./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 5ca8d44de1b038c40865b8a2cfc17e34a1f96999f82ad60fa9216aae98b3e84c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:42:51,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:42:51,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:42:51,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:42:51,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:42:51,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:42:51,477 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:42:51,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:42:51,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:42:51,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:42:51,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:42:51,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:42:51,489 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:42:51,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:42:51,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:42:51,492 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:42:51,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:42:51,493 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:42:51,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:42:51,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:42:51,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:42:51,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:42:51,495 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:42:51,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:42:51,496 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:42:51,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:42:51,497 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:42:51,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:42:51,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:51,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:42:51,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:42:51,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:42:51,500 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:42:51,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:42:51,500 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:42:51,500 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:42:51,500 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:42:51,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:42:51,501 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:42:51,501 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ca8d44de1b038c40865b8a2cfc17e34a1f96999f82ad60fa9216aae98b3e84c [2023-11-06 22:42:51,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:42:51,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:42:51,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:42:51,960 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:42:51,961 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:42:51,963 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i [2023-11-06 22:42:55,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:42:55,561 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:42:55,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i [2023-11-06 22:42:55,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/data/3b9b5280a/535bd86e9dd8402bb44e8a968be23812/FLAG5231d698b [2023-11-06 22:42:55,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/data/3b9b5280a/535bd86e9dd8402bb44e8a968be23812 [2023-11-06 22:42:55,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:42:55,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:42:55,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:55,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:42:55,614 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:42:55,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:55,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@386e996f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55, skipping insertion in model container [2023-11-06 22:42:55,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:55,662 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:42:55,812 WARN L240 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_beebe25d-400d-4996-b963-6c1a278a050d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i[914,927] [2023-11-06 22:42:55,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:55,909 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:42:55,926 WARN L240 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_beebe25d-400d-4996-b963-6c1a278a050d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i[914,927] [2023-11-06 22:42:55,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:55,983 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:42:55,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55 WrapperNode [2023-11-06 22:42:55,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:55,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:55,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:42:55,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:42:55,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:56,011 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:56,068 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-06 22:42:56,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:56,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:42:56,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:42:56,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:42:56,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:56,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:56,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:56,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:56,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:56,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:56,120 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:56,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:56,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:42:56,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:42:56,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:42:56,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:42:56,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55" (1/1) ... [2023-11-06 22:42:56,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:56,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:56,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:56,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:42:56,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:42:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:42:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:42:56,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:42:56,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:42:56,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:42:56,392 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:42:56,395 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:42:56,939 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:42:56,954 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:42:56,958 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:42:56,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:56 BoogieIcfgContainer [2023-11-06 22:42:56,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:42:56,966 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:42:56,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:42:56,979 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:42:56,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:42:55" (1/3) ... [2023-11-06 22:42:56,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436074c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:56, skipping insertion in model container [2023-11-06 22:42:56,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:55" (2/3) ... [2023-11-06 22:42:56,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436074c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:56, skipping insertion in model container [2023-11-06 22:42:56,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:56" (3/3) ... [2023-11-06 22:42:56,985 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-3.i [2023-11-06 22:42:57,007 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:42:57,009 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:42:57,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:42:57,110 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6b9a505b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:42:57,111 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:42:57,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 60 states have internal predecessors, (87), 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) [2023-11-06 22:42:57,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-06 22:42:57,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:57,137 INFO L195 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] [2023-11-06 22:42:57,138 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:57,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:57,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1613297344, now seen corresponding path program 1 times [2023-11-06 22:42:57,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:57,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941171519] [2023-11-06 22:42:57,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:57,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:57,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:57,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941171519] [2023-11-06 22:42:57,442 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:42:57,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810634681] [2023-11-06 22:42:57,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:57,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:57,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:57,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:57,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:42:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:57,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:42:57,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:57,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2023-11-06 22:42:57,833 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:57,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810634681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:57,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:57,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:42:57,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003936823] [2023-11-06 22:42:57,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:57,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:42:57,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:57,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:42:57,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:57,911 INFO L87 Difference]: Start difference. First operand has 88 states, 59 states have (on average 1.4745762711864407) internal successors, (87), 60 states have internal predecessors, (87), 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 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2023-11-06 22:42:57,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:57,962 INFO L93 Difference]: Finished difference Result 169 states and 298 transitions. [2023-11-06 22:42:57,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:42:57,964 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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 168 [2023-11-06 22:42:57,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:57,973 INFO L225 Difference]: With dead ends: 169 [2023-11-06 22:42:57,973 INFO L226 Difference]: Without dead ends: 84 [2023-11-06 22:42:57,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:57,982 INFO L413 NwaCegarLoop]: 131 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, 131 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 [2023-11-06 22:42:57,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:42:57,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-06 22:42:58,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-06 22:42:58,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 56 states have internal predecessors, (79), 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) [2023-11-06 22:42:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 131 transitions. [2023-11-06 22:42:58,035 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 131 transitions. Word has length 168 [2023-11-06 22:42:58,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:58,036 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 131 transitions. [2023-11-06 22:42:58,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 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) [2023-11-06 22:42:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 131 transitions. [2023-11-06 22:42:58,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-06 22:42:58,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:58,042 INFO L195 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] [2023-11-06 22:42:58,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:58,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:42:58,245 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:58,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:58,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1627956932, now seen corresponding path program 1 times [2023-11-06 22:42:58,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:58,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640756818] [2023-11-06 22:42:58,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:58,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:58,361 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:58,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1457021933] [2023-11-06 22:42:58,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:58,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:58,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:58,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:58,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:42:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:58,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:42:58,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:42:58,986 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:58,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:58,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640756818] [2023-11-06 22:42:58,990 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:58,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457021933] [2023-11-06 22:42:58,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457021933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:58,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:58,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:42:58,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384589864] [2023-11-06 22:42:58,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:58,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:42:58,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:58,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:42:58,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:42:58,999 INFO L87 Difference]: Start difference. First operand 84 states and 131 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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) [2023-11-06 22:42:59,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:59,099 INFO L93 Difference]: Finished difference Result 246 states and 387 transitions. [2023-11-06 22:42:59,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:42:59,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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 168 [2023-11-06 22:42:59,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:59,104 INFO L225 Difference]: With dead ends: 246 [2023-11-06 22:42:59,104 INFO L226 Difference]: Without dead ends: 165 [2023-11-06 22:42:59,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:42:59,107 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 42 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:59,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 259 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:42:59,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-11-06 22:42:59,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 163. [2023-11-06 22:42:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 108 states have (on average 1.3888888888888888) internal successors, (150), 108 states have internal predecessors, (150), 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) [2023-11-06 22:42:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 254 transitions. [2023-11-06 22:42:59,178 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 254 transitions. Word has length 168 [2023-11-06 22:42:59,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:59,183 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 254 transitions. [2023-11-06 22:42:59,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 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) [2023-11-06 22:42:59,184 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 254 transitions. [2023-11-06 22:42:59,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-06 22:42:59,196 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:59,197 INFO L195 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] [2023-11-06 22:42:59,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:42:59,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:59,404 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:59,404 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:59,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1629772959, now seen corresponding path program 1 times [2023-11-06 22:42:59,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:59,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423872538] [2023-11-06 22:42:59,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:59,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:59,490 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:42:59,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [692399856] [2023-11-06 22:42:59,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:59,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:42:59,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:59,504 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:42:59,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:42:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:59,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:42:59,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:59,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:42:59,732 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:59,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:59,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423872538] [2023-11-06 22:42:59,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:42:59,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692399856] [2023-11-06 22:42:59,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692399856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:59,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:59,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:42:59,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430258065] [2023-11-06 22:42:59,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:59,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:42:59,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:59,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:42:59,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:42:59,738 INFO L87 Difference]: Start difference. First operand 163 states and 254 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) [2023-11-06 22:42:59,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:59,802 INFO L93 Difference]: Finished difference Result 383 states and 596 transitions. [2023-11-06 22:42:59,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:42:59,803 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 [2023-11-06 22:42:59,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:59,810 INFO L225 Difference]: With dead ends: 383 [2023-11-06 22:42:59,811 INFO L226 Difference]: Without dead ends: 223 [2023-11-06 22:42:59,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:42:59,817 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 41 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:42:59,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 276 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:42:59,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2023-11-06 22:42:59,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 181. [2023-11-06 22:42:59,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 126 states have (on average 1.3968253968253967) internal successors, (176), 126 states have internal predecessors, (176), 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) [2023-11-06 22:42:59,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 280 transitions. [2023-11-06 22:42:59,885 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 280 transitions. Word has length 169 [2023-11-06 22:42:59,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:59,886 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 280 transitions. [2023-11-06 22:42:59,886 INFO L496 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) [2023-11-06 22:42:59,886 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 280 transitions. [2023-11-06 22:42:59,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-06 22:42:59,890 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:59,891 INFO L195 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] [2023-11-06 22:42:59,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:00,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:00,098 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:00,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:00,098 INFO L85 PathProgramCache]: Analyzing trace with hash -335698621, now seen corresponding path program 1 times [2023-11-06 22:43:00,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:00,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793758710] [2023-11-06 22:43:00,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:00,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:00,142 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:00,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [705173648] [2023-11-06 22:43:00,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:00,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:00,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:00,144 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:00,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:43:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:00,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:43:00,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:43:00,403 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:00,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:00,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793758710] [2023-11-06 22:43:00,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:00,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705173648] [2023-11-06 22:43:00,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705173648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:00,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:00,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:43:00,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928205652] [2023-11-06 22:43:00,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:00,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:43:00,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:00,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:43:00,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:43:00,408 INFO L87 Difference]: Start difference. First operand 181 states and 280 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) [2023-11-06 22:43:00,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:00,526 INFO L93 Difference]: Finished difference Result 533 states and 828 transitions. [2023-11-06 22:43:00,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:43:00,527 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 [2023-11-06 22:43:00,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:00,536 INFO L225 Difference]: With dead ends: 533 [2023-11-06 22:43:00,536 INFO L226 Difference]: Without dead ends: 355 [2023-11-06 22:43:00,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:43:00,544 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 117 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:00,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 348 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:43:00,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2023-11-06 22:43:00,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2023-11-06 22:43:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 244 states have (on average 1.3770491803278688) internal successors, (336), 244 states have internal predecessors, (336), 104 states have call successors, (104), 4 states have call predecessors, (104), 4 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2023-11-06 22:43:00,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 544 transitions. [2023-11-06 22:43:00,640 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 544 transitions. Word has length 169 [2023-11-06 22:43:00,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:00,641 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 544 transitions. [2023-11-06 22:43:00,641 INFO L496 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) [2023-11-06 22:43:00,641 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 544 transitions. [2023-11-06 22:43:00,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:43:00,644 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:00,644 INFO L195 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] [2023-11-06 22:43:00,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-06 22:43:00,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:00,850 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:00,851 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:00,851 INFO L85 PathProgramCache]: Analyzing trace with hash -73171672, now seen corresponding path program 1 times [2023-11-06 22:43:00,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:00,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723466730] [2023-11-06 22:43:00,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:00,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:00,915 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:00,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [413743110] [2023-11-06 22:43:00,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:00,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:00,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:00,920 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:00,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:43:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:01,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:43:01,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:01,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:43:01,387 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:01,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:01,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723466730] [2023-11-06 22:43:01,389 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:01,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413743110] [2023-11-06 22:43:01,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413743110] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:01,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:01,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:43:01,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44781999] [2023-11-06 22:43:01,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:01,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:43:01,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:01,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:43:01,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:43:01,402 INFO L87 Difference]: Start difference. First operand 353 states and 544 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 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) [2023-11-06 22:43:01,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:01,980 INFO L93 Difference]: Finished difference Result 1159 states and 1782 transitions. [2023-11-06 22:43:01,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:43:01,981 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 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 [2023-11-06 22:43:01,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:01,990 INFO L225 Difference]: With dead ends: 1159 [2023-11-06 22:43:01,991 INFO L226 Difference]: Without dead ends: 809 [2023-11-06 22:43:01,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:43:01,994 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 376 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 793 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:01,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 793 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:43:01,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2023-11-06 22:43:02,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 703. [2023-11-06 22:43:02,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 486 states have (on average 1.368312757201646) internal successors, (665), 486 states have internal predecessors, (665), 208 states have call successors, (208), 8 states have call predecessors, (208), 8 states have return successors, (208), 208 states have call predecessors, (208), 208 states have call successors, (208) [2023-11-06 22:43:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1081 transitions. [2023-11-06 22:43:02,109 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1081 transitions. Word has length 170 [2023-11-06 22:43:02,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:02,110 INFO L495 AbstractCegarLoop]: Abstraction has 703 states and 1081 transitions. [2023-11-06 22:43:02,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 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) [2023-11-06 22:43:02,110 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1081 transitions. [2023-11-06 22:43:02,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:43:02,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:02,114 INFO L195 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] [2023-11-06 22:43:02,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:02,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:02,322 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:02,322 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:02,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1302324003, now seen corresponding path program 1 times [2023-11-06 22:43:02,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:02,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033884371] [2023-11-06 22:43:02,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:02,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:02,378 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:02,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764918483] [2023-11-06 22:43:02,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:02,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:02,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:02,381 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:02,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:43:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:02,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:43:02,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2023-11-06 22:43:04,220 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:04,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:04,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033884371] [2023-11-06 22:43:04,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:04,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764918483] [2023-11-06 22:43:04,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764918483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:04,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:04,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:43:04,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677968436] [2023-11-06 22:43:04,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:04,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:43:04,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:04,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:43:04,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:43:04,225 INFO L87 Difference]: Start difference. First operand 703 states and 1081 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-06 22:43:04,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:04,633 INFO L93 Difference]: Finished difference Result 1581 states and 2428 transitions. [2023-11-06 22:43:04,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:43:04,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 170 [2023-11-06 22:43:04,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:04,643 INFO L225 Difference]: With dead ends: 1581 [2023-11-06 22:43:04,643 INFO L226 Difference]: Without dead ends: 881 [2023-11-06 22:43:04,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:43:04,648 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 169 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:04,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 343 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:43:04,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2023-11-06 22:43:04,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 790. [2023-11-06 22:43:04,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 546 states have (on average 1.3644688644688645) internal successors, (745), 546 states have internal predecessors, (745), 234 states have call successors, (234), 9 states have call predecessors, (234), 9 states have return successors, (234), 234 states have call predecessors, (234), 234 states have call successors, (234) [2023-11-06 22:43:04,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1213 transitions. [2023-11-06 22:43:04,745 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1213 transitions. Word has length 170 [2023-11-06 22:43:04,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:04,746 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 1213 transitions. [2023-11-06 22:43:04,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-06 22:43:04,747 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1213 transitions. [2023-11-06 22:43:04,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:43:04,750 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:04,751 INFO L195 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] [2023-11-06 22:43:04,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-06 22:43:04,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:04,965 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:04,965 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:04,965 INFO L85 PathProgramCache]: Analyzing trace with hash 459702589, now seen corresponding path program 1 times [2023-11-06 22:43:04,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:04,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404578300] [2023-11-06 22:43:04,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:04,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:05,021 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:05,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [88714094] [2023-11-06 22:43:05,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:05,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:05,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:05,024 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:05,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:43:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:05,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-06 22:43:05,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:07,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 838 proven. 153 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2023-11-06 22:43:07,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:43:19,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 111 proven. 171 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2023-11-06 22:43:19,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:19,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404578300] [2023-11-06 22:43:19,271 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:19,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88714094] [2023-11-06 22:43:19,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88714094] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:43:19,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:43:19,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 29 [2023-11-06 22:43:19,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489684696] [2023-11-06 22:43:19,272 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:43:19,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-06 22:43:19,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:19,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-06 22:43:19,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=226, Invalid=585, Unknown=1, NotChecked=0, Total=812 [2023-11-06 22:43:19,275 INFO L87 Difference]: Start difference. First operand 790 states and 1213 transitions. Second operand has 29 states, 28 states have (on average 3.5714285714285716) internal successors, (100), 27 states have internal predecessors, (100), 10 states have call successors, (46), 6 states have call predecessors, (46), 12 states have return successors, (46), 9 states have call predecessors, (46), 10 states have call successors, (46) [2023-11-06 22:43:21,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:21,047 INFO L93 Difference]: Finished difference Result 1188 states and 1736 transitions. [2023-11-06 22:43:21,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:43:21,049 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.5714285714285716) internal successors, (100), 27 states have internal predecessors, (100), 10 states have call successors, (46), 6 states have call predecessors, (46), 12 states have return successors, (46), 9 states have call predecessors, (46), 10 states have call successors, (46) Word has length 170 [2023-11-06 22:43:21,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:21,056 INFO L225 Difference]: With dead ends: 1188 [2023-11-06 22:43:21,056 INFO L226 Difference]: Without dead ends: 664 [2023-11-06 22:43:21,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 312 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=787, Invalid=1762, Unknown=1, NotChecked=0, Total=2550 [2023-11-06 22:43:21,061 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 156 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:21,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 336 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:43:21,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2023-11-06 22:43:21,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 628. [2023-11-06 22:43:21,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 441 states have (on average 1.2970521541950113) internal successors, (572), 441 states have internal predecessors, (572), 156 states have call successors, (156), 30 states have call predecessors, (156), 30 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2023-11-06 22:43:21,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 884 transitions. [2023-11-06 22:43:21,198 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 884 transitions. Word has length 170 [2023-11-06 22:43:21,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:21,202 INFO L495 AbstractCegarLoop]: Abstraction has 628 states and 884 transitions. [2023-11-06 22:43:21,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.5714285714285716) internal successors, (100), 27 states have internal predecessors, (100), 10 states have call successors, (46), 6 states have call predecessors, (46), 12 states have return successors, (46), 9 states have call predecessors, (46), 10 states have call successors, (46) [2023-11-06 22:43:21,203 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 884 transitions. [2023-11-06 22:43:21,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-06 22:43:21,206 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:21,206 INFO L195 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] [2023-11-06 22:43:21,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:21,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:21,414 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:21,415 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:21,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1404295391, now seen corresponding path program 1 times [2023-11-06 22:43:21,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:21,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199409591] [2023-11-06 22:43:21,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:21,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:21,454 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:21,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1225503148] [2023-11-06 22:43:21,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:21,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:21,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:21,456 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:21,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:43:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:21,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:43:21,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:22,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 512 proven. 0 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2023-11-06 22:43:22,868 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:22,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:22,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199409591] [2023-11-06 22:43:22,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:22,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225503148] [2023-11-06 22:43:22,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225503148] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:22,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:22,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:43:22,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458701396] [2023-11-06 22:43:22,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:22,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:43:22,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:22,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:43:22,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:43:22,873 INFO L87 Difference]: Start difference. First operand 628 states and 884 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-06 22:43:23,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:23,705 INFO L93 Difference]: Finished difference Result 1683 states and 2378 transitions. [2023-11-06 22:43:23,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:43:23,706 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 170 [2023-11-06 22:43:23,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:23,720 INFO L225 Difference]: With dead ends: 1683 [2023-11-06 22:43:23,721 INFO L226 Difference]: Without dead ends: 1369 [2023-11-06 22:43:23,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:43:23,725 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 191 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:23,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 600 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:43:23,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2023-11-06 22:43:23,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1353. [2023-11-06 22:43:23,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1353 states, 949 states have (on average 1.3045310853530032) internal successors, (1238), 949 states have internal predecessors, (1238), 338 states have call successors, (338), 65 states have call predecessors, (338), 65 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2023-11-06 22:43:24,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1914 transitions. [2023-11-06 22:43:24,006 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1914 transitions. Word has length 170 [2023-11-06 22:43:24,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:24,006 INFO L495 AbstractCegarLoop]: Abstraction has 1353 states and 1914 transitions. [2023-11-06 22:43:24,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2023-11-06 22:43:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1914 transitions. [2023-11-06 22:43:24,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:43:24,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:24,011 INFO L195 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] [2023-11-06 22:43:24,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:24,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:24,219 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:24,220 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:24,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1055818616, now seen corresponding path program 1 times [2023-11-06 22:43:24,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:24,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253555399] [2023-11-06 22:43:24,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:24,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:24,253 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:24,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1508265320] [2023-11-06 22:43:24,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:24,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:24,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:24,256 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:24,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:43:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:24,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:43:24,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:43:24,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:24,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:43:24,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253555399] [2023-11-06 22:43:24,554 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:43:24,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508265320] [2023-11-06 22:43:24,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508265320] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:24,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:24,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:43:24,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882646497] [2023-11-06 22:43:24,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:24,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:43:24,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:43:24,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:43:24,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:43:24,558 INFO L87 Difference]: Start difference. First operand 1353 states and 1914 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2023-11-06 22:43:25,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:25,176 INFO L93 Difference]: Finished difference Result 2199 states and 3110 transitions. [2023-11-06 22:43:25,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:43:25,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 171 [2023-11-06 22:43:25,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:25,191 INFO L225 Difference]: With dead ends: 2199 [2023-11-06 22:43:25,191 INFO L226 Difference]: Without dead ends: 1677 [2023-11-06 22:43:25,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:43:25,194 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 129 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:43:25,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 672 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:43:25,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2023-11-06 22:43:25,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 1666. [2023-11-06 22:43:25,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1169 states have (on average 1.3045337895637297) internal successors, (1525), 1169 states have internal predecessors, (1525), 416 states have call successors, (416), 80 states have call predecessors, (416), 80 states have return successors, (416), 416 states have call predecessors, (416), 416 states have call successors, (416) [2023-11-06 22:43:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2357 transitions. [2023-11-06 22:43:25,465 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2357 transitions. Word has length 171 [2023-11-06 22:43:25,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:25,465 INFO L495 AbstractCegarLoop]: Abstraction has 1666 states and 2357 transitions. [2023-11-06 22:43:25,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2023-11-06 22:43:25,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2357 transitions. [2023-11-06 22:43:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-06 22:43:25,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:25,470 INFO L195 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] [2023-11-06 22:43:25,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:25,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-06 22:43:25,677 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:25,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:25,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1889551521, now seen corresponding path program 1 times [2023-11-06 22:43:25,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:43:25,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605907373] [2023-11-06 22:43:25,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:25,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:43:25,708 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:43:25,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1866155739] [2023-11-06 22:43:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:25,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:43:25,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:25,710 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:43:25,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:43:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:25,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:43:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:43:26,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:43:26,174 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:43:26,175 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:43:26,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:43:26,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:43:26,387 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:43:26,391 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:43:26,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:43:26 BoogieIcfgContainer [2023-11-06 22:43:26,599 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:43:26,599 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:43:26,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:43:26,600 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:43:26,601 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:56" (3/4) ... [2023-11-06 22:43:26,603 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:43:26,604 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:43:26,605 INFO L158 Benchmark]: Toolchain (without parser) took 31003.17ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 140.9MB in the beginning and 231.3MB in the end (delta: -90.4MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2023-11-06 22:43:26,606 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:43:26,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.73ms. Allocated memory is still 172.0MB. Free memory was 140.9MB in the beginning and 126.4MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:43:26,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.64ms. Allocated memory is still 172.0MB. Free memory was 126.4MB in the beginning and 122.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:43:26,607 INFO L158 Benchmark]: Boogie Preprocessor took 60.84ms. Allocated memory is still 172.0MB. Free memory was 122.7MB in the beginning and 120.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:43:26,608 INFO L158 Benchmark]: RCFGBuilder took 833.22ms. Allocated memory is still 172.0MB. Free memory was 120.1MB in the beginning and 96.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-06 22:43:26,608 INFO L158 Benchmark]: TraceAbstraction took 29632.55ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 95.5MB in the beginning and 231.3MB in the end (delta: -135.8MB). Peak memory consumption was 138.1MB. Max. memory is 16.1GB. [2023-11-06 22:43:26,609 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 299.9MB. Free memory is still 231.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:43:26,612 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.73ms. Allocated memory is still 172.0MB. Free memory was 140.9MB in the beginning and 126.4MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.64ms. Allocated memory is still 172.0MB. Free memory was 126.4MB in the beginning and 122.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.84ms. Allocated memory is still 172.0MB. Free memory was 122.7MB in the beginning and 120.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 833.22ms. Allocated memory is still 172.0MB. Free memory was 120.1MB in the beginning and 96.0MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 29632.55ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 95.5MB in the beginning and 231.3MB in the end (delta: -135.8MB). Peak memory consumption was 138.1MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 299.9MB. Free memory is still 231.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 158, overapproximation of bitwiseOr at line 104. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -64; [L23] unsigned char var_1_3 = 1; [L24] signed char var_1_5 = -32; [L25] unsigned short int var_1_6 = 256; [L26] unsigned long int var_1_10 = 256; [L27] double var_1_12 = 8.2; [L28] signed char var_1_13 = 16; [L29] signed char var_1_14 = 10; [L30] double var_1_15 = 199.125; [L31] double var_1_16 = 9.4; [L32] double var_1_17 = 9999999999999.6; [L33] unsigned char var_1_20 = 32; [L34] unsigned char var_1_21 = 128; [L35] unsigned char var_1_22 = 64; [L36] unsigned long int var_1_23 = 64; [L37] unsigned long int var_1_24 = 5; [L38] unsigned long int var_1_25 = 4; [L39] unsigned short int var_1_26 = 2; [L40] unsigned short int var_1_27 = 100; [L41] signed char var_1_28 = 32; [L42] double var_1_29 = 16.25; [L43] double var_1_30 = 15.75; [L44] unsigned char var_1_31 = 0; [L45] unsigned char var_1_32 = 0; [L46] unsigned char var_1_33 = 0; [L47] unsigned char var_1_34 = 0; [L48] float var_1_35 = 7.25; [L49] float var_1_36 = 1.75; [L50] signed long int var_1_37 = 0; [L51] unsigned long int last_1_var_1_10 = 256; [L52] unsigned char last_1_var_1_20 = 32; VAL [isInitial=0, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=1, var_1_5=-32, var_1_6=256] [L162] isInitial = 1 [L163] FCALL initially() [L164] COND TRUE 1 [L165] CALL updateLastVariables() [L154] last_1_var_1_10 = var_1_10 [L155] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=1, var_1_5=-32, var_1_6=256] [L165] RET updateLastVariables() [L166] CALL updateVariables() [L112] var_1_3 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_5=-32, var_1_6=256] [L113] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_5=-32, var_1_6=256] [L114] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=-32, var_1_6=256] [L114] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=-32, var_1_6=256] [L115] var_1_5 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L116] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L117] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L117] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L118] var_1_13 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L119] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L120] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L120] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L121] var_1_14 = __VERIFIER_nondet_char() [L122] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L122] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L123] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L123] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L124] var_1_15 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L125] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L126] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L126] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L127] var_1_16 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L128] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L129] var_1_21 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L130] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L131] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L131] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L132] var_1_22 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L133] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L134] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L134] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=4, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L135] var_1_25 = __VERIFIER_nondet_ulong() [L136] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L136] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L137] CALL assume_abort_if_not(var_1_25 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L137] RET assume_abort_if_not(var_1_25 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=100, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L138] var_1_27 = __VERIFIER_nondet_ushort() [L139] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L139] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L140] CALL assume_abort_if_not(var_1_27 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L140] RET assume_abort_if_not(var_1_27 <= 65534) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=63/4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L141] var_1_30 = __VERIFIER_nondet_double() [L142] CALL assume_abort_if_not((var_1_30 >= -922337.2036854765600e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L142] RET assume_abort_if_not((var_1_30 >= -922337.2036854765600e+13F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=0, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L143] var_1_32 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L144] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L145] CALL assume_abort_if_not(var_1_32 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L145] RET assume_abort_if_not(var_1_32 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=0, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L146] var_1_33 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L147] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L148] CALL assume_abort_if_not(var_1_33 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L148] RET assume_abort_if_not(var_1_33 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L149] var_1_34 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L150] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L151] CALL assume_abort_if_not(var_1_34 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L151] RET assume_abort_if_not(var_1_34 <= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=5, var_1_25=0, var_1_26=2, var_1_27=65534, var_1_28=32, var_1_29=65/4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L166] RET updateVariables() [L167] CALL step() [L56] var_1_24 = var_1_25 [L57] var_1_26 = var_1_27 [L58] var_1_28 = -2 [L59] var_1_29 = var_1_30 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L60] COND TRUE var_1_32 || var_1_33 [L61] var_1_31 = var_1_34 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=29/4, var_1_36=7/4, var_1_37=0, var_1_3=0, var_1_5=32, var_1_6=256] [L63] var_1_35 = var_1_30 [L64] var_1_36 = var_1_30 [L65] var_1_37 = var_1_27 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L66] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L71] signed long int stepLocal_2 = var_1_5 * var_1_13; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=256, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L72] COND FALSE !(stepLocal_2 > last_1_var_1_10) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=256, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L75] COND FALSE !((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=256, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L80] unsigned char stepLocal_1 = var_1_17 <= var_1_17; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=256, var_1_10=256, var_1_12=41/5, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L81] COND FALSE !(stepLocal_1 || var_1_3) [L86] var_1_12 = var_1_16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=256, var_1_10=256, var_1_12=3, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L88] COND FALSE !(99999.8f < var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=256, var_1_10=256, var_1_12=3, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L99] COND FALSE !((var_1_17 + var_1_12) <= var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=256, var_1_10=256, var_1_12=3, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L104] EXPR var_1_6 ^ var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=256, var_1_10=256, var_1_12=3, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6 ^ var_1_20=288, var_1_6=256] [L104] unsigned long int stepLocal_0 = (var_1_6 ^ var_1_20) + var_1_23; [L105] COND TRUE var_1_20 <= stepLocal_0 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_0=352, stepLocal_1=0, stepLocal_2=256, var_1_10=256, var_1_12=3, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L106] COND TRUE var_1_12 == var_1_12 [L107] var_1_10 = 0u VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_0=352, stepLocal_1=0, stepLocal_2=256, var_1_10=0, var_1_12=3, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L167] RET step() [L168] CALL, EXPR property() [L158] EXPR (((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) VAL [(((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1)=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=0, var_1_12=3, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L158-L159] return (((((((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1)) && (((var_1_17 <= var_1_17) || var_1_3) ? (((var_1_17 / var_1_15) > 25.25) ? (var_1_12 == ((double) 128.5)) : 1) : (var_1_12 == ((double) var_1_16)))) && (((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) ? (var_1_3 ? (var_1_17 == ((double) 128.1)) : 1) : 1)) && (((var_1_5 * var_1_13) > last_1_var_1_10) ? (var_1_20 == ((unsigned char) ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))))) : 1)) && (((var_1_17 + var_1_12) <= var_1_17) ? ((var_1_6 >= var_1_6) ? (var_1_23 == ((unsigned long int) var_1_20)) : 1) : 1) ; [L168] RET, EXPR property() [L168] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=0, var_1_12=3, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=0, var_1_12=3, var_1_13=8, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_24=0, var_1_25=0, var_1_26=65534, var_1_27=65534, var_1_28=-2, var_1_29=4, var_1_30=4, var_1_31=0, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=4, var_1_36=4, var_1_37=65534, var_1_3=0, var_1_5=32, var_1_6=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 88 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.3s, OverallIterations: 10, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1221 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1221 mSDsluCounter, 3758 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2293 mSDsCounter, 299 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1338 IncrementalHoareTripleChecker+Invalid, 1637 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 299 mSolverCounterUnsat, 1465 mSDtfsCounter, 1338 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1718 GetRequests, 1639 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 682 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1666occurred in iteration=9, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 306 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 1864 NumberOfCodeBlocks, 1864 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1685 ConstructedInterpolants, 0 QuantifiedInterpolants, 9274 SizeOfPredicates, 31 NumberOfNonLiveVariables, 3751 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 12676/13000 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:43:26,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 5ca8d44de1b038c40865b8a2cfc17e34a1f96999f82ad60fa9216aae98b3e84c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:43:29,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:43:29,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:43:29,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:43:29,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:43:29,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:43:29,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:43:29,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:43:29,995 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:43:30,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:43:30,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:43:30,004 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:43:30,004 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:43:30,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:43:30,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:43:30,008 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:43:30,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:43:30,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:43:30,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:43:30,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:43:30,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:43:30,012 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:43:30,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:43:30,013 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:43:30,013 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:43:30,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:43:30,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:43:30,015 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:43:30,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:43:30,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:43:30,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:43:30,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:43:30,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:43:30,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:43:30,019 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:43:30,020 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:43:30,020 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:43:30,020 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:43:30,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:43:30,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:43:30,022 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:43:30,023 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:43:30,023 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ca8d44de1b038c40865b8a2cfc17e34a1f96999f82ad60fa9216aae98b3e84c [2023-11-06 22:43:30,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:43:30,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:43:30,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:43:30,614 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:43:30,615 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:43:30,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i [2023-11-06 22:43:34,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:43:34,417 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:43:34,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i [2023-11-06 22:43:34,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/data/b9598805c/a1001c20ef154121b1e576a9a7450f53/FLAG40953728b [2023-11-06 22:43:34,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/data/b9598805c/a1001c20ef154121b1e576a9a7450f53 [2023-11-06 22:43:34,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:43:34,458 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:43:34,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:43:34,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:43:34,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:43:34,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:34" (1/1) ... [2023-11-06 22:43:34,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cae2162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:34, skipping insertion in model container [2023-11-06 22:43:34,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:43:34" (1/1) ... [2023-11-06 22:43:34,517 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:43:34,729 WARN L240 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_beebe25d-400d-4996-b963-6c1a278a050d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i[914,927] [2023-11-06 22:43:34,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:43:34,909 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:43:34,932 WARN L240 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_beebe25d-400d-4996-b963-6c1a278a050d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-3.i[914,927] [2023-11-06 22:43:35,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:43:35,052 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:43:35,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35 WrapperNode [2023-11-06 22:43:35,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:43:35,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:43:35,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:43:35,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:43:35,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35" (1/1) ... [2023-11-06 22:43:35,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35" (1/1) ... [2023-11-06 22:43:35,158 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-06 22:43:35,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:43:35,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:43:35,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:43:35,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:43:35,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35" (1/1) ... [2023-11-06 22:43:35,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35" (1/1) ... [2023-11-06 22:43:35,193 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35" (1/1) ... [2023-11-06 22:43:35,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35" (1/1) ... [2023-11-06 22:43:35,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35" (1/1) ... [2023-11-06 22:43:35,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35" (1/1) ... [2023-11-06 22:43:35,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35" (1/1) ... [2023-11-06 22:43:35,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35" (1/1) ... [2023-11-06 22:43:35,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:43:35,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:43:35,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:43:35,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:43:35,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35" (1/1) ... [2023-11-06 22:43:35,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:43:35,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:43:35,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:43:35,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:43:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:43:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:43:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:43:35,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:43:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:43:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:43:35,561 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:43:35,563 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:43:47,884 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:43:47,893 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:43:47,893 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:43:47,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:43:47 BoogieIcfgContainer [2023-11-06 22:43:47,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:43:47,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:43:47,899 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:43:47,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:43:47,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:43:34" (1/3) ... [2023-11-06 22:43:47,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0851f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:43:47, skipping insertion in model container [2023-11-06 22:43:47,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:43:35" (2/3) ... [2023-11-06 22:43:47,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0851f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:43:47, skipping insertion in model container [2023-11-06 22:43:47,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:43:47" (3/3) ... [2023-11-06 22:43:47,905 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-3.i [2023-11-06 22:43:47,925 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:43:47,925 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:43:47,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:43:47,982 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@1ce28135, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:43:47,982 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:43:47,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 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) [2023-11-06 22:43:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:43:48,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:48,006 INFO L195 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] [2023-11-06 22:43:48,007 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:48,012 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:48,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1636033674, now seen corresponding path program 1 times [2023-11-06 22:43:48,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:43:48,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030445882] [2023-11-06 22:43:48,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:48,025 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 [2023-11-06 22:43:48,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:43:48,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:43:48,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:43:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:49,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:43:49,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:49,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2023-11-06 22:43:49,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:49,522 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:43:49,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030445882] [2023-11-06 22:43:49,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1030445882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:49,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:49,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:43:49,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507209240] [2023-11-06 22:43:49,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:49,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:43:49,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:43:49,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:43:49,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:43:49,590 INFO L87 Difference]: Start difference. First operand has 79 states, 50 states have (on average 1.42) internal successors, (71), 51 states have internal predecessors, (71), 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 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2023-11-06 22:43:49,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:43:49,629 INFO L93 Difference]: Finished difference Result 151 states and 266 transitions. [2023-11-06 22:43:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:43:49,631 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 165 [2023-11-06 22:43:49,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:43:49,640 INFO L225 Difference]: With dead ends: 151 [2023-11-06 22:43:49,640 INFO L226 Difference]: Without dead ends: 75 [2023-11-06 22:43:49,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:43:49,648 INFO L413 NwaCegarLoop]: 115 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, 115 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 [2023-11-06 22:43:49,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:43:49,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-06 22:43:49,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-06 22:43:49,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 47 states have internal predecessors, (63), 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) [2023-11-06 22:43:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 115 transitions. [2023-11-06 22:43:49,705 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 115 transitions. Word has length 165 [2023-11-06 22:43:49,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:43:49,705 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 115 transitions. [2023-11-06 22:43:49,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2023-11-06 22:43:49,706 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2023-11-06 22:43:49,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-06 22:43:49,711 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:43:49,711 INFO L195 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] [2023-11-06 22:43:49,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:43:49,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:43:49,934 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:43:49,934 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:43:49,935 INFO L85 PathProgramCache]: Analyzing trace with hash 127020282, now seen corresponding path program 1 times [2023-11-06 22:43:49,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:43:49,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69723357] [2023-11-06 22:43:49,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:43:49,936 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 [2023-11-06 22:43:49,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:43:49,939 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:43:49,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:43:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:43:51,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:43:51,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:43:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:43:53,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:43:53,845 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:43:53,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69723357] [2023-11-06 22:43:53,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69723357] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:43:53,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:43:53,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:43:53,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135414024] [2023-11-06 22:43:53,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:43:53,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:43:53,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:43:53,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:43:53,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:43:53,851 INFO L87 Difference]: Start difference. First operand 75 states and 115 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2023-11-06 22:43:56,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:43:59,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:02,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:05,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:08,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:10,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:12,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:13,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:17,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:19,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:21,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:24,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:24,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:24,021 INFO L93 Difference]: Finished difference Result 219 states and 339 transitions. [2023-11-06 22:44:24,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:44:24,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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 165 [2023-11-06 22:44:24,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:24,386 INFO L225 Difference]: With dead ends: 219 [2023-11-06 22:44:24,387 INFO L226 Difference]: Without dead ends: 147 [2023-11-06 22:44:24,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:44:24,390 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 48 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:24,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 343 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 8 Unknown, 0 Unchecked, 30.1s Time] [2023-11-06 22:44:24,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-06 22:44:24,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145. [2023-11-06 22:44:24,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.3222222222222222) internal successors, (119), 90 states have internal predecessors, (119), 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) [2023-11-06 22:44:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 223 transitions. [2023-11-06 22:44:24,436 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 223 transitions. Word has length 165 [2023-11-06 22:44:24,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:24,438 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 223 transitions. [2023-11-06 22:44:24,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 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) [2023-11-06 22:44:24,438 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 223 transitions. [2023-11-06 22:44:24,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-06 22:44:24,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:24,447 INFO L195 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] [2023-11-06 22:44:24,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:44:24,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:44:24,659 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:44:24,659 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:24,660 INFO L85 PathProgramCache]: Analyzing trace with hash -636084942, now seen corresponding path program 1 times [2023-11-06 22:44:24,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:44:24,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1131502861] [2023-11-06 22:44:24,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:24,661 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 [2023-11-06 22:44:24,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:44:24,664 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:44:24,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:44:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:26,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:44:26,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:44:26,129 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:44:26,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:44:26,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1131502861] [2023-11-06 22:44:26,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1131502861] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:44:26,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:44:26,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:44:26,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378300380] [2023-11-06 22:44:26,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:44:26,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:44:26,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:44:26,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:44:26,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:44:26,134 INFO L87 Difference]: Start difference. First operand 145 states and 223 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (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) [2023-11-06 22:44:29,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:31,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:32,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:32,004 INFO L93 Difference]: Finished difference Result 329 states and 504 transitions. [2023-11-06 22:44:32,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:44:32,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (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 166 [2023-11-06 22:44:32,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:32,009 INFO L225 Difference]: With dead ends: 329 [2023-11-06 22:44:32,010 INFO L226 Difference]: Without dead ends: 187 [2023-11-06 22:44:32,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:44:32,014 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 29 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:32,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 220 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2023-11-06 22:44:32,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-06 22:44:32,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 162. [2023-11-06 22:44:32,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 107 states have (on average 1.3364485981308412) internal successors, (143), 107 states have internal predecessors, (143), 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) [2023-11-06 22:44:32,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 247 transitions. [2023-11-06 22:44:32,053 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 247 transitions. Word has length 166 [2023-11-06 22:44:32,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:32,055 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 247 transitions. [2023-11-06 22:44:32,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (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) [2023-11-06 22:44:32,055 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 247 transitions. [2023-11-06 22:44:32,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-06 22:44:32,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:32,059 INFO L195 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] [2023-11-06 22:44:32,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:32,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:44:32,273 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:44:32,274 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:32,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1620809071, now seen corresponding path program 1 times [2023-11-06 22:44:32,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:44:32,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723534954] [2023-11-06 22:44:32,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:32,275 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 [2023-11-06 22:44:32,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:44:32,277 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:44:32,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:44:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:33,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:44:33,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:44:33,725 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:44:33,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:44:33,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723534954] [2023-11-06 22:44:33,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [723534954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:44:33,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:44:33,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:44:33,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285879641] [2023-11-06 22:44:33,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:44:33,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:44:33,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:44:33,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:44:33,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:44:33,730 INFO L87 Difference]: Start difference. First operand 162 states and 247 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (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) [2023-11-06 22:44:37,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:39,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:39,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:39,603 INFO L93 Difference]: Finished difference Result 345 states and 522 transitions. [2023-11-06 22:44:39,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:44:39,603 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (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 167 [2023-11-06 22:44:39,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:39,606 INFO L225 Difference]: With dead ends: 345 [2023-11-06 22:44:39,606 INFO L226 Difference]: Without dead ends: 186 [2023-11-06 22:44:39,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:44:39,609 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 29 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:39,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 223 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2023-11-06 22:44:39,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-06 22:44:39,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 162. [2023-11-06 22:44:39,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 107 states have (on average 1.280373831775701) internal successors, (137), 107 states have internal predecessors, (137), 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) [2023-11-06 22:44:39,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 241 transitions. [2023-11-06 22:44:39,637 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 241 transitions. Word has length 167 [2023-11-06 22:44:39,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:39,638 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 241 transitions. [2023-11-06 22:44:39,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (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) [2023-11-06 22:44:39,639 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 241 transitions. [2023-11-06 22:44:39,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-06 22:44:39,642 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:39,642 INFO L195 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] [2023-11-06 22:44:39,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:39,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:44:39,865 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:44:39,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:39,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1875897748, now seen corresponding path program 1 times [2023-11-06 22:44:39,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:44:39,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66419565] [2023-11-06 22:44:39,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:39,867 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 [2023-11-06 22:44:39,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:44:39,868 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:44:39,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-06 22:44:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:41,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:44:41,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:44:50,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:44:50,889 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:44:50,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66419565] [2023-11-06 22:44:50,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66419565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:44:50,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:44:50,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:44:50,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914366335] [2023-11-06 22:44:50,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:44:50,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:44:50,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:44:50,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:44:50,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:44:50,893 INFO L87 Difference]: Start difference. First operand 162 states and 241 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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) [2023-11-06 22:44:55,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:44:57,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:00,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:02,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:04,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:06,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:08,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:10,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:12,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:13,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:45:13,304 INFO L93 Difference]: Finished difference Result 639 states and 955 transitions. [2023-11-06 22:45:13,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:45:13,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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 168 [2023-11-06 22:45:13,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:45:13,311 INFO L225 Difference]: With dead ends: 639 [2023-11-06 22:45:13,311 INFO L226 Difference]: Without dead ends: 480 [2023-11-06 22:45:13,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:45:13,314 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 95 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 53 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:45:13,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 571 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 227 Invalid, 9 Unknown, 0 Unchecked, 22.1s Time] [2023-11-06 22:45:13,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2023-11-06 22:45:13,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 472. [2023-11-06 22:45:13,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 309 states have (on average 1.284789644012945) internal successors, (397), 309 states have internal predecessors, (397), 156 states have call successors, (156), 6 states have call predecessors, (156), 6 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2023-11-06 22:45:13,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 709 transitions. [2023-11-06 22:45:13,396 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 709 transitions. Word has length 168 [2023-11-06 22:45:13,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:45:13,397 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 709 transitions. [2023-11-06 22:45:13,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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) [2023-11-06 22:45:13,398 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 709 transitions. [2023-11-06 22:45:13,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-06 22:45:13,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:45:13,401 INFO L195 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] [2023-11-06 22:45:13,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-06 22:45:13,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:45:13,629 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:45:13,630 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:45:13,630 INFO L85 PathProgramCache]: Analyzing trace with hash -864780498, now seen corresponding path program 1 times [2023-11-06 22:45:13,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:45:13,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122517460] [2023-11-06 22:45:13,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:45:13,631 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 [2023-11-06 22:45:13,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:45:13,632 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:45:13,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:45:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:45:15,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:45:15,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:45:20,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:45:20,934 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:45:20,934 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:45:20,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122517460] [2023-11-06 22:45:20,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122517460] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:45:20,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:45:20,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:45:20,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147295243] [2023-11-06 22:45:20,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:45:20,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:45:20,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:45:20,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:45:20,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:45:20,937 INFO L87 Difference]: Start difference. First operand 472 states and 709 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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) [2023-11-06 22:45:26,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:28,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:30,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:32,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:34,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:36,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:38,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:40,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:42,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:44,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:46,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:48,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:50,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:52,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:54,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:45:56,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:01,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:03,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:05,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:07,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:07,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:07,992 INFO L93 Difference]: Finished difference Result 904 states and 1335 transitions. [2023-11-06 22:46:08,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:46:08,364 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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 168 [2023-11-06 22:46:08,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:08,370 INFO L225 Difference]: With dead ends: 904 [2023-11-06 22:46:08,370 INFO L226 Difference]: Without dead ends: 745 [2023-11-06 22:46:08,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:46:08,373 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 328 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 105 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:08,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 640 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 326 Invalid, 20 Unknown, 0 Unchecked, 46.4s Time] [2023-11-06 22:46:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2023-11-06 22:46:08,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 627. [2023-11-06 22:46:08,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 410 states have (on average 1.2829268292682927) internal successors, (526), 410 states have internal predecessors, (526), 208 states have call successors, (208), 8 states have call predecessors, (208), 8 states have return successors, (208), 208 states have call predecessors, (208), 208 states have call successors, (208) [2023-11-06 22:46:08,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 942 transitions. [2023-11-06 22:46:08,466 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 942 transitions. Word has length 168 [2023-11-06 22:46:08,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:08,467 INFO L495 AbstractCegarLoop]: Abstraction has 627 states and 942 transitions. [2023-11-06 22:46:08,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 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) [2023-11-06 22:46:08,467 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 942 transitions. [2023-11-06 22:46:08,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-06 22:46:08,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:08,470 INFO L195 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] [2023-11-06 22:46:08,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:46:08,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:46:08,685 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:08,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:08,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1398001194, now seen corresponding path program 1 times [2023-11-06 22:46:08,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:46:08,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1311970396] [2023-11-06 22:46:08,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:08,687 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 [2023-11-06 22:46:08,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:46:08,688 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:46:08,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:46:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:10,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:46:10,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:46:14,821 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:46:14,821 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:46:14,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1311970396] [2023-11-06 22:46:14,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1311970396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:14,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:14,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:46:14,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465165254] [2023-11-06 22:46:14,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:14,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:46:14,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:46:14,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:46:14,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:46:14,825 INFO L87 Difference]: Start difference. First operand 627 states and 942 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2023-11-06 22:46:18,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:20,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:22,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:26,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:28,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:28,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:28,536 INFO L93 Difference]: Finished difference Result 1751 states and 2613 transitions. [2023-11-06 22:46:28,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:46:28,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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 168 [2023-11-06 22:46:28,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:28,930 INFO L225 Difference]: With dead ends: 1751 [2023-11-06 22:46:28,931 INFO L226 Difference]: Without dead ends: 1127 [2023-11-06 22:46:28,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:46:28,934 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 124 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 53 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:28,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 310 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 24 Invalid, 5 Unknown, 0 Unchecked, 13.5s Time] [2023-11-06 22:46:28,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2023-11-06 22:46:29,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 1007. [2023-11-06 22:46:29,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 655 states have (on average 1.2732824427480915) internal successors, (834), 655 states have internal predecessors, (834), 338 states have call successors, (338), 13 states have call predecessors, (338), 13 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2023-11-06 22:46:29,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1510 transitions. [2023-11-06 22:46:29,104 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1510 transitions. Word has length 168 [2023-11-06 22:46:29,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:29,105 INFO L495 AbstractCegarLoop]: Abstraction has 1007 states and 1510 transitions. [2023-11-06 22:46:29,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 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) [2023-11-06 22:46:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1510 transitions. [2023-11-06 22:46:29,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-06 22:46:29,108 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:29,109 INFO L195 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] [2023-11-06 22:46:29,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:29,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:46:29,335 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:29,336 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:29,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1315257373, now seen corresponding path program 1 times [2023-11-06 22:46:29,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:46:29,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883497632] [2023-11-06 22:46:29,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:29,337 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 [2023-11-06 22:46:29,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:46:29,338 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:46:29,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beebe25d-400d-4996-b963-6c1a278a050d/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-06 22:46:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:30,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:46:30,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:46:33,565 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:46:33,565 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:46:33,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883497632] [2023-11-06 22:46:33,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883497632] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:33,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:33,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:46:33,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173615909] [2023-11-06 22:46:33,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:33,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:46:33,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:46:33,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:46:33,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:46:33,568 INFO L87 Difference]: Start difference. First operand 1007 states and 1510 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 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) [2023-11-06 22:46:37,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:39,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:41,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:44,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:46,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:48,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:51,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:46:54,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []