./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.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_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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_56d74b80-97fd-404c-8430-e47a3c0116f4/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 f14202f951fe89438d327807ffbecb479f5f15295ecb3a059a45561896451f31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:09:06,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:09:06,374 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:09:06,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:09:06,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:09:06,418 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:09:06,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:09:06,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:09:06,419 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:09:06,419 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:09:06,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:09:06,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:09:06,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:09:06,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:09:06,421 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:09:06,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:09:06,422 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:09:06,422 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:09:06,422 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:09:06,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:09:06,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:09:06,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:09:06,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:09:06,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:09:06,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:09:06,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:09:06,423 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:09:06,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:09:06,423 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:09:06,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:09:06,424 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:09:06,424 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:09:06,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:09:06,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:09:06,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:09:06,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:09:06,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:09:06,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:09:06,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:09:06,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:09:06,425 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:09:06,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:09:06,425 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:09:06,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:09:06,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:09:06,426 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:09:06,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:09:06,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:09:06,426 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_56d74b80-97fd-404c-8430-e47a3c0116f4/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 -> f14202f951fe89438d327807ffbecb479f5f15295ecb3a059a45561896451f31 [2024-11-28 03:09:06,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:09:06,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:09:06,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:09:06,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:09:06,758 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:09:06,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i [2024-11-28 03:09:09,695 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/data/5b0a56f44/63f9607b8be74c4cb77b3c89a491d30e/FLAGd527b21df [2024-11-28 03:09:10,015 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:09:10,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i [2024-11-28 03:09:10,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/data/5b0a56f44/63f9607b8be74c4cb77b3c89a491d30e/FLAGd527b21df [2024-11-28 03:09:10,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/data/5b0a56f44/63f9607b8be74c4cb77b3c89a491d30e [2024-11-28 03:09:10,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:09:10,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:09:10,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:09:10,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:09:10,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:09:10,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e763b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10, skipping insertion in model container [2024-11-28 03:09:10,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:09:10,229 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_56d74b80-97fd-404c-8430-e47a3c0116f4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i[919,932] [2024-11-28 03:09:10,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:09:10,328 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:09:10,338 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_56d74b80-97fd-404c-8430-e47a3c0116f4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i[919,932] [2024-11-28 03:09:10,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:09:10,390 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:09:10,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10 WrapperNode [2024-11-28 03:09:10,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:09:10,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:09:10,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:09:10,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:09:10,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,452 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2024-11-28 03:09:10,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:09:10,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:09:10,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:09:10,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:09:10,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,493 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 03:09:10,493 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,502 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:09:10,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:09:10,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:09:10,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:09:10,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (1/1) ... [2024-11-28 03:09:10,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:09:10,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:09:10,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:09:10,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:09:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:09:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:09:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:09:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:09:10,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:09:10,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:09:10,666 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:09:10,670 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:09:11,174 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-28 03:09:11,174 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:09:11,185 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:09:11,185 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:09:11,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:11 BoogieIcfgContainer [2024-11-28 03:09:11,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:09:11,188 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:09:11,188 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:09:11,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:09:11,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:09:10" (1/3) ... [2024-11-28 03:09:11,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5023c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:11, skipping insertion in model container [2024-11-28 03:09:11,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:10" (2/3) ... [2024-11-28 03:09:11,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5023c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:11, skipping insertion in model container [2024-11-28 03:09:11,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:11" (3/3) ... [2024-11-28 03:09:11,196 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i [2024-11-28 03:09:11,214 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:09:11,216 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i that has 2 procedures, 91 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:09:11,283 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:09:11,299 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;@7e57d691, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:09:11,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:09:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:09:11,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 03:09:11,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:09:11,320 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:11,320 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:09:11,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:09:11,324 INFO L85 PathProgramCache]: Analyzing trace with hash 174731053, now seen corresponding path program 1 times [2024-11-28 03:09:11,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:09:11,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128087655] [2024-11-28 03:09:11,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:11,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:09:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-11-28 03:09:11,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:09:11,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128087655] [2024-11-28 03:09:11,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128087655] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:09:11,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299249873] [2024-11-28 03:09:11,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:11,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:09:11,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:09:11,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:09:11,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:09:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:12,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:09:12,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:09:12,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2024-11-28 03:09:12,087 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:09:12,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299249873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:09:12,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:09:12,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:09:12,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686098143] [2024-11-28 03:09:12,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:09:12,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:09:12,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:09:12,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:09:12,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:09:12,122 INFO L87 Difference]: Start difference. First operand has 91 states, 62 states have (on average 1.4516129032258065) internal successors, (90), 63 states have internal predecessors, (90), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 03:09:12,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:09:12,149 INFO L93 Difference]: Finished difference Result 175 states and 304 transitions. [2024-11-28 03:09:12,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:09:12,150 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 172 [2024-11-28 03:09:12,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:09:12,157 INFO L225 Difference]: With dead ends: 175 [2024-11-28 03:09:12,158 INFO L226 Difference]: Without dead ends: 87 [2024-11-28 03:09:12,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 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 03:09:12,164 INFO L435 NwaCegarLoop]: 133 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, 133 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 03:09:12,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:09:12,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-28 03:09:12,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-28 03:09:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 59 states have internal predecessors, (81), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:09:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 133 transitions. [2024-11-28 03:09:12,214 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 133 transitions. Word has length 172 [2024-11-28 03:09:12,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:09:12,214 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 133 transitions. [2024-11-28 03:09:12,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 03:09:12,215 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 133 transitions. [2024-11-28 03:09:12,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 03:09:12,221 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:09:12,222 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:12,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 03:09:12,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:09:12,424 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:09:12,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:09:12,425 INFO L85 PathProgramCache]: Analyzing trace with hash 246179513, now seen corresponding path program 1 times [2024-11-28 03:09:12,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:09:12,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469951932] [2024-11-28 03:09:12,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:12,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:09:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 03:09:13,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:09:13,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469951932] [2024-11-28 03:09:13,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469951932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:09:13,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:09:13,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:09:13,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49437585] [2024-11-28 03:09:13,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:09:13,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:09:13,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:09:13,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:09:13,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:09:13,086 INFO L87 Difference]: Start difference. First operand 87 states and 133 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 03:09:13,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:09:13,216 INFO L93 Difference]: Finished difference Result 255 states and 393 transitions. [2024-11-28 03:09:13,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:09:13,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-11-28 03:09:13,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:09:13,220 INFO L225 Difference]: With dead ends: 255 [2024-11-28 03:09:13,220 INFO L226 Difference]: Without dead ends: 171 [2024-11-28 03:09:13,225 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 03:09:13,225 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 78 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:09:13,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 374 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:09:13,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-28 03:09:13,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2024-11-28 03:09:13,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 03:09:13,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 256 transitions. [2024-11-28 03:09:13,272 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 256 transitions. Word has length 172 [2024-11-28 03:09:13,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:09:13,273 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 256 transitions. [2024-11-28 03:09:13,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 03:09:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 256 transitions. [2024-11-28 03:09:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 03:09:13,278 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:09:13,278 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:13,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:09:13,279 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:09:13,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:09:13,279 INFO L85 PathProgramCache]: Analyzing trace with hash -219057617, now seen corresponding path program 1 times [2024-11-28 03:09:13,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:09:13,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747024729] [2024-11-28 03:09:13,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:13,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:09:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:13,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 03:09:13,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:09:13,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747024729] [2024-11-28 03:09:13,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747024729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:09:13,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:09:13,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:09:13,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081611574] [2024-11-28 03:09:13,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:09:13,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:09:13,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:09:13,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:09:13,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:09:13,782 INFO L87 Difference]: Start difference. First operand 167 states and 256 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 03:09:14,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:09:14,038 INFO L93 Difference]: Finished difference Result 333 states and 513 transitions. [2024-11-28 03:09:14,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:09:14,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2024-11-28 03:09:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:09:14,044 INFO L225 Difference]: With dead ends: 333 [2024-11-28 03:09:14,046 INFO L226 Difference]: Without dead ends: 169 [2024-11-28 03:09:14,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:09:14,048 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 131 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:09:14,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 192 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:09:14,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-28 03:09:14,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2024-11-28 03:09:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 114 states have (on average 1.3508771929824561) internal successors, (154), 114 states have internal predecessors, (154), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 03:09:14,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 258 transitions. [2024-11-28 03:09:14,103 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 258 transitions. Word has length 173 [2024-11-28 03:09:14,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:09:14,106 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 258 transitions. [2024-11-28 03:09:14,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 03:09:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 258 transitions. [2024-11-28 03:09:14,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-28 03:09:14,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:09:14,114 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:14,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:09:14,114 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:09:14,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:09:14,115 INFO L85 PathProgramCache]: Analyzing trace with hash -326008827, now seen corresponding path program 1 times [2024-11-28 03:09:14,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:09:14,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735233599] [2024-11-28 03:09:14,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:14,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:09:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:09:14,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [510917187] [2024-11-28 03:09:14,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:14,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:09:14,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:09:14,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:09:14,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:09:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:14,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:09:14,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:09:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 333 proven. 9 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2024-11-28 03:09:15,087 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:09:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 66 proven. 9 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-28 03:09:16,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:09:16,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735233599] [2024-11-28 03:09:16,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:09:16,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510917187] [2024-11-28 03:09:16,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510917187] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:09:16,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:09:16,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-28 03:09:16,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139229495] [2024-11-28 03:09:16,133 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:09:16,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 03:09:16,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:09:16,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 03:09:16,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-28 03:09:16,136 INFO L87 Difference]: Start difference. First operand 169 states and 258 transitions. Second operand has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-28 03:09:24,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:09:24,669 INFO L93 Difference]: Finished difference Result 735 states and 1073 transitions. [2024-11-28 03:09:24,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 03:09:24,670 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 174 [2024-11-28 03:09:24,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:09:24,677 INFO L225 Difference]: With dead ends: 735 [2024-11-28 03:09:24,677 INFO L226 Difference]: Without dead ends: 569 [2024-11-28 03:09:24,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=368, Invalid=754, Unknown=0, NotChecked=0, Total=1122 [2024-11-28 03:09:24,680 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 973 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 343 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 343 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:09:24,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 390 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [343 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-28 03:09:24,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-28 03:09:24,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 417. [2024-11-28 03:09:24,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 324 states have (on average 1.3888888888888888) internal successors, (450), 328 states have internal predecessors, (450), 84 states have call successors, (84), 8 states have call predecessors, (84), 8 states have return successors, (84), 80 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-28 03:09:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 618 transitions. [2024-11-28 03:09:24,753 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 618 transitions. Word has length 174 [2024-11-28 03:09:24,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:09:24,754 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 618 transitions. [2024-11-28 03:09:24,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.5625) internal successors, (73), 16 states have internal predecessors, (73), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-28 03:09:24,754 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 618 transitions. [2024-11-28 03:09:24,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-28 03:09:24,757 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:09:24,757 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:24,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:09:24,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:09:24,958 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:09:24,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:09:24,958 INFO L85 PathProgramCache]: Analyzing trace with hash 240587453, now seen corresponding path program 1 times [2024-11-28 03:09:24,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:09:24,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92147496] [2024-11-28 03:09:24,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:24,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:09:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:25,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-28 03:09:25,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:09:25,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92147496] [2024-11-28 03:09:25,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92147496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:09:25,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424481128] [2024-11-28 03:09:25,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:25,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:09:25,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:09:25,306 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:09:25,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:09:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:25,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:09:25,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:09:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 633 proven. 27 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-11-28 03:09:25,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:09:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-28 03:09:25,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424481128] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:09:25,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:09:25,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-28 03:09:25,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252104220] [2024-11-28 03:09:25,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:09:25,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:09:25,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:09:25,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:09:25,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:09:25,862 INFO L87 Difference]: Start difference. First operand 417 states and 618 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-28 03:09:26,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:09:26,112 INFO L93 Difference]: Finished difference Result 855 states and 1255 transitions. [2024-11-28 03:09:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:09:26,113 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 174 [2024-11-28 03:09:26,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:09:26,118 INFO L225 Difference]: With dead ends: 855 [2024-11-28 03:09:26,118 INFO L226 Difference]: Without dead ends: 441 [2024-11-28 03:09:26,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:09:26,120 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 73 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:09:26,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 246 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:09:26,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-28 03:09:26,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 425. [2024-11-28 03:09:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 330 states have (on average 1.3636363636363635) internal successors, (450), 334 states have internal predecessors, (450), 84 states have call successors, (84), 10 states have call predecessors, (84), 10 states have return successors, (84), 80 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-28 03:09:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 618 transitions. [2024-11-28 03:09:26,181 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 618 transitions. Word has length 174 [2024-11-28 03:09:26,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:09:26,182 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 618 transitions. [2024-11-28 03:09:26,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-28 03:09:26,182 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 618 transitions. [2024-11-28 03:09:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-28 03:09:26,185 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:09:26,185 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:26,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:09:26,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:09:26,386 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:09:26,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:09:26,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1512402032, now seen corresponding path program 1 times [2024-11-28 03:09:26,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:09:26,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7945528] [2024-11-28 03:09:26,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:26,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:09:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:09:26,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1462775052] [2024-11-28 03:09:26,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:26,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:09:26,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:09:26,541 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:09:26,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:09:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:26,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:09:26,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:09:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-28 03:09:27,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:09:28,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:09:28,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7945528] [2024-11-28 03:09:28,156 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-28 03:09:28,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462775052] [2024-11-28 03:09:28,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462775052] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:09:28,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:09:28,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-28 03:09:28,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092954176] [2024-11-28 03:09:28,157 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-28 03:09:28,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:09:28,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:09:28,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:09:28,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:09:28,158 INFO L87 Difference]: Start difference. First operand 425 states and 618 transitions. Second operand has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-28 03:09:28,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:09:28,976 INFO L93 Difference]: Finished difference Result 961 states and 1354 transitions. [2024-11-28 03:09:28,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 03:09:28,977 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 174 [2024-11-28 03:09:28,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:09:28,981 INFO L225 Difference]: With dead ends: 961 [2024-11-28 03:09:28,981 INFO L226 Difference]: Without dead ends: 539 [2024-11-28 03:09:28,983 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2024-11-28 03:09:28,983 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 149 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:09:28,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 430 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 03:09:28,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-28 03:09:29,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 327. [2024-11-28 03:09:29,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 262 states have (on average 1.366412213740458) internal successors, (358), 262 states have internal predecessors, (358), 52 states have call successors, (52), 12 states have call predecessors, (52), 12 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 03:09:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 462 transitions. [2024-11-28 03:09:29,031 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 462 transitions. Word has length 174 [2024-11-28 03:09:29,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:09:29,031 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 462 transitions. [2024-11-28 03:09:29,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.9) internal successors, (59), 10 states have internal predecessors, (59), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-28 03:09:29,032 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 462 transitions. [2024-11-28 03:09:29,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-28 03:09:29,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:09:29,034 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:29,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:09:29,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-28 03:09:29,239 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:09:29,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:09:29,239 INFO L85 PathProgramCache]: Analyzing trace with hash -913663408, now seen corresponding path program 1 times [2024-11-28 03:09:29,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:09:29,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443010145] [2024-11-28 03:09:29,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:29,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:09:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 03:09:29,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [590380779] [2024-11-28 03:09:29,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:29,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:09:29,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:09:29,357 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:09:29,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:09:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:09:29,535 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:09:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:09:29,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:09:29,711 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:09:29,712 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:09:29,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:09:29,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-28 03:09:29,918 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:09:30,039 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:09:30,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:09:30 BoogieIcfgContainer [2024-11-28 03:09:30,047 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:09:30,047 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:09:30,047 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:09:30,048 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:09:30,049 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:11" (3/4) ... [2024-11-28 03:09:30,052 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:09:30,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:09:30,055 INFO L158 Benchmark]: Toolchain (without parser) took 20000.19ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 119.0MB in the beginning and 345.8MB in the end (delta: -226.8MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2024-11-28 03:09:30,055 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:09:30,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.73ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 103.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:09:30,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.96ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 100.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:09:30,056 INFO L158 Benchmark]: Boogie Preprocessor took 57.68ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 96.3MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:09:30,056 INFO L158 Benchmark]: RCFGBuilder took 670.80ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 71.6MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:09:30,057 INFO L158 Benchmark]: TraceAbstraction took 18858.64ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 71.0MB in the beginning and 345.9MB in the end (delta: -274.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:09:30,057 INFO L158 Benchmark]: Witness Printer took 6.09ms. Allocated memory is still 411.0MB. Free memory was 345.9MB in the beginning and 345.8MB in the end (delta: 81.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:09:30,060 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.73ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 103.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.96ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 100.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.68ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 96.3MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 670.80ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 71.6MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18858.64ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 71.0MB in the beginning and 345.9MB in the end (delta: -274.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.09ms. Allocated memory is still 411.0MB. Free memory was 345.9MB in the beginning and 345.8MB in the end (delta: 81.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 142, overapproximation of someBinaryFLOATComparisonOperation at line 146, overapproximation of someBinaryFLOATComparisonOperation at line 152, overapproximation of someBinaryFLOATComparisonOperation at line 140, overapproximation of someBinaryFLOATComparisonOperation at line 151, overapproximation of someBinaryFLOATComparisonOperation at line 177, overapproximation of someBinaryFLOATComparisonOperation at line 55, overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryFLOATComparisonOperation at line 177, overapproximation of someBinaryFLOATComparisonOperation at line 144, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someBinaryArithmeticFLOAToperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 3.9; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 31.5; [L26] float var_1_5 = 25.4; [L27] float var_1_6 = 9.5; [L28] float var_1_7 = 63.2; [L29] unsigned long int var_1_8 = 1; [L30] signed short int var_1_10 = -50; [L31] unsigned long int var_1_11 = 8; [L32] unsigned char var_1_12 = 32; [L33] float var_1_13 = 15.625; [L34] unsigned char var_1_14 = 1; [L35] unsigned char var_1_15 = 0; [L36] unsigned char var_1_16 = 1; [L37] unsigned char var_1_17 = 1; [L38] unsigned char var_1_19 = 0; [L39] unsigned char var_1_20 = 8; [L40] unsigned short int var_1_21 = 16; [L41] unsigned short int var_1_22 = 128; [L42] signed short int var_1_23 = 128; [L43] unsigned short int var_1_25 = 32; [L44] unsigned char var_1_29 = 1; [L45] unsigned long int var_1_31 = 0; [L46] unsigned char var_1_32 = 1; [L47] unsigned short int var_1_33 = 1000; [L48] signed char var_1_38 = 25; [L49] unsigned short int var_1_39 = 200; [L50] unsigned char var_1_43 = 10; [L51] unsigned char var_1_47 = 0; VAL [isInitial=0, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L181] isInitial = 1 [L182] FCALL initially() [L184] FCALL updateLastVariables() [L185] CALL updateVariables() [L133] var_1_2 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L134] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L135] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L135] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=0, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L136] var_1_3 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L137] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L138] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L138] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_4=63/2, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L139] var_1_4 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L140] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_5=127/5, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L141] var_1_5 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L142] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_6=19/2, var_1_7=316/5, var_1_8=1] [L143] var_1_6 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L144] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_7=316/5, var_1_8=1] [L145] var_1_7 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L146] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=8, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L147] var_1_11 = __VERIFIER_nondet_ulong() [L148] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L148] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L149] CALL assume_abort_if_not(var_1_11 <= 33) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L149] RET assume_abort_if_not(var_1_11 <= 33) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_13=125/8, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L150] var_1_13 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L151] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L152] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L152] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L153] var_1_15 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L154] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L155] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L155] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L156] var_1_16 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L157] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L158] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L158] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L159] var_1_17 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L160] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L161] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L161] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L162] var_1_19 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L163] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L164] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L164] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1000, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L165] var_1_33 = __VERIFIER_nondet_ushort() [L166] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L166] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L167] CALL assume_abort_if_not(var_1_33 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L167] RET assume_abort_if_not(var_1_33 <= 65535) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L168] CALL assume_abort_if_not(var_1_33 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L168] RET assume_abort_if_not(var_1_33 != 0) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=200, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L169] var_1_39 = __VERIFIER_nondet_ushort() [L170] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L170] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L171] CALL assume_abort_if_not(var_1_39 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L171] RET assume_abort_if_not(var_1_39 <= 65535) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L172] CALL assume_abort_if_not(var_1_39 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L172] RET assume_abort_if_not(var_1_39 != 0) VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=32, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L185] RET updateVariables() [L186] CALL step() [L55] COND TRUE var_1_6 == (var_1_4 / var_1_13) [L56] var_1_12 = var_1_11 VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=8, var_1_21=16, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L58] var_1_20 = var_1_11 [L59] var_1_21 = 8 VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L60] EXPR 2u >> var_1_11 VAL [isInitial=1, var_1_10=-50, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L60] COND TRUE (var_1_21 + var_1_12) > (2u >> var_1_11) [L61] COND TRUE var_1_12 != var_1_21 [L62] var_1_10 = var_1_11 VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L67] COND FALSE !(! var_1_2) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L78] unsigned char stepLocal_1 = var_1_14; [L79] unsigned char stepLocal_0 = var_1_14; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L80] COND TRUE var_1_14 || stepLocal_0 VAL [isInitial=1, stepLocal_1=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_1=39/10, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L81] COND TRUE stepLocal_1 || var_1_14 [L82] var_1_1 = (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=1] [L89] COND FALSE !(var_1_6 > (- var_1_7)) [L94] var_1_8 = var_1_20 VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=128, var_1_23=128, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L96] var_1_22 = var_1_8 [L97] var_1_23 = var_1_12 VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L98] COND FALSE !(var_1_11 < var_1_12) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=1, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L103] var_1_29 = var_1_19 VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=0, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L104] COND TRUE var_1_11 >= var_1_11 [L105] var_1_31 = ((((var_1_11) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_11) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L107] COND TRUE var_1_20 < (~ (var_1_11 / var_1_33)) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L108] COND TRUE \read(var_1_17) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=1, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L109] COND TRUE (var_1_13 * var_1_6) == var_1_5 [L110] var_1_32 = var_1_19 VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L122] COND FALSE !(\read(var_1_19)) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=10, var_1_47=0, var_1_8=0] [L127] COND TRUE ((((var_1_11) < (var_1_33)) ? (var_1_11) : (var_1_33))) < (var_1_39 + var_1_12) [L128] var_1_43 = ((((var_1_11) < ((((((100 + var_1_11)) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? ((100 + var_1_11)) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))))) ? (var_1_11) : ((((((100 + var_1_11)) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? ((100 + var_1_11)) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))))) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=-4294967296, var_1_47=0, var_1_8=0] [L130] var_1_47 = var_1_11 VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=-4294967296, var_1_47=-4294967296, var_1_8=0] [L186] RET step() [L187] CALL, EXPR property() [L177] EXPR (((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=-4294967296, var_1_47=-4294967296, var_1_8=0] [L177-L178] return ((((((((var_1_14 || var_1_14) ? ((var_1_14 || var_1_14) ? (var_1_1 == ((float) (((((((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) > (var_1_6)) ? (((((var_1_4) < (var_1_5)) ? (var_1_4) : (var_1_5)))) : (var_1_6))) - var_1_7))) : (var_1_1 == ((float) 1.0000000075E8f))) : (var_1_1 == ((float) var_1_7))) && ((var_1_6 > (- var_1_7)) ? ((var_1_5 == (((((var_1_6 * var_1_7)) > (var_1_1)) ? ((var_1_6 * var_1_7)) : (var_1_1)))) ? (var_1_8 == ((unsigned long int) 8u)) : 1) : (var_1_8 == ((unsigned long int) var_1_20)))) && (((var_1_21 + var_1_12) > (2u >> var_1_11)) ? ((var_1_12 != var_1_21) ? (var_1_10 == ((signed short int) var_1_11)) : (var_1_10 == ((signed short int) 128))) : 1)) && ((var_1_6 == (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned char) var_1_11)) : 1)) && ((! var_1_2) ? ((var_1_2 || var_1_3) ? (var_1_14 == ((unsigned char) ((! (! var_1_15)) && (var_1_16 && var_1_17)))) : ((((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))) >= var_1_21) ? (var_1_14 == ((unsigned char) (var_1_2 || var_1_16))) : (var_1_14 == ((unsigned char) (! var_1_19))))) : 1)) && (var_1_20 == ((unsigned char) var_1_11))) && (var_1_21 == ((unsigned short int) 8))) && (var_1_22 == ((unsigned short int) var_1_8)) ; [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=-4294967296, var_1_47=-4294967296, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=-4294967296, var_1_12=-4294967296, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=1, var_1_19=0, var_1_20=-4294967296, var_1_21=8, var_1_22=0, var_1_23=0, var_1_25=32, var_1_29=0, var_1_2=1, var_1_31=-4294967296, var_1_32=0, var_1_33=1, var_1_38=25, var_1_39=1, var_1_3=1, var_1_43=-4294967296, var_1_47=-4294967296, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.7s, OverallIterations: 7, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1462 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1404 mSDsluCounter, 1765 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1073 mSDsCounter, 393 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1209 IncrementalHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 393 mSolverCounterUnsat, 692 mSDtfsCounter, 1209 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1131 GetRequests, 1062 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=425occurred in iteration=5, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 384 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 2083 NumberOfCodeBlocks, 2083 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1723 ConstructedInterpolants, 0 QuantifiedInterpolants, 3913 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1581 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 12797/13000 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 03:09:30,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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_56d74b80-97fd-404c-8430-e47a3c0116f4/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 f14202f951fe89438d327807ffbecb479f5f15295ecb3a059a45561896451f31 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:09:32,758 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:09:32,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:09:32,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:09:32,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:09:32,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:09:32,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:09:32,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:09:32,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:09:32,919 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:09:32,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:09:32,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:09:32,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:09:32,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:09:32,920 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:09:32,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:09:32,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:09:32,920 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:09:32,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:09:32,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:09:32,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:09:32,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:09:32,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:09:32,921 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:09:32,921 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:09:32,921 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:09:32,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:09:32,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:09:32,921 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:09:32,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:09:32,929 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:09:32,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:09:32,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:09:32,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:09:32,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:09:32,929 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:09:32,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:09:32,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:09:32,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:09:32,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:09:32,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:09:32,930 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:09:32,930 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:09:32,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:09:32,930 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:09:32,930 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:09:32,930 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:09:32,930 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:09:32,930 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:09:32,930 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:09:32,930 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_56d74b80-97fd-404c-8430-e47a3c0116f4/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 -> f14202f951fe89438d327807ffbecb479f5f15295ecb3a059a45561896451f31 [2024-11-28 03:09:33,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:09:33,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:09:33,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:09:33,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:09:33,291 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:09:33,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i [2024-11-28 03:09:36,372 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/data/309b23973/fc3ed0ca2cef4d708c12cd009c07f31e/FLAG4205fc341 [2024-11-28 03:09:36,643 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:09:36,645 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i [2024-11-28 03:09:36,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/data/309b23973/fc3ed0ca2cef4d708c12cd009c07f31e/FLAG4205fc341 [2024-11-28 03:09:36,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/data/309b23973/fc3ed0ca2cef4d708c12cd009c07f31e [2024-11-28 03:09:36,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:09:36,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:09:36,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:09:36,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:09:36,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:09:36,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:36" (1/1) ... [2024-11-28 03:09:36,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ffd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:36, skipping insertion in model container [2024-11-28 03:09:36,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:09:36" (1/1) ... [2024-11-28 03:09:36,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:09:36,910 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_56d74b80-97fd-404c-8430-e47a3c0116f4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i[919,932] [2024-11-28 03:09:37,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:09:37,035 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:09:37,049 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_56d74b80-97fd-404c-8430-e47a3c0116f4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i[919,932] [2024-11-28 03:09:37,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:09:37,109 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:09:37,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37 WrapperNode [2024-11-28 03:09:37,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:09:37,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:09:37,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:09:37,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:09:37,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,163 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-11-28 03:09:37,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:09:37,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:09:37,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:09:37,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:09:37,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,177 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,203 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 03:09:37,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,224 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:09:37,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:09:37,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:09:37,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:09:37,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (1/1) ... [2024-11-28 03:09:37,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:09:37,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:09:37,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:09:37,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:09:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:09:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:09:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:09:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:09:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:09:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:09:37,380 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:09:37,382 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:09:42,656 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 03:09:42,656 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:09:42,670 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:09:42,670 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:09:42,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:42 BoogieIcfgContainer [2024-11-28 03:09:42,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:09:42,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:09:42,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:09:42,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:09:42,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:09:36" (1/3) ... [2024-11-28 03:09:42,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64efb182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:42, skipping insertion in model container [2024-11-28 03:09:42,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:09:37" (2/3) ... [2024-11-28 03:09:42,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64efb182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:09:42, skipping insertion in model container [2024-11-28 03:09:42,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:09:42" (3/3) ... [2024-11-28 03:09:42,681 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i [2024-11-28 03:09:42,696 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:09:42,698 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-27.i that has 2 procedures, 84 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:09:42,773 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:09:42,785 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;@1da63146, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:09:42,785 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:09:42,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:09:42,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 03:09:42,800 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:09:42,800 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:42,801 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:09:42,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:09:42,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1183784408, now seen corresponding path program 1 times [2024-11-28 03:09:42,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:09:42,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379718568] [2024-11-28 03:09:42,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:42,817 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 03:09:42,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:09:42,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:09:42,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:09:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:43,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:09:43,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:09:43,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 450 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2024-11-28 03:09:43,432 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:09:43,433 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:09:43,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379718568] [2024-11-28 03:09:43,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379718568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:09:43,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:09:43,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:09:43,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461530514] [2024-11-28 03:09:43,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:09:43,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:09:43,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:09:43,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:09:43,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:09:43,462 INFO L87 Difference]: Start difference. First operand has 84 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 56 states have internal predecessors, (80), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 03:09:43,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:09:43,498 INFO L93 Difference]: Finished difference Result 161 states and 284 transitions. [2024-11-28 03:09:43,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:09:43,500 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2024-11-28 03:09:43,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:09:43,508 INFO L225 Difference]: With dead ends: 161 [2024-11-28 03:09:43,510 INFO L226 Difference]: Without dead ends: 80 [2024-11-28 03:09:43,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 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 03:09:43,516 INFO L435 NwaCegarLoop]: 122 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, 122 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 03:09:43,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:09:43,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-28 03:09:43,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-28 03:09:43,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 52 states have internal predecessors, (70), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:09:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 122 transitions. [2024-11-28 03:09:43,560 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 122 transitions. Word has length 169 [2024-11-28 03:09:43,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:09:43,560 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 122 transitions. [2024-11-28 03:09:43,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 03:09:43,561 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 122 transitions. [2024-11-28 03:09:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 03:09:43,566 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:09:43,566 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:43,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:09:43,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:09:43,767 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:09:43,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:09:43,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1397158348, now seen corresponding path program 1 times [2024-11-28 03:09:43,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:09:43,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [945591329] [2024-11-28 03:09:43,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:43,769 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 03:09:43,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:09:43,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:09:43,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:09:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:44,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:09:44,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:09:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 619 proven. 48 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2024-11-28 03:09:45,376 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:09:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 03:09:45,889 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:09:45,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [945591329] [2024-11-28 03:09:45,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [945591329] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-28 03:09:45,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:09:45,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-11-28 03:09:45,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503506390] [2024-11-28 03:09:45,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:09:45,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:09:45,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:09:45,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:09:45,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:09:45,893 INFO L87 Difference]: Start difference. First operand 80 states and 122 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 03:09:49,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:09:49,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:09:49,411 INFO L93 Difference]: Finished difference Result 161 states and 244 transitions. [2024-11-28 03:09:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:09:49,433 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2024-11-28 03:09:49,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:09:49,435 INFO L225 Difference]: With dead ends: 161 [2024-11-28 03:09:49,436 INFO L226 Difference]: Without dead ends: 84 [2024-11-28 03:09:49,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:09:49,437 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 72 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:09:49,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 148 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-28 03:09:49,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-28 03:09:49,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-11-28 03:09:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 55 states have (on average 1.309090909090909) internal successors, (72), 55 states have internal predecessors, (72), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-28 03:09:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 124 transitions. [2024-11-28 03:09:49,452 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 124 transitions. Word has length 169 [2024-11-28 03:09:49,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:09:49,453 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 124 transitions. [2024-11-28 03:09:49,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 03:09:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2024-11-28 03:09:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-28 03:09:49,456 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:09:49,456 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:49,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:09:49,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:09:49,657 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:09:49,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:09:49,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1482391893, now seen corresponding path program 1 times [2024-11-28 03:09:49,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:09:49,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739300722] [2024-11-28 03:09:49,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:49,659 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 03:09:49,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:09:49,661 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:09:49,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:09:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:50,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:09:50,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:09:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-28 03:09:51,290 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:09:51,290 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:09:51,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739300722] [2024-11-28 03:09:51,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1739300722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:09:51,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:09:51,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:09:51,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221944446] [2024-11-28 03:09:51,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:09:51,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:09:51,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:09:51,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:09:51,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:09:51,293 INFO L87 Difference]: Start difference. First operand 84 states and 124 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 03:09:54,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:09:54,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:09:54,468 INFO L93 Difference]: Finished difference Result 246 states and 366 transitions. [2024-11-28 03:09:54,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:09:54,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-28 03:09:54,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:09:54,497 INFO L225 Difference]: With dead ends: 246 [2024-11-28 03:09:54,497 INFO L226 Difference]: Without dead ends: 165 [2024-11-28 03:09:54,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:09:54,499 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 37 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:09:54,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 341 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 03:09:54,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-28 03:09:54,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2024-11-28 03:09:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 104 states have (on average 1.2884615384615385) internal successors, (134), 104 states have internal predecessors, (134), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 03:09:54,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 238 transitions. [2024-11-28 03:09:54,541 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 238 transitions. Word has length 170 [2024-11-28 03:09:54,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:09:54,542 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 238 transitions. [2024-11-28 03:09:54,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-28 03:09:54,542 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 238 transitions. [2024-11-28 03:09:54,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-28 03:09:54,545 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:09:54,545 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:09:54,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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)] Ended with exit code 0 [2024-11-28 03:09:54,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:09:54,746 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:09:54,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:09:54,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1248506696, now seen corresponding path program 1 times [2024-11-28 03:09:54,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:09:54,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113540401] [2024-11-28 03:09:54,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:54,748 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 03:09:54,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:09:54,751 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:09:54,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:09:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:55,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 03:09:55,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:09:56,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-28 03:09:56,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:09:57,409 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:09:57,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113540401] [2024-11-28 03:09:57,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113540401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:09:57,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [70108261] [2024-11-28 03:09:57,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:09:57,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:09:57,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:09:57,412 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:09:57,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-28 03:09:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:09:58,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:09:58,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:09:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 805 proven. 54 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-11-28 03:09:59,711 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:10:00,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [70108261] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:10:00,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:10:00,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2024-11-28 03:10:00,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599237689] [2024-11-28 03:10:00,321 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:10:00,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:10:00,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:10:00,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:10:00,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:10:00,323 INFO L87 Difference]: Start difference. First operand 161 states and 238 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-28 03:10:04,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:10:04,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:04,984 INFO L93 Difference]: Finished difference Result 349 states and 497 transitions. [2024-11-28 03:10:05,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:10:05,016 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 171 [2024-11-28 03:10:05,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:05,018 INFO L225 Difference]: With dead ends: 349 [2024-11-28 03:10:05,018 INFO L226 Difference]: Without dead ends: 191 [2024-11-28 03:10:05,019 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:10:05,020 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 52 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:05,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 187 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-28 03:10:05,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-28 03:10:05,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 175. [2024-11-28 03:10:05,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 114 states have internal predecessors, (140), 52 states have call successors, (52), 8 states have call predecessors, (52), 8 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 03:10:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 244 transitions. [2024-11-28 03:10:05,070 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 244 transitions. Word has length 171 [2024-11-28 03:10:05,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:05,072 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 244 transitions. [2024-11-28 03:10:05,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (26), 3 states have call predecessors, (26), 5 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-28 03:10:05,072 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 244 transitions. [2024-11-28 03:10:05,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-28 03:10:05,076 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:05,076 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:05,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-28 03:10:05,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:10:05,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:10:05,477 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:05,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:05,478 INFO L85 PathProgramCache]: Analyzing trace with hash 714091888, now seen corresponding path program 1 times [2024-11-28 03:10:05,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:10:05,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [944791205] [2024-11-28 03:10:05,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:05,479 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 03:10:05,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:10:05,482 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:10:05,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:10:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:05,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:10:05,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 633 proven. 27 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-11-28 03:10:06,449 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:10:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-28 03:10:07,116 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:10:07,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [944791205] [2024-11-28 03:10:07,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [944791205] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:10:07,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 03:10:07,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2024-11-28 03:10:07,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347154097] [2024-11-28 03:10:07,116 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 03:10:07,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 03:10:07,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:10:07,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:10:07,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:10:07,118 INFO L87 Difference]: Start difference. First operand 175 states and 244 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-28 03:10:10,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:10:10,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:10:10,362 INFO L93 Difference]: Finished difference Result 371 states and 507 transitions. [2024-11-28 03:10:10,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:10:10,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 171 [2024-11-28 03:10:10,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:10:10,389 INFO L225 Difference]: With dead ends: 371 [2024-11-28 03:10:10,389 INFO L226 Difference]: Without dead ends: 199 [2024-11-28 03:10:10,390 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 334 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:10:10,391 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 101 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:10:10,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 205 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-28 03:10:10,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-28 03:10:10,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 183. [2024-11-28 03:10:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 120 states have (on average 1.2) internal successors, (144), 120 states have internal predecessors, (144), 52 states have call successors, (52), 10 states have call predecessors, (52), 10 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-28 03:10:10,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 248 transitions. [2024-11-28 03:10:10,418 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 248 transitions. Word has length 171 [2024-11-28 03:10:10,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:10:10,419 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 248 transitions. [2024-11-28 03:10:10,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2024-11-28 03:10:10,420 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 248 transitions. [2024-11-28 03:10:10,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-28 03:10:10,422 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:10:10,422 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:10:10,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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)] Forceful destruction successful, exit code 0 [2024-11-28 03:10:10,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:10:10,623 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:10:10,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:10:10,623 INFO L85 PathProgramCache]: Analyzing trace with hash 526937976, now seen corresponding path program 1 times [2024-11-28 03:10:10,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:10:10,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359018380] [2024-11-28 03:10:10,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:10,624 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 03:10:10,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:10:10,626 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:10:10,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/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 03:10:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:11,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:10:11,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:10:15,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 46 proven. 576 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2024-11-28 03:10:15,229 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:10:16,012 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:10:16,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359018380] [2024-11-28 03:10:16,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359018380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:10:16,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1336522179] [2024-11-28 03:10:16,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:10:16,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:10:16,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:10:16,014 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:10:16,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56d74b80-97fd-404c-8430-e47a3c0116f4/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-28 03:10:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:10:17,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-28 03:10:17,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:11:06,180 WARN L286 SmtUtils]: Spent 10.47s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:11:48,157 WARN L286 SmtUtils]: Spent 13.81s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:12:48,095 WARN L286 SmtUtils]: Spent 16.75s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:13:43,400 WARN L286 SmtUtils]: Spent 17.83s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:14:37,336 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:15:12,157 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:15:19,634 WARN L286 SmtUtils]: Spent 7.48s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:15:48,809 WARN L286 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:15:57,322 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:17:58,241 WARN L286 SmtUtils]: Spent 1.33m on a formula simplification that was a NOOP. DAG size: 68 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-28 03:17:58,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 444 proven. 216 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-11-28 03:17:58,543 INFO L312 TraceCheckSpWp]: Computing backward predicates...