./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-12.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_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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_ec3afd90-f177-4297-865e-adc3acea5b2d/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 1a01506d0677bfd1062664a37b7cb68abb51f58e5ffa483605dc92245a0163c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:20,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:20,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:48:20,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:20,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:20,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:20,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:20,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:20,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:20,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:20,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:20,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:20,342 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:20,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:20,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:20,344 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:48:20,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:48:20,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:48:20,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:20,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:20,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:20,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:20,349 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:48:20,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:20,358 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:20,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:20,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:20,359 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:20,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:20,360 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:20,360 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:20,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:20,361 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:48:20,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:48:20,362 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:20,362 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:20,363 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:20,363 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:20,363 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:20,363 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_ec3afd90-f177-4297-865e-adc3acea5b2d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a01506d0677bfd1062664a37b7cb68abb51f58e5ffa483605dc92245a0163c0 [2023-11-19 07:48:20,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:20,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:20,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:20,809 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:20,810 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:20,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-12.i [2023-11-19 07:48:24,252 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:24,478 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:24,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-12.i [2023-11-19 07:48:24,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/data/ef4d657c5/db0bd84041f541e08679f35dc10957a6/FLAG04d66ae45 [2023-11-19 07:48:24,505 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/data/ef4d657c5/db0bd84041f541e08679f35dc10957a6 [2023-11-19 07:48:24,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:24,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:24,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:24,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:24,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:24,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:24,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19bd34cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24, skipping insertion in model container [2023-11-19 07:48:24,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:24,554 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:24,711 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_ec3afd90-f177-4297-865e-adc3acea5b2d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-12.i[919,932] [2023-11-19 07:48:24,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:24,794 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:24,807 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_ec3afd90-f177-4297-865e-adc3acea5b2d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-12.i[919,932] [2023-11-19 07:48:24,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:24,893 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:24,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24 WrapperNode [2023-11-19 07:48:24,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:24,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:24,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:24,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:24,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:24,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:24,997 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2023-11-19 07:48:24,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:24,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:24,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:24,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:25,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:25,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:25,014 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:25,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:25,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:25,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:25,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:25,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:25,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:25,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:25,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:25,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:25,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24" (1/1) ... [2023-11-19 07:48:25,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:25,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:25,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:25,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:48:25,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:48:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:48:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:25,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:25,369 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:25,372 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:25,819 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:25,837 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:25,841 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:48:25,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:25 BoogieIcfgContainer [2023-11-19 07:48:25,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:25,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:25,855 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:25,860 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:25,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:24" (1/3) ... [2023-11-19 07:48:25,861 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc8d39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:25, skipping insertion in model container [2023-11-19 07:48:25,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:24" (2/3) ... [2023-11-19 07:48:25,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fc8d39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:25, skipping insertion in model container [2023-11-19 07:48:25,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:25" (3/3) ... [2023-11-19 07:48:25,864 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-12.i [2023-11-19 07:48:25,885 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:25,886 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:48:25,945 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:48:25,953 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;@6fbd9656, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:48:25,953 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:48:25,957 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 07:48:25,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 07:48:25,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:25,974 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:25,974 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:25,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:25,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1534852703, now seen corresponding path program 1 times [2023-11-19 07:48:25,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:25,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848100275] [2023-11-19 07:48:25,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:25,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:26,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:26,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848100275] [2023-11-19 07:48:26,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:48:26,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115512405] [2023-11-19 07:48:26,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:26,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:26,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:26,303 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:26,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:48:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:26,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:48:26,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-11-19 07:48:26,591 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:26,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115512405] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:26,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:26,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:26,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305161350] [2023-11-19 07:48:26,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:26,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:48:26,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:26,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:48:26,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:48:26,653 INFO L87 Difference]: Start difference. First operand has 65 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 07:48:26,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:26,723 INFO L93 Difference]: Finished difference Result 123 states and 215 transitions. [2023-11-19 07:48:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:48:26,725 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2023-11-19 07:48:26,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:26,734 INFO L225 Difference]: With dead ends: 123 [2023-11-19 07:48:26,737 INFO L226 Difference]: Without dead ends: 61 [2023-11-19 07:48:26,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 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 07:48:26,760 INFO L413 NwaCegarLoop]: 92 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, 92 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 07:48:26,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:26,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-19 07:48:26,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-19 07:48:26,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 07:48:26,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 92 transitions. [2023-11-19 07:48:26,814 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 92 transitions. Word has length 144 [2023-11-19 07:48:26,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:26,815 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 92 transitions. [2023-11-19 07:48:26,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 07:48:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2023-11-19 07:48:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 07:48:26,820 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:26,820 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:26,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:27,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:27,043 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:27,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:27,044 INFO L85 PathProgramCache]: Analyzing trace with hash -333076253, now seen corresponding path program 1 times [2023-11-19 07:48:27,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:27,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636829965] [2023-11-19 07:48:27,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:27,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:27,176 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:48:27,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1346805857] [2023-11-19 07:48:27,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:27,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:27,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:27,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:27,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:48:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:27,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:48:27,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:28,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 07:48:28,483 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:28,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:28,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636829965] [2023-11-19 07:48:28,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:48:28,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346805857] [2023-11-19 07:48:28,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346805857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:28,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:28,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:48:28,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196059375] [2023-11-19 07:48:28,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:28,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:48:28,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:28,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:48:28,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:28,498 INFO L87 Difference]: Start difference. First operand 61 states and 92 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 07:48:28,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:28,738 INFO L93 Difference]: Finished difference Result 178 states and 271 transitions. [2023-11-19 07:48:28,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:48:28,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 144 [2023-11-19 07:48:28,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:28,745 INFO L225 Difference]: With dead ends: 178 [2023-11-19 07:48:28,745 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 07:48:28,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 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 07:48:28,751 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 45 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:28,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 248 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:48:28,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 07:48:28,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 104. [2023-11-19 07:48:28,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 55 states have (on average 1.1818181818181819) internal successors, (65), 55 states have internal predecessors, (65), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-19 07:48:28,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 157 transitions. [2023-11-19 07:48:28,809 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 157 transitions. Word has length 144 [2023-11-19 07:48:28,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:28,812 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 157 transitions. [2023-11-19 07:48:28,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 07:48:28,813 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 157 transitions. [2023-11-19 07:48:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 07:48:28,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:28,823 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:28,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:29,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-19 07:48:29,037 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:29,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:29,037 INFO L85 PathProgramCache]: Analyzing trace with hash 129727065, now seen corresponding path program 1 times [2023-11-19 07:48:29,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:29,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077745967] [2023-11-19 07:48:29,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:29,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:29,119 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:48:29,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2066057332] [2023-11-19 07:48:29,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:29,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:29,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:29,127 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:29,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:48:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:29,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:29,878 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:29,883 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:48:29,884 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:48:29,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-19 07:48:30,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:30,104 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:48:30,108 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:48:30,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:48:30 BoogieIcfgContainer [2023-11-19 07:48:30,268 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:48:30,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:48:30,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:48:30,269 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:48:30,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:25" (3/4) ... [2023-11-19 07:48:30,271 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:48:30,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:48:30,273 INFO L158 Benchmark]: Toolchain (without parser) took 5763.39ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 88.7MB in the beginning and 115.2MB in the end (delta: -26.5MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:30,274 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 74.8MB in the beginning and 74.7MB in the end (delta: 91.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:30,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.95ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 74.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:48:30,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.34ms. Allocated memory is still 127.9MB. Free memory was 74.6MB in the beginning and 70.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:48:30,275 INFO L158 Benchmark]: Boogie Preprocessor took 62.56ms. Allocated memory is still 127.9MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:30,276 INFO L158 Benchmark]: RCFGBuilder took 787.87ms. Allocated memory is still 127.9MB. Free memory was 68.8MB in the beginning and 79.4MB in the end (delta: -10.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:48:30,276 INFO L158 Benchmark]: TraceAbstraction took 4415.21ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 78.7MB in the beginning and 116.3MB in the end (delta: -37.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-11-19 07:48:30,277 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 174.1MB. Free memory was 116.3MB in the beginning and 115.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:30,283 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 74.8MB in the beginning and 74.7MB in the end (delta: 91.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.95ms. Allocated memory is still 127.9MB. Free memory was 88.7MB in the beginning and 74.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.34ms. Allocated memory is still 127.9MB. Free memory was 74.6MB in the beginning and 70.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.56ms. Allocated memory is still 127.9MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 787.87ms. Allocated memory is still 127.9MB. Free memory was 68.8MB in the beginning and 79.4MB in the end (delta: -10.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4415.21ms. Allocated memory was 127.9MB in the beginning and 174.1MB in the end (delta: 46.1MB). Free memory was 78.7MB in the beginning and 116.3MB in the end (delta: -37.6MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 174.1MB. Free memory was 116.3MB in the beginning and 115.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 128, overapproximation of someUnaryDOUBLEoperation at line 35, overapproximation of someBinaryArithmeticDOUBLEoperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 128. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_5 = 128; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 0; [L26] signed long int var_1_8 = 128; [L27] signed long int var_1_9 = 1967984875; [L28] float var_1_10 = 256.625; [L29] float var_1_11 = 24.5; [L30] float var_1_12 = 999999.25; [L31] unsigned char var_1_13 = 1; [L32] unsigned char var_1_14 = 0; [L33] double var_1_15 = 127.3; [L34] float var_1_16 = 15.8; [L35] double var_1_17 = -0.4; [L36] unsigned long int var_1_18 = 8; [L37] unsigned long int var_1_19 = 2366774301; [L38] unsigned char var_1_20 = 0; [L39] signed short int var_1_21 = 5; [L40] signed char var_1_22 = 0; [L41] signed char var_1_23 = 2; [L42] unsigned char last_1_var_1_1 = 5; [L43] unsigned long int last_1_var_1_18 = 8; [L44] signed char last_1_var_1_22 = 0; VAL [isInitial=0, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=128, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L132] isInitial = 1 [L133] FCALL initially() [L134] COND TRUE 1 [L135] CALL updateLastVariables() [L123] last_1_var_1_1 = var_1_1 [L124] last_1_var_1_18 = var_1_18 [L125] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=128, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L135] RET updateLastVariables() [L136] CALL updateVariables() [L85] var_1_5 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L86] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L87] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L87] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L88] var_1_6 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L89] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L90] CALL assume_abort_if_not(var_1_6 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L90] RET assume_abort_if_not(var_1_6 <= 64) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L91] var_1_7 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L92] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L93] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L93] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L94] var_1_9 = __VERIFIER_nondet_long() [L95] CALL assume_abort_if_not(var_1_9 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L95] RET assume_abort_if_not(var_1_9 >= 1073741822) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L96] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L96] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L97] var_1_11 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L98] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L99] var_1_12 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L100] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L101] var_1_13 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L102] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L103] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L103] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L104] var_1_14 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L105] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L106] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L106] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L107] var_1_16 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && 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_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L108] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && 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_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L109] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L109] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L110] var_1_17 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L111] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L112] var_1_19 = __VERIFIER_nondet_ulong() [L113] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L113] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L114] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L114] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L115] var_1_20 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L116] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L117] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L117] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L118] var_1_23 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_23 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L119] RET assume_abort_if_not(var_1_23 >= -63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L120] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L120] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L136] RET updateVariables() [L137] CALL step() [L48] COND FALSE !(last_1_var_1_1 > last_1_var_1_18) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L51] COND TRUE var_1_20 || (var_1_9 >= last_1_var_1_22) [L52] var_1_18 = var_1_6 VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=1, var_1_19=2147483647, var_1_1=5, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L57] COND TRUE last_1_var_1_1 > (var_1_18 * var_1_18) [L58] var_1_1 = (var_1_5 - (var_1_6 + var_1_7)) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=1, var_1_19=2147483647, var_1_1=63, var_1_20=1, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L62] var_1_21 = ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=1, var_1_19=2147483647, var_1_1=63, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=128, var_1_9=1073741822] [L63] COND TRUE (- var_1_18) > var_1_6 [L64] var_1_8 = ((var_1_9 - var_1_21) - var_1_5) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=1, var_1_19=2147483647, var_1_1=63, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=1073741632, var_1_9=1073741822] [L66] COND FALSE !(var_1_18 == var_1_8) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=1, var_1_19=2147483647, var_1_1=63, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=1073741632, var_1_9=1073741822] [L73] COND TRUE var_1_8 != ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))) [L74] var_1_10 = ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=5, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=1, var_1_19=2147483647, var_1_1=63, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=1073741632, var_1_9=1073741822] [L80] COND TRUE (var_1_12 / var_1_16) >= var_1_10 [L81] var_1_15 = (var_1_17 + 255.5) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=5, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_16=3, var_1_17=4, var_1_18=1, var_1_19=2147483647, var_1_1=63, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=1073741632, var_1_9=1073741822] [L137] RET step() [L138] CALL, EXPR property() [L128-L129] return (((((((last_1_var_1_1 > (var_1_18 * var_1_18)) ? (var_1_1 == ((unsigned char) (var_1_5 - (var_1_6 + var_1_7)))) : (var_1_1 == ((unsigned char) ((((var_1_7) < ((((((16) < 0 ) ? -(16) : (16))) + var_1_6))) ? (var_1_7) : ((((((16) < 0 ) ? -(16) : (16))) + var_1_6))))))) && (((- var_1_18) > var_1_6) ? (var_1_8 == ((signed long int) ((var_1_9 - var_1_21) - var_1_5))) : 1)) && ((var_1_8 != ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5)))) ? (var_1_10 == ((float) ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))))) : ((var_1_13 || var_1_14) ? (var_1_10 == ((float) var_1_11)) : 1))) && (((var_1_12 / var_1_16) >= var_1_10) ? (var_1_15 == ((double) (var_1_17 + 255.5))) : 1)) && ((last_1_var_1_1 > last_1_var_1_18) ? (var_1_18 == ((unsigned long int) ((((var_1_9) < ((var_1_19 - var_1_6))) ? (var_1_9) : ((var_1_19 - var_1_6)))))) : ((var_1_20 || (var_1_9 >= last_1_var_1_22)) ? (var_1_18 == ((unsigned long int) var_1_6)) : (var_1_18 == ((unsigned long int) var_1_7))))) && (var_1_21 == ((signed short int) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))))) && ((var_1_18 == var_1_8) ? ((! var_1_20) ? (var_1_22 == ((signed char) ((((var_1_6) > ((5 - var_1_7))) ? (var_1_6) : ((5 - var_1_7)))))) : (var_1_22 == ((signed char) (var_1_7 + var_1_23)))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=5, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_16=3, var_1_17=4, var_1_18=1, var_1_19=2147483647, var_1_1=63, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=1073741632, var_1_9=1073741822] [L138] RET, EXPR property() [L138] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=5, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_16=3, var_1_17=4, var_1_18=1, var_1_19=2147483647, var_1_1=63, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=1073741632, var_1_9=1073741822] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=5, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_16=3, var_1_17=4, var_1_18=1, var_1_19=2147483647, var_1_1=63, var_1_20=1, var_1_21=63, var_1_22=0, var_1_23=-63, var_1_5=127, var_1_6=1, var_1_7=63, var_1_8=1073741632, var_1_9=1073741822] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 161 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 179 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 287 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred 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, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 577 NumberOfCodeBlocks, 577 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 1084 SizeOfPredicates, 2 NumberOfNonLiveVariables, 684 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2024/2024 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 07:48:30,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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_ec3afd90-f177-4297-865e-adc3acea5b2d/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 1a01506d0677bfd1062664a37b7cb68abb51f58e5ffa483605dc92245a0163c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:33,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:33,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:48:33,192 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:33,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:33,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:33,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:33,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:33,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:33,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:33,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:33,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:33,250 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:33,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:33,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:33,253 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:48:33,254 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:48:33,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:33,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:33,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:33,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:33,257 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:48:33,258 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:48:33,258 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:48:33,258 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:48:33,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:33,260 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:33,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:33,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:33,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:33,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:33,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:33,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:33,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:33,264 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:48:33,265 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:48:33,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:33,265 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:33,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:33,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:33,267 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:48:33,267 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:33,268 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_ec3afd90-f177-4297-865e-adc3acea5b2d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a01506d0677bfd1062664a37b7cb68abb51f58e5ffa483605dc92245a0163c0 [2023-11-19 07:48:33,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:33,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:33,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:33,728 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:33,728 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:33,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-12.i [2023-11-19 07:48:37,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:37,449 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:37,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-12.i [2023-11-19 07:48:37,469 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/data/3314de4bc/9b3b3845da1543c593685071d781c250/FLAGf9c520a0e [2023-11-19 07:48:37,487 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/data/3314de4bc/9b3b3845da1543c593685071d781c250 [2023-11-19 07:48:37,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:37,492 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:37,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:37,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:37,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:37,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:37" (1/1) ... [2023-11-19 07:48:37,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e77ba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:37, skipping insertion in model container [2023-11-19 07:48:37,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:37" (1/1) ... [2023-11-19 07:48:37,560 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:37,765 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_ec3afd90-f177-4297-865e-adc3acea5b2d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-12.i[919,932] [2023-11-19 07:48:37,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:37,896 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:37,918 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_ec3afd90-f177-4297-865e-adc3acea5b2d/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-12.i[919,932] [2023-11-19 07:48:37,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:38,001 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:38,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38 WrapperNode [2023-11-19 07:48:38,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:38,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:38,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:38,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:38,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38" (1/1) ... [2023-11-19 07:48:38,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38" (1/1) ... [2023-11-19 07:48:38,083 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-19 07:48:38,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:38,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:38,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:38,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:38,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38" (1/1) ... [2023-11-19 07:48:38,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38" (1/1) ... [2023-11-19 07:48:38,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38" (1/1) ... [2023-11-19 07:48:38,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38" (1/1) ... [2023-11-19 07:48:38,114 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38" (1/1) ... [2023-11-19 07:48:38,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38" (1/1) ... [2023-11-19 07:48:38,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38" (1/1) ... [2023-11-19 07:48:38,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38" (1/1) ... [2023-11-19 07:48:38,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:38,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:38,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:38,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:38,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38" (1/1) ... [2023-11-19 07:48:38,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:38,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:38,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:38,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:38,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:48:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:48:38,240 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:48:38,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:38,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:38,389 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:38,391 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:42,293 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:42,302 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:42,302 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:48:42,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:42 BoogieIcfgContainer [2023-11-19 07:48:42,307 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:42,309 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:42,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:42,312 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:42,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:37" (1/3) ... [2023-11-19 07:48:42,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62664404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:42, skipping insertion in model container [2023-11-19 07:48:42,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:38" (2/3) ... [2023-11-19 07:48:42,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62664404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:42, skipping insertion in model container [2023-11-19 07:48:42,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:42" (3/3) ... [2023-11-19 07:48:42,316 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-12.i [2023-11-19 07:48:42,336 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:42,336 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:48:42,387 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:48:42,395 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;@4a64dd87, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:48:42,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:48:42,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 07:48:42,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 07:48:42,416 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:42,417 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:42,418 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:42,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:42,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1534852703, now seen corresponding path program 1 times [2023-11-19 07:48:42,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:42,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310782705] [2023-11-19 07:48:42,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:42,440 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 07:48:42,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:42,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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 07:48:42,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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 07:48:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:43,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:48:43,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-19 07:48:43,176 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:43,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:43,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310782705] [2023-11-19 07:48:43,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310782705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:43,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:43,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:43,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678777341] [2023-11-19 07:48:43,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:43,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:48:43,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:43,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:48:43,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:48:43,245 INFO L87 Difference]: Start difference. First operand has 65 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 07:48:43,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:43,285 INFO L93 Difference]: Finished difference Result 123 states and 215 transitions. [2023-11-19 07:48:43,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:48:43,288 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2023-11-19 07:48:43,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:43,302 INFO L225 Difference]: With dead ends: 123 [2023-11-19 07:48:43,302 INFO L226 Difference]: Without dead ends: 61 [2023-11-19 07:48:43,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 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 07:48:43,314 INFO L413 NwaCegarLoop]: 92 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, 92 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 07:48:43,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:43,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-19 07:48:43,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-19 07:48:43,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 07:48:43,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 92 transitions. [2023-11-19 07:48:43,367 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 92 transitions. Word has length 144 [2023-11-19 07:48:43,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:43,367 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 92 transitions. [2023-11-19 07:48:43,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 07:48:43,368 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2023-11-19 07:48:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-19 07:48:43,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:43,372 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:43,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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)] Ended with exit code 0 [2023-11-19 07:48:43,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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 07:48:43,573 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:43,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:43,574 INFO L85 PathProgramCache]: Analyzing trace with hash -333076253, now seen corresponding path program 1 times [2023-11-19 07:48:43,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:43,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778800270] [2023-11-19 07:48:43,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:43,577 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 07:48:43,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:43,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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 07:48:43,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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 07:48:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:44,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:48:44,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:46,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 07:48:46,520 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:46,520 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:46,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778800270] [2023-11-19 07:48:46,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778800270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:46,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:46,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:48:46,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936015032] [2023-11-19 07:48:46,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:46,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:48:46,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:46,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:48:46,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:48:46,526 INFO L87 Difference]: Start difference. First operand 61 states and 92 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 07:48:48,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:48:50,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:48:50,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:50,409 INFO L93 Difference]: Finished difference Result 178 states and 271 transitions. [2023-11-19 07:48:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:48:50,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 144 [2023-11-19 07:48:50,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:50,441 INFO L225 Difference]: With dead ends: 178 [2023-11-19 07:48:50,441 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 07:48:50,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 141 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 07:48:50,444 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 45 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 47 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:50,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 248 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 21 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2023-11-19 07:48:50,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 07:48:50,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 104. [2023-11-19 07:48:50,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 55 states have (on average 1.1818181818181819) internal successors, (65), 55 states have internal predecessors, (65), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-19 07:48:50,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 157 transitions. [2023-11-19 07:48:50,485 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 157 transitions. Word has length 144 [2023-11-19 07:48:50,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:50,486 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 157 transitions. [2023-11-19 07:48:50,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 07:48:50,487 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 157 transitions. [2023-11-19 07:48:50,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-19 07:48:50,490 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:50,490 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:48:50,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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 07:48:50,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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 07:48:50,709 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:50,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:50,710 INFO L85 PathProgramCache]: Analyzing trace with hash 129727065, now seen corresponding path program 1 times [2023-11-19 07:48:50,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:50,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603583732] [2023-11-19 07:48:50,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:50,712 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 07:48:50,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:50,714 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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 07:48:50,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec3afd90-f177-4297-865e-adc3acea5b2d/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 07:48:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:51,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 07:48:51,435 INFO L285 TraceCheckSpWp]: Computing forward predicates...