./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-4.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_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 fb87e983d21d7edfae5fed43f2c976d705085cd9bb7ca844eb724af3c5ed0b1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:22:48,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:22:49,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:22:49,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:22:49,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:22:49,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:22:49,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:22:49,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:22:49,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:22:49,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:22:49,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:22:49,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:22:49,059 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:22:49,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:22:49,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:22:49,061 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:22:49,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:22:49,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:22:49,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:22:49,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:22:49,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:22:49,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:22:49,065 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:22:49,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:22:49,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:22:49,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:22:49,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:22:49,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:22:49,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:22:49,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:22:49,070 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:22:49,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:22:49,070 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:22:49,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:22:49,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:22:49,072 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:22:49,072 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:22:49,073 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:22:49,073 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:22:49,074 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_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb87e983d21d7edfae5fed43f2c976d705085cd9bb7ca844eb724af3c5ed0b1d [2023-11-06 22:22:49,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:22:49,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:22:49,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:22:49,397 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:22:49,398 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:22:49,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-4.i [2023-11-06 22:22:52,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:22:52,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:22:52,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-4.i [2023-11-06 22:22:52,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/data/46664f914/34a6717825f349879e676dde2890bc49/FLAGcda43e7dc [2023-11-06 22:22:52,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/data/46664f914/34a6717825f349879e676dde2890bc49 [2023-11-06 22:22:52,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:22:52,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:22:52,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:22:52,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:22:52,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:22:52,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:52" (1/1) ... [2023-11-06 22:22:52,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7e452c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:52, skipping insertion in model container [2023-11-06 22:22:52,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:22:52" (1/1) ... [2023-11-06 22:22:53,037 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:22:53,185 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_bbf5519d-6454-4baf-98ec-b75072dbf0c5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-4.i[912,925] [2023-11-06 22:22:53,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:22:53,256 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:22:53,268 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_bbf5519d-6454-4baf-98ec-b75072dbf0c5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-4.i[912,925] [2023-11-06 22:22:53,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:22:53,318 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:22:53,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53 WrapperNode [2023-11-06 22:22:53,319 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:22:53,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:22:53,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:22:53,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:22:53,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53" (1/1) ... [2023-11-06 22:22:53,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53" (1/1) ... [2023-11-06 22:22:53,401 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2023-11-06 22:22:53,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:22:53,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:22:53,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:22:53,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:22:53,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53" (1/1) ... [2023-11-06 22:22:53,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53" (1/1) ... [2023-11-06 22:22:53,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53" (1/1) ... [2023-11-06 22:22:53,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53" (1/1) ... [2023-11-06 22:22:53,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53" (1/1) ... [2023-11-06 22:22:53,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53" (1/1) ... [2023-11-06 22:22:53,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53" (1/1) ... [2023-11-06 22:22:53,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53" (1/1) ... [2023-11-06 22:22:53,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:22:53,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:22:53,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:22:53,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:22:53,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53" (1/1) ... [2023-11-06 22:22:53,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:22:53,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:53,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:22:53,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:22:53,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:22:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:22:53,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:22:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:22:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:22:53,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:22:53,698 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:22:53,702 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:22:54,160 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:22:54,169 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:22:54,169 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:22:54,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:54 BoogieIcfgContainer [2023-11-06 22:22:54,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:22:54,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:22:54,176 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:22:54,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:22:54,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:22:52" (1/3) ... [2023-11-06 22:22:54,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2363f5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:54, skipping insertion in model container [2023-11-06 22:22:54,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:22:53" (2/3) ... [2023-11-06 22:22:54,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2363f5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:22:54, skipping insertion in model container [2023-11-06 22:22:54,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:54" (3/3) ... [2023-11-06 22:22:54,189 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-4.i [2023-11-06 22:22:54,213 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:22:54,213 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:22:54,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:22:54,286 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;@2f89f75d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:22:54,286 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:22:54,294 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:22:54,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-06 22:22:54,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:54,322 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:22:54,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:54,329 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:54,329 INFO L85 PathProgramCache]: Analyzing trace with hash 834309400, now seen corresponding path program 1 times [2023-11-06 22:22:54,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:54,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27835534] [2023-11-06 22:22:54,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:54,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:54,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:54,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27835534] [2023-11-06 22:22:54,779 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:22:54,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968529704] [2023-11-06 22:22:54,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:54,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:54,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:54,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:54,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:22:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:55,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:22:55,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 1682 trivial. 0 not checked. [2023-11-06 22:22:55,188 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:55,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968529704] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:55,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:55,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:22:55,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384011930] [2023-11-06 22:22:55,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:55,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:22:55,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:55,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:22:55,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:22:55,236 INFO L87 Difference]: Start difference. First operand has 76 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-06 22:22:55,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:55,300 INFO L93 Difference]: Finished difference Result 145 states and 262 transitions. [2023-11-06 22:22:55,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:22:55,303 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) Word has length 181 [2023-11-06 22:22:55,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:55,313 INFO L225 Difference]: With dead ends: 145 [2023-11-06 22:22:55,314 INFO L226 Difference]: Without dead ends: 72 [2023-11-06 22:22:55,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 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 22:22:55,327 INFO L413 NwaCegarLoop]: 111 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, 111 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 22:22:55,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:22:55,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-06 22:22:55,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-06 22:22:55,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:22:55,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 111 transitions. [2023-11-06 22:22:55,430 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 111 transitions. Word has length 181 [2023-11-06 22:22:55,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:55,431 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 111 transitions. [2023-11-06 22:22:55,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-06 22:22:55,432 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-06 22:22:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-06 22:22:55,437 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:55,437 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:22:55,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-06 22:22:55,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:55,641 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:55,642 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:55,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1350820196, now seen corresponding path program 1 times [2023-11-06 22:22:55,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:55,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5492216] [2023-11-06 22:22:55,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:55,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:55,777 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:55,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288472151] [2023-11-06 22:22:55,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:55,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:55,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:55,781 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:55,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:22:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:55,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:22:55,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:56,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 519 proven. 72 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2023-11-06 22:22:56,440 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-11-06 22:22:56,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:56,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5492216] [2023-11-06 22:22:56,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:56,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288472151] [2023-11-06 22:22:56,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288472151] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:22:56,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:22:56,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2023-11-06 22:22:56,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855718420] [2023-11-06 22:22:56,858 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:22:56,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:22:56,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:56,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:22:56,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:22:56,865 INFO L87 Difference]: Start difference. First operand 72 states and 111 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-11-06 22:22:57,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:57,834 INFO L93 Difference]: Finished difference Result 244 states and 356 transitions. [2023-11-06 22:22:57,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-06 22:22:57,839 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 181 [2023-11-06 22:22:57,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:57,844 INFO L225 Difference]: With dead ends: 244 [2023-11-06 22:22:57,845 INFO L226 Difference]: Without dead ends: 175 [2023-11-06 22:22:57,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 352 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:22:57,848 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 293 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:57,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 256 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:22:57,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-06 22:22:57,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 102. [2023-11-06 22:22:57,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 64 states have (on average 1.3125) internal successors, (84), 65 states have internal predecessors, (84), 34 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-06 22:22:57,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 152 transitions. [2023-11-06 22:22:57,881 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 152 transitions. Word has length 181 [2023-11-06 22:22:57,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:57,883 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 152 transitions. [2023-11-06 22:22:57,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 2 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2023-11-06 22:22:57,883 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 152 transitions. [2023-11-06 22:22:57,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-06 22:22:57,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:57,887 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:22:57,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:58,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:58,089 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:58,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:58,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1446151434, now seen corresponding path program 1 times [2023-11-06 22:22:58,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:58,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187162455] [2023-11-06 22:22:58,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:58,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:58,174 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:58,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1535325406] [2023-11-06 22:22:58,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:58,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:58,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:58,184 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:58,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:22:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:58,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:22:58,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:59,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 519 proven. 72 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2023-11-06 22:22:59,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:59,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-11-06 22:22:59,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:59,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187162455] [2023-11-06 22:22:59,534 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:59,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535325406] [2023-11-06 22:22:59,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535325406] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:22:59,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:22:59,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2023-11-06 22:22:59,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125965325] [2023-11-06 22:22:59,536 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:22:59,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:22:59,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:59,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:22:59,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:22:59,543 INFO L87 Difference]: Start difference. First operand 102 states and 152 transitions. Second operand has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2023-11-06 22:23:00,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:00,318 INFO L93 Difference]: Finished difference Result 380 states and 551 transitions. [2023-11-06 22:23:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-06 22:23:00,319 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) Word has length 182 [2023-11-06 22:23:00,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:00,325 INFO L225 Difference]: With dead ends: 380 [2023-11-06 22:23:00,326 INFO L226 Difference]: Without dead ends: 281 [2023-11-06 22:23:00,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=142, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:23:00,329 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 212 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:00,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 293 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:23:00,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-06 22:23:00,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 170. [2023-11-06 22:23:00,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 99 states have (on average 1.2424242424242424) internal successors, (123), 100 states have internal predecessors, (123), 64 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-06 22:23:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 251 transitions. [2023-11-06 22:23:00,387 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 251 transitions. Word has length 182 [2023-11-06 22:23:00,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:00,388 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 251 transitions. [2023-11-06 22:23:00,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.2) internal successors, (72), 10 states have internal predecessors, (72), 4 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 4 states have call predecessors, (60), 4 states have call successors, (60) [2023-11-06 22:23:00,389 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 251 transitions. [2023-11-06 22:23:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-06 22:23:00,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:00,393 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:00,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:00,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:00,602 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:00,603 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:00,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1637314558, now seen corresponding path program 1 times [2023-11-06 22:23:00,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:00,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388484136] [2023-11-06 22:23:00,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:00,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:00,677 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:23:00,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185719260] [2023-11-06 22:23:00,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:00,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:00,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:00,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:00,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:23:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:00,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:23:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:01,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:23:01,007 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:23:01,008 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:23:01,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:01,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:01,221 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:23:01,225 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:23:01,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:23:01 BoogieIcfgContainer [2023-11-06 22:23:01,361 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:23:01,362 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:23:01,362 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:23:01,362 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:23:01,363 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:22:54" (3/4) ... [2023-11-06 22:23:01,365 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:23:01,366 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:23:01,367 INFO L158 Benchmark]: Toolchain (without parser) took 8380.92ms. Allocated memory was 134.2MB in the beginning and 222.3MB in the end (delta: 88.1MB). Free memory was 89.7MB in the beginning and 69.5MB in the end (delta: 20.2MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. [2023-11-06 22:23:01,367 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:23:01,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.36ms. Allocated memory is still 134.2MB. Free memory was 89.3MB in the beginning and 75.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:23:01,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.00ms. Allocated memory is still 134.2MB. Free memory was 75.3MB in the beginning and 72.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:23:01,368 INFO L158 Benchmark]: Boogie Preprocessor took 38.42ms. Allocated memory is still 134.2MB. Free memory was 72.3MB in the beginning and 70.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:23:01,369 INFO L158 Benchmark]: RCFGBuilder took 730.62ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 70.1MB in the beginning and 141.4MB in the end (delta: -71.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-06 22:23:01,369 INFO L158 Benchmark]: TraceAbstraction took 7185.52ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 140.6MB in the beginning and 69.5MB in the end (delta: 71.1MB). Peak memory consumption was 108.6MB. Max. memory is 16.1GB. [2023-11-06 22:23:01,369 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 222.3MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:23:01,371 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.36ms. Allocated memory is still 134.2MB. Free memory was 89.3MB in the beginning and 75.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.00ms. Allocated memory is still 134.2MB. Free memory was 75.3MB in the beginning and 72.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.42ms. Allocated memory is still 134.2MB. Free memory was 72.3MB in the beginning and 70.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 730.62ms. Allocated memory was 134.2MB in the beginning and 184.5MB in the end (delta: 50.3MB). Free memory was 70.1MB in the beginning and 141.4MB in the end (delta: -71.3MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7185.52ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 140.6MB in the beginning and 69.5MB in the end (delta: 71.1MB). Peak memory consumption was 108.6MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 222.3MB. Free memory is still 69.5MB. 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 137. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned short int var_1_2 = 256; [L24] unsigned short int var_1_3 = 128; [L25] unsigned char var_1_4 = 0; [L26] unsigned char var_1_5 = 0; [L27] unsigned short int var_1_6 = 4; [L28] signed short int var_1_7 = 32; [L29] signed long int var_1_8 = 100000000; [L30] unsigned short int var_1_9 = 4; [L31] unsigned short int var_1_10 = 10; [L32] double var_1_11 = 15.6; [L33] double var_1_12 = 256.4; [L34] double var_1_13 = 49.15; [L35] unsigned long int var_1_14 = 500; [L36] unsigned long int var_1_15 = 2173307753; [L37] unsigned long int var_1_16 = 3362224480; [L38] signed short int var_1_17 = 16; [L39] unsigned short int var_1_18 = 16; [L40] signed short int var_1_19 = 16; [L41] signed short int var_1_20 = 4; [L42] signed short int var_1_21 = 0; [L43] signed short int var_1_22 = -25; VAL [isInitial=0, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_2=256, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] FCALL updateLastVariables() [L145] CALL updateVariables() [L87] var_1_2 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L88] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L89] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L89] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=128, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L90] var_1_3 = __VERIFIER_nondet_ushort() [L91] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L91] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L92] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L92] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L93] var_1_4 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L94] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L95] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L95] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L96] var_1_5 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L97] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L98] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L98] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=32, var_1_8=100000000, var_1_9=4] [L99] var_1_7 = __VERIFIER_nondet_short() [L100] CALL assume_abort_if_not(var_1_7 >= -32768) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=100000000, var_1_9=4] [L100] RET assume_abort_if_not(var_1_7 >= -32768) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=100000000, var_1_9=4] [L101] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=100000000, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=100000000, var_1_9=4] [L101] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=100000000, var_1_9=4] [L102] var_1_8 = __VERIFIER_nondet_long() [L103] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L103] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L104] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L104] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=10, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L105] var_1_10 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L106] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L107] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L107] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=1282/5, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L108] var_1_12 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L109] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=983/20, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L110] var_1_13 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L111] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=2173307753, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L112] var_1_15 = __VERIFIER_nondet_ulong() [L113] CALL assume_abort_if_not(var_1_15 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L113] RET assume_abort_if_not(var_1_15 >= 2147483647) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L114] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L114] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=3362224480, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L115] var_1_16 = __VERIFIER_nondet_ulong() [L116] CALL assume_abort_if_not(var_1_16 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L116] RET assume_abort_if_not(var_1_16 >= 3221225470) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L117] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L117] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=16, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L118] var_1_18 = __VERIFIER_nondet_ushort() [L119] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L119] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L120] CALL assume_abort_if_not(var_1_18 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L120] RET assume_abort_if_not(var_1_18 <= 65535) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L121] var_1_19 = __VERIFIER_nondet_short() [L122] CALL assume_abort_if_not(var_1_19 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L122] RET assume_abort_if_not(var_1_19 >= -16383) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L123] CALL assume_abort_if_not(var_1_19 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L123] RET assume_abort_if_not(var_1_19 <= 16383) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=4, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L124] var_1_20 = __VERIFIER_nondet_short() [L125] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L125] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L126] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L126] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L127] var_1_21 = __VERIFIER_nondet_short() [L128] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L128] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L129] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L129] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-25, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L130] var_1_22 = __VERIFIER_nondet_short() [L131] CALL assume_abort_if_not(var_1_22 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L131] RET assume_abort_if_not(var_1_22 >= -16383) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L132] CALL assume_abort_if_not(var_1_22 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L132] RET assume_abort_if_not(var_1_22 <= 16383) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L145] RET updateVariables() [L146] CALL step() [L47] COND FALSE !(var_1_2 <= var_1_3) [L52] var_1_1 = (var_1_4 || var_1_5) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_2=3, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L54] COND FALSE !(\read(var_1_5)) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_2=3, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L59] COND FALSE !(var_1_4 || var_1_1) VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_2=3, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=4] [L62] COND FALSE !(var_1_7 >= var_1_3) [L65] var_1_9 = var_1_10 VAL [isInitial=1, var_1_10=65534, var_1_11=78/5, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_2=3, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=65534] [L68] COND FALSE !(var_1_6 <= var_1_2) [L73] var_1_11 = var_1_12 VAL [isInitial=1, var_1_10=65534, var_1_11=2, var_1_12=2, var_1_13=3, var_1_14=500, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_2=3, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=65534] [L75] COND TRUE var_1_6 >= var_1_3 [L76] var_1_14 = (((((var_1_15) > ((var_1_16 - var_1_10))) ? (var_1_15) : ((var_1_16 - var_1_10)))) - var_1_2) VAL [isInitial=1, var_1_10=65534, var_1_11=2, var_1_12=2, var_1_13=3, var_1_14=4294901757, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_2=3, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=65534] [L78] COND FALSE !(var_1_1 && (var_1_5 && (var_1_12 < var_1_13))) VAL [isInitial=1, var_1_10=65534, var_1_11=2, var_1_12=2, var_1_13=3, var_1_14=4294901757, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_2=3, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=65534] [L146] RET step() [L147] CALL, EXPR property() [L137-L138] return ((((((var_1_2 <= var_1_3) ? (((- var_1_3) > var_1_2) ? (var_1_1 == ((unsigned char) 0)) : 1) : (var_1_1 == ((unsigned char) (var_1_4 || var_1_5)))) && (var_1_5 ? (((var_1_2 * (var_1_3 + var_1_7)) > var_1_8) ? (var_1_6 == ((unsigned short int) 256)) : 1) : 1)) && ((var_1_4 || var_1_1) ? (var_1_9 == ((unsigned short int) ((((32) < (var_1_10)) ? (32) : (var_1_10))))) : ((var_1_7 >= var_1_3) ? (var_1_9 == ((unsigned short int) var_1_10)) : (var_1_9 == ((unsigned short int) var_1_10))))) && ((var_1_6 <= var_1_2) ? ((! var_1_1) ? (var_1_11 == ((double) (var_1_12 - var_1_13))) : 1) : (var_1_11 == ((double) var_1_12)))) && ((var_1_6 >= var_1_3) ? (var_1_14 == ((unsigned long int) (((((var_1_15) > ((var_1_16 - var_1_10))) ? (var_1_15) : ((var_1_16 - var_1_10)))) - var_1_2))) : 1)) && ((var_1_1 && (var_1_5 && (var_1_12 < var_1_13))) ? ((var_1_1 || (var_1_9 >= ((((var_1_18) > (var_1_7)) ? (var_1_18) : (var_1_7))))) ? (var_1_17 == ((signed short int) (((((((((var_1_19) > (256)) ? (var_1_19) : (256))) + (var_1_20 - var_1_21))) < ((var_1_22 + 64))) ? ((((((var_1_19) > (256)) ? (var_1_19) : (256))) + (var_1_20 - var_1_21))) : ((var_1_22 + 64)))))) : (var_1_17 == ((signed short int) var_1_19))) : 1) ; VAL [\result=0, isInitial=1, var_1_10=65534, var_1_11=2, var_1_12=2, var_1_13=3, var_1_14=4294901757, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_2=3, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=65534] [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=65534, var_1_11=2, var_1_12=2, var_1_13=3, var_1_14=4294901757, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_2=3, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=65534] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=65534, var_1_11=2, var_1_12=2, var_1_13=3, var_1_14=4294901757, var_1_15=4294901760, var_1_16=4294967294, var_1_17=16, var_1_18=5, var_1_19=16383, var_1_1=0, var_1_20=16383, var_1_21=0, var_1_22=-16383, var_1_2=3, var_1_3=2, var_1_4=0, var_1_5=0, var_1_6=4, var_1_7=1, var_1_8=2147483647, var_1_9=65534] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 4, TraceHistogramMax: 30, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 549 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 505 mSDsluCounter, 660 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 385 mSDsCounter, 230 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 782 IncrementalHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 230 mSolverCounterUnsat, 275 mSDtfsCounter, 782 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 925 GetRequests, 887 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=170occurred in iteration=3, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 184 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 907 NumberOfCodeBlocks, 907 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 902 ConstructedInterpolants, 0 QuantifiedInterpolants, 3401 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1238 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 8412/8700 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 22:23:01,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 fb87e983d21d7edfae5fed43f2c976d705085cd9bb7ca844eb724af3c5ed0b1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:23:04,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:23:04,491 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:23:04,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:23:04,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:23:04,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:23:04,561 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:23:04,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:23:04,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:23:04,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:23:04,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:23:04,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:23:04,572 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:23:04,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:23:04,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:23:04,576 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:23:04,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:23:04,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:23:04,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:23:04,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:23:04,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:23:04,580 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:23:04,580 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:23:04,581 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:23:04,582 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:23:04,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:23:04,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:23:04,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:23:04,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:23:04,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:23:04,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:23:04,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:23:04,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:23:04,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:23:04,589 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:23:04,589 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:23:04,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:23:04,590 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:23:04,590 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:23:04,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:23:04,592 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:23:04,593 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:23:04,593 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_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb87e983d21d7edfae5fed43f2c976d705085cd9bb7ca844eb724af3c5ed0b1d [2023-11-06 22:23:05,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:23:05,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:23:05,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:23:05,102 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:23:05,102 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:23:05,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-4.i [2023-11-06 22:23:08,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:23:08,738 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:23:08,739 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-4.i [2023-11-06 22:23:08,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/data/70e07feb8/a78ffd20bcc944d481526e5a3f5434b4/FLAG22e560f81 [2023-11-06 22:23:08,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/data/70e07feb8/a78ffd20bcc944d481526e5a3f5434b4 [2023-11-06 22:23:08,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:23:08,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:23:08,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:08,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:23:08,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:23:08,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:08" (1/1) ... [2023-11-06 22:23:08,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5705ff9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:08, skipping insertion in model container [2023-11-06 22:23:08,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:08" (1/1) ... [2023-11-06 22:23:08,842 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:23:09,029 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_bbf5519d-6454-4baf-98ec-b75072dbf0c5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-4.i[912,925] [2023-11-06 22:23:09,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:09,115 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:23:09,128 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_bbf5519d-6454-4baf-98ec-b75072dbf0c5/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-4.i[912,925] [2023-11-06 22:23:09,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:09,193 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:23:09,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09 WrapperNode [2023-11-06 22:23:09,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:09,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:09,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:23:09,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:23:09,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09" (1/1) ... [2023-11-06 22:23:09,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09" (1/1) ... [2023-11-06 22:23:09,264 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 156 [2023-11-06 22:23:09,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:09,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:23:09,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:23:09,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:23:09,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09" (1/1) ... [2023-11-06 22:23:09,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09" (1/1) ... [2023-11-06 22:23:09,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09" (1/1) ... [2023-11-06 22:23:09,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09" (1/1) ... [2023-11-06 22:23:09,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09" (1/1) ... [2023-11-06 22:23:09,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09" (1/1) ... [2023-11-06 22:23:09,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09" (1/1) ... [2023-11-06 22:23:09,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09" (1/1) ... [2023-11-06 22:23:09,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:23:09,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:23:09,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:23:09,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:23:09,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09" (1/1) ... [2023-11-06 22:23:09,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:23:09,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:09,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:23:09,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:23:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:23:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:23:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:23:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:23:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:23:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:23:09,498 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:23:09,501 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:23:10,324 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:23:10,338 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:23:10,358 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:23:10,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:10 BoogieIcfgContainer [2023-11-06 22:23:10,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:23:10,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:23:10,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:23:10,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:23:10,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:23:08" (1/3) ... [2023-11-06 22:23:10,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719969d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:23:10, skipping insertion in model container [2023-11-06 22:23:10,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:09" (2/3) ... [2023-11-06 22:23:10,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719969d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:23:10, skipping insertion in model container [2023-11-06 22:23:10,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:10" (3/3) ... [2023-11-06 22:23:10,374 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-4.i [2023-11-06 22:23:10,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:23:10,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:23:10,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:23:10,493 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;@3e30be6b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:23:10,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:23:10,500 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:23:10,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-06 22:23:10,524 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:10,526 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:10,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:10,537 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:10,537 INFO L85 PathProgramCache]: Analyzing trace with hash 834309400, now seen corresponding path program 1 times [2023-11-06 22:23:10,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:10,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [624794595] [2023-11-06 22:23:10,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:10,562 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 22:23:10,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:10,568 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:10,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:23:11,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:11,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2023-11-06 22:23:11,095 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:11,096 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:11,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [624794595] [2023-11-06 22:23:11,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [624794595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:11,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:11,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:23:11,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488294404] [2023-11-06 22:23:11,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:11,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:23:11,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:11,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:23:11,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:23:11,144 INFO L87 Difference]: Start difference. First operand has 76 states, 43 states have (on average 1.372093023255814) internal successors, (59), 44 states have internal predecessors, (59), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-06 22:23:11,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:11,189 INFO L93 Difference]: Finished difference Result 145 states and 262 transitions. [2023-11-06 22:23:11,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:23:11,192 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 181 [2023-11-06 22:23:11,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:11,202 INFO L225 Difference]: With dead ends: 145 [2023-11-06 22:23:11,203 INFO L226 Difference]: Without dead ends: 72 [2023-11-06 22:23:11,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 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 22:23:11,220 INFO L413 NwaCegarLoop]: 111 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, 111 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 22:23:11,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:11,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-06 22:23:11,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-06 22:23:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:23:11,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 111 transitions. [2023-11-06 22:23:11,284 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 111 transitions. Word has length 181 [2023-11-06 22:23:11,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:11,285 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 111 transitions. [2023-11-06 22:23:11,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-06 22:23:11,286 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-06 22:23:11,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-06 22:23:11,290 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:11,291 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:11,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:11,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:11,497 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:11,498 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:11,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1350820196, now seen corresponding path program 1 times [2023-11-06 22:23:11,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:11,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445038671] [2023-11-06 22:23:11,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:11,500 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 22:23:11,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:11,502 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:11,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:23:11,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 635 proven. 135 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2023-11-06 22:23:13,246 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:13,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 33 proven. 138 refuted. 0 times theorem prover too weak. 1569 trivial. 0 not checked. [2023-11-06 22:23:13,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:13,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445038671] [2023-11-06 22:23:13,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445038671] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:13,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:23:13,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2023-11-06 22:23:13,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361993377] [2023-11-06 22:23:13,998 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:14,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:23:14,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:14,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:23:14,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:23:14,004 INFO L87 Difference]: Start difference. First operand 72 states and 111 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 3 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2023-11-06 22:23:15,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:15,976 INFO L93 Difference]: Finished difference Result 177 states and 260 transitions. [2023-11-06 22:23:15,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:23:15,977 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 3 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) Word has length 181 [2023-11-06 22:23:15,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:15,981 INFO L225 Difference]: With dead ends: 177 [2023-11-06 22:23:15,981 INFO L226 Difference]: Without dead ends: 108 [2023-11-06 22:23:15,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 348 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=177, Invalid=329, Unknown=0, NotChecked=0, Total=506 [2023-11-06 22:23:15,985 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 74 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:15,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 241 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-06 22:23:15,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-06 22:23:16,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 99. [2023-11-06 22:23:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 61 states have internal predecessors, (70), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-06 22:23:16,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 138 transitions. [2023-11-06 22:23:16,013 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 138 transitions. Word has length 181 [2023-11-06 22:23:16,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:16,015 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 138 transitions. [2023-11-06 22:23:16,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 3 states have call successors, (54), 3 states have call predecessors, (54), 7 states have return successors, (55), 3 states have call predecessors, (55), 3 states have call successors, (55) [2023-11-06 22:23:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2023-11-06 22:23:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-06 22:23:16,019 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:16,020 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:16,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:16,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:16,238 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:16,238 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:16,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1446151434, now seen corresponding path program 1 times [2023-11-06 22:23:16,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:16,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988425941] [2023-11-06 22:23:16,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:16,240 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 22:23:16,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:16,241 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:16,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:16,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:23:16,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 519 proven. 72 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2023-11-06 22:23:17,832 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:18,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-11-06 22:23:18,446 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:18,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988425941] [2023-11-06 22:23:18,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988425941] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:18,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:23:18,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 8 [2023-11-06 22:23:18,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045665507] [2023-11-06 22:23:18,447 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:18,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:23:18,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:18,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:23:18,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:23:18,462 INFO L87 Difference]: Start difference. First operand 99 states and 138 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-11-06 22:23:19,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:19,798 INFO L93 Difference]: Finished difference Result 186 states and 256 transitions. [2023-11-06 22:23:19,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:23:19,814 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 182 [2023-11-06 22:23:19,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:19,823 INFO L225 Difference]: With dead ends: 186 [2023-11-06 22:23:19,824 INFO L226 Difference]: Without dead ends: 90 [2023-11-06 22:23:19,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 355 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:23:19,828 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 66 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:19,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 137 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-06 22:23:19,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-06 22:23:19,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 82. [2023-11-06 22:23:19,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 47 states have internal predecessors, (52), 30 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-06 22:23:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 112 transitions. [2023-11-06 22:23:19,877 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 112 transitions. Word has length 182 [2023-11-06 22:23:19,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:19,880 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 112 transitions. [2023-11-06 22:23:19,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 2 states have call successors, (60), 3 states have call predecessors, (60), 5 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-11-06 22:23:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 112 transitions. [2023-11-06 22:23:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-06 22:23:19,894 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:19,895 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:23:19,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:20,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:20,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:20,097 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:20,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1637314558, now seen corresponding path program 1 times [2023-11-06 22:23:20,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:20,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131603445] [2023-11-06 22:23:20,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:20,098 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 22:23:20,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:20,105 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:20,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbf5519d-6454-4baf-98ec-b75072dbf0c5/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 22:23:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 22:23:20,453 INFO L285 TraceCheckSpWp]: Computing forward predicates...