] RET assume_abort_if_not((var_1_40 >= -922337.2036854765600e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_41=125/4, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L175] var_1_41 = __VERIFIER_nondet_double() [L176] CALL assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L176] RET assume_abort_if_not((var_1_41 >= -922337.2036854765600e+13F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L190] RET updateVariables() [L191] CALL step() [L54] signed char stepLocal_1 = var_1_6; [L55] unsigned char stepLocal_0 = last_1_var_1_12; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_1=-1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=256] [L56] COND FALSE !(-25 == stepLocal_1) [L61] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=32767] [L63] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_2=0, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=32767] [L64] COND TRUE var_1_8 >= stepLocal_2 [L65] var_1_12 = (! var_1_14) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=32767] [L67] COND TRUE \read(var_1_12) [L68] var_1_1 = (var_1_3 + var_1_4) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=32767] [L70] COND TRUE var_1_4 >= (var_1_6 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/2, var_1_6=-1, var_1_7=0, var_1_8=32767] [L71] COND TRUE \read(var_1_12) [L72] var_1_5 = 8.25 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L75] signed char stepLocal_4 = var_1_6; VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_4=-1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L76] COND FALSE !(var_1_1 < stepLocal_4) [L79] var_1_18 = (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=-1, var_1_19=25, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L81] COND TRUE \read(var_1_12) [L82] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L84] COND TRUE -64 > (var_1_6 + var_1_19) [L85] var_1_15 = (var_1_11 - var_1_7) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L93] signed long int stepLocal_3 = ((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10); VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, stepLocal_3=32767, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L94] COND FALSE !(var_1_19 > stepLocal_3) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L97] COND FALSE !(var_1_16 > var_1_18) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=10, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L102] var_1_26 = var_1_8 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=32767, var_1_28=-10000, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L103] COND FALSE !(((((-256) < 0 ) ? -(-256) : (-256))) < var_1_19) [L106] var_1_28 = var_1_29 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=32767, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L108] COND TRUE var_1_8 > var_1_18 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=32767, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L109] COND TRUE var_1_29 < var_1_18 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=32767, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L110] COND TRUE var_1_29 <= (-64 & var_1_19) [L111] var_1_31 = ((((var_1_1) > (((((8) < (var_1_1)) ? (8) : (var_1_1))))) ? (var_1_1) : (((((8) < (var_1_1)) ? (8) : (var_1_1)))))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=32767, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=-1, var_1_36=32, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L117] COND FALSE !(((((((((var_1_8) > (var_1_15)) ? (var_1_8) : (var_1_15)))) > (var_1_1)) ? (((((var_1_8) > (var_1_15)) ? (var_1_8) : (var_1_15)))) : (var_1_1))) > var_1_8) [L122] var_1_36 = var_1_38 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=32767, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=-1, var_1_36=0, var_1_38=0, var_1_39=18/5, var_1_3=-1, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L124] var_1_39 = ((((((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) > (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75))))) ? (((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) : (((((var_1_41) < (100.75)) ? (var_1_41) : (100.75)))))) VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=32767, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=-1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-1, var_1_40=0, var_1_41=0, var_1_42=10, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L125] COND FALSE !(var_1_8 <= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) [L136] var_1_42 = var_1_38 VAL [isInitial=1, last_1_var_1_12=1, stepLocal_0=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=32767, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=-1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-1, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L191] RET step() [L192] CALL, EXPR property() [L182-L183] return (((((((var_1_12 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_12 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((last_1_var_1_12 && last_1_var_1_12) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_19)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_19 > (((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_12 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=32767, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=-1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-1, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=32767, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=-1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-1, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=1, var_1_10=65534, var_1_11=98303, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=-1, var_1_19=-16384, var_1_1=-1, var_1_20=16383, var_1_21=16383, var_1_22=-8, var_1_26=32767, var_1_28=-1073741823, var_1_29=-1073741823, var_1_31=-1, var_1_36=0, var_1_38=0, var_1_39=2, var_1_3=-1, var_1_40=0, var_1_41=0, var_1_42=0, var_1_4=0, var_1_5=33/4, var_1_6=-1, var_1_7=0, var_1_8=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 583.5s, OverallIterations: 33, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 308.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22603 SdHoareTripleChecker+Valid, 81.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22588 mSDsluCounter, 27463 SdHoareTripleChecker+Invalid, 73.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22531 mSDsCounter, 4016 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37340 IncrementalHoareTripleChecker+Invalid, 41356 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4016 mSolverCounterUnsat, 4932 mSDtfsCounter, 37340 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2574 GetRequests, 1489 SyntacticMatches, 0 SemanticMatches, 1085 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45977 ImplicationChecksByTransitivity, 175.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11385occurred in iteration=32, InterpolantAutomatonStates: 830, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 52.7s AutomataMinimizationTime, 32 MinimizatonAttempts, 58245 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 217.8s InterpolantComputationTime, 6293 NumberOfCodeBlocks, 6293 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 6249 ConstructedInterpolants, 9 QuantifiedInterpolants, 111806 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1927 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 39 InterpolantComputations, 28 PerfectInterpolantSequences, 41750/43056 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 13:07:16,031 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-12-02 13:07:16,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e47d94c12124cf4b862c2f881009fef36c28832c985456c790d3472927c1d0c5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:07:18,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:07:18,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:07:18,553 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:07:18,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:07:18,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:07:18,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:07:18,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:07:18,579 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:07:18,580 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:07:18,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:07:18,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:07:18,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:07:18,580 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:07:18,581 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:07:18,581 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:07:18,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:07:18,581 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:07:18,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:07:18,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:07:18,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:07:18,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:07:18,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:07:18,582 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:07:18,582 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:07:18,582 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:07:18,582 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:07:18,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:07:18,582 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:07:18,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:07:18,583 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:07:18,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:07:18,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:07:18,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:07:18,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:07:18,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:07:18,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:07:18,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:07:18,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:07:18,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:07:18,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:07:18,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:07:18,585 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:07:18,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:07:18,585 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:07:18,585 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:07:18,585 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:07:18,585 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:07:18,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:07:18,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:07:18,586 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_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e47d94c12124cf4b862c2f881009fef36c28832c985456c790d3472927c1d0c5 [2024-12-02 13:07:18,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:07:18,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:07:18,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:07:18,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:07:18,862 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:07:18,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2024-12-02 13:07:21,927 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/data/3eba237b5/8e0abd8398ab45e5a1e21c2c31fed1e2/FLAG0682c25f6 [2024-12-02 13:07:22,130 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:07:22,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2024-12-02 13:07:22,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/data/3eba237b5/8e0abd8398ab45e5a1e21c2c31fed1e2/FLAG0682c25f6 [2024-12-02 13:07:22,160 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/data/3eba237b5/8e0abd8398ab45e5a1e21c2c31fed1e2 [2024-12-02 13:07:22,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:07:22,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:07:22,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:07:22,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:07:22,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:07:22,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320d8afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22, skipping insertion in model container [2024-12-02 13:07:22,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:07:22,362 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_06f0b90a-b6e8-4604-a3fc-dba002f08560/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i[919,932] [2024-12-02 13:07:22,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:07:22,456 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:07:22,469 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_06f0b90a-b6e8-4604-a3fc-dba002f08560/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i[919,932] [2024-12-02 13:07:22,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:07:22,529 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:07:22,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22 WrapperNode [2024-12-02 13:07:22,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:07:22,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:07:22,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:07:22,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:07:22,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,579 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-12-02 13:07:22,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:07:22,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:07:22,581 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:07:22,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:07:22,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,595 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,609 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 13:07:22,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,622 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,632 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,634 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:07:22,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:07:22,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:07:22,640 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:07:22,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (1/1) ... [2024-12-02 13:07:22,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:07:22,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:07:22,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:07:22,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:07:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:07:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:07:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:07:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:07:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:07:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:07:22,783 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:07:22,785 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:07:23,239 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 13:07:23,239 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:07:23,250 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:07:23,251 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:07:23,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:23 BoogieIcfgContainer [2024-12-02 13:07:23,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:07:23,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:07:23,254 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:07:23,259 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:07:23,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:07:22" (1/3) ... [2024-12-02 13:07:23,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201de129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:23, skipping insertion in model container [2024-12-02 13:07:23,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:07:22" (2/3) ... [2024-12-02 13:07:23,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201de129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:07:23, skipping insertion in model container [2024-12-02 13:07:23,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:07:23" (3/3) ... [2024-12-02 13:07:23,261 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2024-12-02 13:07:23,276 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:07:23,278 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i that has 2 procedures, 84 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:07:23,330 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:07:23,343 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;@2f0ad037, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:07:23,343 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:07:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 13:07:23,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 13:07:23,360 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:07:23,361 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:07:23,361 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:07:23,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:07:23,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1238318862, now seen corresponding path program 1 times [2024-12-02 13:07:23,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:07:23,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003338443] [2024-12-02 13:07:23,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:07:23,378 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:07:23,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:07:23,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:07:23,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 13:07:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:07:23,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:07:23,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:07:23,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-12-02 13:07:23,714 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:07:23,714 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:07:23,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2003338443] [2024-12-02 13:07:23,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2003338443] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:07:23,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:07:23,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:07:23,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170981437] [2024-12-02 13:07:23,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:07:23,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:07:23,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:07:23,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:07:23,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:07:23,742 INFO L87 Difference]: Start difference. First operand has 84 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:07:23,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:07:23,773 INFO L93 Difference]: Finished difference Result 161 states and 284 transitions. [2024-12-02 13:07:23,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:07:23,775 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2024-12-02 13:07:23,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:07:23,782 INFO L225 Difference]: With dead ends: 161 [2024-12-02 13:07:23,782 INFO L226 Difference]: Without dead ends: 80 [2024-12-02 13:07:23,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:07:23,789 INFO L435 NwaCegarLoop]: 126 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, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 13:07:23,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:07:23,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-12-02 13:07:23,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-12-02 13:07:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 13:07:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2024-12-02 13:07:23,831 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 160 [2024-12-02 13:07:23,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:07:23,832 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2024-12-02 13:07:23,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:07:23,832 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2024-12-02 13:07:23,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 13:07:23,836 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:07:23,837 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:07:23,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 13:07:24,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:07:24,038 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:07:24,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:07:24,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1644456530, now seen corresponding path program 1 times [2024-12-02 13:07:24,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:07:24,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063213474] [2024-12-02 13:07:24,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:07:24,040 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:07:24,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:07:24,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:07:24,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 13:07:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:07:24,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 13:07:24,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:07:25,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-12-02 13:07:25,731 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:07:28,691 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:07:28,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063213474] [2024-12-02 13:07:28,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063213474] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:07:28,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2080123449] [2024-12-02 13:07:28,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:07:28,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:07:28,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:07:28,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:07:28,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-02 13:07:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:07:29,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 13:07:29,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:07:33,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 598 proven. 126 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-12-02 13:07:33,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:07:48,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2080123449] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:07:48,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:07:48,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 17 [2024-12-02 13:07:48,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708918935] [2024-12-02 13:07:48,419 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:07:48,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-12-02 13:07:48,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:07:48,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-12-02 13:07:48,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2024-12-02 13:07:48,422 INFO L87 Difference]: Start difference. First operand 80 states and 126 transitions. Second operand has 17 states, 17 states have (on average 5.176470588235294) internal successors, (88), 17 states have internal predecessors, (88), 5 states have call successors, (39), 5 states have call predecessors, (39), 8 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) [2024-12-02 13:07:55,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:07:59,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:08:57,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:01,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:01,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:09:01,288 INFO L93 Difference]: Finished difference Result 547 states and 798 transitions. [2024-12-02 13:09:01,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-12-02 13:09:01,290 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.176470588235294) internal successors, (88), 17 states have internal predecessors, (88), 5 states have call successors, (39), 5 states have call predecessors, (39), 8 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) Word has length 160 [2024-12-02 13:09:01,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:09:01,294 INFO L225 Difference]: With dead ends: 547 [2024-12-02 13:09:01,294 INFO L226 Difference]: Without dead ends: 470 [2024-12-02 13:09:01,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 352 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2140 ImplicationChecksByTransitivity, 31.5s TimeCoverageRelationStatistics Valid=1500, Invalid=5640, Unknown=0, NotChecked=0, Total=7140 [2024-12-02 13:09:01,298 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 658 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 185 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 1927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:09:01,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 1044 Invalid, 1927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 1738 Invalid, 4 Unknown, 0 Unchecked, 54.5s Time] [2024-12-02 13:09:01,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-12-02 13:09:01,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 300. [2024-12-02 13:09:01,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 223 states have (on average 1.4215246636771302) internal successors, (317), 225 states have internal predecessors, (317), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-12-02 13:09:01,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 445 transitions. [2024-12-02 13:09:01,370 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 445 transitions. Word has length 160 [2024-12-02 13:09:01,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:09:01,372 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 445 transitions. [2024-12-02 13:09:01,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.176470588235294) internal successors, (88), 17 states have internal predecessors, (88), 5 states have call successors, (39), 5 states have call predecessors, (39), 8 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) [2024-12-02 13:09:01,372 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 445 transitions. [2024-12-02 13:09:01,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-02 13:09:01,376 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:09:01,376 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:09:01,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-02 13:09:01,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 13:09:01,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:09:01,777 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:09:01,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:09:01,778 INFO L85 PathProgramCache]: Analyzing trace with hash -365222738, now seen corresponding path program 1 times [2024-12-02 13:09:01,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:09:01,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490040420] [2024-12-02 13:09:01,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:09:01,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:09:01,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:09:01,781 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:09:01,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 13:09:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:09:01,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 13:09:01,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:09:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-12-02 13:09:04,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:09:05,127 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:09:05,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490040420] [2024-12-02 13:09:05,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [490040420] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:09:05,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1027287642] [2024-12-02 13:09:05,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:09:05,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:09:05,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:09:05,130 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:09:05,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-02 13:09:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:09:06,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 13:09:06,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:09:08,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-12-02 13:09:08,142 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:09:08,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1027287642] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:09:08,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:09:08,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2024-12-02 13:09:08,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029494402] [2024-12-02 13:09:08,415 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:09:08,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:09:08,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:09:08,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:09:08,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-12-02 13:09:08,418 INFO L87 Difference]: Start difference. First operand 300 states and 445 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:09:12,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 13:09:17,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:09:17,404 INFO L93 Difference]: Finished difference Result 737 states and 1054 transitions. [2024-12-02 13:09:17,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-12-02 13:09:17,405 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 160 [2024-12-02 13:09:17,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:09:17,410 INFO L225 Difference]: With dead ends: 737 [2024-12-02 13:09:17,410 INFO L226 Difference]: Without dead ends: 527 [2024-12-02 13:09:17,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=248, Invalid=682, Unknown=0, NotChecked=0, Total=930 [2024-12-02 13:09:17,412 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 238 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:09:17,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 736 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-12-02 13:09:17,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2024-12-02 13:09:17,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 460. [2024-12-02 13:09:17,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 331 states have (on average 1.3474320241691844) internal successors, (446), 335 states have internal predecessors, (446), 104 states have call successors, (104), 24 states have call predecessors, (104), 24 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2024-12-02 13:09:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 654 transitions. [2024-12-02 13:09:17,506 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 654 transitions. Word has length 160 [2024-12-02 13:09:17,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:09:17,506 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 654 transitions. [2024-12-02 13:09:17,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 3 states have call successors, (24), 3 states have call predecessors, (24), 5 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 13:09:17,507 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 654 transitions. [2024-12-02 13:09:17,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 13:09:17,510 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:09:17,510 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:09:17,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-02 13:09:17,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 13:09:17,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:09:17,911 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:09:17,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:09:17,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1168211566, now seen corresponding path program 1 times [2024-12-02 13:09:17,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:09:17,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [744131796] [2024-12-02 13:09:17,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:09:17,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:09:17,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:09:17,914 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:09:17,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 13:09:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:09:18,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 13:09:18,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:09:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-12-02 13:09:18,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:09:18,767 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:09:18,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [744131796] [2024-12-02 13:09:18,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [744131796] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:09:18,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [92239470] [2024-12-02 13:09:18,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:09:18,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 13:09:18,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 13:09:18,770 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 13:09:18,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-02 13:09:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:09:19,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:09:19,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:09:19,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-12-02 13:09:19,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:09:19,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [92239470] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:09:19,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:09:19,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-12-02 13:09:19,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359123089] [2024-12-02 13:09:19,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:09:19,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:09:19,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:09:19,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:09:20,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:09:20,000 INFO L87 Difference]: Start difference. First operand 460 states and 654 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:09:20,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:09:20,929 INFO L93 Difference]: Finished difference Result 949 states and 1334 transitions. [2024-12-02 13:09:20,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 13:09:20,931 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2024-12-02 13:09:20,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:09:20,936 INFO L225 Difference]: With dead ends: 949 [2024-12-02 13:09:20,936 INFO L226 Difference]: Without dead ends: 492 [2024-12-02 13:09:20,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:09:20,939 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 71 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 13:09:20,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 233 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 13:09:20,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-12-02 13:09:21,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 472. [2024-12-02 13:09:21,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 340 states have (on average 1.2911764705882354) internal successors, (439), 344 states have internal predecessors, (439), 104 states have call successors, (104), 27 states have call predecessors, (104), 27 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2024-12-02 13:09:21,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 647 transitions. [2024-12-02 13:09:21,023 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 647 transitions. Word has length 161 [2024-12-02 13:09:21,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:09:21,024 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 647 transitions. [2024-12-02 13:09:21,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 13:09:21,025 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 647 transitions. [2024-12-02 13:09:21,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 13:09:21,027 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:09:21,028 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:09:21,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 13:09:21,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-02 13:09:21,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 13:09:21,429 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:09:21,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:09:21,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1718303949, now seen corresponding path program 1 times [2024-12-02 13:09:21,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:09:21,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277110885] [2024-12-02 13:09:21,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:09:21,430 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:09:21,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:09:21,432 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:09:21,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 13:09:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:09:21,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 13:09:21,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:09:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 335 proven. 57 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2024-12-02 13:09:22,575 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:09:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-12-02 13:09:23,577 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:09:23,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277110885] [2024-12-02 13:09:23,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277110885] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:09:23,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 13:09:23,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-12-02 13:09:23,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773183697] [2024-12-02 13:09:23,577 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 13:09:23,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 13:09:23,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:09:23,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 13:09:23,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-12-02 13:09:23,578 INFO L87 Difference]: Start difference. First operand 472 states and 647 transitions. Second operand has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 13:09:25,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:09:25,045 INFO L93 Difference]: Finished difference Result 855 states and 1124 transitions. [2024-12-02 13:09:25,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 13:09:25,051 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 161 [2024-12-02 13:09:25,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:09:25,055 INFO L225 Difference]: With dead ends: 855 [2024-12-02 13:09:25,055 INFO L226 Difference]: Without dead ends: 386 [2024-12-02 13:09:25,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-12-02 13:09:25,057 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 105 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:09:25,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 334 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-12-02 13:09:25,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-12-02 13:09:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 219. [2024-12-02 13:09:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 141 states have (on average 1.127659574468085) internal successors, (159), 143 states have internal predecessors, (159), 58 states have call successors, (58), 19 states have call predecessors, (58), 19 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-12-02 13:09:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 275 transitions. [2024-12-02 13:09:25,113 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 275 transitions. Word has length 161 [2024-12-02 13:09:25,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:09:25,114 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 275 transitions. [2024-12-02 13:09:25,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2024-12-02 13:09:25,114 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 275 transitions. [2024-12-02 13:09:25,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-12-02 13:09:25,115 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:09:25,116 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:09:25,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-12-02 13:09:25,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:09:25,316 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:09:25,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:09:25,317 INFO L85 PathProgramCache]: Analyzing trace with hash 669473367, now seen corresponding path program 1 times [2024-12-02 13:09:25,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:09:25,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1712186536] [2024-12-02 13:09:25,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:09:25,318 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 13:09:25,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:09:25,319 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 13:09:25,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06f0b90a-b6e8-4604-a3fc-dba002f08560/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 13:09:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:09:25,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 13:09:25,586 INFO L279 TraceCheckSpWp]: Computing forward predicates...