./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl --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 88c8c44b1b28036571c76e8aef19341d15502335b9d8765faffaa5e0dad5ad9d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:32:26,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:32:26,214 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:32:26,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:32:26,220 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:32:26,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:32:26,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:32:26,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:32:26,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:32:26,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:32:26,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:32:26,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:32:26,250 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:32:26,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:32:26,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:32:26,252 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:32:26,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:32:26,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:32:26,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:32:26,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:32:26,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:32:26,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:32:26,256 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:32:26,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:32:26,257 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:32:26,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:32:26,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:32:26,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:32:26,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:26,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:32:26,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:32:26,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:32:26,260 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:32:26,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:32:26,261 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:32:26,261 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:32:26,262 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:32:26,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:32:26,277 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:32:26,277 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_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88c8c44b1b28036571c76e8aef19341d15502335b9d8765faffaa5e0dad5ad9d [2023-11-12 02:32:26,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:32:26,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:32:26,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:32:26,664 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:32:26,665 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:32:26,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-41.i [2023-11-12 02:32:29,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:32:30,092 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:32:30,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-41.i [2023-11-12 02:32:30,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/data/9a1a10eaf/0bb98495668047aaad756d2f241d4abc/FLAG136d6a1fb [2023-11-12 02:32:30,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/data/9a1a10eaf/0bb98495668047aaad756d2f241d4abc [2023-11-12 02:32:30,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:32:30,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:32:30,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:30,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:32:30,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:32:30,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4822de44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30, skipping insertion in model container [2023-11-12 02:32:30,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:32:30,394 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_cf599616-32c7-49b2-83ff-41d7eb1ce582/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-41.i[913,926] [2023-11-12 02:32:30,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:30,478 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:32:30,493 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_cf599616-32c7-49b2-83ff-41d7eb1ce582/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-41.i[913,926] [2023-11-12 02:32:30,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:30,601 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:32:30,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30 WrapperNode [2023-11-12 02:32:30,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:30,604 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:30,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:32:30,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:32:30,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,707 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2023-11-12 02:32:30,708 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:30,709 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:32:30,709 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:32:30,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:32:30,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:32:30,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:32:30,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:32:30,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:32:30,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30" (1/1) ... [2023-11-12 02:32:30,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:30,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:30,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:32:30,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:32:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:32:30,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:32:30,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:32:30,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:32:30,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:32:30,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:32:31,039 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:32:31,042 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:32:31,654 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:32:31,668 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:32:31,668 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:32:31,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:31 BoogieIcfgContainer [2023-11-12 02:32:31,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:32:31,678 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:32:31,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:32:31,683 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:32:31,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:32:30" (1/3) ... [2023-11-12 02:32:31,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c318c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:31, skipping insertion in model container [2023-11-12 02:32:31,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:30" (2/3) ... [2023-11-12 02:32:31,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c318c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:31, skipping insertion in model container [2023-11-12 02:32:31,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:31" (3/3) ... [2023-11-12 02:32:31,687 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-41.i [2023-11-12 02:32:31,711 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:32:31,712 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:32:31,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:32:31,802 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;@71f2fcf7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:32:31,803 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:32:31,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:32:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-12 02:32:31,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:31,864 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:31,865 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:31,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:31,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1615499508, now seen corresponding path program 1 times [2023-11-12 02:32:31,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:31,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116866057] [2023-11-12 02:32:31,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:31,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:32,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:32,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116866057] [2023-11-12 02:32:32,143 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:32:32,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783711310] [2023-11-12 02:32:32,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:32,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:32,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:32,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:32,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:32:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:32,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:32:32,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1152 trivial. 0 not checked. [2023-11-12 02:32:32,493 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:32:32,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783711310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:32,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:32,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:32,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028288011] [2023-11-12 02:32:32,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:32,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:32:32,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:32,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:32:32,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:32:32,542 INFO L87 Difference]: Start difference. First operand has 69 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 02:32:32,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:32,582 INFO L93 Difference]: Finished difference Result 131 states and 231 transitions. [2023-11-12 02:32:32,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:32:32,593 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 156 [2023-11-12 02:32:32,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:32,604 INFO L225 Difference]: With dead ends: 131 [2023-11-12 02:32:32,604 INFO L226 Difference]: Without dead ends: 65 [2023-11-12 02:32:32,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:32:32,613 INFO L413 NwaCegarLoop]: 99 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, 99 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 [2023-11-12 02:32:32,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:32,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-12 02:32:32,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-12 02:32:32,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:32:32,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 99 transitions. [2023-11-12 02:32:32,668 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 99 transitions. Word has length 156 [2023-11-12 02:32:32,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:32,668 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 99 transitions. [2023-11-12 02:32:32,669 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, (25), 2 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 02:32:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2023-11-12 02:32:32,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-12 02:32:32,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:32,674 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:32,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 02:32:32,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:32:32,881 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:32,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:32,882 INFO L85 PathProgramCache]: Analyzing trace with hash 406198986, now seen corresponding path program 1 times [2023-11-12 02:32:32,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:32,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772414344] [2023-11-12 02:32:32,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:32,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:33,003 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:32:33,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881742985] [2023-11-12 02:32:33,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:33,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:33,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:33,015 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:33,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:32:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:33,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-12 02:32:33,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:34,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 532 proven. 33 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2023-11-12 02:32:34,806 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:32:38,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:38,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772414344] [2023-11-12 02:32:38,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:32:38,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881742985] [2023-11-12 02:32:38,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881742985] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:32:38,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:32:38,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2023-11-12 02:32:38,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505670537] [2023-11-12 02:32:38,374 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-12 02:32:38,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-12 02:32:38,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:38,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-12 02:32:38,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=297, Unknown=1, NotChecked=0, Total=420 [2023-11-12 02:32:38,383 INFO L87 Difference]: Start difference. First operand 65 states and 99 transitions. Second operand has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 15 states have internal predecessors, (52), 5 states have call successors, (25), 5 states have call predecessors, (25), 7 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2023-11-12 02:32:40,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:40,050 INFO L93 Difference]: Finished difference Result 276 states and 392 transitions. [2023-11-12 02:32:40,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-12 02:32:40,054 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 15 states have internal predecessors, (52), 5 states have call successors, (25), 5 states have call predecessors, (25), 7 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) Word has length 156 [2023-11-12 02:32:40,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:40,059 INFO L225 Difference]: With dead ends: 276 [2023-11-12 02:32:40,060 INFO L226 Difference]: Without dead ends: 214 [2023-11-12 02:32:40,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=482, Invalid=1157, Unknown=1, NotChecked=0, Total=1640 [2023-11-12 02:32:40,064 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 195 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:40,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 502 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 02:32:40,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-11-12 02:32:40,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 191. [2023-11-12 02:32:40,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 115 states have internal predecessors, (136), 68 states have call successors, (68), 9 states have call predecessors, (68), 9 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-12 02:32:40,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 272 transitions. [2023-11-12 02:32:40,139 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 272 transitions. Word has length 156 [2023-11-12 02:32:40,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:40,141 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 272 transitions. [2023-11-12 02:32:40,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 15 states have internal predecessors, (52), 5 states have call successors, (25), 5 states have call predecessors, (25), 7 states have return successors, (25), 5 states have call predecessors, (25), 5 states have call successors, (25) [2023-11-12 02:32:40,144 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 272 transitions. [2023-11-12 02:32:40,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-12 02:32:40,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:40,155 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:40,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:40,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:40,363 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:40,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:40,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1215545612, now seen corresponding path program 1 times [2023-11-12 02:32:40,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:40,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410239650] [2023-11-12 02:32:40,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:40,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:40,432 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:32:40,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2093554113] [2023-11-12 02:32:40,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:40,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:40,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:40,435 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:40,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:32:40,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:40,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-12 02:32:40,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:32:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 468 proven. 24 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2023-11-12 02:32:41,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:32:43,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:43,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410239650] [2023-11-12 02:32:43,721 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:32:43,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093554113] [2023-11-12 02:32:43,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093554113] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:32:43,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:32:43,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-11-12 02:32:43,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880259456] [2023-11-12 02:32:43,722 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-12 02:32:43,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-12 02:32:43,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:43,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-12 02:32:43,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2023-11-12 02:32:43,725 INFO L87 Difference]: Start difference. First operand 191 states and 272 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-12 02:32:45,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:45,077 INFO L93 Difference]: Finished difference Result 375 states and 525 transitions. [2023-11-12 02:32:45,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-11-12 02:32:45,079 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 156 [2023-11-12 02:32:45,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:45,086 INFO L225 Difference]: With dead ends: 375 [2023-11-12 02:32:45,086 INFO L226 Difference]: Without dead ends: 313 [2023-11-12 02:32:45,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=347, Invalid=709, Unknown=0, NotChecked=0, Total=1056 [2023-11-12 02:32:45,089 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 205 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:45,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 398 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-12 02:32:45,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-11-12 02:32:45,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 289. [2023-11-12 02:32:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 169 states have (on average 1.1597633136094674) internal successors, (196), 173 states have internal predecessors, (196), 104 states have call successors, (104), 15 states have call predecessors, (104), 15 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2023-11-12 02:32:45,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 404 transitions. [2023-11-12 02:32:45,161 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 404 transitions. Word has length 156 [2023-11-12 02:32:45,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:45,162 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 404 transitions. [2023-11-12 02:32:45,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-12 02:32:45,163 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 404 transitions. [2023-11-12 02:32:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-12 02:32:45,165 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:45,166 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:45,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-12 02:32:45,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:45,378 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:32:45,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:45,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1423106293, now seen corresponding path program 1 times [2023-11-12 02:32:45,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:45,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314584545] [2023-11-12 02:32:45,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:45,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:45,452 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:32:45,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [719654603] [2023-11-12 02:32:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:45,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:45,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:45,469 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:32:45,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:32:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:32:46,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:32:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:32:46,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:32:46,724 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:32:46,725 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:32:46,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:32:46,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:32:46,940 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:32:46,945 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:32:47,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:32:47 BoogieIcfgContainer [2023-11-12 02:32:47,110 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:32:47,111 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:32:47,111 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:32:47,111 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:32:47,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:31" (3/4) ... [2023-11-12 02:32:47,114 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:32:47,115 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:32:47,116 INFO L158 Benchmark]: Toolchain (without parser) took 16973.22ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 101.2MB in the beginning and 113.4MB in the end (delta: -12.2MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-12 02:32:47,117 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:47,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.46ms. Allocated memory is still 146.8MB. Free memory was 101.2MB in the beginning and 87.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:32:47,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.62ms. Allocated memory is still 146.8MB. Free memory was 87.0MB in the beginning and 83.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:32:47,118 INFO L158 Benchmark]: Boogie Preprocessor took 84.56ms. Allocated memory is still 146.8MB. Free memory was 83.4MB in the beginning and 81.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:32:47,118 INFO L158 Benchmark]: RCFGBuilder took 879.56ms. Allocated memory is still 146.8MB. Free memory was 81.8MB in the beginning and 60.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 02:32:47,119 INFO L158 Benchmark]: TraceAbstraction took 15432.24ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 59.7MB in the beginning and 113.4MB in the end (delta: -53.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:47,119 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 182.5MB. Free memory is still 113.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:47,121 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 146.8MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 454.46ms. Allocated memory is still 146.8MB. Free memory was 101.2MB in the beginning and 87.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.62ms. Allocated memory is still 146.8MB. Free memory was 87.0MB in the beginning and 83.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.56ms. Allocated memory is still 146.8MB. Free memory was 83.4MB in the beginning and 81.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 879.56ms. Allocated memory is still 146.8MB. Free memory was 81.8MB in the beginning and 60.3MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 15432.24ms. Allocated memory was 146.8MB in the beginning and 182.5MB in the end (delta: 35.7MB). Free memory was 59.7MB in the beginning and 113.4MB in the end (delta: -53.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 182.5MB. Free memory is still 113.4MB. 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 132, overapproximation of someBinaryDOUBLEComparisonOperation at line 132. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] float var_1_2 = 100.25; [L24] unsigned char var_1_3 = 1; [L25] unsigned char var_1_4 = 1; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] double var_1_7 = 4.8; [L29] signed char var_1_8 = 64; [L30] unsigned short int var_1_9 = 4; [L31] unsigned short int var_1_10 = 0; [L32] signed char var_1_11 = -10; [L33] signed char var_1_12 = 64; [L34] float var_1_13 = 1.6; [L35] float var_1_14 = 3.5; [L36] unsigned char var_1_15 = 8; [L37] unsigned char var_1_16 = 4; [L38] unsigned short int var_1_17 = 2; [L39] unsigned short int var_1_18 = 10000; [L40] unsigned short int var_1_19 = 5; [L41] signed short int var_1_20 = 4; [L42] unsigned long int var_1_21 = 5; [L43] signed char var_1_22 = -32; [L44] unsigned long int var_1_23 = 0; VAL [isInitial=0, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_2=401/4, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L136] isInitial = 1 [L137] FCALL initially() [L138] COND TRUE 1 [L139] FCALL updateLastVariables() [L140] CALL updateVariables() [L89] var_1_2 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L90] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L91] var_1_3 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L92] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L93] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L93] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L94] var_1_4 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L95] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L96] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L96] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L97] var_1_5 = __VERIFIER_nondet_uchar() [L98] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L98] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L99] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L99] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=24/5, var_1_8=64, var_1_9=4] [L100] var_1_7 = __VERIFIER_nondet_double() [L101] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=4] [L101] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=4] [L102] var_1_9 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L103] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L104] CALL assume_abort_if_not(var_1_9 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L104] RET assume_abort_if_not(var_1_9 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L105] var_1_10 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L106] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=6, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L107] CALL assume_abort_if_not(var_1_10 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L107] RET assume_abort_if_not(var_1_10 <= 65535) VAL [isInitial=1, var_1_10=6, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L108] var_1_11 = __VERIFIER_nondet_char() [L109] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L109] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L110] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L110] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L111] var_1_12 = __VERIFIER_nondet_char() [L112] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L112] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L113] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L113] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L114] var_1_14 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L115] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L116] var_1_16 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L117] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L118] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L118] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=10000, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L119] var_1_18 = __VERIFIER_nondet_ushort() [L120] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L120] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L121] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L121] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=5, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L122] var_1_19 = __VERIFIER_nondet_ushort() [L123] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L123] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L124] CALL assume_abort_if_not(var_1_19 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L124] RET assume_abort_if_not(var_1_19 <= 16383) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=0, var_1_20=4, var_1_21=5, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L125] var_1_21 = __VERIFIER_nondet_ulong() [L126] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=0, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=0, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L126] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=0, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L127] CALL assume_abort_if_not(var_1_21 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=0, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=0, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L127] RET assume_abort_if_not(var_1_21 <= 4294967295) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=0, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L140] RET updateVariables() [L141] CALL step() [L48] COND TRUE (- var_1_2) > 31.9f [L49] var_1_1 = ((var_1_3 || var_1_4) && var_1_5) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=1, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L53] COND FALSE !((127.35 + var_1_2) <= var_1_7) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=1, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=64, var_1_9=7] [L58] COND TRUE var_1_9 > var_1_10 [L59] var_1_8 = ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=1, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=7] [L61] COND FALSE !((! var_1_5) || (var_1_12 < var_1_8)) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=1, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=7] [L68] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=2, var_1_18=16383, var_1_19=16382, var_1_1=1, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=7] [L71] COND TRUE var_1_3 || (var_1_9 < var_1_15) [L72] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_19)) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=32773, var_1_18=16383, var_1_19=16382, var_1_1=1, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=7] [L76] COND FALSE !(((var_1_17 / var_1_18) * var_1_19) < -10) VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=32773, var_1_18=16383, var_1_19=16382, var_1_1=1, var_1_20=4, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=7] [L79] COND FALSE !(! (var_1_21 <= var_1_10)) [L82] var_1_20 = var_1_12 VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=32773, var_1_18=16383, var_1_19=16382, var_1_1=1, var_1_20=0, var_1_21=6, var_1_22=-32, var_1_23=0, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=7] [L85] var_1_22 = 1 [L86] var_1_23 = var_1_15 VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=32773, var_1_18=16383, var_1_19=16382, var_1_1=1, var_1_20=0, var_1_21=6, var_1_22=1, var_1_23=8, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=7] [L141] RET step() [L142] CALL, EXPR property() [L132-L133] return ((((((((((- var_1_2) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_3 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_2) <= var_1_7) ? ((4.5 <= (var_1_7 * var_1_2)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_9 > var_1_10) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < var_1_8)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_3 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_3 || (var_1_9 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_19)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_17 / var_1_18) * var_1_19) < -10) ? (var_1_20 == ((signed short int) ((((var_1_19) > (var_1_16)) ? (var_1_19) : (var_1_16))))) : ((! (var_1_21 <= var_1_10)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_15)) ; VAL [\result=0, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=32773, var_1_18=16383, var_1_19=16382, var_1_1=1, var_1_20=0, var_1_21=6, var_1_22=1, var_1_23=8, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=7] [L142] RET, EXPR property() [L142] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=32773, var_1_18=16383, var_1_19=16382, var_1_1=1, var_1_20=0, var_1_21=6, var_1_22=1, var_1_23=8, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=7] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=0, var_1_13=8/5, var_1_14=3, var_1_15=8, var_1_16=0, var_1_17=32773, var_1_18=16383, var_1_19=16382, var_1_1=1, var_1_20=0, var_1_21=6, var_1_22=1, var_1_23=8, var_1_3=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_7=2, var_1_8=0, var_1_9=7] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.2s, OverallIterations: 4, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 456 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 400 mSDsluCounter, 999 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 683 mSDsCounter, 233 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 962 IncrementalHoareTripleChecker+Invalid, 1195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 233 mSolverCounterUnsat, 316 mSDtfsCounter, 962 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 553 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=3, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 781 NumberOfCodeBlocks, 781 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 465 ConstructedInterpolants, 0 QuantifiedInterpolants, 1956 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1093 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 3543/3600 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 [2023-11-12 02:32:47,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl --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 88c8c44b1b28036571c76e8aef19341d15502335b9d8765faffaa5e0dad5ad9d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:32:50,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:32:50,334 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:32:50,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:32:50,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:32:50,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:32:50,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:32:50,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:32:50,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:32:50,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:32:50,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:32:50,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:32:50,407 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:32:50,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:32:50,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:32:50,410 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:32:50,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:32:50,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:32:50,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:32:50,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:32:50,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:32:50,414 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:32:50,415 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:32:50,415 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:32:50,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:32:50,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:32:50,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:32:50,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:32:50,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:32:50,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:32:50,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:50,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:32:50,421 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:32:50,421 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:32:50,422 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:32:50,422 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:32:50,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:32:50,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:32:50,423 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:32:50,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:32:50,424 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:32:50,425 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:32:50,425 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_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88c8c44b1b28036571c76e8aef19341d15502335b9d8765faffaa5e0dad5ad9d [2023-11-12 02:32:50,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:32:50,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:32:50,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:32:50,978 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:32:50,978 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:32:50,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-41.i [2023-11-12 02:32:54,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:32:54,401 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:32:54,402 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-41.i [2023-11-12 02:32:54,417 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/data/e1041f59c/fd7d2f4a46e34ecdb9471aa82d1004ac/FLAG4701226a2 [2023-11-12 02:32:54,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/data/e1041f59c/fd7d2f4a46e34ecdb9471aa82d1004ac [2023-11-12 02:32:54,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:32:54,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:32:54,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:54,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:32:54,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:32:54,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:54" (1/1) ... [2023-11-12 02:32:54,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21ebece7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:54, skipping insertion in model container [2023-11-12 02:32:54,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:54" (1/1) ... [2023-11-12 02:32:54,722 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:32:54,919 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_cf599616-32c7-49b2-83ff-41d7eb1ce582/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-41.i[913,926] [2023-11-12 02:32:54,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:55,009 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:32:55,022 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_cf599616-32c7-49b2-83ff-41d7eb1ce582/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-41.i[913,926] [2023-11-12 02:32:55,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:55,079 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:32:55,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55 WrapperNode [2023-11-12 02:32:55,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:55,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:55,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:32:55,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:32:55,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55" (1/1) ... [2023-11-12 02:32:55,113 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55" (1/1) ... [2023-11-12 02:32:55,151 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-12 02:32:55,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:55,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:32:55,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:32:55,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:32:55,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55" (1/1) ... [2023-11-12 02:32:55,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55" (1/1) ... [2023-11-12 02:32:55,170 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55" (1/1) ... [2023-11-12 02:32:55,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55" (1/1) ... [2023-11-12 02:32:55,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55" (1/1) ... [2023-11-12 02:32:55,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55" (1/1) ... [2023-11-12 02:32:55,213 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55" (1/1) ... [2023-11-12 02:32:55,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55" (1/1) ... [2023-11-12 02:32:55,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:32:55,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:32:55,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:32:55,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:32:55,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55" (1/1) ... [2023-11-12 02:32:55,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:55,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:55,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:32:55,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:32:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:32:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:32:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:32:55,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:32:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:32:55,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:32:55,484 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:32:55,486 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:03,516 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:03,527 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:03,527 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:33:03,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:03 BoogieIcfgContainer [2023-11-12 02:33:03,530 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:03,532 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:33:03,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:33:03,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:33:03,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:32:54" (1/3) ... [2023-11-12 02:33:03,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b4bdf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:03, skipping insertion in model container [2023-11-12 02:33:03,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:55" (2/3) ... [2023-11-12 02:33:03,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b4bdf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:03, skipping insertion in model container [2023-11-12 02:33:03,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:03" (3/3) ... [2023-11-12 02:33:03,541 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-41.i [2023-11-12 02:33:03,563 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:33:03,564 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:33:03,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:33:03,643 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;@33cc0a10, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:33:03,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:33:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:33:03,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-12 02:33:03,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:03,666 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:03,667 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:03,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:03,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1615499508, now seen corresponding path program 1 times [2023-11-12 02:33:03,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:33:03,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840236003] [2023-11-12 02:33:03,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:03,689 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 [2023-11-12 02:33:03,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:33:03,690 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:33:03,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:33:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:04,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:33:04,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:04,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2023-11-12 02:33:04,296 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:33:04,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:33:04,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840236003] [2023-11-12 02:33:04,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840236003] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:04,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:04,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:33:04,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032318350] [2023-11-12 02:33:04,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:04,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:33:04,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:33:04,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:33:04,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:33:04,342 INFO L87 Difference]: Start difference. First operand has 69 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 42 states have internal predecessors, (56), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 02:33:04,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:04,378 INFO L93 Difference]: Finished difference Result 131 states and 231 transitions. [2023-11-12 02:33:04,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:33:04,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 156 [2023-11-12 02:33:04,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:04,389 INFO L225 Difference]: With dead ends: 131 [2023-11-12 02:33:04,390 INFO L226 Difference]: Without dead ends: 65 [2023-11-12 02:33:04,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:33:04,398 INFO L413 NwaCegarLoop]: 99 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, 99 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 [2023-11-12 02:33:04,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:33:04,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-12 02:33:04,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-12 02:33:04,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 38 states have (on average 1.2894736842105263) internal successors, (49), 38 states have internal predecessors, (49), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:33:04,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 99 transitions. [2023-11-12 02:33:04,461 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 99 transitions. Word has length 156 [2023-11-12 02:33:04,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:04,462 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 99 transitions. [2023-11-12 02:33:04,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-12 02:33:04,463 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2023-11-12 02:33:04,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-12 02:33:04,468 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:04,468 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:04,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:33:04,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:33:04,693 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:04,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:04,694 INFO L85 PathProgramCache]: Analyzing trace with hash 406198986, now seen corresponding path program 1 times [2023-11-12 02:33:04,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:33:04,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248819737] [2023-11-12 02:33:04,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:04,696 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 [2023-11-12 02:33:04,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:33:04,698 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:33:04,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:33:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:05,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:33:05,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 468 proven. 24 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2023-11-12 02:33:06,812 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:10,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:33:10,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [248819737] [2023-11-12 02:33:10,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [248819737] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:10,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [184443344] [2023-11-12 02:33:10,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:10,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 02:33:10,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/cvc4 [2023-11-12 02:33:10,130 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 02:33:10,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-12 02:33:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:11,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 02:33:11,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:33:12,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 468 proven. 24 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2023-11-12 02:33:12,482 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:33:14,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [184443344] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:33:14,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:33:14,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2023-11-12 02:33:14,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517307210] [2023-11-12 02:33:14,321 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:33:14,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:33:14,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:33:14,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:33:14,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2023-11-12 02:33:14,324 INFO L87 Difference]: Start difference. First operand 65 states and 99 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-12 02:33:18,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:20,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:21,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:21,452 INFO L93 Difference]: Finished difference Result 143 states and 208 transitions. [2023-11-12 02:33:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-12 02:33:21,502 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 156 [2023-11-12 02:33:21,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:21,506 INFO L225 Difference]: With dead ends: 143 [2023-11-12 02:33:21,506 INFO L226 Difference]: Without dead ends: 81 [2023-11-12 02:33:21,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2023-11-12 02:33:21,509 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 98 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 49 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:21,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 276 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 293 Invalid, 2 Unknown, 0 Unchecked, 6.6s Time] [2023-11-12 02:33:21,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-12 02:33:21,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2023-11-12 02:33:21,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 47 states have internal predecessors, (57), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-12 02:33:21,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 107 transitions. [2023-11-12 02:33:21,557 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 107 transitions. Word has length 156 [2023-11-12 02:33:21,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:21,558 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 107 transitions. [2023-11-12 02:33:21,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 10 states have internal predecessors, (49), 4 states have call successors, (25), 4 states have call predecessors, (25), 6 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2023-11-12 02:33:21,559 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2023-11-12 02:33:21,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-12 02:33:21,564 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:21,565 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:21,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:33:21,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:33:21,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/cvc4 --incremental --print-success --lang smt [2023-11-12 02:33:21,968 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:21,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:21,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1423106293, now seen corresponding path program 1 times [2023-11-12 02:33:21,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:33:21,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862773096] [2023-11-12 02:33:21,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:21,970 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 [2023-11-12 02:33:21,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:33:21,974 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:33:22,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf599616-32c7-49b2-83ff-41d7eb1ce582/bin/uautomizer-verify-uTZkv6EMXl/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 02:33:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:22,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-12 02:33:22,990 INFO L285 TraceCheckSpWp]: Computing forward predicates...