./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-63.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98d888997158447b2a3898a53afaa14cf68ee37a80eaa35550740ccfab812c92 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:12:04,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:12:04,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:12:04,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:12:04,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:12:04,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:12:04,272 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:12:04,272 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:12:04,272 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:12:04,272 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:12:04,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:12:04,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:12:04,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:12:04,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:12:04,273 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:12:04,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:12:04,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:12:04,273 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:12:04,273 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:12:04,273 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:12:04,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:12:04,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:12:04,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:12:04,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:12:04,274 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:12:04,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:12:04,274 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:12:04,274 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:12:04,274 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:12:04,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:12:04,274 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:12:04,274 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:12:04,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:12:04,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:12:04,275 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:12:04,275 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:12:04,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:12:04,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:12:04,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:12:04,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:12:04,275 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:12:04,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:12:04,275 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:12:04,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:12:04,275 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:12:04,275 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:12:04,275 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:12:04,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:12:04,276 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_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98d888997158447b2a3898a53afaa14cf68ee37a80eaa35550740ccfab812c92 [2024-12-02 15:12:04,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:12:04,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:12:04,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:12:04,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:12:04,512 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:12:04,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-63.i [2024-12-02 15:12:07,179 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/data/9513ae3af/39c1e77c92684e4aa4e147c4c5ee22c0/FLAGb0d25af87 [2024-12-02 15:12:07,406 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:12:07,407 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-63.i [2024-12-02 15:12:07,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/data/9513ae3af/39c1e77c92684e4aa4e147c4c5ee22c0/FLAGb0d25af87 [2024-12-02 15:12:07,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/data/9513ae3af/39c1e77c92684e4aa4e147c4c5ee22c0 [2024-12-02 15:12:07,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:12:07,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:12:07,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:12:07,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:12:07,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:12:07,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:07" (1/1) ... [2024-12-02 15:12:07,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@beba78e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:07, skipping insertion in model container [2024-12-02 15:12:07,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:07" (1/1) ... [2024-12-02 15:12:07,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:12:07,898 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_08397718-f34a-4c77-8cff-89a6c9d9e2ce/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-63.i[919,932] [2024-12-02 15:12:07,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:12:07,955 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:12:07,963 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_08397718-f34a-4c77-8cff-89a6c9d9e2ce/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-63.i[919,932] [2024-12-02 15:12:07,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:12:08,001 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:12:08,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08 WrapperNode [2024-12-02 15:12:08,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:12:08,003 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:12:08,003 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:12:08,003 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:12:08,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,044 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 170 [2024-12-02 15:12:08,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:12:08,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:12:08,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:12:08,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:12:08,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,054 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,068 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 15:12:08,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,077 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:12:08,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:12:08,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:12:08,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:12:08,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (1/1) ... [2024-12-02 15:12:08,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:12:08,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:12:08,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:12:08,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:12:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:12:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:12:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:12:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:12:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:12:08,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:12:08,200 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:12:08,201 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:12:08,484 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-02 15:12:08,484 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:12:08,493 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:12:08,493 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:12:08,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:08 BoogieIcfgContainer [2024-12-02 15:12:08,493 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:12:08,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:12:08,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:12:08,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:12:08,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:12:07" (1/3) ... [2024-12-02 15:12:08,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20674008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:08, skipping insertion in model container [2024-12-02 15:12:08,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:08" (2/3) ... [2024-12-02 15:12:08,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20674008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:08, skipping insertion in model container [2024-12-02 15:12:08,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:08" (3/3) ... [2024-12-02 15:12:08,500 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-63.i [2024-12-02 15:12:08,513 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:12:08,515 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-63.i that has 2 procedures, 72 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:12:08,562 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:12:08,573 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;@58022236, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:12:08,573 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:12:08,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 54 states have internal predecessors, (74), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:12:08,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 15:12:08,587 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:08,587 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:08,588 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:08,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:08,593 INFO L85 PathProgramCache]: Analyzing trace with hash 145375645, now seen corresponding path program 1 times [2024-12-02 15:12:08,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:08,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813147839] [2024-12-02 15:12:08,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:08,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:08,834 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 15:12:08,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:08,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813147839] [2024-12-02 15:12:08,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813147839] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:12:08,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545555662] [2024-12-02 15:12:08,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:08,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:12:08,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:12:08,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:12:08,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:12:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:08,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:12:08,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:12:08,999 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 15:12:08,999 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:12:09,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545555662] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:09,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:12:09,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:12:09,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422798034] [2024-12-02 15:12:09,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:09,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:12:09,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:09,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:12:09,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:12:09,022 INFO L87 Difference]: Start difference. First operand has 72 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 54 states have internal predecessors, (74), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:12:09,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:09,041 INFO L93 Difference]: Finished difference Result 137 states and 222 transitions. [2024-12-02 15:12:09,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:12:09,043 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 116 [2024-12-02 15:12:09,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:09,048 INFO L225 Difference]: With dead ends: 137 [2024-12-02 15:12:09,048 INFO L226 Difference]: Without dead ends: 68 [2024-12-02 15:12:09,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:12:09,052 INFO L435 NwaCegarLoop]: 99 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, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:09,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:12:09,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-12-02 15:12:09,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-12-02 15:12:09,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 50 states have (on average 1.34) internal successors, (67), 50 states have internal predecessors, (67), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:12:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 99 transitions. [2024-12-02 15:12:09,085 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 99 transitions. Word has length 116 [2024-12-02 15:12:09,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:09,085 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 99 transitions. [2024-12-02 15:12:09,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:12:09,085 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2024-12-02 15:12:09,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 15:12:09,087 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:09,087 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:09,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:12:09,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:12:09,288 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:09,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:09,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1400101457, now seen corresponding path program 1 times [2024-12-02 15:12:09,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:09,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869984308] [2024-12-02 15:12:09,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:09,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:09,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:09,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869984308] [2024-12-02 15:12:09,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869984308] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:09,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:09,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:12:09,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893897846] [2024-12-02 15:12:09,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:09,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:12:09,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:09,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:12:09,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:12:09,469 INFO L87 Difference]: Start difference. First operand 68 states and 99 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:09,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:09,522 INFO L93 Difference]: Finished difference Result 163 states and 238 transitions. [2024-12-02 15:12:09,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:12:09,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 116 [2024-12-02 15:12:09,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:09,524 INFO L225 Difference]: With dead ends: 163 [2024-12-02 15:12:09,524 INFO L226 Difference]: Without dead ends: 98 [2024-12-02 15:12:09,525 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:12:09,526 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 34 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:09,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 207 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:12:09,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-12-02 15:12:09,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 81. [2024-12-02 15:12:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 63 states have internal predecessors, (86), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:12:09,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 118 transitions. [2024-12-02 15:12:09,548 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 118 transitions. Word has length 116 [2024-12-02 15:12:09,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:09,550 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 118 transitions. [2024-12-02 15:12:09,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 118 transitions. [2024-12-02 15:12:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 15:12:09,552 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:09,552 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:09,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:12:09,553 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:09,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:09,553 INFO L85 PathProgramCache]: Analyzing trace with hash 2112576145, now seen corresponding path program 1 times [2024-12-02 15:12:09,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:09,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857355075] [2024-12-02 15:12:09,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:09,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:09,942 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:09,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:09,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857355075] [2024-12-02 15:12:09,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857355075] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:09,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:09,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:12:09,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38050527] [2024-12-02 15:12:09,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:09,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:12:09,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:09,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:12:09,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:12:09,944 INFO L87 Difference]: Start difference. First operand 81 states and 118 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:10,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:10,274 INFO L93 Difference]: Finished difference Result 290 states and 425 transitions. [2024-12-02 15:12:10,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:12:10,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 116 [2024-12-02 15:12:10,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:10,278 INFO L225 Difference]: With dead ends: 290 [2024-12-02 15:12:10,278 INFO L226 Difference]: Without dead ends: 212 [2024-12-02 15:12:10,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:12:10,279 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 170 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:10,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 462 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:12:10,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-12-02 15:12:10,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 106. [2024-12-02 15:12:10,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 88 states have (on average 1.375) internal successors, (121), 88 states have internal predecessors, (121), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:12:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 153 transitions. [2024-12-02 15:12:10,295 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 153 transitions. Word has length 116 [2024-12-02 15:12:10,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:10,295 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 153 transitions. [2024-12-02 15:12:10,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:10,296 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 153 transitions. [2024-12-02 15:12:10,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 15:12:10,298 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:10,298 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:10,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:12:10,298 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:10,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:10,299 INFO L85 PathProgramCache]: Analyzing trace with hash 2014520295, now seen corresponding path program 1 times [2024-12-02 15:12:10,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:10,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963991209] [2024-12-02 15:12:10,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:10,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:11,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:11,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963991209] [2024-12-02 15:12:11,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963991209] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:11,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:11,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:12:11,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019412823] [2024-12-02 15:12:11,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:11,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:12:11,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:11,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:12:11,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:12:11,328 INFO L87 Difference]: Start difference. First operand 106 states and 153 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:11,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:11,865 INFO L93 Difference]: Finished difference Result 283 states and 392 transitions. [2024-12-02 15:12:11,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:12:11,865 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 117 [2024-12-02 15:12:11,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:11,867 INFO L225 Difference]: With dead ends: 283 [2024-12-02 15:12:11,867 INFO L226 Difference]: Without dead ends: 180 [2024-12-02 15:12:11,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:12:11,869 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 172 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:11,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 622 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:12:11,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-12-02 15:12:11,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 118. [2024-12-02 15:12:11,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 100 states have (on average 1.31) internal successors, (131), 100 states have internal predecessors, (131), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:12:11,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 163 transitions. [2024-12-02 15:12:11,878 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 163 transitions. Word has length 117 [2024-12-02 15:12:11,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:11,878 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 163 transitions. [2024-12-02 15:12:11,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:11,879 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 163 transitions. [2024-12-02 15:12:11,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 15:12:11,880 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:11,880 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:11,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:12:11,881 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:11,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:11,881 INFO L85 PathProgramCache]: Analyzing trace with hash 636576845, now seen corresponding path program 1 times [2024-12-02 15:12:11,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:11,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000922345] [2024-12-02 15:12:11,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:11,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:11,980 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:11,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:11,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000922345] [2024-12-02 15:12:11,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000922345] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:11,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:11,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:12:11,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344148717] [2024-12-02 15:12:11,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:11,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:12:11,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:11,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:12:11,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:12:11,982 INFO L87 Difference]: Start difference. First operand 118 states and 163 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:12,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:12,028 INFO L93 Difference]: Finished difference Result 295 states and 409 transitions. [2024-12-02 15:12:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:12:12,028 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 117 [2024-12-02 15:12:12,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:12,030 INFO L225 Difference]: With dead ends: 295 [2024-12-02 15:12:12,030 INFO L226 Difference]: Without dead ends: 180 [2024-12-02 15:12:12,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:12:12,031 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 73 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:12,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 187 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:12:12,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-12-02 15:12:12,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 126. [2024-12-02 15:12:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 108 states have internal predecessors, (140), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:12:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 172 transitions. [2024-12-02 15:12:12,041 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 172 transitions. Word has length 117 [2024-12-02 15:12:12,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:12,042 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 172 transitions. [2024-12-02 15:12:12,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2024-12-02 15:12:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 15:12:12,043 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:12,044 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:12,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:12:12,044 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:12,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:12,044 INFO L85 PathProgramCache]: Analyzing trace with hash 734656617, now seen corresponding path program 1 times [2024-12-02 15:12:12,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:12,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183986496] [2024-12-02 15:12:12,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:12,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:12,243 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:12,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:12,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183986496] [2024-12-02 15:12:12,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183986496] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:12,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:12,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:12:12,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903629961] [2024-12-02 15:12:12,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:12,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:12:12,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:12,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:12:12,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:12:12,245 INFO L87 Difference]: Start difference. First operand 126 states and 172 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:12,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:12,359 INFO L93 Difference]: Finished difference Result 366 states and 503 transitions. [2024-12-02 15:12:12,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:12:12,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 117 [2024-12-02 15:12:12,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:12,361 INFO L225 Difference]: With dead ends: 366 [2024-12-02 15:12:12,361 INFO L226 Difference]: Without dead ends: 243 [2024-12-02 15:12:12,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:12:12,362 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 62 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:12,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 229 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:12:12,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2024-12-02 15:12:12,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 241. [2024-12-02 15:12:12,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 206 states have (on average 1.296116504854369) internal successors, (267), 206 states have internal predecessors, (267), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:12,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 331 transitions. [2024-12-02 15:12:12,381 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 331 transitions. Word has length 117 [2024-12-02 15:12:12,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:12,381 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 331 transitions. [2024-12-02 15:12:12,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:12,381 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 331 transitions. [2024-12-02 15:12:12,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 15:12:12,383 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:12,383 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:12,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:12:12,383 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:12,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:12,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1418652826, now seen corresponding path program 1 times [2024-12-02 15:12:12,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:12,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454088438] [2024-12-02 15:12:12,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:12,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:13,074 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:13,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:13,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454088438] [2024-12-02 15:12:13,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454088438] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:13,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:13,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:12:13,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678189248] [2024-12-02 15:12:13,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:13,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:12:13,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:13,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:12:13,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:12:13,076 INFO L87 Difference]: Start difference. First operand 241 states and 331 transitions. Second operand has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:14,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:14,266 INFO L93 Difference]: Finished difference Result 668 states and 918 transitions. [2024-12-02 15:12:14,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-02 15:12:14,266 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 117 [2024-12-02 15:12:14,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:14,269 INFO L225 Difference]: With dead ends: 668 [2024-12-02 15:12:14,269 INFO L226 Difference]: Without dead ends: 429 [2024-12-02 15:12:14,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:12:14,270 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 288 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:14,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 1143 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 15:12:14,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2024-12-02 15:12:14,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 246. [2024-12-02 15:12:14,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 211 states have (on average 1.2843601895734598) internal successors, (271), 211 states have internal predecessors, (271), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:14,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 335 transitions. [2024-12-02 15:12:14,291 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 335 transitions. Word has length 117 [2024-12-02 15:12:14,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:14,291 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 335 transitions. [2024-12-02 15:12:14,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.0) internal successors, (40), 10 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:14,291 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 335 transitions. [2024-12-02 15:12:14,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 15:12:14,292 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:14,293 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:14,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:12:14,293 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:14,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:14,293 INFO L85 PathProgramCache]: Analyzing trace with hash 311954791, now seen corresponding path program 1 times [2024-12-02 15:12:14,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:14,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158606561] [2024-12-02 15:12:14,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:14,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:14,537 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:14,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:14,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158606561] [2024-12-02 15:12:14,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158606561] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:14,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:14,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:12:14,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120727479] [2024-12-02 15:12:14,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:14,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:12:14,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:14,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:12:14,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:12:14,539 INFO L87 Difference]: Start difference. First operand 246 states and 335 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:15,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:15,051 INFO L93 Difference]: Finished difference Result 482 states and 660 transitions. [2024-12-02 15:12:15,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:12:15,051 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 117 [2024-12-02 15:12:15,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:15,054 INFO L225 Difference]: With dead ends: 482 [2024-12-02 15:12:15,054 INFO L226 Difference]: Without dead ends: 359 [2024-12-02 15:12:15,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:12:15,055 INFO L435 NwaCegarLoop]: 201 mSDtfsCounter, 188 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:15,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 547 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:12:15,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-12-02 15:12:15,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 249. [2024-12-02 15:12:15,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 214 states have (on average 1.2757009345794392) internal successors, (273), 214 states have internal predecessors, (273), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 337 transitions. [2024-12-02 15:12:15,075 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 337 transitions. Word has length 117 [2024-12-02 15:12:15,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:15,076 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 337 transitions. [2024-12-02 15:12:15,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:15,076 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 337 transitions. [2024-12-02 15:12:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 15:12:15,077 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:15,077 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:15,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:12:15,077 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:15,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:15,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1841354652, now seen corresponding path program 1 times [2024-12-02 15:12:15,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:15,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339525496] [2024-12-02 15:12:15,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:15,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:15,398 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:15,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:15,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339525496] [2024-12-02 15:12:15,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339525496] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:15,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:15,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:12:15,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758814965] [2024-12-02 15:12:15,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:15,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:12:15,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:15,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:12:15,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:12:15,399 INFO L87 Difference]: Start difference. First operand 249 states and 337 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:15,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:15,716 INFO L93 Difference]: Finished difference Result 601 states and 818 transitions. [2024-12-02 15:12:15,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:12:15,717 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 117 [2024-12-02 15:12:15,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:15,719 INFO L225 Difference]: With dead ends: 601 [2024-12-02 15:12:15,719 INFO L226 Difference]: Without dead ends: 355 [2024-12-02 15:12:15,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:12:15,720 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 71 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:15,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 715 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:12:15,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-12-02 15:12:15,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 257. [2024-12-02 15:12:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 222 states have (on average 1.2702702702702702) internal successors, (282), 222 states have internal predecessors, (282), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:15,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 346 transitions. [2024-12-02 15:12:15,758 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 346 transitions. Word has length 117 [2024-12-02 15:12:15,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:15,759 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 346 transitions. [2024-12-02 15:12:15,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:15,759 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 346 transitions. [2024-12-02 15:12:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 15:12:15,761 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:15,761 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:15,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:12:15,761 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:15,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:15,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1428385392, now seen corresponding path program 1 times [2024-12-02 15:12:15,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:15,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534228153] [2024-12-02 15:12:15,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:15,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:16,300 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:16,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:16,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534228153] [2024-12-02 15:12:16,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534228153] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:16,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:16,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:12:16,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622018889] [2024-12-02 15:12:16,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:16,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:12:16,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:16,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:12:16,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:12:16,302 INFO L87 Difference]: Start difference. First operand 257 states and 346 transitions. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:16,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:16,618 INFO L93 Difference]: Finished difference Result 636 states and 834 transitions. [2024-12-02 15:12:16,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:12:16,618 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 118 [2024-12-02 15:12:16,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:16,620 INFO L225 Difference]: With dead ends: 636 [2024-12-02 15:12:16,621 INFO L226 Difference]: Without dead ends: 382 [2024-12-02 15:12:16,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:12:16,622 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 136 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:16,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 584 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:12:16,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-12-02 15:12:16,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 253. [2024-12-02 15:12:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 218 states have (on average 1.2706422018348624) internal successors, (277), 218 states have internal predecessors, (277), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:16,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 341 transitions. [2024-12-02 15:12:16,661 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 341 transitions. Word has length 118 [2024-12-02 15:12:16,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:16,661 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 341 transitions. [2024-12-02 15:12:16,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:16,662 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 341 transitions. [2024-12-02 15:12:16,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 15:12:16,663 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:16,663 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:16,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:12:16,663 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:16,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:16,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1228026897, now seen corresponding path program 1 times [2024-12-02 15:12:16,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:16,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719925177] [2024-12-02 15:12:16,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:16,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:16,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:16,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719925177] [2024-12-02 15:12:16,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719925177] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:16,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:16,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 15:12:16,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363819686] [2024-12-02 15:12:16,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:16,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:12:16,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:16,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:12:16,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:12:16,985 INFO L87 Difference]: Start difference. First operand 253 states and 341 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:17,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:17,658 INFO L93 Difference]: Finished difference Result 607 states and 820 transitions. [2024-12-02 15:12:17,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:12:17,658 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 118 [2024-12-02 15:12:17,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:17,661 INFO L225 Difference]: With dead ends: 607 [2024-12-02 15:12:17,661 INFO L226 Difference]: Without dead ends: 357 [2024-12-02 15:12:17,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:12:17,662 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 163 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:17,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 681 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 15:12:17,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-12-02 15:12:17,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 259. [2024-12-02 15:12:17,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 224 states have (on average 1.2678571428571428) internal successors, (284), 224 states have internal predecessors, (284), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 348 transitions. [2024-12-02 15:12:17,699 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 348 transitions. Word has length 118 [2024-12-02 15:12:17,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:17,700 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 348 transitions. [2024-12-02 15:12:17,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:17,700 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 348 transitions. [2024-12-02 15:12:17,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 15:12:17,702 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:17,702 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:17,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:12:17,702 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:17,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:17,703 INFO L85 PathProgramCache]: Analyzing trace with hash -79395406, now seen corresponding path program 1 times [2024-12-02 15:12:17,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:17,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553158158] [2024-12-02 15:12:17,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:17,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:18,305 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:18,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:18,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553158158] [2024-12-02 15:12:18,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553158158] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:18,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:18,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:12:18,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132091633] [2024-12-02 15:12:18,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:18,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:12:18,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:18,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:12:18,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:12:18,307 INFO L87 Difference]: Start difference. First operand 259 states and 348 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:18,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:18,802 INFO L93 Difference]: Finished difference Result 544 states and 738 transitions. [2024-12-02 15:12:18,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:12:18,802 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 118 [2024-12-02 15:12:18,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:18,804 INFO L225 Difference]: With dead ends: 544 [2024-12-02 15:12:18,804 INFO L226 Difference]: Without dead ends: 286 [2024-12-02 15:12:18,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:12:18,805 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 124 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:18,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 356 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:12:18,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-12-02 15:12:18,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 238. [2024-12-02 15:12:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 203 states have (on average 1.2561576354679802) internal successors, (255), 203 states have internal predecessors, (255), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:18,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 319 transitions. [2024-12-02 15:12:18,848 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 319 transitions. Word has length 118 [2024-12-02 15:12:18,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:18,848 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 319 transitions. [2024-12-02 15:12:18,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:18,849 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 319 transitions. [2024-12-02 15:12:18,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 15:12:18,850 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:18,850 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:18,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:12:18,850 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:18,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:18,851 INFO L85 PathProgramCache]: Analyzing trace with hash 775746169, now seen corresponding path program 1 times [2024-12-02 15:12:18,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:18,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250767025] [2024-12-02 15:12:18,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:18,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:18,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:18,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250767025] [2024-12-02 15:12:18,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250767025] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:18,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:18,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:12:18,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102747763] [2024-12-02 15:12:18,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:18,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:12:18,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:18,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:12:18,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:12:18,933 INFO L87 Difference]: Start difference. First operand 238 states and 319 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:19,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:19,024 INFO L93 Difference]: Finished difference Result 560 states and 758 transitions. [2024-12-02 15:12:19,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:12:19,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 118 [2024-12-02 15:12:19,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:19,027 INFO L225 Difference]: With dead ends: 560 [2024-12-02 15:12:19,027 INFO L226 Difference]: Without dead ends: 325 [2024-12-02 15:12:19,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:12:19,028 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 66 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:19,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 237 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:12:19,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-12-02 15:12:19,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 234. [2024-12-02 15:12:19,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 199 states have (on average 1.2412060301507537) internal successors, (247), 199 states have internal predecessors, (247), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:19,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 311 transitions. [2024-12-02 15:12:19,068 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 311 transitions. Word has length 118 [2024-12-02 15:12:19,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:19,069 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 311 transitions. [2024-12-02 15:12:19,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:19,069 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 311 transitions. [2024-12-02 15:12:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 15:12:19,070 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:19,071 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:19,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:12:19,071 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:19,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:19,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1009172179, now seen corresponding path program 1 times [2024-12-02 15:12:19,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:19,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709053589] [2024-12-02 15:12:19,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:19,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:19,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:19,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709053589] [2024-12-02 15:12:19,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709053589] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:19,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:19,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:12:19,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102068046] [2024-12-02 15:12:19,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:19,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:12:19,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:19,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:12:19,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:12:19,372 INFO L87 Difference]: Start difference. First operand 234 states and 311 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:19,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:19,662 INFO L93 Difference]: Finished difference Result 573 states and 769 transitions. [2024-12-02 15:12:19,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:12:19,662 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 118 [2024-12-02 15:12:19,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:19,664 INFO L225 Difference]: With dead ends: 573 [2024-12-02 15:12:19,664 INFO L226 Difference]: Without dead ends: 342 [2024-12-02 15:12:19,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:12:19,666 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 65 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:19,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 706 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 15:12:19,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-12-02 15:12:19,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 247. [2024-12-02 15:12:19,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 212 states have (on average 1.2452830188679245) internal successors, (264), 212 states have internal predecessors, (264), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:19,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 328 transitions. [2024-12-02 15:12:19,707 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 328 transitions. Word has length 118 [2024-12-02 15:12:19,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:19,708 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 328 transitions. [2024-12-02 15:12:19,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:19,708 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 328 transitions. [2024-12-02 15:12:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-02 15:12:19,709 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:19,710 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:19,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:12:19,710 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:19,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:19,710 INFO L85 PathProgramCache]: Analyzing trace with hash -298250124, now seen corresponding path program 1 times [2024-12-02 15:12:19,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:19,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697086813] [2024-12-02 15:12:19,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:19,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:20,383 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:20,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:20,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697086813] [2024-12-02 15:12:20,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697086813] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:20,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:20,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:12:20,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540876893] [2024-12-02 15:12:20,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:20,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:12:20,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:20,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:12:20,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 15:12:20,385 INFO L87 Difference]: Start difference. First operand 247 states and 328 transitions. Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:21,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:21,065 INFO L93 Difference]: Finished difference Result 513 states and 668 transitions. [2024-12-02 15:12:21,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:12:21,066 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 118 [2024-12-02 15:12:21,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:21,068 INFO L225 Difference]: With dead ends: 513 [2024-12-02 15:12:21,068 INFO L226 Difference]: Without dead ends: 376 [2024-12-02 15:12:21,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2024-12-02 15:12:21,069 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 153 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:21,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 972 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:12:21,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-12-02 15:12:21,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 247. [2024-12-02 15:12:21,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 212 states have (on average 1.2452830188679245) internal successors, (264), 212 states have internal predecessors, (264), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:21,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 328 transitions. [2024-12-02 15:12:21,110 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 328 transitions. Word has length 118 [2024-12-02 15:12:21,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:21,110 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 328 transitions. [2024-12-02 15:12:21,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:21,110 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 328 transitions. [2024-12-02 15:12:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 15:12:21,112 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:21,112 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:21,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:12:21,112 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:21,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:21,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1925779713, now seen corresponding path program 1 times [2024-12-02 15:12:21,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:21,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490331018] [2024-12-02 15:12:21,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:21,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:21,161 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:21,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:21,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490331018] [2024-12-02 15:12:21,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490331018] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:21,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:21,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:12:21,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374021941] [2024-12-02 15:12:21,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:21,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:12:21,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:21,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:12:21,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:12:21,163 INFO L87 Difference]: Start difference. First operand 247 states and 328 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:21,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:21,259 INFO L93 Difference]: Finished difference Result 583 states and 780 transitions. [2024-12-02 15:12:21,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:12:21,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 119 [2024-12-02 15:12:21,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:21,262 INFO L225 Difference]: With dead ends: 583 [2024-12-02 15:12:21,262 INFO L226 Difference]: Without dead ends: 339 [2024-12-02 15:12:21,262 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:12:21,263 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 83 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:21,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 181 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:12:21,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-12-02 15:12:21,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 247. [2024-12-02 15:12:21,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 212 states have (on average 1.2358490566037736) internal successors, (262), 212 states have internal predecessors, (262), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:21,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 326 transitions. [2024-12-02 15:12:21,319 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 326 transitions. Word has length 119 [2024-12-02 15:12:21,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:21,319 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 326 transitions. [2024-12-02 15:12:21,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 326 transitions. [2024-12-02 15:12:21,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 15:12:21,321 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:21,321 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:21,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:12:21,322 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:21,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:21,322 INFO L85 PathProgramCache]: Analyzing trace with hash 377135429, now seen corresponding path program 1 times [2024-12-02 15:12:21,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:21,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607552080] [2024-12-02 15:12:21,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:21,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:21,386 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:21,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:21,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607552080] [2024-12-02 15:12:21,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607552080] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:21,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:21,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:12:21,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828931933] [2024-12-02 15:12:21,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:21,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:12:21,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:21,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:12:21,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:12:21,388 INFO L87 Difference]: Start difference. First operand 247 states and 326 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:21,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:21,523 INFO L93 Difference]: Finished difference Result 665 states and 889 transitions. [2024-12-02 15:12:21,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:12:21,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 119 [2024-12-02 15:12:21,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:21,526 INFO L225 Difference]: With dead ends: 665 [2024-12-02 15:12:21,526 INFO L226 Difference]: Without dead ends: 421 [2024-12-02 15:12:21,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:12:21,528 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 92 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:21,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 158 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:12:21,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-12-02 15:12:21,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 251. [2024-12-02 15:12:21,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 216 states have (on average 1.2314814814814814) internal successors, (266), 216 states have internal predecessors, (266), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:21,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 330 transitions. [2024-12-02 15:12:21,568 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 330 transitions. Word has length 119 [2024-12-02 15:12:21,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:21,569 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 330 transitions. [2024-12-02 15:12:21,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:21,569 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 330 transitions. [2024-12-02 15:12:21,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 15:12:21,570 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:21,571 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:21,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:12:21,571 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:21,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:21,571 INFO L85 PathProgramCache]: Analyzing trace with hash 635300867, now seen corresponding path program 1 times [2024-12-02 15:12:21,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:21,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194813220] [2024-12-02 15:12:21,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:21,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:22,224 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:22,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:22,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194813220] [2024-12-02 15:12:22,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194813220] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:22,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:22,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 15:12:22,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668620264] [2024-12-02 15:12:22,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:22,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:12:22,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:22,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:12:22,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:12:22,226 INFO L87 Difference]: Start difference. First operand 251 states and 330 transitions. Second operand has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:22,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:22,850 INFO L93 Difference]: Finished difference Result 517 states and 666 transitions. [2024-12-02 15:12:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:12:22,851 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 119 [2024-12-02 15:12:22,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:22,853 INFO L225 Difference]: With dead ends: 517 [2024-12-02 15:12:22,853 INFO L226 Difference]: Without dead ends: 378 [2024-12-02 15:12:22,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:12:22,854 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 201 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:22,854 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 985 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:12:22,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-12-02 15:12:22,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 249. [2024-12-02 15:12:22,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 214 states have (on average 1.233644859813084) internal successors, (264), 214 states have internal predecessors, (264), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:22,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 328 transitions. [2024-12-02 15:12:22,894 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 328 transitions. Word has length 119 [2024-12-02 15:12:22,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:22,894 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 328 transitions. [2024-12-02 15:12:22,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:22,894 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 328 transitions. [2024-12-02 15:12:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 15:12:22,895 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:22,895 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:22,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:12:22,896 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:22,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:22,896 INFO L85 PathProgramCache]: Analyzing trace with hash 180736704, now seen corresponding path program 1 times [2024-12-02 15:12:22,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:22,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541679030] [2024-12-02 15:12:22,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:22,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:23,235 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:23,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:23,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541679030] [2024-12-02 15:12:23,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541679030] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:23,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:23,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:12:23,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502028100] [2024-12-02 15:12:23,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:23,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:12:23,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:23,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:12:23,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:12:23,237 INFO L87 Difference]: Start difference. First operand 249 states and 328 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:23,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:23,630 INFO L93 Difference]: Finished difference Result 516 states and 691 transitions. [2024-12-02 15:12:23,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:12:23,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 119 [2024-12-02 15:12:23,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:23,632 INFO L225 Difference]: With dead ends: 516 [2024-12-02 15:12:23,633 INFO L226 Difference]: Without dead ends: 379 [2024-12-02 15:12:23,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:12:23,634 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 216 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:23,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 441 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:12:23,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-12-02 15:12:23,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 234. [2024-12-02 15:12:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 199 states have (on average 1.2412060301507537) internal successors, (247), 199 states have internal predecessors, (247), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:23,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 311 transitions. [2024-12-02 15:12:23,677 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 311 transitions. Word has length 119 [2024-12-02 15:12:23,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:23,678 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 311 transitions. [2024-12-02 15:12:23,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:23,678 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 311 transitions. [2024-12-02 15:12:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 15:12:23,679 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:23,679 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:23,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:12:23,679 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:23,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:23,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1703919601, now seen corresponding path program 1 times [2024-12-02 15:12:23,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:23,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014199687] [2024-12-02 15:12:23,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:23,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:24,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:12:24,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014199687] [2024-12-02 15:12:24,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014199687] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:24,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:24,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:12:24,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412179386] [2024-12-02 15:12:24,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:24,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:12:24,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:12:24,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:12:24,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:12:24,023 INFO L87 Difference]: Start difference. First operand 234 states and 311 transitions. Second operand has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:24,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:24,266 INFO L93 Difference]: Finished difference Result 452 states and 583 transitions. [2024-12-02 15:12:24,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 15:12:24,266 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 119 [2024-12-02 15:12:24,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:24,268 INFO L225 Difference]: With dead ends: 452 [2024-12-02 15:12:24,268 INFO L226 Difference]: Without dead ends: 330 [2024-12-02 15:12:24,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:12:24,269 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 71 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:24,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 647 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:12:24,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-12-02 15:12:24,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 238. [2024-12-02 15:12:24,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 203 states have (on average 1.2413793103448276) internal successors, (252), 203 states have internal predecessors, (252), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 15:12:24,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 316 transitions. [2024-12-02 15:12:24,313 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 316 transitions. Word has length 119 [2024-12-02 15:12:24,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:24,313 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 316 transitions. [2024-12-02 15:12:24,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 10 states have internal predecessors, (42), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 316 transitions. [2024-12-02 15:12:24,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-12-02 15:12:24,315 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:24,315 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:24,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:12:24,315 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:24,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:24,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1530613012, now seen corresponding path program 1 times [2024-12-02 15:12:24,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:12:24,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925134249] [2024-12-02 15:12:24,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:24,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:12:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:12:24,357 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:12:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:12:24,444 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:12:24,444 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:12:24,445 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:12:24,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:12:24,450 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] [2024-12-02 15:12:24,508 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:12:24,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:12:24 BoogieIcfgContainer [2024-12-02 15:12:24,511 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:12:24,512 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:12:24,512 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:12:24,512 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:12:24,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:08" (3/4) ... [2024-12-02 15:12:24,514 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:12:24,515 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:12:24,516 INFO L158 Benchmark]: Toolchain (without parser) took 16758.13ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 92.6MB in the beginning and 265.4MB in the end (delta: -172.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-12-02 15:12:24,516 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:12:24,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.89ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.2MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:12:24,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.46ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:12:24,517 INFO L158 Benchmark]: Boogie Preprocessor took 45.47ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 70.2MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:12:24,517 INFO L158 Benchmark]: RCFGBuilder took 402.55ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 48.7MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:12:24,517 INFO L158 Benchmark]: TraceAbstraction took 16016.34ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 48.1MB in the beginning and 265.5MB in the end (delta: -217.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:12:24,517 INFO L158 Benchmark]: Witness Printer took 3.66ms. Allocated memory is still 327.2MB. Free memory was 265.5MB in the beginning and 265.4MB in the end (delta: 66.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:12:24,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.89ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 78.2MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.46ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.47ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 70.2MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 402.55ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 48.7MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16016.34ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 48.1MB in the beginning and 265.5MB in the end (delta: -217.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.66ms. Allocated memory is still 327.2MB. Free memory was 265.5MB in the beginning and 265.4MB in the end (delta: 66.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 102, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 64; [L23] unsigned char var_1_7 = 0; [L24] unsigned short int var_1_11 = 500; [L25] unsigned char var_1_13 = 64; [L26] unsigned char var_1_15 = 1; [L27] unsigned char var_1_16 = 8; [L28] double var_1_17 = 7.5; [L29] double var_1_18 = 31.125; [L30] double var_1_19 = 10.5; [L31] double var_1_20 = 0.0; [L32] double var_1_21 = 16.75; [L33] double var_1_22 = 2.5; [L34] double var_1_23 = 64.5; [L35] signed long int var_1_24 = 10; [L36] signed char var_1_26 = 16; [L37] signed char var_1_27 = 4; [L38] signed char var_1_28 = -10; [L39] float var_1_29 = 63.794; [L40] unsigned short int var_1_30 = 1; [L41] signed long int var_1_31 = -2; [L42] unsigned char var_1_32 = 64; [L43] signed long int last_1_var_1_1 = 64; [L44] unsigned char last_1_var_1_13 = 64; VAL [isInitial=0, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L125] isInitial = 1 [L126] FCALL initially() [L128] CALL updateLastVariables() [L117] last_1_var_1_1 = var_1_1 [L118] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L128] RET updateLastVariables() [L129] CALL updateVariables() [L88] var_1_7 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64] [L89] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64] [L90] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L90] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L91] var_1_15 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L92] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L93] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L93] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L94] var_1_16 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L95] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L96] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L96] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L97] var_1_18 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L98] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L99] var_1_19 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L100] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L101] var_1_20 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L102] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L103] var_1_21 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L104] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L105] var_1_22 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L106] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L107] var_1_23 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L108] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L109] var_1_27 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L110] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L111] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L111] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L112] var_1_28 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_28 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L113] RET assume_abort_if_not(var_1_28 >= -63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L114] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L114] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L129] RET updateVariables() [L130] CALL step() [L48] COND FALSE !(last_1_var_1_1 != last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_7=0] [L51] var_1_31 = var_1_13 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_7=0] [L52] COND FALSE !(\read(var_1_7)) [L55] var_1_17 = var_1_22 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_7=0] [L57] COND FALSE !(\read(var_1_7)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=64, var_1_7=0] [L60] var_1_32 = var_1_16 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=0, var_1_7=0] [L61] EXPR var_1_32 >> var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=500, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=0, var_1_7=0] [L61] COND TRUE (var_1_32 >> var_1_32) < var_1_13 [L62] var_1_11 = var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=64, var_1_32=0, var_1_7=0] [L64] var_1_30 = var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=16, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_7=0] [L65] COND TRUE var_1_11 >= var_1_30 [L66] var_1_26 = (var_1_27 + var_1_28) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=10, var_1_26=0, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_7=0] [L68] COND TRUE ! var_1_7 [L69] var_1_24 = (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=-64, var_1_26=0, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_7=0] [L77] EXPR (var_1_31 + 4u) | var_1_30 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=64, var_1_22=505, var_1_24=-64, var_1_26=0, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_7=0] [L77] COND TRUE 32u < ((var_1_31 + 4u) | var_1_30) [L78] var_1_1 = (var_1_26 + (var_1_26 + var_1_32)) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=0, var_1_22=505, var_1_24=-64, var_1_26=0, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_7=0] [L130] RET step() [L131] CALL, EXPR property() [L121] EXPR (var_1_31 + 4u) | var_1_30 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=0, var_1_22=505, var_1_24=-64, var_1_26=0, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_7=0] [L121] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=0, var_1_22=505, var_1_24=-64, var_1_26=0, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_7=0] [L121] EXPR var_1_32 >> var_1_32 VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=0, var_1_22=505, var_1_24=-64, var_1_26=0, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_7=0] [L121] EXPR ((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=0, var_1_22=505, var_1_24=-64, var_1_26=0, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_7=0] [L121-L122] return ((((((((((32u < ((var_1_31 + 4u) | var_1_30)) ? (var_1_1 == ((signed long int) (var_1_26 + (var_1_26 + var_1_32)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_26) < ((var_1_11 - var_1_32))) ? (var_1_26) : ((var_1_11 - var_1_32)))))) : (var_1_1 == ((signed long int) (var_1_32 - var_1_13))))) && (((var_1_32 >> var_1_32) < var_1_13) ? (var_1_11 == ((unsigned short int) var_1_32)) : 1)) && ((last_1_var_1_1 != last_1_var_1_13) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) < ((var_1_30 + var_1_15))) ? (((((var_1_30) > (var_1_13)) ? (var_1_30) : (var_1_13)))) : ((var_1_30 + var_1_15))))))) : ((var_1_11 < var_1_30) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_26))))) && ((var_1_11 >= var_1_30) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_32))) && (var_1_31 == ((signed long int) var_1_13))) && (var_1_32 == ((unsigned char) var_1_16)) ; [L131] RET, EXPR property() [L131] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=0, var_1_22=505, var_1_24=-64, var_1_26=0, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_7=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=64, last_1_var_1_1=64, var_1_11=0, var_1_13=64, var_1_15=64, var_1_16=0, var_1_17=505, var_1_1=0, var_1_22=505, var_1_24=-64, var_1_26=0, var_1_27=63, var_1_28=-63, var_1_29=31897/500, var_1_30=0, var_1_31=64, var_1_32=0, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 21, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2428 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2428 mSDsluCounter, 10159 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7457 mSDsCounter, 500 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4132 IncrementalHoareTripleChecker+Invalid, 4632 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 500 mSolverCounterUnsat, 2702 mSDtfsCounter, 4132 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 337 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=259occurred in iteration=11, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 20 MinimizatonAttempts, 1850 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 2589 NumberOfCodeBlocks, 2589 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2448 ConstructedInterpolants, 0 QuantifiedInterpolants, 6692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 21 InterpolantComputations, 20 PerfectInterpolantSequences, 10050/10080 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 15:12:24,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 98d888997158447b2a3898a53afaa14cf68ee37a80eaa35550740ccfab812c92 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:12:26,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:12:26,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:12:26,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:12:26,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:12:26,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:12:26,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:12:26,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:12:26,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:12:26,609 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:12:26,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:12:26,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:12:26,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:12:26,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:12:26,610 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:12:26,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:12:26,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:12:26,610 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:12:26,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:12:26,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:12:26,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:12:26,610 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:12:26,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:12:26,610 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:12:26,611 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:12:26,611 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:12:26,611 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:12:26,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:12:26,611 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:12:26,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:12:26,611 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:12:26,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:12:26,611 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:12:26,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:12:26,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:12:26,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:12:26,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:12:26,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:12:26,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:12:26,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:12:26,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:12:26,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:12:26,612 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:12:26,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:12:26,612 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:12:26,613 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:12:26,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:12:26,613 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:12:26,613 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:12:26,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:12:26,613 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_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98d888997158447b2a3898a53afaa14cf68ee37a80eaa35550740ccfab812c92 [2024-12-02 15:12:26,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:12:26,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:12:26,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:12:26,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:12:26,869 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:12:26,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-63.i [2024-12-02 15:12:29,638 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/data/f52e8db83/e3e966fc4d534513b71479b7724f798a/FLAGedc19bef1 [2024-12-02 15:12:29,827 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:12:29,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-63.i [2024-12-02 15:12:29,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/data/f52e8db83/e3e966fc4d534513b71479b7724f798a/FLAGedc19bef1 [2024-12-02 15:12:29,850 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/data/f52e8db83/e3e966fc4d534513b71479b7724f798a [2024-12-02 15:12:29,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:12:29,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:12:29,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:12:29,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:12:29,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:12:29,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:29" (1/1) ... [2024-12-02 15:12:29,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e3e46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:29, skipping insertion in model container [2024-12-02 15:12:29,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:29" (1/1) ... [2024-12-02 15:12:29,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:12:29,996 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_08397718-f34a-4c77-8cff-89a6c9d9e2ce/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-63.i[919,932] [2024-12-02 15:12:30,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:12:30,059 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:12:30,067 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_08397718-f34a-4c77-8cff-89a6c9d9e2ce/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-63.i[919,932] [2024-12-02 15:12:30,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:12:30,111 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:12:30,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30 WrapperNode [2024-12-02 15:12:30,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:12:30,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:12:30,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:12:30,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:12:30,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,149 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 131 [2024-12-02 15:12:30,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:12:30,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:12:30,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:12:30,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:12:30,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,161 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,172 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 15:12:30,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,182 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,189 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:12:30,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:12:30,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:12:30,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:12:30,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (1/1) ... [2024-12-02 15:12:30,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:12:30,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:12:30,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:12:30,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:12:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:12:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:12:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:12:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:12:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:12:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:12:30,305 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:12:30,307 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:12:37,103 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 15:12:37,104 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:12:37,111 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:12:37,112 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:12:37,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:37 BoogieIcfgContainer [2024-12-02 15:12:37,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:12:37,114 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:12:37,114 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:12:37,118 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:12:37,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:12:29" (1/3) ... [2024-12-02 15:12:37,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6d3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:37, skipping insertion in model container [2024-12-02 15:12:37,119 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:30" (2/3) ... [2024-12-02 15:12:37,119 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6d3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:12:37, skipping insertion in model container [2024-12-02 15:12:37,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:37" (3/3) ... [2024-12-02 15:12:37,121 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-63.i [2024-12-02 15:12:37,131 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:12:37,132 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_codestructure_dependencies_file-63.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:12:37,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:12:37,178 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;@7f08df18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:12:37,178 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:12:37,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:12:37,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 15:12:37,187 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:37,188 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:37,188 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:37,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:37,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1221950911, now seen corresponding path program 1 times [2024-12-02 15:12:37,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:12:37,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330682460] [2024-12-02 15:12:37,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:37,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:12:37,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:12:37,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:12:37,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 15:12:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:37,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:12:37,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:12:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2024-12-02 15:12:37,617 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:12:37,618 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:12:37,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330682460] [2024-12-02 15:12:37,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1330682460] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:37,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:37,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:12:37,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94061884] [2024-12-02 15:12:37,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:37,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:12:37,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:12:37,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:12:37,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:12:37,642 INFO L87 Difference]: Start difference. First operand has 58 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:12:37,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:37,666 INFO L93 Difference]: Finished difference Result 109 states and 180 transitions. [2024-12-02 15:12:37,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:12:37,668 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 110 [2024-12-02 15:12:37,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:37,674 INFO L225 Difference]: With dead ends: 109 [2024-12-02 15:12:37,674 INFO L226 Difference]: Without dead ends: 54 [2024-12-02 15:12:37,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:12:37,680 INFO L435 NwaCegarLoop]: 78 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, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:37,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:12:37,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-12-02 15:12:37,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-12-02 15:12:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:12:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2024-12-02 15:12:37,716 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 110 [2024-12-02 15:12:37,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:37,717 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2024-12-02 15:12:37,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:12:37,717 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2024-12-02 15:12:37,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 15:12:37,720 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:37,720 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:37,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 15:12:37,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:12:37,921 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:37,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:37,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1847373171, now seen corresponding path program 1 times [2024-12-02 15:12:37,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:12:37,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401672139] [2024-12-02 15:12:37,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:37,922 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:12:37,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:12:37,924 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:12:37,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 15:12:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:38,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:12:38,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:12:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 15:12:38,379 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:12:38,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:12:38,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401672139] [2024-12-02 15:12:38,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401672139] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:12:38,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:12:38,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:12:38,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304987590] [2024-12-02 15:12:38,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:12:38,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:12:38,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:12:38,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:12:38,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:12:38,382 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:42,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:12:44,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:12:44,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:12:44,533 INFO L93 Difference]: Finished difference Result 121 states and 175 transitions. [2024-12-02 15:12:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:12:44,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 110 [2024-12-02 15:12:44,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:12:44,536 INFO L225 Difference]: With dead ends: 121 [2024-12-02 15:12:44,536 INFO L226 Difference]: Without dead ends: 70 [2024-12-02 15:12:44,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:12:44,537 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 14 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:12:44,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 148 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-12-02 15:12:44,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-12-02 15:12:44,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 62. [2024-12-02 15:12:44,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 44 states have internal predecessors, (57), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 15:12:44,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions. [2024-12-02 15:12:44,547 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 110 [2024-12-02 15:12:44,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:12:44,549 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 89 transitions. [2024-12-02 15:12:44,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 15:12:44,549 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-12-02 15:12:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-12-02 15:12:44,551 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:12:44,551 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:12:44,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 15:12:44,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:12:44,752 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:12:44,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:12:44,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1488364109, now seen corresponding path program 1 times [2024-12-02 15:12:44,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:12:44,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2054727580] [2024-12-02 15:12:44,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:12:44,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:12:44,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:12:44,754 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:12:44,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08397718-f34a-4c77-8cff-89a6c9d9e2ce/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 15:12:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:12:45,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 15:12:45,109 INFO L279 TraceCheckSpWp]: Computing forward predicates...