./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 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/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_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e47d94c12124cf4b862c2f881009fef36c28832c985456c790d3472927c1d0c5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:43:40,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:43:40,689 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:43:40,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:43:40,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:43:40,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:43:40,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:43:40,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:43:40,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:43:40,744 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:43:40,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:43:40,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:43:40,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:43:40,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:43:40,745 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:43:40,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:43:40,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:43:40,746 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:43:40,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:43:40,746 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:43:40,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:43:40,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:43:40,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:43:40,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:43:40,746 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:43:40,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:43:40,747 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:43:40,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:43:40,747 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:43:40,747 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:43:40,747 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:43:40,747 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:43:40,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:43:40,747 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:43:40,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:43:40,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:43:40,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:43:40,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:43:40,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:43:40,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:43:40,748 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:43:40,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:43:40,749 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:43:40,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:43:40,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:43:40,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:43:40,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:43:40,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:43:40,751 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_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e47d94c12124cf4b862c2f881009fef36c28832c985456c790d3472927c1d0c5 [2024-11-24 00:43:41,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:43:41,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:43:41,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:43:41,131 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:43:41,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:43:41,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2024-11-24 00:43:44,302 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/data/3ffe0b33c/13ec9598c0344ac694e54045ce6ca150/FLAGebe6b0ef0 [2024-11-24 00:43:44,583 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:43:44,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2024-11-24 00:43:44,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/data/3ffe0b33c/13ec9598c0344ac694e54045ce6ca150/FLAGebe6b0ef0 [2024-11-24 00:43:44,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/data/3ffe0b33c/13ec9598c0344ac694e54045ce6ca150 [2024-11-24 00:43:44,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:43:44,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:43:44,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:43:44,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:43:44,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:43:44,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:43:44" (1/1) ... [2024-11-24 00:43:44,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4454a247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:44, skipping insertion in model container [2024-11-24 00:43:44,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:43:44" (1/1) ... [2024-11-24 00:43:44,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:43:44,872 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_f21b6143-c7e7-4a25-b5a9-d277fa572734/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i[919,932] [2024-11-24 00:43:44,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:43:44,973 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:43:44,984 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_f21b6143-c7e7-4a25-b5a9-d277fa572734/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i[919,932] [2024-11-24 00:43:45,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:43:45,041 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:43:45,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45 WrapperNode [2024-11-24 00:43:45,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:43:45,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:43:45,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:43:45,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:43:45,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,126 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2024-11-24 00:43:45,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:43:45,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:43:45,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:43:45,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:43:45,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,141 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,162 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:43:45,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,191 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,202 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:43:45,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:43:45,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:43:45,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:43:45,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (1/1) ... [2024-11-24 00:43:45,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:43:45,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:43:45,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:43:45,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:43:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:43:45,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:43:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:43:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:43:45,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:43:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:43:45,382 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:43:45,385 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:43:45,851 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-24 00:43:45,852 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:43:45,864 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:43:45,864 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:43:45,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:43:45 BoogieIcfgContainer [2024-11-24 00:43:45,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:43:45,868 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:43:45,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:43:45,874 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:43:45,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:43:44" (1/3) ... [2024-11-24 00:43:45,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa35720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:43:45, skipping insertion in model container [2024-11-24 00:43:45,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:43:45" (2/3) ... [2024-11-24 00:43:45,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa35720 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:43:45, skipping insertion in model container [2024-11-24 00:43:45,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:43:45" (3/3) ... [2024-11-24 00:43:45,878 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2024-11-24 00:43:45,895 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:43:45,897 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. [2024-11-24 00:43:45,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:43:45,999 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;@19af925b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:43:45,999 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:43:46,004 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) [2024-11-24 00:43:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-24 00:43:46,023 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:43:46,024 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] [2024-11-24 00:43:46,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:43:46,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:43:46,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1238318862, now seen corresponding path program 1 times [2024-11-24 00:43:46,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:43:46,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402657224] [2024-11-24 00:43:46,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:43:46,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:43:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:43:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-11-24 00:43:46,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:43:46,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402657224] [2024-11-24 00:43:46,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402657224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:43:46,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865757874] [2024-11-24 00:43:46,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:43:46,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:43:46,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:43:46,483 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:43:46,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:43:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:43:46,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:43:46,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:43:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-11-24 00:43:46,787 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:43:46,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865757874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:43:46,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:43:46,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:43:46,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308866795] [2024-11-24 00:43:46,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:43:46,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:43:46,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:43:46,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:43:46,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:43:46,828 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) [2024-11-24 00:43:46,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:43:46,884 INFO L93 Difference]: Finished difference Result 161 states and 284 transitions. [2024-11-24 00:43:46,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:43:46,887 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 [2024-11-24 00:43:46,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:43:46,897 INFO L225 Difference]: With dead ends: 161 [2024-11-24 00:43:46,897 INFO L226 Difference]: Without dead ends: 80 [2024-11-24 00:43:46,901 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 [2024-11-24 00:43:46,906 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 [2024-11-24 00:43:46,907 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] [2024-11-24 00:43:46,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-24 00:43:46,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-24 00:43:46,958 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) [2024-11-24 00:43:46,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2024-11-24 00:43:46,969 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 160 [2024-11-24 00:43:46,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:43:46,971 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2024-11-24 00:43:46,972 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) [2024-11-24 00:43:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2024-11-24 00:43:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-24 00:43:46,977 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:43:46,977 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] [2024-11-24 00:43:46,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:43:47,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:43:47,178 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:43:47,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:43:47,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1644456530, now seen corresponding path program 1 times [2024-11-24 00:43:47,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:43:47,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257433909] [2024-11-24 00:43:47,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:43:47,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:43:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:44:07,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:44:07,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:44:07,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257433909] [2024-11-24 00:44:07,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257433909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:44:07,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:44:07,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-24 00:44:07,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412263734] [2024-11-24 00:44:07,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:44:07,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-24 00:44:07,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:44:07,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-24 00:44:07,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:44:07,223 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) [2024-11-24 00:44:15,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:44:15,050 INFO L93 Difference]: Finished difference Result 397 states and 607 transitions. [2024-11-24 00:44:15,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-24 00:44:15,051 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 [2024-11-24 00:44:15,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:44:15,055 INFO L225 Difference]: With dead ends: 397 [2024-11-24 00:44:15,055 INFO L226 Difference]: Without dead ends: 320 [2024-11-24 00:44:15,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=451, Invalid=1189, Unknown=0, NotChecked=0, Total=1640 [2024-11-24 00:44:15,058 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 2036 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s 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, 3.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:44:15,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2036 Valid, 466 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-24 00:44:15,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-24 00:44:15,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 180. [2024-11-24 00:44:15,102 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) [2024-11-24 00:44:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 274 transitions. [2024-11-24 00:44:15,109 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 274 transitions. Word has length 160 [2024-11-24 00:44:15,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:44:15,110 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 274 transitions. [2024-11-24 00:44:15,110 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) [2024-11-24 00:44:15,110 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 274 transitions. [2024-11-24 00:44:15,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-24 00:44:15,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:44:15,113 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] [2024-11-24 00:44:15,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:44:15,114 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:44:15,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:44:15,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1386291092, now seen corresponding path program 1 times [2024-11-24 00:44:15,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:44:15,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937543660] [2024-11-24 00:44:15,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:44:15,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:44:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:44:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:44:46,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:44:46,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937543660] [2024-11-24 00:44:46,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937543660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:44:46,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:44:46,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 00:44:46,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980132530] [2024-11-24 00:44:46,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:44:46,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 00:44:46,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:44:46,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 00:44:46,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:44:46,266 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) [2024-11-24 00:44:48,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:44:48,158 INFO L93 Difference]: Finished difference Result 282 states and 411 transitions. [2024-11-24 00:44:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 00:44:48,159 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 [2024-11-24 00:44:48,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:44:48,162 INFO L225 Difference]: With dead ends: 282 [2024-11-24 00:44:48,162 INFO L226 Difference]: Without dead ends: 280 [2024-11-24 00:44:48,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=94, Invalid=212, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:44:48,163 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 [2024-11-24 00:44:48,163 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] [2024-11-24 00:44:48,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-24 00:44:48,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 182. [2024-11-24 00:44:48,195 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) [2024-11-24 00:44:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 278 transitions. [2024-11-24 00:44:48,197 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 278 transitions. Word has length 160 [2024-11-24 00:44:48,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:44:48,198 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 278 transitions. [2024-11-24 00:44:48,198 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) [2024-11-24 00:44:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 278 transitions. [2024-11-24 00:44:48,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-24 00:44:48,201 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:44:48,201 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] [2024-11-24 00:44:48,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:44:48,202 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:44:48,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:44:48,202 INFO L85 PathProgramCache]: Analyzing trace with hash -623388176, now seen corresponding path program 1 times [2024-11-24 00:44:48,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:44:48,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816496715] [2024-11-24 00:44:48,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:44:48,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:44:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:44:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:44:54,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:44:54,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816496715] [2024-11-24 00:44:54,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816496715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:44:54,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:44:54,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-24 00:44:54,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043990704] [2024-11-24 00:44:54,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:44:54,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-24 00:44:54,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:44:54,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-24 00:44:54,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:44:54,454 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) [2024-11-24 00:44:58,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:44:58,246 INFO L93 Difference]: Finished difference Result 495 states and 740 transitions. [2024-11-24 00:44:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:44:58,247 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 [2024-11-24 00:44:58,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:44:58,250 INFO L225 Difference]: With dead ends: 495 [2024-11-24 00:44:58,250 INFO L226 Difference]: Without dead ends: 316 [2024-11-24 00:44:58,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=262, Invalid=730, Unknown=0, NotChecked=0, Total=992 [2024-11-24 00:44:58,252 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 1050 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:44:58,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 476 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-24 00:44:58,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-24 00:44:58,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 198. [2024-11-24 00:44:58,277 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) [2024-11-24 00:44:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 302 transitions. [2024-11-24 00:44:58,279 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 302 transitions. Word has length 160 [2024-11-24 00:44:58,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:44:58,280 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 302 transitions. [2024-11-24 00:44:58,280 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) [2024-11-24 00:44:58,280 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 302 transitions. [2024-11-24 00:44:58,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-24 00:44:58,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:44:58,283 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] [2024-11-24 00:44:58,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:44:58,283 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:44:58,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:44:58,284 INFO L85 PathProgramCache]: Analyzing trace with hash -365222738, now seen corresponding path program 1 times [2024-11-24 00:44:58,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:44:58,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371067385] [2024-11-24 00:44:58,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:44:58,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:44:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:45:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:45:04,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:45:04,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371067385] [2024-11-24 00:45:04,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371067385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:45:04,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:45:04,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 00:45:04,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412594299] [2024-11-24 00:45:04,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:45:04,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 00:45:04,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:45:04,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 00:45:04,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:45:04,286 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) [2024-11-24 00:45:07,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:45:07,473 INFO L93 Difference]: Finished difference Result 316 states and 461 transitions. [2024-11-24 00:45:07,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 00:45:07,473 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 [2024-11-24 00:45:07,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:45:07,476 INFO L225 Difference]: With dead ends: 316 [2024-11-24 00:45:07,476 INFO L226 Difference]: Without dead ends: 314 [2024-11-24 00:45:07,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:45:07,477 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 399 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 2.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:45:07,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 735 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-24 00:45:07,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-24 00:45:07,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 196. [2024-11-24 00:45:07,500 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) [2024-11-24 00:45:07,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 300 transitions. [2024-11-24 00:45:07,502 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 300 transitions. Word has length 160 [2024-11-24 00:45:07,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:45:07,503 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 300 transitions. [2024-11-24 00:45:07,503 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) [2024-11-24 00:45:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 300 transitions. [2024-11-24 00:45:07,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-24 00:45:07,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:45:07,506 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] [2024-11-24 00:45:07,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:45:07,506 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:45:07,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:45:07,507 INFO L85 PathProgramCache]: Analyzing trace with hash 961567024, now seen corresponding path program 1 times [2024-11-24 00:45:07,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:45:07,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856286484] [2024-11-24 00:45:07,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:45:07,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:45:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:45:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:45:07,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:45:07,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856286484] [2024-11-24 00:45:07,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856286484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:45:07,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:45:07,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:45:07,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244445760] [2024-11-24 00:45:07,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:45:07,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:45:07,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:45:07,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:45:07,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:45:07,576 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) [2024-11-24 00:45:07,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:45:07,661 INFO L93 Difference]: Finished difference Result 508 states and 779 transitions. [2024-11-24 00:45:07,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:45:07,662 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 [2024-11-24 00:45:07,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:45:07,666 INFO L225 Difference]: With dead ends: 508 [2024-11-24 00:45:07,666 INFO L226 Difference]: Without dead ends: 315 [2024-11-24 00:45:07,667 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 [2024-11-24 00:45:07,668 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 [2024-11-24 00:45:07,668 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] [2024-11-24 00:45:07,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-24 00:45:07,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 313. [2024-11-24 00:45:07,717 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) [2024-11-24 00:45:07,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 467 transitions. [2024-11-24 00:45:07,720 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 467 transitions. Word has length 160 [2024-11-24 00:45:07,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:45:07,721 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 467 transitions. [2024-11-24 00:45:07,721 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) [2024-11-24 00:45:07,721 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 467 transitions. [2024-11-24 00:45:07,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-24 00:45:07,724 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:45:07,724 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] [2024-11-24 00:45:07,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:45:07,724 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:45:07,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:45:07,725 INFO L85 PathProgramCache]: Analyzing trace with hash -318296654, now seen corresponding path program 1 times [2024-11-24 00:45:07,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:45:07,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882513119] [2024-11-24 00:45:07,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:45:07,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:45:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:45:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:45:15,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:45:15,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882513119] [2024-11-24 00:45:15,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882513119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:45:15,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:45:15,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 00:45:15,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989892291] [2024-11-24 00:45:15,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:45:15,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:45:15,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:45:15,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:45:15,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:45:15,440 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) [2024-11-24 00:45:19,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:45:19,532 INFO L93 Difference]: Finished difference Result 941 states and 1371 transitions. [2024-11-24 00:45:19,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:45:19,533 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 [2024-11-24 00:45:19,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:45:19,537 INFO L225 Difference]: With dead ends: 941 [2024-11-24 00:45:19,537 INFO L226 Difference]: Without dead ends: 631 [2024-11-24 00:45:19,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2024-11-24 00:45:19,539 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, 2.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:45:19,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 895 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-24 00:45:19,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-24 00:45:19,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 515. [2024-11-24 00:45:19,621 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) [2024-11-24 00:45:19,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 760 transitions. [2024-11-24 00:45:19,625 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 760 transitions. Word has length 160 [2024-11-24 00:45:19,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:45:19,626 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 760 transitions. [2024-11-24 00:45:19,626 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) [2024-11-24 00:45:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 760 transitions. [2024-11-24 00:45:19,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-24 00:45:19,628 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:45:19,628 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] [2024-11-24 00:45:19,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:45:19,629 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:45:19,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:45:19,629 INFO L85 PathProgramCache]: Analyzing trace with hash 702771700, now seen corresponding path program 1 times [2024-11-24 00:45:19,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:45:19,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793681808] [2024-11-24 00:45:19,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:45:19,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:45:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:45:19,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:45:19,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:45:19,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793681808] [2024-11-24 00:45:19,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793681808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:45:19,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:45:19,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:45:19,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596380161] [2024-11-24 00:45:19,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:45:19,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:45:19,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:45:19,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:45:19,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:45:19,773 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) [2024-11-24 00:45:20,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:45:20,173 INFO L93 Difference]: Finished difference Result 1043 states and 1527 transitions. [2024-11-24 00:45:20,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:45:20,173 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 [2024-11-24 00:45:20,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:45:20,180 INFO L225 Difference]: With dead ends: 1043 [2024-11-24 00:45:20,180 INFO L226 Difference]: Without dead ends: 589 [2024-11-24 00:45:20,181 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 [2024-11-24 00:45:20,182 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 [2024-11-24 00:45:20,182 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] [2024-11-24 00:45:20,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-24 00:45:20,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 521. [2024-11-24 00:45:20,287 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) [2024-11-24 00:45:20,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 765 transitions. [2024-11-24 00:45:20,291 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 765 transitions. Word has length 160 [2024-11-24 00:45:20,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:45:20,292 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 765 transitions. [2024-11-24 00:45:20,292 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) [2024-11-24 00:45:20,292 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 765 transitions. [2024-11-24 00:45:20,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-24 00:45:20,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:45:20,295 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] [2024-11-24 00:45:20,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:45:20,296 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:45:20,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:45:20,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1832862316, now seen corresponding path program 1 times [2024-11-24 00:45:20,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:45:20,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066643638] [2024-11-24 00:45:20,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:45:20,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:45:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:45:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:45:20,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:45:20,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066643638] [2024-11-24 00:45:20,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066643638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:45:20,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:45:20,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:45:20,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444865520] [2024-11-24 00:45:20,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:45:20,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:45:20,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:45:20,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:45:20,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:45:20,660 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) [2024-11-24 00:45:21,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:45:21,160 INFO L93 Difference]: Finished difference Result 1029 states and 1489 transitions. [2024-11-24 00:45:21,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:45:21,160 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 [2024-11-24 00:45:21,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:45:21,165 INFO L225 Difference]: With dead ends: 1029 [2024-11-24 00:45:21,165 INFO L226 Difference]: Without dead ends: 572 [2024-11-24 00:45:21,166 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 [2024-11-24 00:45:21,167 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:45:21,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 230 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:45:21,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-24 00:45:21,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 492. [2024-11-24 00:45:21,248 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) [2024-11-24 00:45:21,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 713 transitions. [2024-11-24 00:45:21,253 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 713 transitions. Word has length 160 [2024-11-24 00:45:21,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:45:21,253 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 713 transitions. [2024-11-24 00:45:21,253 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) [2024-11-24 00:45:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 713 transitions. [2024-11-24 00:45:21,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 00:45:21,256 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:45:21,256 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] [2024-11-24 00:45:21,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:45:21,256 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:45:21,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:45:21,257 INFO L85 PathProgramCache]: Analyzing trace with hash -358077958, now seen corresponding path program 1 times [2024-11-24 00:45:21,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:45:21,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662734174] [2024-11-24 00:45:21,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:45:21,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:45:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:45:26,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 36 proven. 96 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2024-11-24 00:45:26,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:45:26,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662734174] [2024-11-24 00:45:26,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662734174] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:45:26,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872544130] [2024-11-24 00:45:26,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:45:26,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:45:26,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:45:26,856 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:45:26,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:45:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:45:26,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-24 00:45:26,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:45:30,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 581 proven. 225 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-24 00:45:30,005 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:45:34,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 60 proven. 255 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2024-11-24 00:45:34,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872544130] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:45:34,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:45:34,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 22, 22] total 52 [2024-11-24 00:45:34,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91002855] [2024-11-24 00:45:34,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:45:34,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-24 00:45:34,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:45:34,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-24 00:45:34,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=493, Invalid=2159, Unknown=0, NotChecked=0, Total=2652 [2024-11-24 00:45:34,583 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) [2024-11-24 00:45:51,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:45:51,963 INFO L93 Difference]: Finished difference Result 2281 states and 3083 transitions. [2024-11-24 00:45:51,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-11-24 00:45:51,964 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 [2024-11-24 00:45:51,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:45:51,973 INFO L225 Difference]: With dead ends: 2281 [2024-11-24 00:45:51,973 INFO L226 Difference]: Without dead ends: 1851 [2024-11-24 00:45:51,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 475 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7876 ImplicationChecksByTransitivity, 15.0s TimeCoverageRelationStatistics Valid=5479, Invalid=20927, Unknown=0, NotChecked=0, Total=26406 [2024-11-24 00:45:51,981 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 2554 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 2786 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.8s IncrementalHoareTripleChecker+Time [2024-11-24 00:45:51,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2556 Valid, 1340 Invalid, 3199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 2786 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-24 00:45:51,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1851 states. [2024-11-24 00:45:52,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1851 to 1012. [2024-11-24 00:45:52,176 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) [2024-11-24 00:45:52,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1388 transitions. [2024-11-24 00:45:52,182 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1388 transitions. Word has length 161 [2024-11-24 00:45:52,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:45:52,182 INFO L471 AbstractCegarLoop]: Abstraction has 1012 states and 1388 transitions. [2024-11-24 00:45:52,183 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) [2024-11-24 00:45:52,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1388 transitions. [2024-11-24 00:45:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 00:45:52,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:45:52,184 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] [2024-11-24 00:45:52,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:45:52,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-24 00:45:52,385 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:45:52,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:45:52,385 INFO L85 PathProgramCache]: Analyzing trace with hash 662990396, now seen corresponding path program 1 times [2024-11-24 00:45:52,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:45:52,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323412877] [2024-11-24 00:45:52,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:45:52,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:45:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:45:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 36 proven. 96 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2024-11-24 00:45:54,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:45:54,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323412877] [2024-11-24 00:45:54,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323412877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:45:54,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995608994] [2024-11-24 00:45:54,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:45:54,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:45:54,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:45:54,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:45:54,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:45:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:45:54,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-24 00:45:54,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:45:58,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 623 proven. 174 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-11-24 00:45:58,848 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:46:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 66 proven. 192 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2024-11-24 00:46:01,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995608994] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:46:01,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:46:01,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 18, 18] total 46 [2024-11-24 00:46:01,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505338325] [2024-11-24 00:46:01,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:46:01,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-24 00:46:01,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:46:01,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-24 00:46:01,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=1768, Unknown=0, NotChecked=0, Total=2070 [2024-11-24 00:46:01,467 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) [2024-11-24 00:47:35,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:47:35,322 INFO L93 Difference]: Finished difference Result 8197 states and 10742 transitions. [2024-11-24 00:47:35,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 252 states. [2024-11-24 00:47:35,323 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 [2024-11-24 00:47:35,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:47:35,355 INFO L225 Difference]: With dead ends: 8197 [2024-11-24 00:47:35,355 INFO L226 Difference]: Without dead ends: 7259 [2024-11-24 00:47:35,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 346 SyntacticMatches, 0 SemanticMatches, 294 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35179 ImplicationChecksByTransitivity, 81.2s TimeCoverageRelationStatistics Valid=13221, Invalid=74099, Unknown=0, NotChecked=0, Total=87320 [2024-11-24 00:47:35,374 INFO L435 NwaCegarLoop]: 269 mSDtfsCounter, 4508 mSDsluCounter, 2690 mSDsCounter, 0 mSdLazyCounter, 5877 mSolverCounterSat, 1000 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s 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, 14.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:47:35,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4508 Valid, 2959 Invalid, 6877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1000 Valid, 5877 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2024-11-24 00:47:35,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7259 states. [2024-11-24 00:47:36,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7259 to 1914. [2024-11-24 00:47:36,279 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) [2024-11-24 00:47:36,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1914 states and 2638 transitions. [2024-11-24 00:47:36,287 INFO L78 Accepts]: Start accepts. Automaton has 1914 states and 2638 transitions. Word has length 161 [2024-11-24 00:47:36,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:47:36,287 INFO L471 AbstractCegarLoop]: Abstraction has 1914 states and 2638 transitions. [2024-11-24 00:47:36,288 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) [2024-11-24 00:47:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2638 transitions. [2024-11-24 00:47:36,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 00:47:36,290 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:47:36,290 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] [2024-11-24 00:47:36,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 00:47:36,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:47:36,491 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:47:36,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:47:36,491 INFO L85 PathProgramCache]: Analyzing trace with hash 2002519925, now seen corresponding path program 1 times [2024-11-24 00:47:36,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:47:36,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868519343] [2024-11-24 00:47:36,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:47:36,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:47:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:47:41,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:47:41,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:47:41,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868519343] [2024-11-24 00:47:41,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868519343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:47:41,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:47:41,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-24 00:47:41,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365148461] [2024-11-24 00:47:41,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:47:41,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 00:47:41,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:47:41,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 00:47:41,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:47:41,871 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) [2024-11-24 00:47:45,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:47:45,138 INFO L93 Difference]: Finished difference Result 4133 states and 5612 transitions. [2024-11-24 00:47:45,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:47:45,139 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 [2024-11-24 00:47:45,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:47:45,155 INFO L225 Difference]: With dead ends: 4133 [2024-11-24 00:47:45,155 INFO L226 Difference]: Without dead ends: 4131 [2024-11-24 00:47:45,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:47:45,157 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 [2024-11-24 00:47:45,158 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] [2024-11-24 00:47:45,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4131 states. [2024-11-24 00:47:46,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4131 to 3666. [2024-11-24 00:47:46,194 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) [2024-11-24 00:47:46,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3666 states to 3666 states and 5056 transitions. [2024-11-24 00:47:46,207 INFO L78 Accepts]: Start accepts. Automaton has 3666 states and 5056 transitions. Word has length 161 [2024-11-24 00:47:46,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:47:46,207 INFO L471 AbstractCegarLoop]: Abstraction has 3666 states and 5056 transitions. [2024-11-24 00:47:46,208 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) [2024-11-24 00:47:46,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3666 states and 5056 transitions. [2024-11-24 00:47:46,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 00:47:46,210 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:47:46,210 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] [2024-11-24 00:47:46,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:47:46,210 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:47:46,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:47:46,211 INFO L85 PathProgramCache]: Analyzing trace with hash -2034281933, now seen corresponding path program 1 times [2024-11-24 00:47:46,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:47:46,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780112505] [2024-11-24 00:47:46,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:47:46,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:47:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:47:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:47:50,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:47:50,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780112505] [2024-11-24 00:47:50,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780112505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:47:50,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:47:50,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-24 00:47:50,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749251115] [2024-11-24 00:47:50,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:47:50,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 00:47:50,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:47:50,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 00:47:50,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:47:50,786 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) [2024-11-24 00:47:55,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:47:55,457 INFO L93 Difference]: Finished difference Result 4131 states and 5609 transitions. [2024-11-24 00:47:55,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:47:55,458 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 [2024-11-24 00:47:55,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:47:55,474 INFO L225 Difference]: With dead ends: 4131 [2024-11-24 00:47:55,474 INFO L226 Difference]: Without dead ends: 4129 [2024-11-24 00:47:55,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:47:55,477 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 [2024-11-24 00:47:55,478 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] [2024-11-24 00:47:55,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4129 states. [2024-11-24 00:47:56,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4129 to 3664. [2024-11-24 00:47:56,922 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) [2024-11-24 00:47:56,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3664 states to 3664 states and 5053 transitions. [2024-11-24 00:47:56,933 INFO L78 Accepts]: Start accepts. Automaton has 3664 states and 5053 transitions. Word has length 161 [2024-11-24 00:47:56,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:47:56,933 INFO L471 AbstractCegarLoop]: Abstraction has 3664 states and 5053 transitions. [2024-11-24 00:47:56,933 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) [2024-11-24 00:47:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 3664 states and 5053 transitions. [2024-11-24 00:47:56,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 00:47:56,936 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:47:56,936 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] [2024-11-24 00:47:56,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:47:56,936 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:47:56,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:47:56,937 INFO L85 PathProgramCache]: Analyzing trace with hash -83699224, now seen corresponding path program 1 times [2024-11-24 00:47:56,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:47:56,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743764586] [2024-11-24 00:47:56,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:47:56,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:47:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:47:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:47:59,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:47:59,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743764586] [2024-11-24 00:47:59,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743764586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:47:59,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:47:59,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 00:47:59,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340058484] [2024-11-24 00:47:59,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:47:59,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:47:59,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:47:59,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:47:59,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 00:47:59,514 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) [2024-11-24 00:48:02,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:02,320 INFO L93 Difference]: Finished difference Result 5771 states and 7951 transitions. [2024-11-24 00:48:02,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 00:48:02,321 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 [2024-11-24 00:48:02,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:02,339 INFO L225 Difference]: With dead ends: 5771 [2024-11-24 00:48:02,339 INFO L226 Difference]: Without dead ends: 3938 [2024-11-24 00:48:02,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:48:02,344 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 452 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:02,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 624 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 00:48:02,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2024-11-24 00:48:03,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 3605. [2024-11-24 00:48:03,342 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) [2024-11-24 00:48:03,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 3605 states and 4963 transitions. [2024-11-24 00:48:03,353 INFO L78 Accepts]: Start accepts. Automaton has 3605 states and 4963 transitions. Word has length 161 [2024-11-24 00:48:03,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:03,354 INFO L471 AbstractCegarLoop]: Abstraction has 3605 states and 4963 transitions. [2024-11-24 00:48:03,354 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) [2024-11-24 00:48:03,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3605 states and 4963 transitions. [2024-11-24 00:48:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 00:48:03,356 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:03,356 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] [2024-11-24 00:48:03,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:48:03,357 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:03,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:03,358 INFO L85 PathProgramCache]: Analyzing trace with hash -670505238, now seen corresponding path program 1 times [2024-11-24 00:48:03,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:03,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326445251] [2024-11-24 00:48:03,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:03,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:05,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:48:05,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:48:05,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326445251] [2024-11-24 00:48:05,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326445251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:48:05,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:48:05,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 00:48:05,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486779693] [2024-11-24 00:48:05,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:48:05,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:48:05,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:48:05,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:48:05,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 00:48:05,005 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) [2024-11-24 00:48:07,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:07,961 INFO L93 Difference]: Finished difference Result 6676 states and 9122 transitions. [2024-11-24 00:48:07,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:48:07,962 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 [2024-11-24 00:48:07,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:07,998 INFO L225 Difference]: With dead ends: 6676 [2024-11-24 00:48:07,998 INFO L226 Difference]: Without dead ends: 4868 [2024-11-24 00:48:08,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:48:08,003 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 [2024-11-24 00:48:08,003 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] [2024-11-24 00:48:08,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4868 states. [2024-11-24 00:48:09,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4868 to 4574. [2024-11-24 00:48:09,734 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) [2024-11-24 00:48:09,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4574 states to 4574 states and 6235 transitions. [2024-11-24 00:48:09,746 INFO L78 Accepts]: Start accepts. Automaton has 4574 states and 6235 transitions. Word has length 161 [2024-11-24 00:48:09,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:09,746 INFO L471 AbstractCegarLoop]: Abstraction has 4574 states and 6235 transitions. [2024-11-24 00:48:09,746 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) [2024-11-24 00:48:09,747 INFO L276 IsEmpty]: Start isEmpty. Operand 4574 states and 6235 transitions. [2024-11-24 00:48:09,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 00:48:09,749 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:09,749 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] [2024-11-24 00:48:09,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:48:09,749 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:09,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:09,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1718303949, now seen corresponding path program 1 times [2024-11-24 00:48:09,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:09,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740145131] [2024-11-24 00:48:09,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:09,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:10,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:48:10,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:48:10,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740145131] [2024-11-24 00:48:10,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740145131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:48:10,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:48:10,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 00:48:10,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239890824] [2024-11-24 00:48:10,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:48:10,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:48:10,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:48:10,777 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:48:10,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:48:10,777 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) [2024-11-24 00:48:15,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:15,634 INFO L93 Difference]: Finished difference Result 8886 states and 11838 transitions. [2024-11-24 00:48:15,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:48:15,635 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 [2024-11-24 00:48:15,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:15,661 INFO L225 Difference]: With dead ends: 8886 [2024-11-24 00:48:15,661 INFO L226 Difference]: Without dead ends: 7557 [2024-11-24 00:48:15,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:48:15,667 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 [2024-11-24 00:48:15,667 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] [2024-11-24 00:48:15,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7557 states. [2024-11-24 00:48:17,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7557 to 4274. [2024-11-24 00:48:17,176 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) [2024-11-24 00:48:17,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4274 states to 4274 states and 5763 transitions. [2024-11-24 00:48:17,186 INFO L78 Accepts]: Start accepts. Automaton has 4274 states and 5763 transitions. Word has length 161 [2024-11-24 00:48:17,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:17,187 INFO L471 AbstractCegarLoop]: Abstraction has 4274 states and 5763 transitions. [2024-11-24 00:48:17,187 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) [2024-11-24 00:48:17,188 INFO L276 IsEmpty]: Start isEmpty. Operand 4274 states and 5763 transitions. [2024-11-24 00:48:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:48:17,189 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:17,189 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] [2024-11-24 00:48:17,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 00:48:17,190 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:17,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:17,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1316919648, now seen corresponding path program 1 times [2024-11-24 00:48:17,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:17,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331283179] [2024-11-24 00:48:17,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:17,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:17,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-24 00:48:17,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:48:17,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331283179] [2024-11-24 00:48:17,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331283179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:48:17,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159612033] [2024-11-24 00:48:17,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:17,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:48:17,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:48:17,423 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:48:17,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 00:48:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:17,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 00:48:17,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:48:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 12 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2024-11-24 00:48:17,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:48:18,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-24 00:48:18,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159612033] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:48:18,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:48:18,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2024-11-24 00:48:18,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643204806] [2024-11-24 00:48:18,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:48:18,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-24 00:48:18,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:48:18,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-24 00:48:18,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:48:18,208 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) [2024-11-24 00:48:25,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:25,751 INFO L93 Difference]: Finished difference Result 18456 states and 23661 transitions. [2024-11-24 00:48:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-24 00:48:25,752 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 [2024-11-24 00:48:25,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:25,801 INFO L225 Difference]: With dead ends: 18456 [2024-11-24 00:48:25,801 INFO L226 Difference]: Without dead ends: 14263 [2024-11-24 00:48:25,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=677, Invalid=1579, Unknown=0, NotChecked=0, Total=2256 [2024-11-24 00:48:25,812 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 460 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:25,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 499 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [455 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-24 00:48:25,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14263 states. [2024-11-24 00:48:27,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14263 to 4538. [2024-11-24 00:48:27,608 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) [2024-11-24 00:48:27,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4538 states to 4538 states and 5903 transitions. [2024-11-24 00:48:27,624 INFO L78 Accepts]: Start accepts. Automaton has 4538 states and 5903 transitions. Word has length 162 [2024-11-24 00:48:27,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:27,624 INFO L471 AbstractCegarLoop]: Abstraction has 4538 states and 5903 transitions. [2024-11-24 00:48:27,625 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) [2024-11-24 00:48:27,625 INFO L276 IsEmpty]: Start isEmpty. Operand 4538 states and 5903 transitions. [2024-11-24 00:48:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:48:27,627 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:27,627 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] [2024-11-24 00:48:27,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 00:48:27,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-24 00:48:27,828 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:27,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:27,829 INFO L85 PathProgramCache]: Analyzing trace with hash -38293971, now seen corresponding path program 1 times [2024-11-24 00:48:27,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:27,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876506818] [2024-11-24 00:48:27,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:27,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:48:30,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:48:30,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876506818] [2024-11-24 00:48:30,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876506818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:48:30,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:48:30,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 00:48:30,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697573105] [2024-11-24 00:48:30,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:48:30,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:48:30,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:48:30,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:48:30,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:48:30,509 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) [2024-11-24 00:48:34,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:34,411 INFO L93 Difference]: Finished difference Result 5171 states and 6632 transitions. [2024-11-24 00:48:34,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 00:48:34,412 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 [2024-11-24 00:48:34,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:34,431 INFO L225 Difference]: With dead ends: 5171 [2024-11-24 00:48:34,431 INFO L226 Difference]: Without dead ends: 5169 [2024-11-24 00:48:34,434 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 [2024-11-24 00:48:34,434 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 373 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:34,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 917 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-24 00:48:34,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5169 states. [2024-11-24 00:48:36,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5169 to 4569. [2024-11-24 00:48:36,307 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) [2024-11-24 00:48:36,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4569 states to 4569 states and 5942 transitions. [2024-11-24 00:48:36,321 INFO L78 Accepts]: Start accepts. Automaton has 4569 states and 5942 transitions. Word has length 162 [2024-11-24 00:48:36,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:36,322 INFO L471 AbstractCegarLoop]: Abstraction has 4569 states and 5942 transitions. [2024-11-24 00:48:36,322 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) [2024-11-24 00:48:36,322 INFO L276 IsEmpty]: Start isEmpty. Operand 4569 states and 5942 transitions. [2024-11-24 00:48:36,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:48:36,324 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:36,324 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] [2024-11-24 00:48:36,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 00:48:36,324 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:36,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:36,325 INFO L85 PathProgramCache]: Analyzing trace with hash 219871467, now seen corresponding path program 1 times [2024-11-24 00:48:36,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:36,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085895078] [2024-11-24 00:48:36,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:36,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:40,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:48:40,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:48:40,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085895078] [2024-11-24 00:48:40,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085895078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:48:40,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:48:40,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-24 00:48:40,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426763220] [2024-11-24 00:48:40,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:48:40,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-24 00:48:40,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:48:40,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-24 00:48:40,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:48:40,324 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) [2024-11-24 00:48:44,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:44,940 INFO L93 Difference]: Finished difference Result 5037 states and 6470 transitions. [2024-11-24 00:48:44,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 00:48:44,941 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 [2024-11-24 00:48:44,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:44,957 INFO L225 Difference]: With dead ends: 5037 [2024-11-24 00:48:44,958 INFO L226 Difference]: Without dead ends: 5035 [2024-11-24 00:48:44,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2024-11-24 00:48:44,960 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 406 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:48:44,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 820 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-24 00:48:44,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5035 states. [2024-11-24 00:48:46,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5035 to 4588. [2024-11-24 00:48:46,645 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) [2024-11-24 00:48:46,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4588 states to 4588 states and 5967 transitions. [2024-11-24 00:48:46,658 INFO L78 Accepts]: Start accepts. Automaton has 4588 states and 5967 transitions. Word has length 162 [2024-11-24 00:48:46,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:46,659 INFO L471 AbstractCegarLoop]: Abstraction has 4588 states and 5967 transitions. [2024-11-24 00:48:46,659 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) [2024-11-24 00:48:46,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4588 states and 5967 transitions. [2024-11-24 00:48:46,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:48:46,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:46,661 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] [2024-11-24 00:48:46,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 00:48:46,662 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:46,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:46,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1810027627, now seen corresponding path program 1 times [2024-11-24 00:48:46,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:46,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174150917] [2024-11-24 00:48:46,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:46,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:48:49,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:48:49,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:48:49,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174150917] [2024-11-24 00:48:49,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174150917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:48:49,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:48:49,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 00:48:49,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198053924] [2024-11-24 00:48:49,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:48:49,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:48:49,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:48:49,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:48:49,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:48:49,902 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) [2024-11-24 00:48:55,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:48:55,227 INFO L93 Difference]: Finished difference Result 8656 states and 11204 transitions. [2024-11-24 00:48:55,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-24 00:48:55,228 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 [2024-11-24 00:48:55,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:48:55,246 INFO L225 Difference]: With dead ends: 8656 [2024-11-24 00:48:55,246 INFO L226 Difference]: Without dead ends: 6253 [2024-11-24 00:48:55,253 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 [2024-11-24 00:48:55,253 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 [2024-11-24 00:48:55,254 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] [2024-11-24 00:48:55,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6253 states. [2024-11-24 00:48:57,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6253 to 4606. [2024-11-24 00:48:57,275 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) [2024-11-24 00:48:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4606 states to 4606 states and 5995 transitions. [2024-11-24 00:48:57,290 INFO L78 Accepts]: Start accepts. Automaton has 4606 states and 5995 transitions. Word has length 162 [2024-11-24 00:48:57,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:48:57,291 INFO L471 AbstractCegarLoop]: Abstraction has 4606 states and 5995 transitions. [2024-11-24 00:48:57,291 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) [2024-11-24 00:48:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 4606 states and 5995 transitions. [2024-11-24 00:48:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:48:57,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:48:57,293 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] [2024-11-24 00:48:57,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 00:48:57,293 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:48:57,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:48:57,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1223221613, now seen corresponding path program 1 times [2024-11-24 00:48:57,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:48:57,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804887716] [2024-11-24 00:48:57,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:48:57,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:48:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:49:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:49:04,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:49:04,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804887716] [2024-11-24 00:49:04,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804887716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:49:04,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:49:04,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-24 00:49:04,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107597465] [2024-11-24 00:49:04,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:49:04,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 00:49:04,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:49:04,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 00:49:04,286 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:49:04,287 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) [2024-11-24 00:49:10,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:49:10,312 INFO L93 Difference]: Finished difference Result 9088 states and 11939 transitions. [2024-11-24 00:49:10,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 00:49:10,312 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 [2024-11-24 00:49:10,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:49:10,322 INFO L225 Difference]: With dead ends: 9088 [2024-11-24 00:49:10,322 INFO L226 Difference]: Without dead ends: 6667 [2024-11-24 00:49:10,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=120, Invalid=222, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:49:10,327 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 462 mSDsluCounter, 850 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.7s IncrementalHoareTripleChecker+Time [2024-11-24 00:49:10,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 986 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-24 00:49:10,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6667 states. [2024-11-24 00:49:12,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6667 to 4759. [2024-11-24 00:49:12,259 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) [2024-11-24 00:49:12,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 4759 states and 6226 transitions. [2024-11-24 00:49:12,269 INFO L78 Accepts]: Start accepts. Automaton has 4759 states and 6226 transitions. Word has length 162 [2024-11-24 00:49:12,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:49:12,270 INFO L471 AbstractCegarLoop]: Abstraction has 4759 states and 6226 transitions. [2024-11-24 00:49:12,270 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) [2024-11-24 00:49:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand 4759 states and 6226 transitions. [2024-11-24 00:49:12,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:49:12,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:49:12,272 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] [2024-11-24 00:49:12,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 00:49:12,272 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:49:12,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:49:12,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1089686866, now seen corresponding path program 1 times [2024-11-24 00:49:12,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:49:12,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356477352] [2024-11-24 00:49:12,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:49:12,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:49:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:49:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:49:52,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:49:52,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356477352] [2024-11-24 00:49:52,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356477352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:49:52,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:49:52,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-24 00:49:52,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257116716] [2024-11-24 00:49:52,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:49:52,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-24 00:49:52,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:49:52,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-24 00:49:52,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:49:52,976 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) [2024-11-24 00:50:05,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:50:05,391 INFO L93 Difference]: Finished difference Result 5666 states and 7367 transitions. [2024-11-24 00:50:05,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-24 00:50:05,392 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 [2024-11-24 00:50:05,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:50:05,401 INFO L225 Difference]: With dead ends: 5666 [2024-11-24 00:50:05,401 INFO L226 Difference]: Without dead ends: 5664 [2024-11-24 00:50:05,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=332, Invalid=1074, Unknown=0, NotChecked=0, Total=1406 [2024-11-24 00:50:05,404 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 774 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 2216 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s 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, 5.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:50:05,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 1112 Invalid, 2281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 2216 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2024-11-24 00:50:05,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5664 states. [2024-11-24 00:50:07,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5664 to 4775. [2024-11-24 00:50:07,248 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) [2024-11-24 00:50:07,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4775 states to 4775 states and 6250 transitions. [2024-11-24 00:50:07,256 INFO L78 Accepts]: Start accepts. Automaton has 4775 states and 6250 transitions. Word has length 162 [2024-11-24 00:50:07,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:50:07,256 INFO L471 AbstractCegarLoop]: Abstraction has 4775 states and 6250 transitions. [2024-11-24 00:50:07,256 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) [2024-11-24 00:50:07,256 INFO L276 IsEmpty]: Start isEmpty. Operand 4775 states and 6250 transitions. [2024-11-24 00:50:07,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:50:07,257 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:50:07,258 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] [2024-11-24 00:50:07,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 00:50:07,258 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:50:07,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:50:07,258 INFO L85 PathProgramCache]: Analyzing trace with hash -896591767, now seen corresponding path program 1 times [2024-11-24 00:50:07,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:50:07,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414835513] [2024-11-24 00:50:07,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:50:07,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:50:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:50:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:50:19,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:50:19,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414835513] [2024-11-24 00:50:19,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414835513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:50:19,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:50:19,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2024-11-24 00:50:19,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075459852] [2024-11-24 00:50:19,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:50:19,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-24 00:50:19,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:50:19,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-24 00:50:19,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2024-11-24 00:50:19,015 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) [2024-11-24 00:50:31,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:50:31,622 INFO L93 Difference]: Finished difference Result 6758 states and 8781 transitions. [2024-11-24 00:50:31,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-24 00:50:31,622 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 [2024-11-24 00:50:31,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:50:31,632 INFO L225 Difference]: With dead ends: 6758 [2024-11-24 00:50:31,632 INFO L226 Difference]: Without dead ends: 6756 [2024-11-24 00:50:31,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=489, Invalid=1403, Unknown=0, NotChecked=0, Total=1892 [2024-11-24 00:50:31,634 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 881 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 1982 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s 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, 4.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:50:31,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 922 Invalid, 2082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1982 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-24 00:50:31,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6756 states. [2024-11-24 00:50:33,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6756 to 4790. [2024-11-24 00:50:33,235 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) [2024-11-24 00:50:33,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4790 states to 4790 states and 6274 transitions. [2024-11-24 00:50:33,245 INFO L78 Accepts]: Start accepts. Automaton has 4790 states and 6274 transitions. Word has length 162 [2024-11-24 00:50:33,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:50:33,245 INFO L471 AbstractCegarLoop]: Abstraction has 4790 states and 6274 transitions. [2024-11-24 00:50:33,245 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) [2024-11-24 00:50:33,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 6274 transitions. [2024-11-24 00:50:33,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:50:33,246 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:50:33,246 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] [2024-11-24 00:50:33,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 00:50:33,247 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:50:33,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:50:33,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1483397781, now seen corresponding path program 1 times [2024-11-24 00:50:33,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:50:33,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745029067] [2024-11-24 00:50:33,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:50:33,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:50:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:50:42,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:50:42,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:50:42,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745029067] [2024-11-24 00:50:42,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745029067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:50:42,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:50:42,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-24 00:50:42,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467108531] [2024-11-24 00:50:42,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:50:42,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-24 00:50:42,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:50:42,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-24 00:50:42,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:50:42,454 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) [2024-11-24 00:50:49,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:50:49,798 INFO L93 Difference]: Finished difference Result 8086 states and 10587 transitions. [2024-11-24 00:50:49,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-24 00:50:49,798 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 [2024-11-24 00:50:49,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:50:49,808 INFO L225 Difference]: With dead ends: 8086 [2024-11-24 00:50:49,808 INFO L226 Difference]: Without dead ends: 6722 [2024-11-24 00:50:49,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:50:49,811 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 496 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 1720 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:50:49,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 1285 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1720 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-24 00:50:49,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6722 states. [2024-11-24 00:50:51,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6722 to 4794. [2024-11-24 00:50:51,362 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) [2024-11-24 00:50:51,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4794 states to 4794 states and 6278 transitions. [2024-11-24 00:50:51,375 INFO L78 Accepts]: Start accepts. Automaton has 4794 states and 6278 transitions. Word has length 162 [2024-11-24 00:50:51,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:50:51,376 INFO L471 AbstractCegarLoop]: Abstraction has 4794 states and 6278 transitions. [2024-11-24 00:50:51,376 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) [2024-11-24 00:50:51,376 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 6278 transitions. [2024-11-24 00:50:51,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:50:51,378 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:50:51,378 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] [2024-11-24 00:50:51,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 00:50:51,379 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:50:51,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:50:51,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1875097966, now seen corresponding path program 1 times [2024-11-24 00:50:51,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:50:51,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665734662] [2024-11-24 00:50:51,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:50:51,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:50:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:50:58,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:50:58,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:50:58,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665734662] [2024-11-24 00:50:58,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665734662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:50:58,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:50:58,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-24 00:50:58,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382079217] [2024-11-24 00:50:58,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:50:58,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-24 00:50:58,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:50:58,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-24 00:50:58,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2024-11-24 00:50:58,786 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) [2024-11-24 00:51:05,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:51:05,482 INFO L93 Difference]: Finished difference Result 8459 states and 11077 transitions. [2024-11-24 00:51:05,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-24 00:51:05,483 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 [2024-11-24 00:51:05,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:51:05,492 INFO L225 Difference]: With dead ends: 8459 [2024-11-24 00:51:05,492 INFO L226 Difference]: Without dead ends: 5862 [2024-11-24 00:51:05,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=341, Invalid=919, Unknown=0, NotChecked=0, Total=1260 [2024-11-24 00:51:05,497 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 610 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:51:05,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 1058 Invalid, 1555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-24 00:51:05,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5862 states. [2024-11-24 00:51:07,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5862 to 4798. [2024-11-24 00:51:07,083 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) [2024-11-24 00:51:07,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4798 states to 4798 states and 6283 transitions. [2024-11-24 00:51:07,093 INFO L78 Accepts]: Start accepts. Automaton has 4798 states and 6283 transitions. Word has length 162 [2024-11-24 00:51:07,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:51:07,093 INFO L471 AbstractCegarLoop]: Abstraction has 4798 states and 6283 transitions. [2024-11-24 00:51:07,094 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) [2024-11-24 00:51:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 4798 states and 6283 transitions. [2024-11-24 00:51:07,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:51:07,095 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:51:07,095 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] [2024-11-24 00:51:07,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-24 00:51:07,095 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:51:07,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:07,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1616932528, now seen corresponding path program 1 times [2024-11-24 00:51:07,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:07,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337628423] [2024-11-24 00:51:07,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:07,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:51:18,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:18,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337628423] [2024-11-24 00:51:18,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337628423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:18,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:18,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-24 00:51:18,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585889809] [2024-11-24 00:51:18,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:18,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-24 00:51:18,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:18,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-24 00:51:18,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2024-11-24 00:51:18,042 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) [2024-11-24 00:51:42,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:51:42,476 INFO L93 Difference]: Finished difference Result 10273 states and 13494 transitions. [2024-11-24 00:51:42,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-24 00:51:42,477 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 [2024-11-24 00:51:42,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:51:42,492 INFO L225 Difference]: With dead ends: 10273 [2024-11-24 00:51:42,493 INFO L226 Difference]: Without dead ends: 8905 [2024-11-24 00:51:42,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=627, Invalid=1923, Unknown=0, NotChecked=0, Total=2550 [2024-11-24 00:51:42,497 INFO L435 NwaCegarLoop]: 200 mSDtfsCounter, 1032 mSDsluCounter, 1586 mSDsCounter, 0 mSdLazyCounter, 3415 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s 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, 9.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:51:42,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 1786 Invalid, 3686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 3415 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-24 00:51:42,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8905 states. [2024-11-24 00:51:44,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8905 to 6054. [2024-11-24 00:51:44,854 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) [2024-11-24 00:51:44,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6054 states to 6054 states and 7972 transitions. [2024-11-24 00:51:44,865 INFO L78 Accepts]: Start accepts. Automaton has 6054 states and 7972 transitions. Word has length 162 [2024-11-24 00:51:44,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:51:44,866 INFO L471 AbstractCegarLoop]: Abstraction has 6054 states and 7972 transitions. [2024-11-24 00:51:44,866 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) [2024-11-24 00:51:44,866 INFO L276 IsEmpty]: Start isEmpty. Operand 6054 states and 7972 transitions. [2024-11-24 00:51:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:51:44,867 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:51:44,867 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] [2024-11-24 00:51:44,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 00:51:44,867 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:51:44,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:44,868 INFO L85 PathProgramCache]: Analyzing trace with hash 520747347, now seen corresponding path program 1 times [2024-11-24 00:51:44,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:44,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899504532] [2024-11-24 00:51:44,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:44,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:44,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:51:44,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:44,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899504532] [2024-11-24 00:51:44,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899504532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:44,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:44,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:51:44,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888225028] [2024-11-24 00:51:44,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:44,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:51:44,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:44,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:51:44,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:51:44,949 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) [2024-11-24 00:51:49,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:51:49,661 INFO L93 Difference]: Finished difference Result 12934 states and 16870 transitions. [2024-11-24 00:51:49,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:51:49,661 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 [2024-11-24 00:51:49,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:51:49,679 INFO L225 Difference]: With dead ends: 12934 [2024-11-24 00:51:49,679 INFO L226 Difference]: Without dead ends: 10526 [2024-11-24 00:51:49,684 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 [2024-11-24 00:51:49,685 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 [2024-11-24 00:51:49,685 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] [2024-11-24 00:51:49,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10526 states. [2024-11-24 00:51:53,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10526 to 9257. [2024-11-24 00:51:53,545 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) [2024-11-24 00:51:53,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9257 states to 9257 states and 12100 transitions. [2024-11-24 00:51:53,563 INFO L78 Accepts]: Start accepts. Automaton has 9257 states and 12100 transitions. Word has length 162 [2024-11-24 00:51:53,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:51:53,564 INFO L471 AbstractCegarLoop]: Abstraction has 9257 states and 12100 transitions. [2024-11-24 00:51:53,564 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) [2024-11-24 00:51:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 9257 states and 12100 transitions. [2024-11-24 00:51:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:51:53,566 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:51:53,566 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] [2024-11-24 00:51:53,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-24 00:51:53,566 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:51:53,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:51:53,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1645923439, now seen corresponding path program 1 times [2024-11-24 00:51:53,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:51:53,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493695864] [2024-11-24 00:51:53,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:51:53,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:51:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:51:55,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:51:55,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:51:55,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493695864] [2024-11-24 00:51:55,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493695864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:51:55,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:51:55,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 00:51:55,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134394514] [2024-11-24 00:51:55,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:51:55,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:51:55,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:51:55,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:51:55,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:51:55,067 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) [2024-11-24 00:52:03,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:52:03,475 INFO L93 Difference]: Finished difference Result 24314 states and 32004 transitions. [2024-11-24 00:52:03,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 00:52:03,475 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 [2024-11-24 00:52:03,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:52:03,499 INFO L225 Difference]: With dead ends: 24314 [2024-11-24 00:52:03,499 INFO L226 Difference]: Without dead ends: 15106 [2024-11-24 00:52:03,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:52:03,511 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 395 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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 [2024-11-24 00:52:03,511 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] [2024-11-24 00:52:03,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15106 states. [2024-11-24 00:52:07,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15106 to 9764. [2024-11-24 00:52:07,536 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) [2024-11-24 00:52:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9764 states to 9764 states and 12862 transitions. [2024-11-24 00:52:07,556 INFO L78 Accepts]: Start accepts. Automaton has 9764 states and 12862 transitions. Word has length 162 [2024-11-24 00:52:07,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:52:07,557 INFO L471 AbstractCegarLoop]: Abstraction has 9764 states and 12862 transitions. [2024-11-24 00:52:07,557 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) [2024-11-24 00:52:07,557 INFO L276 IsEmpty]: Start isEmpty. Operand 9764 states and 12862 transitions. [2024-11-24 00:52:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:52:07,558 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:52:07,558 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] [2024-11-24 00:52:07,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 00:52:07,559 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:52:07,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:07,559 INFO L85 PathProgramCache]: Analyzing trace with hash -473889941, now seen corresponding path program 1 times [2024-11-24 00:52:07,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:52:07,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255712834] [2024-11-24 00:52:07,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:07,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:52:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:52:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:52:09,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:52:09,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255712834] [2024-11-24 00:52:09,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255712834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:52:09,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:52:09,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-24 00:52:09,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783458271] [2024-11-24 00:52:09,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:52:09,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 00:52:09,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:52:09,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 00:52:09,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:52:09,405 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) [2024-11-24 00:52:20,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:52:20,059 INFO L93 Difference]: Finished difference Result 18075 states and 23425 transitions. [2024-11-24 00:52:20,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-24 00:52:20,060 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 [2024-11-24 00:52:20,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:52:20,083 INFO L225 Difference]: With dead ends: 18075 [2024-11-24 00:52:20,083 INFO L226 Difference]: Without dead ends: 15487 [2024-11-24 00:52:20,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=198, Invalid=614, Unknown=0, NotChecked=0, Total=812 [2024-11-24 00:52:20,088 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 603 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:52:20,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1215 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-24 00:52:20,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15487 states. [2024-11-24 00:52:23,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15487 to 9831. [2024-11-24 00:52:23,990 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) [2024-11-24 00:52:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9831 states to 9831 states and 12971 transitions. [2024-11-24 00:52:24,009 INFO L78 Accepts]: Start accepts. Automaton has 9831 states and 12971 transitions. Word has length 162 [2024-11-24 00:52:24,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:52:24,010 INFO L471 AbstractCegarLoop]: Abstraction has 9831 states and 12971 transitions. [2024-11-24 00:52:24,010 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) [2024-11-24 00:52:24,010 INFO L276 IsEmpty]: Start isEmpty. Operand 9831 states and 12971 transitions. [2024-11-24 00:52:24,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:52:24,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:52:24,011 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] [2024-11-24 00:52:24,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-24 00:52:24,012 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:52:24,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:24,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1452396140, now seen corresponding path program 1 times [2024-11-24 00:52:24,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:52:24,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480421490] [2024-11-24 00:52:24,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:24,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:52:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:52:24,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:52:24,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:52:24,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480421490] [2024-11-24 00:52:24,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480421490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:52:24,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:52:24,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-24 00:52:24,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687601946] [2024-11-24 00:52:24,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:52:24,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:52:24,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:52:24,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:52:24,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:52:24,602 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) [2024-11-24 00:52:36,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:52:36,638 INFO L93 Difference]: Finished difference Result 27060 states and 35142 transitions. [2024-11-24 00:52:36,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 00:52:36,638 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 [2024-11-24 00:52:36,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:52:36,666 INFO L225 Difference]: With dead ends: 27060 [2024-11-24 00:52:36,666 INFO L226 Difference]: Without dead ends: 17211 [2024-11-24 00:52:36,680 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 [2024-11-24 00:52:36,680 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 393 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:52:36,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1225 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 00:52:36,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17211 states. [2024-11-24 00:52:40,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17211 to 10047. [2024-11-24 00:52:40,702 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) [2024-11-24 00:52:40,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10047 states to 10047 states and 13309 transitions. [2024-11-24 00:52:40,731 INFO L78 Accepts]: Start accepts. Automaton has 10047 states and 13309 transitions. Word has length 162 [2024-11-24 00:52:40,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:52:40,732 INFO L471 AbstractCegarLoop]: Abstraction has 10047 states and 13309 transitions. [2024-11-24 00:52:40,732 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) [2024-11-24 00:52:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand 10047 states and 13309 transitions. [2024-11-24 00:52:40,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:52:40,734 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:52:40,734 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] [2024-11-24 00:52:40,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-24 00:52:40,734 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:52:40,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:40,735 INFO L85 PathProgramCache]: Analyzing trace with hash -582216721, now seen corresponding path program 1 times [2024-11-24 00:52:40,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:52:40,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947971219] [2024-11-24 00:52:40,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:40,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:52:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:52:40,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-11-24 00:52:40,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:52:40,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947971219] [2024-11-24 00:52:40,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947971219] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:52:40,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:52:40,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:52:40,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248421457] [2024-11-24 00:52:40,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:52:40,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:52:40,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:52:40,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:52:40,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:52:40,949 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) [2024-11-24 00:52:45,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:52:45,287 INFO L93 Difference]: Finished difference Result 21946 states and 29217 transitions. [2024-11-24 00:52:45,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:52:45,288 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 [2024-11-24 00:52:45,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:52:45,309 INFO L225 Difference]: With dead ends: 21946 [2024-11-24 00:52:45,309 INFO L226 Difference]: Without dead ends: 11986 [2024-11-24 00:52:45,319 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 [2024-11-24 00:52:45,319 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:52:45,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 479 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:52:45,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11986 states. [2024-11-24 00:52:49,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11986 to 10624. [2024-11-24 00:52:49,350 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) [2024-11-24 00:52:49,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10624 states to 10624 states and 14074 transitions. [2024-11-24 00:52:49,371 INFO L78 Accepts]: Start accepts. Automaton has 10624 states and 14074 transitions. Word has length 162 [2024-11-24 00:52:49,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:52:49,371 INFO L471 AbstractCegarLoop]: Abstraction has 10624 states and 14074 transitions. [2024-11-24 00:52:49,371 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) [2024-11-24 00:52:49,372 INFO L276 IsEmpty]: Start isEmpty. Operand 10624 states and 14074 transitions. [2024-11-24 00:52:49,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-24 00:52:49,373 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:52:49,373 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] [2024-11-24 00:52:49,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-24 00:52:49,373 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:52:49,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:49,373 INFO L85 PathProgramCache]: Analyzing trace with hash 939817061, now seen corresponding path program 1 times [2024-11-24 00:52:49,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:52:49,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804211139] [2024-11-24 00:52:49,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:49,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:52:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:52:49,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1889028469] [2024-11-24 00:52:49,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:49,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:52:49,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:52:49,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:52:49,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 00:52:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:52:49,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-24 00:52:49,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:52:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 608 proven. 186 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-24 00:52:51,945 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:52:56,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:52:56,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804211139] [2024-11-24 00:52:56,992 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-24 00:52:56,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889028469] [2024-11-24 00:52:56,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889028469] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:52:56,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:52:56,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2024-11-24 00:52:56,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515425309] [2024-11-24 00:52:56,992 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-24 00:52:56,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-24 00:52:56,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:52:56,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-24 00:52:56,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-11-24 00:52:56,994 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) [2024-11-24 00:53:05,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:53:05,922 INFO L93 Difference]: Finished difference Result 16769 states and 21457 transitions. [2024-11-24 00:53:05,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-24 00:53:05,923 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 [2024-11-24 00:53:05,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:53:05,963 INFO L225 Difference]: With dead ends: 16769 [2024-11-24 00:53:05,963 INFO L226 Difference]: Without dead ends: 14048 [2024-11-24 00:53:05,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=412, Invalid=1480, Unknown=0, NotChecked=0, Total=1892 [2024-11-24 00:53:05,972 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 [2024-11-24 00:53:05,972 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] [2024-11-24 00:53:05,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14048 states. [2024-11-24 00:53:12,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14048 to 11385. [2024-11-24 00:53:12,075 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) [2024-11-24 00:53:12,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11385 states to 11385 states and 14716 transitions. [2024-11-24 00:53:12,097 INFO L78 Accepts]: Start accepts. Automaton has 11385 states and 14716 transitions. Word has length 163 [2024-11-24 00:53:12,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:53:12,097 INFO L471 AbstractCegarLoop]: Abstraction has 11385 states and 14716 transitions. [2024-11-24 00:53:12,097 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) [2024-11-24 00:53:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 11385 states and 14716 transitions. [2024-11-24 00:53:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-24 00:53:12,099 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:12,099 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] [2024-11-24 00:53:12,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-24 00:53:12,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-24 00:53:12,299 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:12,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:12,300 INFO L85 PathProgramCache]: Analyzing trace with hash -71300189, now seen corresponding path program 1 times [2024-11-24 00:53:12,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:53:12,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21770045] [2024-11-24 00:53:12,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:12,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:53:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:53:12,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [604402056] [2024-11-24 00:53:12,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:12,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:53:12,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:53:12,388 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:53:12,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 00:53:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:53:12,546 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:53:12,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:53:12,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:53:12,731 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:53:12,732 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:53:12,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-24 00:53:12,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-24 00:53:12,937 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] [2024-11-24 00:53:13,054 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:53:13,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:53:13 BoogieIcfgContainer [2024-11-24 00:53:13,061 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:53:13,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:53:13,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:53:13,064 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:53:13,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:43:45" (3/4) ... [2024-11-24 00:53:13,067 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:53:13,067 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:53:13,068 INFO L158 Benchmark]: Toolchain (without parser) took 568440.91ms. Allocated memory was 117.4MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 92.1MB in the beginning and 3.1GB in the end (delta: -3.0GB). Peak memory consumption was 478.8MB. Max. memory is 16.1GB. [2024-11-24 00:53:13,068 INFO L158 Benchmark]: CDTParser took 1.06ms. Allocated memory is still 83.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:53:13,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.73ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 76.7MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:53:13,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.78ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 73.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:53:13,069 INFO L158 Benchmark]: Boogie Preprocessor took 74.95ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 69.1MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:53:13,069 INFO L158 Benchmark]: RCFGBuilder took 662.30ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 45.8MB in the end (delta: 23.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:53:13,069 INFO L158 Benchmark]: TraceAbstraction took 567193.24ms. Allocated memory was 117.4MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 45.1MB in the beginning and 3.1GB in the end (delta: -3.1GB). Peak memory consumption was 420.1MB. Max. memory is 16.1GB. [2024-11-24 00:53:13,069 INFO L158 Benchmark]: Witness Printer took 5.02ms. Allocated memory is still 3.6GB. Free memory was 3.1GB in the beginning and 3.1GB in the end (delta: 504.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:53:13,071 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06ms. Allocated memory is still 83.9MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.73ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 76.7MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.78ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 73.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.95ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 69.1MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 662.30ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 45.8MB in the end (delta: 23.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 567193.24ms. Allocated memory was 117.4MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 45.1MB in the beginning and 3.1GB in the end (delta: -3.1GB). Peak memory consumption was 420.1MB. Max. memory is 16.1GB. * Witness Printer took 5.02ms. Allocated memory is still 3.6GB. Free memory was 3.1GB in the beginning and 3.1GB in the end (delta: 504.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 124, overapproximation of someBinaryDOUBLEComparisonOperation at line 124, overapproximation of someBinaryDOUBLEComparisonOperation at line 176, overapproximation of someBinaryDOUBLEComparisonOperation at line 182, overapproximation of someBinaryDOUBLEComparisonOperation at line 174. 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: 567.0s, OverallIterations: 33, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 292.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22603 SdHoareTripleChecker+Valid, 78.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22588 mSDsluCounter, 27463 SdHoareTripleChecker+Invalid, 71.4s 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, 45976 ImplicationChecksByTransitivity, 170.7s 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: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 216.5s 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 [2024-11-24 00:53:13,282 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-24 00:53:13,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/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_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/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_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e47d94c12124cf4b862c2f881009fef36c28832c985456c790d3472927c1d0c5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:53:16,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:53:16,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:53:16,396 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:53:16,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:53:16,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:53:16,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:53:16,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:53:16,438 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:53:16,438 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:53:16,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:53:16,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:53:16,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:53:16,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:53:16,440 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:53:16,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:53:16,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:53:16,441 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:53:16,441 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:53:16,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:53:16,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:53:16,442 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:53:16,442 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:53:16,442 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:53:16,442 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:53:16,442 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:53:16,442 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:53:16,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:53:16,442 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:53:16,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:53:16,442 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:53:16,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:53:16,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:53:16,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:53:16,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:53:16,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:53:16,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:53:16,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:53:16,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:53:16,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:53:16,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:53:16,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:53:16,444 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:53:16,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:53:16,444 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:53:16,444 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:53:16,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:53:16,444 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:53:16,444 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:53:16,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:53:16,444 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_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e47d94c12124cf4b862c2f881009fef36c28832c985456c790d3472927c1d0c5 [2024-11-24 00:53:16,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:53:16,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:53:16,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:53:16,777 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:53:16,777 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:53:16,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2024-11-24 00:53:20,122 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/data/19902b87a/c5474d8a3562457c8b21be0cf9f30967/FLAG4dde452a2 [2024-11-24 00:53:20,380 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:53:20,383 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2024-11-24 00:53:20,399 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/data/19902b87a/c5474d8a3562457c8b21be0cf9f30967/FLAG4dde452a2 [2024-11-24 00:53:20,424 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/data/19902b87a/c5474d8a3562457c8b21be0cf9f30967 [2024-11-24 00:53:20,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:53:20,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:53:20,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:53:20,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:53:20,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:53:20,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:20,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ffd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20, skipping insertion in model container [2024-11-24 00:53:20,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:20,469 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:53:20,645 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_f21b6143-c7e7-4a25-b5a9-d277fa572734/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i[919,932] [2024-11-24 00:53:20,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:53:20,782 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:53:20,793 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_f21b6143-c7e7-4a25-b5a9-d277fa572734/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i[919,932] [2024-11-24 00:53:20,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:53:20,887 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:53:20,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20 WrapperNode [2024-11-24 00:53:20,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:53:20,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:53:20,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:53:20,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:53:20,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:20,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:20,935 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-11-24 00:53:20,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:53:20,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:53:20,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:53:20,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:53:20,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:20,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:20,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:20,971 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:53:20,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:20,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:20,990 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:20,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:21,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:21,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:21,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:21,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:53:21,017 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:53:21,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:53:21,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:53:21,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (1/1) ... [2024-11-24 00:53:21,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:53:21,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:53:21,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:53:21,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:53:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:53:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:53:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:53:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:53:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:53:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:53:21,180 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:53:21,182 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:53:21,848 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-24 00:53:21,848 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:53:21,865 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:53:21,865 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:53:21,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:53:21 BoogieIcfgContainer [2024-11-24 00:53:21,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:53:21,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:53:21,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:53:21,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:53:21,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:53:20" (1/3) ... [2024-11-24 00:53:21,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716127e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:53:21, skipping insertion in model container [2024-11-24 00:53:21,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:20" (2/3) ... [2024-11-24 00:53:21,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716127e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:53:21, skipping insertion in model container [2024-11-24 00:53:21,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:53:21" (3/3) ... [2024-11-24 00:53:21,881 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-66.i [2024-11-24 00:53:21,901 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:53:21,903 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. [2024-11-24 00:53:21,976 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:53:21,989 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;@5bbdd1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:53:21,989 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:53:21,993 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) [2024-11-24 00:53:22,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-24 00:53:22,007 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:22,008 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] [2024-11-24 00:53:22,008 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:22,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:22,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1238318862, now seen corresponding path program 1 times [2024-11-24 00:53:22,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:53:22,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567948311] [2024-11-24 00:53:22,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:22,027 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:53:22,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:53:22,029 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:53:22,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 00:53:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:22,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:53:22,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:53:22,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-11-24 00:53:22,418 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:53:22,422 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:53:22,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567948311] [2024-11-24 00:53:22,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567948311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:53:22,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:53:22,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:53:22,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785056644] [2024-11-24 00:53:22,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:53:22,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:53:22,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:53:22,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:53:22,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:53:22,455 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) [2024-11-24 00:53:22,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:53:22,494 INFO L93 Difference]: Finished difference Result 161 states and 284 transitions. [2024-11-24 00:53:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:53:22,496 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 [2024-11-24 00:53:22,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:53:22,503 INFO L225 Difference]: With dead ends: 161 [2024-11-24 00:53:22,503 INFO L226 Difference]: Without dead ends: 80 [2024-11-24 00:53:22,507 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 [2024-11-24 00:53:22,510 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 [2024-11-24 00:53:22,511 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] [2024-11-24 00:53:22,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-24 00:53:22,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-24 00:53:22,548 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) [2024-11-24 00:53:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2024-11-24 00:53:22,555 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 160 [2024-11-24 00:53:22,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:53:22,555 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2024-11-24 00:53:22,555 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) [2024-11-24 00:53:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2024-11-24 00:53:22,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-24 00:53:22,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:22,560 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] [2024-11-24 00:53:22,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:53:22,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:53:22,761 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:22,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:22,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1644456530, now seen corresponding path program 1 times [2024-11-24 00:53:22,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:53:22,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533590087] [2024-11-24 00:53:22,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:22,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:53:22,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:53:22,767 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:53:22,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 00:53:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:23,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 00:53:23,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:53:24,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 624 proven. 87 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-24 00:53:24,652 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:53:28,479 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:53:28,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533590087] [2024-11-24 00:53:28,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533590087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:53:28,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1589463446] [2024-11-24 00:53:28,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:28,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:53:28,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:53:28,483 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:53:28,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 00:53:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:29,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 00:53:29,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:53:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 598 proven. 126 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2024-11-24 00:53:33,711 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:53:49,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1589463446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:53:49,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:53:49,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 17 [2024-11-24 00:53:49,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100622949] [2024-11-24 00:53:49,948 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:53:49,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 00:53:49,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:53:49,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 00:53:49,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2024-11-24 00:53:49,954 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) [2024-11-24 00:53:57,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.89s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:54:01,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:54:48,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-24 00:54:48,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:54:48,411 INFO L93 Difference]: Finished difference Result 458 states and 674 transitions. [2024-11-24 00:54:48,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-24 00:54:48,413 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 [2024-11-24 00:54:48,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:54:48,419 INFO L225 Difference]: With dead ends: 458 [2024-11-24 00:54:48,419 INFO L226 Difference]: Without dead ends: 381 [2024-11-24 00:54:48,422 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 350 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1383 ImplicationChecksByTransitivity, 28.5s TimeCoverageRelationStatistics Valid=1135, Invalid=3977, Unknown=0, NotChecked=0, Total=5112 [2024-11-24 00:54:48,426 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 504 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 187 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 1747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:54:48,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 938 Invalid, 1747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1558 Invalid, 2 Unknown, 0 Unchecked, 44.4s Time] [2024-11-24 00:54:48,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-24 00:54:48,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 338. [2024-11-24 00:54:48,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 233 states have (on average 1.3347639484978542) internal successors, (311), 236 states have internal predecessors, (311), 88 states have call successors, (88), 16 states have call predecessors, (88), 16 states have return successors, (88), 85 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-24 00:54:48,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 487 transitions. [2024-11-24 00:54:48,518 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 487 transitions. Word has length 160 [2024-11-24 00:54:48,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:54:48,519 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 487 transitions. [2024-11-24 00:54:48,519 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) [2024-11-24 00:54:48,519 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 487 transitions. [2024-11-24 00:54:48,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 00:54:48,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:54:48,526 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] [2024-11-24 00:54:48,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 00:54:48,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-24 00:54:48,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:54:48,927 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:54:48,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:48,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1168211566, now seen corresponding path program 1 times [2024-11-24 00:54:48,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:54:48,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [937475140] [2024-11-24 00:54:48,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:48,929 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:54:48,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:54:48,930 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:54:48,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-24 00:54:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:49,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:54:49,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:54:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-11-24 00:54:49,512 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:54:49,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:54:49,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [937475140] [2024-11-24 00:54:49,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [937475140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:54:49,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1948925278] [2024-11-24 00:54:49,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:49,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:54:49,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:54:49,740 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:54:49,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 00:54:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:50,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:54:50,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:54:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 365 proven. 12 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2024-11-24 00:54:50,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:54:50,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1948925278] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:54:50,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:54:50,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-11-24 00:54:50,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464926737] [2024-11-24 00:54:50,873 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:54:50,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:54:50,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:54:50,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:54:50,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:54:50,875 INFO L87 Difference]: Start difference. First operand 338 states and 487 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) [2024-11-24 00:54:51,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:54:51,893 INFO L93 Difference]: Finished difference Result 701 states and 996 transitions. [2024-11-24 00:54:51,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:54:51,894 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 [2024-11-24 00:54:51,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:54:51,899 INFO L225 Difference]: With dead ends: 701 [2024-11-24 00:54:51,899 INFO L226 Difference]: Without dead ends: 366 [2024-11-24 00:54:51,901 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 [2024-11-24 00:54:51,902 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 71 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:54:51,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 233 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 00:54:51,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-24 00:54:51,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 350. [2024-11-24 00:54:51,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 242 states have (on average 1.28099173553719) internal successors, (310), 245 states have internal predecessors, (310), 88 states have call successors, (88), 19 states have call predecessors, (88), 19 states have return successors, (88), 85 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-24 00:54:51,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 486 transitions. [2024-11-24 00:54:51,959 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 486 transitions. Word has length 161 [2024-11-24 00:54:51,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:54:51,962 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 486 transitions. [2024-11-24 00:54:51,962 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) [2024-11-24 00:54:51,962 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 486 transitions. [2024-11-24 00:54:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 00:54:51,969 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:54:51,969 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] [2024-11-24 00:54:51,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-24 00:54:52,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-24 00:54:52,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:54:52,370 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:54:52,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:52,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1718303949, now seen corresponding path program 1 times [2024-11-24 00:54:52,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:54:52,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2092605160] [2024-11-24 00:54:52,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:52,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:54:52,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:54:52,373 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:54:52,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-24 00:54:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:52,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:54:52,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:54:53,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 335 proven. 57 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2024-11-24 00:54:53,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:54:54,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2024-11-24 00:54:54,598 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:54:54,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2092605160] [2024-11-24 00:54:54,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2092605160] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:54:54,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:54:54,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-24 00:54:54,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264591306] [2024-11-24 00:54:54,599 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:54:54,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 00:54:54,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:54:54,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 00:54:54,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-24 00:54:54,601 INFO L87 Difference]: Start difference. First operand 350 states and 486 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) [2024-11-24 00:54:56,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:54:56,002 INFO L93 Difference]: Finished difference Result 572 states and 768 transitions. [2024-11-24 00:54:56,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:54:56,009 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 [2024-11-24 00:54:56,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:54:56,012 INFO L225 Difference]: With dead ends: 572 [2024-11-24 00:54:56,012 INFO L226 Difference]: Without dead ends: 225 [2024-11-24 00:54:56,013 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 [2024-11-24 00:54:56,014 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 155 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:54:56,014 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 333 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 00:54:56,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-24 00:54:56,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 211. [2024-11-24 00:54:56,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 135 states have (on average 1.1333333333333333) internal successors, (153), 137 states have internal predecessors, (153), 58 states have call successors, (58), 17 states have call predecessors, (58), 17 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-24 00:54:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 269 transitions. [2024-11-24 00:54:56,056 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 269 transitions. Word has length 161 [2024-11-24 00:54:56,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:54:56,057 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 269 transitions. [2024-11-24 00:54:56,057 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) [2024-11-24 00:54:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 269 transitions. [2024-11-24 00:54:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 00:54:56,060 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:54:56,060 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] [2024-11-24 00:54:56,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-24 00:54:56,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:54:56,261 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:54:56,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:56,261 INFO L85 PathProgramCache]: Analyzing trace with hash 669473367, now seen corresponding path program 1 times [2024-11-24 00:54:56,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:54:56,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348086296] [2024-11-24 00:54:56,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:56,262 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 00:54:56,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:54:56,266 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 00:54:56,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f21b6143-c7e7-4a25-b5a9-d277fa572734/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-24 00:54:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:56,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-24 00:54:56,498 INFO L279 TraceCheckSpWp]: Computing forward predicates...