./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-54.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 280b49e79c262e96fafa88ef875ee20b5e3b800a0199f38613b2668cbb928bf3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:03,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:03,524 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:47:03,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:03,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:03,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:03,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:03,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:03,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:03,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:03,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:03,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:03,584 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:03,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:03,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:03,587 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:03,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:03,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:03,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:03,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:03,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:03,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:03,590 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:03,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:03,591 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:03,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:03,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:03,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:03,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:03,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:03,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:03,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:03,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:03,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:03,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:03,596 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:03,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:03,597 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:03,597 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:03,597 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_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 280b49e79c262e96fafa88ef875ee20b5e3b800a0199f38613b2668cbb928bf3 [2023-11-19 07:47:03,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:03,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:03,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:03,942 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:03,943 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:03,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-54.i [2023-11-19 07:47:07,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:07,328 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:07,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-54.i [2023-11-19 07:47:07,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/data/f571e44da/859bcd37ab154de691270900bff39401/FLAG37b5cda1a [2023-11-19 07:47:07,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/data/f571e44da/859bcd37ab154de691270900bff39401 [2023-11-19 07:47:07,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:07,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:07,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:07,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:07,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:07,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de508a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07, skipping insertion in model container [2023-11-19 07:47:07,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,445 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:07,623 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_14efdc78-6227-4697-b604-77188360da9b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-54.i[919,932] [2023-11-19 07:47:07,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:07,695 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:07,709 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_14efdc78-6227-4697-b604-77188360da9b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-54.i[919,932] [2023-11-19 07:47:07,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:07,758 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:07,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07 WrapperNode [2023-11-19 07:47:07,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:07,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:07,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:07,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:07,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,822 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2023-11-19 07:47:07,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:07,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:07,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:07,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:07,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:07,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:07,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:07,861 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:07,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (1/1) ... [2023-11-19 07:47:07,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:07,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:07,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:07,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:07,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:07,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:07,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:07,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:08,071 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:08,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:08,519 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:08,531 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:08,531 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:47:08,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:08 BoogieIcfgContainer [2023-11-19 07:47:08,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:08,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:08,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:08,543 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:08,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:07" (1/3) ... [2023-11-19 07:47:08,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea6c939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:08, skipping insertion in model container [2023-11-19 07:47:08,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:07" (2/3) ... [2023-11-19 07:47:08,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea6c939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:08, skipping insertion in model container [2023-11-19 07:47:08,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:08" (3/3) ... [2023-11-19 07:47:08,547 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-54.i [2023-11-19 07:47:08,572 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:08,573 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:08,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:08,641 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@22c35bb8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:08,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-19 07:47:08,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 07:47:08,663 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:08,664 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:08,665 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:08,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:08,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1477697952, now seen corresponding path program 1 times [2023-11-19 07:47:08,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:08,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057094700] [2023-11-19 07:47:08,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:08,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:09,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:09,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057094700] [2023-11-19 07:47:09,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:47:09,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628881138] [2023-11-19 07:47:09,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:09,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:09,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:09,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:09,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:47:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:09,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:47:09,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:09,382 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-19 07:47:09,387 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:09,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628881138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:09,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:09,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:09,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102292059] [2023-11-19 07:47:09,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:09,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:09,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:09,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:09,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:09,468 INFO L87 Difference]: Start difference. First operand has 61 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-19 07:47:09,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:09,526 INFO L93 Difference]: Finished difference Result 115 states and 199 transitions. [2023-11-19 07:47:09,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:09,529 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 133 [2023-11-19 07:47:09,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:09,538 INFO L225 Difference]: With dead ends: 115 [2023-11-19 07:47:09,538 INFO L226 Difference]: Without dead ends: 57 [2023-11-19 07:47:09,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:09,547 INFO L413 NwaCegarLoop]: 85 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, 85 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 [2023-11-19 07:47:09,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:09,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-19 07:47:09,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-19 07:47:09,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-19 07:47:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 85 transitions. [2023-11-19 07:47:09,600 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 85 transitions. Word has length 133 [2023-11-19 07:47:09,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:09,601 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 85 transitions. [2023-11-19 07:47:09,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-19 07:47:09,602 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2023-11-19 07:47:09,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 07:47:09,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:09,606 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:09,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:09,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:47:09,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:09,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:09,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1808189346, now seen corresponding path program 1 times [2023-11-19 07:47:09,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:09,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710081165] [2023-11-19 07:47:09,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:09,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:09,943 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:47:09,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [117567364] [2023-11-19 07:47:09,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:09,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:09,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:09,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:09,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:47:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:10,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:47:10,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-19 07:47:10,532 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:10,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:10,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710081165] [2023-11-19 07:47:10,537 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:47:10,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117567364] [2023-11-19 07:47:10,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117567364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:10,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:10,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:10,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692048516] [2023-11-19 07:47:10,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:10,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:47:10,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:10,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:10,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:10,546 INFO L87 Difference]: Start difference. First operand 57 states and 85 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-19 07:47:10,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:10,809 INFO L93 Difference]: Finished difference Result 166 states and 250 transitions. [2023-11-19 07:47:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:47:10,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 133 [2023-11-19 07:47:10,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:10,820 INFO L225 Difference]: With dead ends: 166 [2023-11-19 07:47:10,821 INFO L226 Difference]: Without dead ends: 112 [2023-11-19 07:47:10,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:10,828 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 54 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:10,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 238 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:47:10,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-19 07:47:10,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 98. [2023-11-19 07:47:10,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 53 states have (on average 1.169811320754717) internal successors, (62), 53 states have internal predecessors, (62), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-19 07:47:10,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 146 transitions. [2023-11-19 07:47:10,871 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 146 transitions. Word has length 133 [2023-11-19 07:47:10,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:10,872 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 146 transitions. [2023-11-19 07:47:10,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-19 07:47:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 146 transitions. [2023-11-19 07:47:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 07:47:10,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:10,876 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:10,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:11,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:11,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:11,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:11,098 INFO L85 PathProgramCache]: Analyzing trace with hash 124102072, now seen corresponding path program 1 times [2023-11-19 07:47:11,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:11,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482593146] [2023-11-19 07:47:11,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:11,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:11,188 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:47:11,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1540647348] [2023-11-19 07:47:11,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:11,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:11,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:11,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:11,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:47:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:11,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:47:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:47:12,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:47:12,058 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:47:12,059 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:47:12,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:12,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:12,272 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:47:12,276 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:47:12,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:47:12 BoogieIcfgContainer [2023-11-19 07:47:12,464 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:47:12,465 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:47:12,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:47:12,465 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:47:12,466 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:08" (3/4) ... [2023-11-19 07:47:12,468 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:47:12,469 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:47:12,480 INFO L158 Benchmark]: Toolchain (without parser) took 5094.67ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 99.4MB in the beginning and 92.3MB in the end (delta: 7.1MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-19 07:47:12,481 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:12,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.78ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 99.6MB in the end (delta: -217.3kB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-19 07:47:12,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.62ms. Allocated memory is still 138.4MB. Free memory was 99.6MB in the beginning and 97.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:47:12,482 INFO L158 Benchmark]: Boogie Preprocessor took 36.65ms. Allocated memory is still 138.4MB. Free memory was 97.2MB in the beginning and 95.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:47:12,483 INFO L158 Benchmark]: RCFGBuilder took 674.96ms. Allocated memory is still 138.4MB. Free memory was 95.5MB in the beginning and 77.6MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:47:12,483 INFO L158 Benchmark]: TraceAbstraction took 3924.48ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 76.8MB in the beginning and 93.4MB in the end (delta: -16.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-11-19 07:47:12,484 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 169.9MB. Free memory was 93.4MB in the beginning and 92.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:47:12,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 138.4MB. Free memory is still 106.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.78ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 99.6MB in the end (delta: -217.3kB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.62ms. Allocated memory is still 138.4MB. Free memory was 99.6MB in the beginning and 97.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.65ms. Allocated memory is still 138.4MB. Free memory was 97.2MB in the beginning and 95.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 674.96ms. Allocated memory is still 138.4MB. Free memory was 95.5MB in the beginning and 77.6MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3924.48ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 76.8MB in the beginning and 93.4MB in the end (delta: -16.6MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 169.9MB. Free memory was 93.4MB in the beginning and 92.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 120, overapproximation of someBinaryFLOATComparisonOperation at line 120. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] signed short int var_1_4 = 256; [L24] signed short int var_1_5 = 0; [L25] signed short int var_1_6 = 25; [L26] signed short int var_1_8 = 100; [L27] unsigned char var_1_9 = 1; [L28] signed short int var_1_10 = -4; [L29] unsigned char var_1_11 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 1; [L32] unsigned long int var_1_14 = 64; [L33] double var_1_15 = 10.3; [L34] double var_1_16 = 128.6; [L35] unsigned long int var_1_17 = 2600113953; [L36] float var_1_18 = 8.25; [L37] float var_1_19 = 31.5; [L38] float var_1_20 = 2.625; [L39] float var_1_21 = 999999999999999.2; [L40] float var_1_22 = 127.5; [L41] unsigned char last_1_var_1_9 = 1; VAL [isInitial=0, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=256, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L124] isInitial = 1 [L125] FCALL initially() [L126] COND TRUE 1 [L127] CALL updateLastVariables() [L117] last_1_var_1_9 = var_1_9 VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=256, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L127] RET updateLastVariables() [L128] CALL updateVariables() [L81] var_1_4 = __VERIFIER_nondet_short() [L82] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L82] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L83] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L83] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L84] var_1_5 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=100, var_1_9=1] [L85] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=100, var_1_9=1] [L86] CALL assume_abort_if_not(var_1_5 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=100, var_1_9=1] [L86] RET assume_abort_if_not(var_1_5 <= 32766) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=100, var_1_9=1] [L87] var_1_8 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L88] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L89] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L90] var_1_10 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_10 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L91] RET assume_abort_if_not(var_1_10 >= -32768) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L92] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L93] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L94] var_1_11 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L95] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L96] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L96] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L97] var_1_12 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L98] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L99] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L99] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L100] var_1_15 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L101] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L102] var_1_16 = __VERIFIER_nondet_double() [L103] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L103] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L104] var_1_17 = __VERIFIER_nondet_ulong() [L105] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L105] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L106] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L107] var_1_19 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L108] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L109] var_1_20 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L110] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L111] var_1_21 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L112] RET assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=255/2, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L113] var_1_22 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L114] RET assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L128] RET updateVariables() [L129] CALL step() [L45] COND TRUE \read(last_1_var_1_9) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=25, var_1_8=1, var_1_9=1] [L46] COND TRUE var_1_5 == var_1_4 [L47] var_1_6 = ((((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) < ((var_1_4 - var_1_8))) ? (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) : ((var_1_4 - var_1_8)))) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=33/4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=2, var_1_8=1, var_1_9=1] [L54] COND FALSE !(-32 >= (var_1_5 - var_1_8)) [L61] var_1_18 = var_1_19 VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=4, var_1_19=4, var_1_1=-4, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=2, var_1_8=1, var_1_9=1] [L63] COND TRUE var_1_18 > var_1_18 [L64] var_1_1 = ((((((2 + var_1_4)) < (var_1_5)) ? ((2 + var_1_4)) : (var_1_5))) - 2) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=4, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=2, var_1_8=1, var_1_9=1] [L68] COND TRUE var_1_18 < ((((var_1_18) > ((var_1_15 - var_1_16))) ? (var_1_18) : ((var_1_15 - var_1_16)))) [L69] var_1_14 = (var_1_17 - (var_1_8 + var_1_4)) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=4294967288, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=4, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=2, var_1_8=1, var_1_9=1] [L71] COND TRUE ((var_1_8 * var_1_1) + var_1_4) >= ((((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5))) [L72] var_1_13 = var_1_12 VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=4294967288, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=4, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=2, var_1_8=1, var_1_9=1] [L74] COND FALSE !(((var_1_8 % var_1_10) * (8 + var_1_14)) >= var_1_14) [L77] var_1_9 = (! var_1_12) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=4294967288, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=4, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=2, var_1_8=1, var_1_9=1] [L129] RET step() [L130] CALL, EXPR property() [L120-L121] return ((((((var_1_18 > var_1_18) ? (var_1_1 == ((signed short int) ((((((2 + var_1_4)) < (var_1_5)) ? ((2 + var_1_4)) : (var_1_5))) - 2))) : (var_1_1 == ((signed short int) var_1_4))) && (last_1_var_1_9 ? ((var_1_5 == var_1_4) ? (var_1_6 == ((signed short int) ((((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) < ((var_1_4 - var_1_8))) ? (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) : ((var_1_4 - var_1_8)))))) : (var_1_6 == ((signed short int) var_1_8))) : (var_1_6 == ((signed short int) var_1_4)))) && ((((var_1_8 % var_1_10) * (8 + var_1_14)) >= var_1_14) ? (var_1_9 == ((unsigned char) ((! var_1_11) || var_1_12))) : (var_1_9 == ((unsigned char) (! var_1_12))))) && ((((var_1_8 * var_1_1) + var_1_4) >= ((((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)))) ? (var_1_13 == ((unsigned char) var_1_12)) : 1)) && ((var_1_18 < ((((var_1_18) > ((var_1_15 - var_1_16))) ? (var_1_18) : ((var_1_15 - var_1_16))))) ? (var_1_14 == ((unsigned long int) (var_1_17 - (var_1_8 + var_1_4)))) : 1)) && ((-32 >= (var_1_5 - var_1_8)) ? ((var_1_10 > var_1_6) ? (var_1_18 == ((float) ((var_1_19 - var_1_20) + (var_1_21 + var_1_22)))) : (var_1_18 == ((float) var_1_20))) : (var_1_18 == ((float) var_1_19))) ; VAL [\result=0, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=4294967288, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=4, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=2, var_1_8=1, var_1_9=1] [L130] RET, EXPR property() [L130] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=4294967288, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=4, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=2, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=1, var_1_10=2, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=4294967288, var_1_15=2, var_1_16=3, var_1_17=4294967292, var_1_18=4, var_1_19=4, var_1_1=1, var_1_20=5, var_1_21=6, var_1_22=7, var_1_4=3, var_1_5=3, var_1_6=2, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 54 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 323 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 156 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 167 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 265 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=2, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 533 NumberOfCodeBlocks, 533 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 510 SizeOfPredicates, 1 NumberOfNonLiveVariables, 644 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1680/1680 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 [2023-11-19 07:47:12,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 280b49e79c262e96fafa88ef875ee20b5e3b800a0199f38613b2668cbb928bf3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:15,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:15,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:47:15,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:15,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:15,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:15,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:15,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:15,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:15,557 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:15,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:15,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:15,559 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:15,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:15,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:15,562 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:15,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:15,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:15,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:15,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:15,565 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:15,565 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:47:15,566 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:47:15,566 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:47:15,566 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:15,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:15,567 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:15,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:15,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:15,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:15,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:15,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:15,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:15,571 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:15,572 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:47:15,572 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:47:15,572 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:15,572 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:15,572 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:15,573 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:15,574 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:47:15,574 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:15,574 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_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 280b49e79c262e96fafa88ef875ee20b5e3b800a0199f38613b2668cbb928bf3 [2023-11-19 07:47:15,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:16,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:16,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:16,033 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:16,034 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:16,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-54.i [2023-11-19 07:47:19,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:19,592 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:19,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-54.i [2023-11-19 07:47:19,606 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/data/10901ba2c/b9c79e07a5c6456eb80301d49ecbf636/FLAG5f76dbbed [2023-11-19 07:47:19,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/data/10901ba2c/b9c79e07a5c6456eb80301d49ecbf636 [2023-11-19 07:47:19,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:19,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:19,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:19,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:19,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:19,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:19" (1/1) ... [2023-11-19 07:47:19,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c4dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:19, skipping insertion in model container [2023-11-19 07:47:19,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:19" (1/1) ... [2023-11-19 07:47:19,692 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:19,945 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_14efdc78-6227-4697-b604-77188360da9b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-54.i[919,932] [2023-11-19 07:47:20,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:20,111 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:20,130 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_14efdc78-6227-4697-b604-77188360da9b/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-54.i[919,932] [2023-11-19 07:47:20,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:20,231 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:20,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20 WrapperNode [2023-11-19 07:47:20,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:20,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:20,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:20,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:20,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20" (1/1) ... [2023-11-19 07:47:20,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20" (1/1) ... [2023-11-19 07:47:20,323 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2023-11-19 07:47:20,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:20,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:20,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:20,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:20,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20" (1/1) ... [2023-11-19 07:47:20,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20" (1/1) ... [2023-11-19 07:47:20,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20" (1/1) ... [2023-11-19 07:47:20,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20" (1/1) ... [2023-11-19 07:47:20,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20" (1/1) ... [2023-11-19 07:47:20,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20" (1/1) ... [2023-11-19 07:47:20,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20" (1/1) ... [2023-11-19 07:47:20,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20" (1/1) ... [2023-11-19 07:47:20,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:20,416 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:20,417 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:20,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:20,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20" (1/1) ... [2023-11-19 07:47:20,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:20,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:20,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:20,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:47:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:20,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:20,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:20,694 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:20,697 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:24,564 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:24,573 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:24,573 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:47:24,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:24 BoogieIcfgContainer [2023-11-19 07:47:24,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:24,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:24,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:24,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:24,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:19" (1/3) ... [2023-11-19 07:47:24,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbfaad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:24, skipping insertion in model container [2023-11-19 07:47:24,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:20" (2/3) ... [2023-11-19 07:47:24,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbfaad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:24, skipping insertion in model container [2023-11-19 07:47:24,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:24" (3/3) ... [2023-11-19 07:47:24,587 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-54.i [2023-11-19 07:47:24,607 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:24,607 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:24,652 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:24,657 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@17c66785, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:24,658 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:24,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-19 07:47:24,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 07:47:24,675 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:24,675 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:24,676 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:24,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:24,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1477697952, now seen corresponding path program 1 times [2023-11-19 07:47:24,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:24,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341938406] [2023-11-19 07:47:24,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:24,693 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 [2023-11-19 07:47:24,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:24,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:24,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:25,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:47:25,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-11-19 07:47:25,208 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:25,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:25,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341938406] [2023-11-19 07:47:25,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341938406] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:25,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:25,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:25,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328954104] [2023-11-19 07:47:25,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:25,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:25,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:25,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:25,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:25,249 INFO L87 Difference]: Start difference. First operand has 61 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-19 07:47:25,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:25,280 INFO L93 Difference]: Finished difference Result 115 states and 199 transitions. [2023-11-19 07:47:25,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:25,282 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 133 [2023-11-19 07:47:25,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:25,290 INFO L225 Difference]: With dead ends: 115 [2023-11-19 07:47:25,290 INFO L226 Difference]: Without dead ends: 57 [2023-11-19 07:47:25,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:25,297 INFO L413 NwaCegarLoop]: 84 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, 84 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 [2023-11-19 07:47:25,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:25,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-19 07:47:25,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-19 07:47:25,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-19 07:47:25,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2023-11-19 07:47:25,346 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 133 [2023-11-19 07:47:25,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:25,347 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2023-11-19 07:47:25,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-19 07:47:25,347 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2023-11-19 07:47:25,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 07:47:25,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:25,351 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:25,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:25,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:25,561 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:25,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:25,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1677431324, now seen corresponding path program 1 times [2023-11-19 07:47:25,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:25,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [497184346] [2023-11-19 07:47:25,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:25,563 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 [2023-11-19 07:47:25,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:25,564 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:25,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:25,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:47:25,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:26,966 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-19 07:47:26,966 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:26,967 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:26,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [497184346] [2023-11-19 07:47:26,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [497184346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:26,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:26,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:26,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210951539] [2023-11-19 07:47:26,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:26,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:47:26,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:26,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:26,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:26,974 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-19 07:47:29,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:31,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:33,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:33,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:33,617 INFO L93 Difference]: Finished difference Result 166 states and 247 transitions. [2023-11-19 07:47:33,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:47:33,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 133 [2023-11-19 07:47:33,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:33,653 INFO L225 Difference]: With dead ends: 166 [2023-11-19 07:47:33,655 INFO L226 Difference]: Without dead ends: 112 [2023-11-19 07:47:33,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:33,659 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 52 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 43 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:33,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 235 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2023-11-19 07:47:33,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-19 07:47:33,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 98. [2023-11-19 07:47:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 53 states have (on average 1.150943396226415) internal successors, (61), 53 states have internal predecessors, (61), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-19 07:47:33,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 145 transitions. [2023-11-19 07:47:33,709 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 145 transitions. Word has length 133 [2023-11-19 07:47:33,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:33,710 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 145 transitions. [2023-11-19 07:47:33,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-19 07:47:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 145 transitions. [2023-11-19 07:47:33,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 07:47:33,714 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:33,715 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:33,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:33,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:33,927 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:33,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:33,928 INFO L85 PathProgramCache]: Analyzing trace with hash -685244554, now seen corresponding path program 1 times [2023-11-19 07:47:33,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:33,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213564320] [2023-11-19 07:47:33,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:33,929 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 [2023-11-19 07:47:33,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:33,935 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:33,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14efdc78-6227-4697-b604-77188360da9b/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:34,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 07:47:34,515 INFO L285 TraceCheckSpWp]: Computing forward predicates...