./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-4.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_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7eb5dc1b7263248dec04a91cd00b36ee3893c5f231e0b2c2e0e4f773eb58e04d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:30:13,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:30:14,066 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:30:14,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:30:14,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:30:14,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:30:14,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:30:14,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:30:14,130 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:30:14,131 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:30:14,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:30:14,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:30:14,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:30:14,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:30:14,133 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:30:14,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:30:14,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:30:14,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:30:14,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:30:14,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:30:14,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:30:14,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:30:14,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:30:14,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:30:14,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:30:14,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:30:14,136 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:30:14,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:30:14,136 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:30:14,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:14,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:30:14,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:30:14,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:14,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:30:14,138 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:14,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:30:14,139 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:30:14,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:14,139 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:30:14,139 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:30:14,139 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:30:14,139 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:30:14,139 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:30:14,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:30:14,140 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:30:14,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:30:14,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:30:14,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:30:14,140 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_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7eb5dc1b7263248dec04a91cd00b36ee3893c5f231e0b2c2e0e4f773eb58e04d [2024-11-28 04:30:14,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:30:14,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:30:14,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:30:14,533 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:30:14,534 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:30:14,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-4.i [2024-11-28 04:30:17,938 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/data/2fc3ce05e/8a8819fcfe934a6abf35b580f451d344/FLAGa8ca31bef [2024-11-28 04:30:18,287 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:30:18,288 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-4.i [2024-11-28 04:30:18,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/data/2fc3ce05e/8a8819fcfe934a6abf35b580f451d344/FLAGa8ca31bef [2024-11-28 04:30:18,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/data/2fc3ce05e/8a8819fcfe934a6abf35b580f451d344 [2024-11-28 04:30:18,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:30:18,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:30:18,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:18,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:30:18,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:30:18,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:18,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26644465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18, skipping insertion in model container [2024-11-28 04:30:18,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:18,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:30:18,633 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_99ff15a1-693c-44ea-8cc3-a0eb77383f97/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-4.i[912,925] [2024-11-28 04:30:18,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:18,765 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:30:18,781 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_99ff15a1-693c-44ea-8cc3-a0eb77383f97/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-4.i[912,925] [2024-11-28 04:30:18,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:18,877 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:30:18,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18 WrapperNode [2024-11-28 04:30:18,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:18,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:18,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:30:18,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:30:18,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:18,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:18,967 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-11-28 04:30:18,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:18,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:30:18,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:30:18,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:30:18,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:18,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:18,985 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:19,017 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:30:19,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:19,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:19,025 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:19,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:19,031 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:19,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:19,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:19,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:30:19,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:30:19,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:30:19,045 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:30:19,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (1/1) ... [2024-11-28 04:30:19,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:19,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:19,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:30:19,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:30:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:30:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:30:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:30:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:30:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:30:19,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:30:19,243 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:30:19,245 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:30:19,700 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-28 04:30:19,701 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:30:19,721 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:30:19,721 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:30:19,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:19 BoogieIcfgContainer [2024-11-28 04:30:19,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:30:19,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:30:19,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:30:19,730 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:30:19,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:30:18" (1/3) ... [2024-11-28 04:30:19,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e8e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:30:19, skipping insertion in model container [2024-11-28 04:30:19,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:18" (2/3) ... [2024-11-28 04:30:19,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e8e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:30:19, skipping insertion in model container [2024-11-28 04:30:19,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:19" (3/3) ... [2024-11-28 04:30:19,733 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-4.i [2024-11-28 04:30:19,752 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:30:19,754 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-4.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:30:19,844 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:30:19,860 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;@32098f73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:30:19,860 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:30:19,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:30:19,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 04:30:19,884 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:19,885 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:19,885 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:19,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:19,894 INFO L85 PathProgramCache]: Analyzing trace with hash -246695732, now seen corresponding path program 1 times [2024-11-28 04:30:19,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:19,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585985722] [2024-11-28 04:30:19,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:19,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:20,448 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 04:30:20,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:20,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585985722] [2024-11-28 04:30:20,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585985722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:30:20,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454577983] [2024-11-28 04:30:20,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:20,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:20,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:20,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:20,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:30:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:20,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:30:20,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-28 04:30:20,791 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:30:20,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454577983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:20,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:30:20,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:30:20,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541154414] [2024-11-28 04:30:20,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:20,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:30:20,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:20,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:30:20,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:30:20,833 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:30:20,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:20,865 INFO L93 Difference]: Finished difference Result 121 states and 208 transitions. [2024-11-28 04:30:20,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:30:20,867 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2024-11-28 04:30:20,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:20,876 INFO L225 Difference]: With dead ends: 121 [2024-11-28 04:30:20,877 INFO L226 Difference]: Without dead ends: 60 [2024-11-28 04:30:20,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:30:20,887 INFO L435 NwaCegarLoop]: 89 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, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:20,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:30:20,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-28 04:30:20,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-28 04:30:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:30:20,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2024-11-28 04:30:20,960 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 129 [2024-11-28 04:30:20,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:20,962 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2024-11-28 04:30:20,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:30:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2024-11-28 04:30:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 04:30:20,969 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:20,969 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:20,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:30:21,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:30:21,170 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:21,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:21,171 INFO L85 PathProgramCache]: Analyzing trace with hash -157864659, now seen corresponding path program 1 times [2024-11-28 04:30:21,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:21,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040591501] [2024-11-28 04:30:21,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:21,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:30:22,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:22,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040591501] [2024-11-28 04:30:22,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040591501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:22,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:22,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:30:22,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058350712] [2024-11-28 04:30:22,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:22,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:30:22,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:22,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:30:22,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:22,453 INFO L87 Difference]: Start difference. First operand 60 states and 89 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:22,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:22,599 INFO L93 Difference]: Finished difference Result 174 states and 261 transitions. [2024-11-28 04:30:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:30:22,600 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-11-28 04:30:22,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:22,608 INFO L225 Difference]: With dead ends: 174 [2024-11-28 04:30:22,608 INFO L226 Difference]: Without dead ends: 117 [2024-11-28 04:30:22,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:22,611 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 47 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:22,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 171 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:30:22,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-28 04:30:22,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2024-11-28 04:30:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:30:22,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 173 transitions. [2024-11-28 04:30:22,683 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 173 transitions. Word has length 130 [2024-11-28 04:30:22,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:22,687 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 173 transitions. [2024-11-28 04:30:22,687 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:22,688 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 173 transitions. [2024-11-28 04:30:22,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 04:30:22,690 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:22,691 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:22,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:30:22,694 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:22,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:22,695 INFO L85 PathProgramCache]: Analyzing trace with hash -416030097, now seen corresponding path program 1 times [2024-11-28 04:30:22,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:22,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305705519] [2024-11-28 04:30:22,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:22,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:24,180 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:30:24,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:24,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305705519] [2024-11-28 04:30:24,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305705519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:24,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:24,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:30:24,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725630751] [2024-11-28 04:30:24,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:24,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:30:24,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:24,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:30:24,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:30:24,188 INFO L87 Difference]: Start difference. First operand 115 states and 173 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:24,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:24,382 INFO L93 Difference]: Finished difference Result 202 states and 296 transitions. [2024-11-28 04:30:24,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:30:24,385 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-11-28 04:30:24,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:24,387 INFO L225 Difference]: With dead ends: 202 [2024-11-28 04:30:24,387 INFO L226 Difference]: Without dead ends: 145 [2024-11-28 04:30:24,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:30:24,393 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 50 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:24,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 163 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:30:24,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-28 04:30:24,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 125. [2024-11-28 04:30:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 82 states have (on average 1.3170731707317074) internal successors, (108), 82 states have internal predecessors, (108), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:30:24,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 188 transitions. [2024-11-28 04:30:24,452 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 188 transitions. Word has length 130 [2024-11-28 04:30:24,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:24,453 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 188 transitions. [2024-11-28 04:30:24,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 188 transitions. [2024-11-28 04:30:24,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 04:30:24,457 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:24,458 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:24,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:30:24,460 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:24,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:24,461 INFO L85 PathProgramCache]: Analyzing trace with hash -414183055, now seen corresponding path program 1 times [2024-11-28 04:30:24,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:24,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105307601] [2024-11-28 04:30:24,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:24,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:30:32,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:32,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105307601] [2024-11-28 04:30:32,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105307601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:32,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:32,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 04:30:32,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883089224] [2024-11-28 04:30:32,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:32,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 04:30:32,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:32,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:30:32,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:30:32,433 INFO L87 Difference]: Start difference. First operand 125 states and 188 transitions. Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:35,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:35,356 INFO L93 Difference]: Finished difference Result 412 states and 604 transitions. [2024-11-28 04:30:35,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:30:35,358 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-11-28 04:30:35,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:35,362 INFO L225 Difference]: With dead ends: 412 [2024-11-28 04:30:35,362 INFO L226 Difference]: Without dead ends: 290 [2024-11-28 04:30:35,363 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:30:35,365 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 170 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:35,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 465 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 04:30:35,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-28 04:30:35,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 252. [2024-11-28 04:30:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 182 states have (on average 1.3186813186813187) internal successors, (240), 184 states have internal predecessors, (240), 64 states have call successors, (64), 5 states have call predecessors, (64), 5 states have return successors, (64), 62 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-28 04:30:35,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 368 transitions. [2024-11-28 04:30:35,458 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 368 transitions. Word has length 130 [2024-11-28 04:30:35,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:35,458 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 368 transitions. [2024-11-28 04:30:35,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 368 transitions. [2024-11-28 04:30:35,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:30:35,468 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:35,468 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:35,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:30:35,469 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:35,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:35,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1321620594, now seen corresponding path program 1 times [2024-11-28 04:30:35,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:35,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454908566] [2024-11-28 04:30:35,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:35,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:35,812 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:30:35,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:35,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454908566] [2024-11-28 04:30:35,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454908566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:35,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:35,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:30:35,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261404916] [2024-11-28 04:30:35,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:35,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:30:35,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:35,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:30:35,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:30:35,819 INFO L87 Difference]: Start difference. First operand 252 states and 368 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:36,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:36,115 INFO L93 Difference]: Finished difference Result 376 states and 555 transitions. [2024-11-28 04:30:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:30:36,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-11-28 04:30:36,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:36,121 INFO L225 Difference]: With dead ends: 376 [2024-11-28 04:30:36,121 INFO L226 Difference]: Without dead ends: 309 [2024-11-28 04:30:36,122 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 [2024-11-28 04:30:36,123 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 73 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:36,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 246 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:30:36,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-28 04:30:36,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 307. [2024-11-28 04:30:36,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 216 states have (on average 1.3148148148148149) internal successors, (284), 218 states have internal predecessors, (284), 84 states have call successors, (84), 6 states have call predecessors, (84), 6 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-28 04:30:36,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 452 transitions. [2024-11-28 04:30:36,194 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 452 transitions. Word has length 131 [2024-11-28 04:30:36,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:36,195 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 452 transitions. [2024-11-28 04:30:36,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:36,195 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 452 transitions. [2024-11-28 04:30:36,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:30:36,201 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:36,202 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:36,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:30:36,202 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:36,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:36,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1063455156, now seen corresponding path program 1 times [2024-11-28 04:30:36,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:36,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067381990] [2024-11-28 04:30:36,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:36,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:36,535 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:30:36,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:36,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067381990] [2024-11-28 04:30:36,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067381990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:30:36,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306391486] [2024-11-28 04:30:36,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:36,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:36,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:36,545 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:36,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:30:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:36,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:30:36,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2024-11-28 04:30:37,082 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:30:37,452 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:30:37,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306391486] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:30:37,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:30:37,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-28 04:30:37,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806380343] [2024-11-28 04:30:37,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:30:37,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:30:37,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:37,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:30:37,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:30:37,458 INFO L87 Difference]: Start difference. First operand 307 states and 452 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-28 04:30:37,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:37,772 INFO L93 Difference]: Finished difference Result 459 states and 655 transitions. [2024-11-28 04:30:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:30:37,773 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 131 [2024-11-28 04:30:37,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:37,776 INFO L225 Difference]: With dead ends: 459 [2024-11-28 04:30:37,776 INFO L226 Difference]: Without dead ends: 155 [2024-11-28 04:30:37,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:30:37,782 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 33 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:37,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 130 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:30:37,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-28 04:30:37,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 143. [2024-11-28 04:30:37,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 96 states have (on average 1.1666666666666667) internal successors, (112), 96 states have internal predecessors, (112), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:30:37,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 192 transitions. [2024-11-28 04:30:37,822 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 192 transitions. Word has length 131 [2024-11-28 04:30:37,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:37,823 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 192 transitions. [2024-11-28 04:30:37,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2024-11-28 04:30:37,824 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 192 transitions. [2024-11-28 04:30:37,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:30:37,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:37,826 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:37,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:30:38,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:38,031 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:38,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:38,032 INFO L85 PathProgramCache]: Analyzing trace with hash 695481101, now seen corresponding path program 1 times [2024-11-28 04:30:38,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:38,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851810837] [2024-11-28 04:30:38,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:38,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:38,538 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:30:38,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:38,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851810837] [2024-11-28 04:30:38,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851810837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:38,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:38,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:30:38,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79656401] [2024-11-28 04:30:38,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:38,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:30:38,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:38,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:30:38,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:30:38,542 INFO L87 Difference]: Start difference. First operand 143 states and 192 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:38,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:38,930 INFO L93 Difference]: Finished difference Result 295 states and 394 transitions. [2024-11-28 04:30:38,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:30:38,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-11-28 04:30:38,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:38,934 INFO L225 Difference]: With dead ends: 295 [2024-11-28 04:30:38,934 INFO L226 Difference]: Without dead ends: 155 [2024-11-28 04:30:38,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:30:38,936 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 45 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:38,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 257 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:30:38,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-28 04:30:38,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 130. [2024-11-28 04:30:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 83 states have (on average 1.1204819277108433) internal successors, (93), 83 states have internal predecessors, (93), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:30:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 173 transitions. [2024-11-28 04:30:38,974 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 173 transitions. Word has length 131 [2024-11-28 04:30:38,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:38,975 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 173 transitions. [2024-11-28 04:30:38,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:38,975 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 173 transitions. [2024-11-28 04:30:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:30:38,977 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:38,978 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:38,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:30:38,978 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:38,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:38,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1282287115, now seen corresponding path program 1 times [2024-11-28 04:30:38,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:38,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933782440] [2024-11-28 04:30:38,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:38,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:39,451 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:30:39,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:39,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933782440] [2024-11-28 04:30:39,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933782440] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:30:39,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275226543] [2024-11-28 04:30:39,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:39,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:39,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:39,454 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:39,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:30:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:39,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:30:39,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:40,153 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 93 proven. 54 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-11-28 04:30:40,153 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:30:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:30:40,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275226543] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:30:40,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:30:40,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2024-11-28 04:30:40,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038583306] [2024-11-28 04:30:40,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:30:40,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 04:30:40,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:40,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 04:30:40,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:30:40,542 INFO L87 Difference]: Start difference. First operand 130 states and 173 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 04:30:41,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:41,525 INFO L93 Difference]: Finished difference Result 290 states and 382 transitions. [2024-11-28 04:30:41,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 04:30:41,526 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 131 [2024-11-28 04:30:41,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:41,529 INFO L225 Difference]: With dead ends: 290 [2024-11-28 04:30:41,531 INFO L226 Difference]: Without dead ends: 211 [2024-11-28 04:30:41,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 255 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:30:41,533 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 105 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:41,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 438 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-28 04:30:41,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-28 04:30:41,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 185. [2024-11-28 04:30:41,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 115 states have (on average 1.1217391304347826) internal successors, (129), 115 states have internal predecessors, (129), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:30:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 249 transitions. [2024-11-28 04:30:41,590 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 249 transitions. Word has length 131 [2024-11-28 04:30:41,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:41,590 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 249 transitions. [2024-11-28 04:30:41,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 04:30:41,590 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 249 transitions. [2024-11-28 04:30:41,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:30:41,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:41,593 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:41,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:30:41,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:41,794 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:41,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:41,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1284134157, now seen corresponding path program 1 times [2024-11-28 04:30:41,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:41,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995778914] [2024-11-28 04:30:41,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:41,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:30:41,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:41,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995778914] [2024-11-28 04:30:41,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995778914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:41,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:41,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:30:41,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773880733] [2024-11-28 04:30:41,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:41,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:30:41,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:41,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:30:41,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:41,988 INFO L87 Difference]: Start difference. First operand 185 states and 249 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:42,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:42,091 INFO L93 Difference]: Finished difference Result 387 states and 522 transitions. [2024-11-28 04:30:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:30:42,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-11-28 04:30:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:42,095 INFO L225 Difference]: With dead ends: 387 [2024-11-28 04:30:42,096 INFO L226 Difference]: Without dead ends: 249 [2024-11-28 04:30:42,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:30:42,102 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 74 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:42,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 166 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:30:42,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-28 04:30:42,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 247. [2024-11-28 04:30:42,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 154 states have (on average 1.12987012987013) internal successors, (174), 154 states have internal predecessors, (174), 80 states have call successors, (80), 12 states have call predecessors, (80), 12 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-28 04:30:42,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 334 transitions. [2024-11-28 04:30:42,162 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 334 transitions. Word has length 131 [2024-11-28 04:30:42,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:42,166 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 334 transitions. [2024-11-28 04:30:42,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:42,166 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 334 transitions. [2024-11-28 04:30:42,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:30:42,167 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:42,168 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:42,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:30:42,168 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:42,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:42,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1191285994, now seen corresponding path program 1 times [2024-11-28 04:30:42,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:42,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353412230] [2024-11-28 04:30:42,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:42,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:30:42,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:42,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353412230] [2024-11-28 04:30:42,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353412230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:30:42,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:30:42,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:30:42,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98709345] [2024-11-28 04:30:42,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:30:42,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:30:42,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:42,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:30:42,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:30:42,365 INFO L87 Difference]: Start difference. First operand 247 states and 334 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:42,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:42,596 INFO L93 Difference]: Finished difference Result 563 states and 762 transitions. [2024-11-28 04:30:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:30:42,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-11-28 04:30:42,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:42,604 INFO L225 Difference]: With dead ends: 563 [2024-11-28 04:30:42,604 INFO L226 Difference]: Without dead ends: 367 [2024-11-28 04:30:42,605 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:30:42,606 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 84 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:42,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 297 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:30:42,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-28 04:30:42,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 363. [2024-11-28 04:30:42,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 224 states have (on average 1.1160714285714286) internal successors, (250), 224 states have internal predecessors, (250), 120 states have call successors, (120), 18 states have call predecessors, (120), 18 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-28 04:30:42,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 490 transitions. [2024-11-28 04:30:42,690 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 490 transitions. Word has length 131 [2024-11-28 04:30:42,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:42,691 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 490 transitions. [2024-11-28 04:30:42,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:30:42,691 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 490 transitions. [2024-11-28 04:30:42,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:30:42,693 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:42,693 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:42,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:30:42,693 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:42,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:42,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1871344364, now seen corresponding path program 1 times [2024-11-28 04:30:42,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:42,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811539753] [2024-11-28 04:30:42,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:42,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 24 proven. 33 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:30:43,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:30:43,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811539753] [2024-11-28 04:30:43,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811539753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:30:43,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983780850] [2024-11-28 04:30:43,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:43,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:43,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:43,602 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:43,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:30:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:30:44,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 04:30:44,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:30:46,091 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 400 proven. 60 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-11-28 04:30:46,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:30:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 48 proven. 63 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-28 04:30:47,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983780850] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:30:47,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:30:47,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 11] total 26 [2024-11-28 04:30:47,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777218912] [2024-11-28 04:30:47,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:30:47,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-28 04:30:47,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:30:47,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-28 04:30:47,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2024-11-28 04:30:47,383 INFO L87 Difference]: Start difference. First operand 363 states and 490 transitions. Second operand has 26 states, 25 states have (on average 3.8) internal successors, (95), 24 states have internal predecessors, (95), 8 states have call successors, (60), 4 states have call predecessors, (60), 8 states have return successors, (60), 8 states have call predecessors, (60), 8 states have call successors, (60) [2024-11-28 04:30:49,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:30:49,332 INFO L93 Difference]: Finished difference Result 494 states and 646 transitions. [2024-11-28 04:30:49,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-28 04:30:49,333 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.8) internal successors, (95), 24 states have internal predecessors, (95), 8 states have call successors, (60), 4 states have call predecessors, (60), 8 states have return successors, (60), 8 states have call predecessors, (60), 8 states have call successors, (60) Word has length 131 [2024-11-28 04:30:49,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:30:49,336 INFO L225 Difference]: With dead ends: 494 [2024-11-28 04:30:49,336 INFO L226 Difference]: Without dead ends: 182 [2024-11-28 04:30:49,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 540 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=715, Invalid=1835, Unknown=0, NotChecked=0, Total=2550 [2024-11-28 04:30:49,339 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 571 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 1031 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:30:49,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 300 Invalid, 1031 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 04:30:49,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-28 04:30:49,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 130. [2024-11-28 04:30:49,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 79 states have (on average 1.0379746835443038) internal successors, (82), 79 states have internal predecessors, (82), 40 states have call successors, (40), 10 states have call predecessors, (40), 10 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:30:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 162 transitions. [2024-11-28 04:30:49,404 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 162 transitions. Word has length 131 [2024-11-28 04:30:49,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:30:49,405 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 162 transitions. [2024-11-28 04:30:49,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.8) internal successors, (95), 24 states have internal predecessors, (95), 8 states have call successors, (60), 4 states have call predecessors, (60), 8 states have return successors, (60), 8 states have call predecessors, (60), 8 states have call successors, (60) [2024-11-28 04:30:49,405 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 162 transitions. [2024-11-28 04:30:49,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 04:30:49,407 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:49,407 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:49,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:30:49,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 04:30:49,608 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:49,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:49,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1995455282, now seen corresponding path program 1 times [2024-11-28 04:30:49,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:30:49,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544457402] [2024-11-28 04:30:49,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:49,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:30:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:30:49,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [848763039] [2024-11-28 04:30:49,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:49,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:30:49,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:49,707 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:30:49,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:30:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:50,473 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:30:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:30:50,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:30:50,633 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:30:50,635 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:30:50,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:30:50,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-28 04:30:50,840 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:50,931 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:30:50,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:30:50 BoogieIcfgContainer [2024-11-28 04:30:50,939 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:30:50,939 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:30:50,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:30:50,940 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:30:50,944 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:19" (3/4) ... [2024-11-28 04:30:50,947 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:30:50,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:30:50,953 INFO L158 Benchmark]: Toolchain (without parser) took 32590.05ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 94.9MB in the beginning and 276.2MB in the end (delta: -181.3MB). Peak memory consumption was 126.9MB. Max. memory is 16.1GB. [2024-11-28 04:30:50,954 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:30:50,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.69ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 80.7MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:30:50,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.78ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:30:50,956 INFO L158 Benchmark]: Boogie Preprocessor took 75.92ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 74.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:30:50,956 INFO L158 Benchmark]: RCFGBuilder took 676.33ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 54.2MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:30:50,957 INFO L158 Benchmark]: TraceAbstraction took 31213.89ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 53.6MB in the beginning and 276.3MB in the end (delta: -222.7MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. [2024-11-28 04:30:50,957 INFO L158 Benchmark]: Witness Printer took 12.87ms. Allocated memory is still 427.8MB. Free memory was 276.3MB in the beginning and 276.2MB in the end (delta: 87.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:30:50,959 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.69ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 80.7MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.78ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.92ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 74.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 676.33ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 54.2MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 31213.89ms. Allocated memory was 117.4MB in the beginning and 427.8MB in the end (delta: 310.4MB). Free memory was 53.6MB in the beginning and 276.3MB in the end (delta: -222.7MB). Peak memory consumption was 85.0MB. Max. memory is 16.1GB. * Witness Printer took 12.87ms. Allocated memory is still 427.8MB. Free memory was 276.3MB in the beginning and 276.2MB in the end (delta: 87.0kB). 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 someBinaryArithmeticDOUBLEoperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 131, overapproximation of someBinaryDOUBLEComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned short int var_1_6 = 4; [L26] unsigned short int var_1_9 = 4; [L27] unsigned short int var_1_10 = 10; [L28] double var_1_11 = 15.6; [L29] double var_1_12 = 256.4; [L30] double var_1_13 = 49.15; [L31] unsigned long int var_1_14 = 500; [L32] unsigned long int var_1_15 = 2173307753; [L33] unsigned long int var_1_16 = 3362224480; [L34] signed short int var_1_17 = 16; [L35] signed short int var_1_19 = 16; [L36] signed short int var_1_20 = 4; [L37] signed short int var_1_21 = 0; [L38] signed short int var_1_22 = -25; [L39] unsigned short int last_1_var_1_6 = 4; [L40] unsigned short int last_1_var_1_9 = 4; [L41] unsigned long int last_1_var_1_14 = 500; [L42] signed short int last_1_var_1_17 = 16; VAL [isInitial=0, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L135] isInitial = 1 [L136] FCALL initially() [L138] CALL updateLastVariables() [L125] last_1_var_1_6 = var_1_6 [L126] last_1_var_1_9 = var_1_9 [L127] last_1_var_1_14 = var_1_14 [L128] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L138] RET updateLastVariables() [L139] CALL updateVariables() [L92] var_1_4 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_5=0, var_1_6=4, var_1_9=4] [L93] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_5=0, var_1_6=4, var_1_9=4] [L94] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L94] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L95] var_1_5 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_6=4, var_1_9=4] [L96] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_6=4, var_1_9=4] [L97] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L97] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L98] var_1_10 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L99] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L100] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L100] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L101] var_1_12 = __VERIFIER_nondet_double() [L102] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L102] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L103] var_1_13 = __VERIFIER_nondet_double() [L104] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L104] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L105] var_1_15 = __VERIFIER_nondet_ulong() [L106] CALL assume_abort_if_not(var_1_15 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L106] RET assume_abort_if_not(var_1_15 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L107] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L107] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3362224480, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L108] var_1_16 = __VERIFIER_nondet_ulong() [L109] CALL assume_abort_if_not(var_1_16 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L109] RET assume_abort_if_not(var_1_16 >= 3221225470) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L110] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L110] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L111] var_1_19 = __VERIFIER_nondet_short() [L112] CALL assume_abort_if_not(var_1_19 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L112] RET assume_abort_if_not(var_1_19 >= -16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L113] CALL assume_abort_if_not(var_1_19 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L113] RET assume_abort_if_not(var_1_19 <= 16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L114] var_1_20 = __VERIFIER_nondet_short() [L115] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L115] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L116] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L116] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L117] var_1_21 = __VERIFIER_nondet_short() [L118] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L118] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L119] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L119] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-25, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L120] var_1_22 = __VERIFIER_nondet_short() [L121] CALL assume_abort_if_not(var_1_22 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L121] RET assume_abort_if_not(var_1_22 >= -16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L122] CALL assume_abort_if_not(var_1_22 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L122] RET assume_abort_if_not(var_1_22 <= 16383) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L139] RET updateVariables() [L140] CALL step() [L46] signed long int stepLocal_0 = last_1_var_1_9; VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L47] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L52] signed long int stepLocal_3 = last_1_var_1_9; VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_3=4, var_1_10=0, var_1_11=78/5, var_1_14=500, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L53] COND TRUE last_1_var_1_14 >= stepLocal_3 [L54] var_1_14 = (((((var_1_15) > ((var_1_16 - var_1_10))) ? (var_1_15) : ((var_1_16 - var_1_10)))) - last_1_var_1_17) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L56] COND TRUE var_1_6 <= var_1_14 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L57] COND TRUE (- var_1_14) > var_1_6 [L58] var_1_1 = 0 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L63] unsigned char stepLocal_2 = var_1_4; [L64] unsigned long int stepLocal_1 = var_1_14; VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_1=3221225454, stepLocal_2=0, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L65] COND FALSE !(stepLocal_2 || var_1_1) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_1=3221225454, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=4] [L68] COND TRUE stepLocal_1 >= var_1_6 [L69] var_1_9 = var_1_10 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L74] unsigned char stepLocal_5 = var_1_1; [L75] unsigned char stepLocal_4 = var_1_1; VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_4=0, stepLocal_5=0, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L76] COND FALSE !(stepLocal_4 && (var_1_5 && (var_1_12 < var_1_13))) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_5=0, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L83] COND TRUE var_1_14 <= var_1_14 VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_5=0, var_1_10=0, var_1_11=78/5, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L84] COND TRUE ! var_1_1 [L85] var_1_11 = (var_1_12 - var_1_13) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, stepLocal_0=4, stepLocal_5=0, var_1_10=0, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L140] RET step() [L141] CALL, EXPR property() [L131-L132] return ((((((var_1_6 <= var_1_14) ? (((- var_1_14) > var_1_6) ? (var_1_1 == ((unsigned char) 0)) : 1) : (var_1_1 == ((unsigned char) (var_1_4 || var_1_5)))) && (var_1_5 ? (((last_1_var_1_14 * (last_1_var_1_6 + last_1_var_1_17)) > last_1_var_1_9) ? (var_1_6 == ((unsigned short int) 256)) : 1) : 1)) && ((var_1_4 || var_1_1) ? (var_1_9 == ((unsigned short int) ((((32) < (var_1_10)) ? (32) : (var_1_10))))) : ((var_1_14 >= var_1_6) ? (var_1_9 == ((unsigned short int) var_1_10)) : (var_1_9 == ((unsigned short int) var_1_10))))) && ((var_1_14 <= var_1_14) ? ((! var_1_1) ? (var_1_11 == ((double) (var_1_12 - var_1_13))) : 1) : (var_1_11 == ((double) var_1_12)))) && ((last_1_var_1_14 >= last_1_var_1_9) ? (var_1_14 == ((unsigned long int) (((((var_1_15) > ((var_1_16 - var_1_10))) ? (var_1_15) : ((var_1_16 - var_1_10)))) - last_1_var_1_17))) : 1)) && ((var_1_1 && (var_1_5 && (var_1_12 < var_1_13))) ? ((var_1_1 || (last_1_var_1_17 >= ((((var_1_14) > (var_1_6)) ? (var_1_14) : (var_1_6))))) ? (var_1_17 == ((signed short int) (((((((((var_1_19) > (256)) ? (var_1_19) : (256))) + (var_1_20 - var_1_21))) < ((var_1_22 + 64))) ? ((((((var_1_19) > (256)) ? (var_1_19) : (256))) + (var_1_20 - var_1_21))) : ((var_1_22 + 64)))))) : (var_1_17 == ((signed short int) var_1_19))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L141] RET, EXPR property() [L141] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=500, last_1_var_1_17=16, last_1_var_1_6=4, last_1_var_1_9=4, var_1_10=0, var_1_14=3221225454, var_1_15=3221225470, var_1_16=3221225470, var_1_17=16, var_1_19=-16383, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=-16383, var_1_4=0, var_1_5=0, var_1_6=4, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.0s, OverallIterations: 12, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1273 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1252 mSDsluCounter, 2722 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1725 mSDsCounter, 642 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1843 IncrementalHoareTripleChecker+Invalid, 2485 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 642 mSolverCounterUnsat, 997 mSDtfsCounter, 1843 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1032 GetRequests, 920 SyntacticMatches, 4 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 629 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=363occurred in iteration=10, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 183 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 17.2s InterpolantComputationTime, 2222 NumberOfCodeBlocks, 2222 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2333 ConstructedInterpolants, 0 QuantifiedInterpolants, 9754 SizeOfPredicates, 17 NumberOfNonLiveVariables, 1246 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 13180/13680 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:30:51,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7eb5dc1b7263248dec04a91cd00b36ee3893c5f231e0b2c2e0e4f773eb58e04d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:30:53,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:30:54,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:30:54,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:30:54,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:30:54,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:30:54,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:30:54,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:30:54,081 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:30:54,082 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:30:54,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:30:54,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:30:54,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:30:54,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:30:54,083 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:30:54,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:30:54,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:30:54,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:30:54,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:30:54,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:30:54,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:30:54,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:30:54,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:30:54,086 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:30:54,086 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:30:54,086 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:30:54,086 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:30:54,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:30:54,086 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:30:54,086 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:30:54,086 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:30:54,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:54,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:30:54,086 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:30:54,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:54,087 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:30:54,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:30:54,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:30:54,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:30:54,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:54,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:30:54,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:30:54,089 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:30:54,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:30:54,089 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:30:54,089 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:30:54,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:30:54,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:30:54,090 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:30:54,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:30:54,090 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_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7eb5dc1b7263248dec04a91cd00b36ee3893c5f231e0b2c2e0e4f773eb58e04d [2024-11-28 04:30:54,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:30:54,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:30:54,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:30:54,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:30:54,467 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:30:54,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-4.i [2024-11-28 04:30:57,489 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/data/5d6a2cb2c/f880162f38f44350b49b685e7f538e1d/FLAG8b6a62768 [2024-11-28 04:30:57,836 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:30:57,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-4.i [2024-11-28 04:30:57,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/data/5d6a2cb2c/f880162f38f44350b49b685e7f538e1d/FLAG8b6a62768 [2024-11-28 04:30:57,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/data/5d6a2cb2c/f880162f38f44350b49b685e7f538e1d [2024-11-28 04:30:57,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:30:57,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:30:57,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:57,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:30:57,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:30:57,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:57" (1/1) ... [2024-11-28 04:30:57,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341ec22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:57, skipping insertion in model container [2024-11-28 04:30:57,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:30:57" (1/1) ... [2024-11-28 04:30:57,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:30:58,129 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_99ff15a1-693c-44ea-8cc3-a0eb77383f97/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-4.i[912,925] [2024-11-28 04:30:58,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:58,264 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:30:58,277 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_99ff15a1-693c-44ea-8cc3-a0eb77383f97/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-4.i[912,925] [2024-11-28 04:30:58,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:30:58,355 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:30:58,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58 WrapperNode [2024-11-28 04:30:58,356 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:30:58,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:58,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:30:58,358 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:30:58,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,379 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,415 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-11-28 04:30:58,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:30:58,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:30:58,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:30:58,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:30:58,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,437 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,458 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:30:58,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,467 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,479 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:30:58,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:30:58,483 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:30:58,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:30:58,484 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (1/1) ... [2024-11-28 04:30:58,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:30:58,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:30:58,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:30:58,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:30:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:30:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:30:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:30:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:30:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:30:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:30:58,705 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:30:58,707 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:30:59,669 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-28 04:30:59,669 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:30:59,681 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:30:59,681 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:30:59,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:59 BoogieIcfgContainer [2024-11-28 04:30:59,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:30:59,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:30:59,686 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:30:59,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:30:59,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:30:57" (1/3) ... [2024-11-28 04:30:59,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7702c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:30:59, skipping insertion in model container [2024-11-28 04:30:59,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:30:58" (2/3) ... [2024-11-28 04:30:59,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7702c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:30:59, skipping insertion in model container [2024-11-28 04:30:59,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:30:59" (3/3) ... [2024-11-28 04:30:59,720 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-4.i [2024-11-28 04:30:59,736 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:30:59,738 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodesize_normal_file-4.i that has 2 procedures, 64 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:30:59,830 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:30:59,851 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;@60270bd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:30:59,852 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:30:59,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:30:59,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 04:30:59,875 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:30:59,877 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:30:59,877 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:30:59,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:30:59,885 INFO L85 PathProgramCache]: Analyzing trace with hash -246695732, now seen corresponding path program 1 times [2024-11-28 04:30:59,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:30:59,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746403558] [2024-11-28 04:30:59,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:30:59,903 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:30:59,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:30:59,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:30:59,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 04:31:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:00,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:31:00,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2024-11-28 04:31:00,343 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:31:00,343 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:31:00,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746403558] [2024-11-28 04:31:00,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746403558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:00,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:00,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:31:00,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850061128] [2024-11-28 04:31:00,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:00,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:31:00,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:31:00,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:31:00,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:31:00,378 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 42 states have internal predecessors, (57), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:31:00,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:00,425 INFO L93 Difference]: Finished difference Result 121 states and 208 transitions. [2024-11-28 04:31:00,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:31:00,428 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2024-11-28 04:31:00,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:00,438 INFO L225 Difference]: With dead ends: 121 [2024-11-28 04:31:00,438 INFO L226 Difference]: Without dead ends: 60 [2024-11-28 04:31:00,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:31:00,448 INFO L435 NwaCegarLoop]: 89 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, 89 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:00,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:31:00,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-28 04:31:00,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-28 04:31:00,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-28 04:31:00,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 89 transitions. [2024-11-28 04:31:00,505 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 89 transitions. Word has length 129 [2024-11-28 04:31:00,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:00,507 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 89 transitions. [2024-11-28 04:31:00,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 04:31:00,507 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2024-11-28 04:31:00,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 04:31:00,517 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:00,517 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:00,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 04:31:00,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:00,718 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:31:00,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:00,719 INFO L85 PathProgramCache]: Analyzing trace with hash -157864659, now seen corresponding path program 1 times [2024-11-28 04:31:00,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:31:00,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112132292] [2024-11-28 04:31:00,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:00,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:00,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:31:00,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:31:00,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 04:31:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:01,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:31:01,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:02,972 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:31:02,976 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:31:02,976 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:31:02,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112132292] [2024-11-28 04:31:02,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112132292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:02,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:02,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:31:02,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495989558] [2024-11-28 04:31:02,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:02,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:31:02,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:31:02,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:31:02,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:31:02,982 INFO L87 Difference]: Start difference. First operand 60 states and 89 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:31:04,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:04,457 INFO L93 Difference]: Finished difference Result 175 states and 262 transitions. [2024-11-28 04:31:04,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:31:04,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2024-11-28 04:31:04,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:04,469 INFO L225 Difference]: With dead ends: 175 [2024-11-28 04:31:04,469 INFO L226 Difference]: Without dead ends: 118 [2024-11-28 04:31:04,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:31:04,471 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 51 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:04,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 272 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-28 04:31:04,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-28 04:31:04,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 101. [2024-11-28 04:31:04,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:31:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 151 transitions. [2024-11-28 04:31:04,511 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 151 transitions. Word has length 130 [2024-11-28 04:31:04,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:04,515 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 151 transitions. [2024-11-28 04:31:04,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:31:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2024-11-28 04:31:04,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-28 04:31:04,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:04,521 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:04,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:31:04,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:04,722 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:31:04,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:04,723 INFO L85 PathProgramCache]: Analyzing trace with hash -416030097, now seen corresponding path program 1 times [2024-11-28 04:31:04,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:31:04,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156632184] [2024-11-28 04:31:04,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:04,724 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:04,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:31:04,727 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:31:04,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 04:31:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:05,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:31:05,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:06,450 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 179 proven. 99 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-28 04:31:06,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:31:07,472 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 102 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-28 04:31:07,472 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:31:07,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156632184] [2024-11-28 04:31:07,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156632184] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:31:07,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:31:07,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 14 [2024-11-28 04:31:07,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109376972] [2024-11-28 04:31:07,473 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:31:07,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:31:07,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:31:07,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:31:07,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:31:07,476 INFO L87 Difference]: Start difference. First operand 101 states and 151 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-28 04:31:09,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:09,689 INFO L93 Difference]: Finished difference Result 200 states and 276 transitions. [2024-11-28 04:31:09,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 04:31:09,690 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 130 [2024-11-28 04:31:09,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:09,695 INFO L225 Difference]: With dead ends: 200 [2024-11-28 04:31:09,697 INFO L226 Difference]: Without dead ends: 140 [2024-11-28 04:31:09,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 245 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=155, Invalid=351, Unknown=0, NotChecked=0, Total=506 [2024-11-28 04:31:09,700 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 151 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:09,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 237 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-28 04:31:09,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-28 04:31:09,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 120. [2024-11-28 04:31:09,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 73 states have (on average 1.095890410958904) internal successors, (80), 73 states have internal predecessors, (80), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:31:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 160 transitions. [2024-11-28 04:31:09,760 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 160 transitions. Word has length 130 [2024-11-28 04:31:09,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:09,761 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 160 transitions. [2024-11-28 04:31:09,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-28 04:31:09,761 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 160 transitions. [2024-11-28 04:31:09,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:31:09,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:09,768 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:09,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:31:09,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:09,969 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:31:09,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:09,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1983351693, now seen corresponding path program 1 times [2024-11-28 04:31:09,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:31:09,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424093996] [2024-11-28 04:31:09,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:09,971 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:09,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:31:09,975 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:31:09,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 04:31:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:10,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:31:10,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:10,826 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 93 proven. 54 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-11-28 04:31:10,826 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:31:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:31:11,376 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:31:11,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424093996] [2024-11-28 04:31:11,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424093996] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:31:11,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:31:11,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-11-28 04:31:11,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177044482] [2024-11-28 04:31:11,377 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:31:11,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:31:11,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:31:11,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:31:11,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:31:11,383 INFO L87 Difference]: Start difference. First operand 120 states and 160 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 04:31:13,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:13,204 INFO L93 Difference]: Finished difference Result 265 states and 349 transitions. [2024-11-28 04:31:13,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 04:31:13,205 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 131 [2024-11-28 04:31:13,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:13,208 INFO L225 Difference]: With dead ends: 265 [2024-11-28 04:31:13,209 INFO L226 Difference]: Without dead ends: 196 [2024-11-28 04:31:13,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 253 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-28 04:31:13,211 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 100 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:13,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 350 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-28 04:31:13,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-28 04:31:13,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 176. [2024-11-28 04:31:13,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 106 states have (on average 1.0943396226415094) internal successors, (116), 106 states have internal predecessors, (116), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:31:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 236 transitions. [2024-11-28 04:31:13,273 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 236 transitions. Word has length 131 [2024-11-28 04:31:13,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:13,274 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 236 transitions. [2024-11-28 04:31:13,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (38), 2 states have call predecessors, (38), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2024-11-28 04:31:13,275 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 236 transitions. [2024-11-28 04:31:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:31:13,277 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:13,277 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:13,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-28 04:31:13,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:13,478 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:31:13,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:13,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1985198735, now seen corresponding path program 1 times [2024-11-28 04:31:13,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:31:13,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829150214] [2024-11-28 04:31:13,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:13,480 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:13,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:31:13,482 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:31:13,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-28 04:31:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:13,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:31:13,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 93 proven. 54 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-11-28 04:31:14,951 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:31:15,639 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-28 04:31:15,640 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:31:15,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829150214] [2024-11-28 04:31:15,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829150214] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:31:15,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:31:15,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 9 [2024-11-28 04:31:15,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109116362] [2024-11-28 04:31:15,640 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:31:15,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:31:15,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:31:15,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:31:15,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:31:15,642 INFO L87 Difference]: Start difference. First operand 176 states and 236 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-28 04:31:16,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:16,905 INFO L93 Difference]: Finished difference Result 268 states and 351 transitions. [2024-11-28 04:31:16,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:31:16,918 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 131 [2024-11-28 04:31:16,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:16,921 INFO L225 Difference]: With dead ends: 268 [2024-11-28 04:31:16,921 INFO L226 Difference]: Without dead ends: 143 [2024-11-28 04:31:16,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 252 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:31:16,923 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 65 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:16,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 193 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-28 04:31:16,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-28 04:31:16,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 114. [2024-11-28 04:31:16,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 67 states have (on average 1.0746268656716418) internal successors, (72), 67 states have internal predecessors, (72), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:31:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 152 transitions. [2024-11-28 04:31:16,949 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 152 transitions. Word has length 131 [2024-11-28 04:31:16,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:16,950 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 152 transitions. [2024-11-28 04:31:16,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-28 04:31:16,951 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 152 transitions. [2024-11-28 04:31:16,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:31:16,953 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:16,953 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:16,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-28 04:31:17,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:17,154 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:31:17,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:17,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1191285994, now seen corresponding path program 1 times [2024-11-28 04:31:17,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:31:17,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935020460] [2024-11-28 04:31:17,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:17,155 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:17,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:31:17,157 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:31:17,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-28 04:31:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:17,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:31:17,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-28 04:31:17,921 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:31:17,921 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:31:17,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935020460] [2024-11-28 04:31:17,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935020460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:31:17,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:31:17,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:31:17,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282027574] [2024-11-28 04:31:17,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:31:17,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:31:17,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:31:17,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:31:17,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:31:17,923 INFO L87 Difference]: Start difference. First operand 114 states and 152 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:31:18,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:18,945 INFO L93 Difference]: Finished difference Result 239 states and 318 transitions. [2024-11-28 04:31:18,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:31:18,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2024-11-28 04:31:18,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:18,948 INFO L225 Difference]: With dead ends: 239 [2024-11-28 04:31:18,948 INFO L226 Difference]: Without dead ends: 176 [2024-11-28 04:31:18,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:31:18,950 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 90 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:18,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 204 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-28 04:31:18,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-28 04:31:18,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2024-11-28 04:31:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 104 states have (on average 1.0673076923076923) internal successors, (111), 104 states have internal predecessors, (111), 60 states have call successors, (60), 9 states have call predecessors, (60), 9 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-28 04:31:18,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 231 transitions. [2024-11-28 04:31:18,986 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 231 transitions. Word has length 131 [2024-11-28 04:31:18,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:18,986 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 231 transitions. [2024-11-28 04:31:18,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-28 04:31:18,987 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 231 transitions. [2024-11-28 04:31:18,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-28 04:31:18,989 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:18,989 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:18,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-28 04:31:19,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:19,190 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:31:19,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:19,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1871344364, now seen corresponding path program 1 times [2024-11-28 04:31:19,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:31:19,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1169388201] [2024-11-28 04:31:19,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:19,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:19,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:31:19,193 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:31:19,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-28 04:31:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:19,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:31:19,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:20,888 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 387 proven. 33 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-11-28 04:31:20,889 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:31:21,310 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:31:21,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1169388201] [2024-11-28 04:31:21,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1169388201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:31:21,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [468846547] [2024-11-28 04:31:21,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:21,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:31:21,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:31:21,315 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:31:21,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-28 04:31:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:22,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 04:31:22,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:31:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 438 proven. 57 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-28 04:31:23,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:31:24,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [468846547] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:31:24,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:31:24,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 16 [2024-11-28 04:31:24,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17527718] [2024-11-28 04:31:24,332 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:31:24,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-28 04:31:24,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:31:24,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-28 04:31:24,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:31:24,334 INFO L87 Difference]: Start difference. First operand 174 states and 231 transitions. Second operand has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 5 states have call successors, (40), 5 states have call predecessors, (40), 8 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) [2024-11-28 04:31:29,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:31:29,508 INFO L93 Difference]: Finished difference Result 265 states and 339 transitions. [2024-11-28 04:31:29,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 04:31:29,510 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 5 states have call successors, (40), 5 states have call predecessors, (40), 8 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) Word has length 131 [2024-11-28 04:31:29,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:31:29,511 INFO L225 Difference]: With dead ends: 265 [2024-11-28 04:31:29,511 INFO L226 Difference]: Without dead ends: 142 [2024-11-28 04:31:29,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=444, Invalid=1196, Unknown=0, NotChecked=0, Total=1640 [2024-11-28 04:31:29,512 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 234 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:31:29,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 355 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-28 04:31:29,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-28 04:31:29,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 130. [2024-11-28 04:31:29,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 79 states have (on average 1.0379746835443038) internal successors, (82), 79 states have internal predecessors, (82), 40 states have call successors, (40), 10 states have call predecessors, (40), 10 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-28 04:31:29,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 162 transitions. [2024-11-28 04:31:29,554 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 162 transitions. Word has length 131 [2024-11-28 04:31:29,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:31:29,557 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 162 transitions. [2024-11-28 04:31:29,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 16 states have internal predecessors, (75), 5 states have call successors, (40), 5 states have call predecessors, (40), 8 states have return successors, (40), 5 states have call predecessors, (40), 5 states have call successors, (40) [2024-11-28 04:31:29,558 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 162 transitions. [2024-11-28 04:31:29,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 04:31:29,561 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:31:29,561 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:31:29,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-28 04:31:29,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-28 04:31:29,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:29,962 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:31:29,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:31:29,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1995455282, now seen corresponding path program 1 times [2024-11-28 04:31:29,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:31:29,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004305143] [2024-11-28 04:31:29,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:31:29,964 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 04:31:29,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:31:29,965 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 04:31:29,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99ff15a1-693c-44ea-8cc3-a0eb77383f97/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-28 04:31:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:31:30,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 04:31:30,165 INFO L279 TraceCheckSpWp]: Computing forward predicates...