./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cf6a4292739173e3a27094d23f8efa3c977bd469e873e4b1ad94962d2474355b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:54:36,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:54:36,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:54:36,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:54:36,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:54:36,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:54:36,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:54:36,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:54:36,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:54:36,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:54:36,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:54:36,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:54:36,898 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:54:36,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:54:36,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:54:36,899 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:54:36,900 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:54:36,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:54:36,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:54:36,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:54:36,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:54:36,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:54:36,904 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:54:36,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:54:36,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:54:36,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:54:36,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:54:36,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:54:36,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:36,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:54:36,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:54:36,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:54:36,909 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:54:36,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:54:36,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:54:36,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:54:36,911 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:54:36,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:54:36,912 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:54:36,912 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_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf6a4292739173e3a27094d23f8efa3c977bd469e873e4b1ad94962d2474355b [2023-11-19 07:54:37,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:54:37,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:54:37,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:54:37,181 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:54:37,182 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:54:37,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i [2023-11-19 07:54:40,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:54:40,553 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:54:40,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i [2023-11-19 07:54:40,563 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/data/0fae776b0/b63e09b14e2a476cad6ad8ffaa0d6716/FLAG04a3cfa60 [2023-11-19 07:54:40,577 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/data/0fae776b0/b63e09b14e2a476cad6ad8ffaa0d6716 [2023-11-19 07:54:40,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:54:40,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:54:40,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:40,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:54:40,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:54:40,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:40,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435f2931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40, skipping insertion in model container [2023-11-19 07:54:40,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:40,619 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:54:40,768 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_8253054e-a262-4295-b529-bdd5f3160248/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i[912,925] [2023-11-19 07:54:40,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:40,830 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:54:40,844 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_8253054e-a262-4295-b529-bdd5f3160248/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i[912,925] [2023-11-19 07:54:40,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:40,904 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:54:40,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40 WrapperNode [2023-11-19 07:54:40,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:40,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:40,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:54:40,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:54:40,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:40,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:40,972 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2023-11-19 07:54:40,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:40,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:54:40,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:54:40,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:54:40,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:40,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:40,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:40,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:41,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:41,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:41,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:41,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:41,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:54:41,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:54:41,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:54:41,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:54:41,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40" (1/1) ... [2023-11-19 07:54:41,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:41,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:41,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:54:41,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:54:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:54:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:54:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:54:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:54:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:54:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:54:41,261 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:54:41,263 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:54:41,620 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:54:41,629 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:54:41,629 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:54:41,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:41 BoogieIcfgContainer [2023-11-19 07:54:41,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:54:41,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:54:41,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:54:41,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:54:41,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:40" (1/3) ... [2023-11-19 07:54:41,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605d1feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:41, skipping insertion in model container [2023-11-19 07:54:41,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:40" (2/3) ... [2023-11-19 07:54:41,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605d1feb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:41, skipping insertion in model container [2023-11-19 07:54:41,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:41" (3/3) ... [2023-11-19 07:54:41,645 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-4.i [2023-11-19 07:54:41,665 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:54:41,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:54:41,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:54:41,724 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;@69e3f89e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:54:41,724 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:54:41,727 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:54:41,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 07:54:41,738 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:41,739 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:41,739 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:54:41,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:41,744 INFO L85 PathProgramCache]: Analyzing trace with hash 373793549, now seen corresponding path program 1 times [2023-11-19 07:54:41,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:41,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935173858] [2023-11-19 07:54:41,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:41,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:41,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:54:41,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935173858] [2023-11-19 07:54:41,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:54:41,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229548730] [2023-11-19 07:54:41,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:41,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:41,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:41,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:54:42,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:54:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:42,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:54:42,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2023-11-19 07:54:42,261 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:42,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229548730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:42,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:42,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:42,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136721886] [2023-11-19 07:54:42,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:42,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:54:42,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:54:42,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:54:42,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:54:42,305 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:54:42,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:42,332 INFO L93 Difference]: Finished difference Result 87 states and 145 transitions. [2023-11-19 07:54:42,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:54:42,335 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2023-11-19 07:54:42,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:42,342 INFO L225 Difference]: With dead ends: 87 [2023-11-19 07:54:42,342 INFO L226 Difference]: Without dead ends: 43 [2023-11-19 07:54:42,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:54:42,349 INFO L413 NwaCegarLoop]: 61 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, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:42,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:42,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-19 07:54:42,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-19 07:54:42,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:54:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2023-11-19 07:54:42,395 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 96 [2023-11-19 07:54:42,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:42,395 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2023-11-19 07:54:42,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-19 07:54:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2023-11-19 07:54:42,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 07:54:42,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:42,401 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:42,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:42,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:54:42,616 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:54:42,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:42,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1332353645, now seen corresponding path program 1 times [2023-11-19 07:54:42,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:54:42,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188550423] [2023-11-19 07:54:42,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:42,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:54:42,721 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:54:42,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [793786756] [2023-11-19 07:54:42,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:42,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:42,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:42,724 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:54:42,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:54:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:54:43,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:54:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:54:43,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:54:43,426 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:54:43,428 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:54:43,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:43,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:54:43,640 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:54:43,643 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:54:43,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:54:43 BoogieIcfgContainer [2023-11-19 07:54:43,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:54:43,742 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:54:43,742 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:54:43,742 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:54:43,743 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:41" (3/4) ... [2023-11-19 07:54:43,747 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:54:43,748 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:54:43,750 INFO L158 Benchmark]: Toolchain (without parser) took 3167.76ms. Allocated memory is still 176.2MB. Free memory was 130.5MB in the beginning and 99.4MB in the end (delta: 31.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 07:54:43,754 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:54:43,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.52ms. Allocated memory is still 176.2MB. Free memory was 130.5MB in the beginning and 117.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:54:43,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.83ms. Allocated memory is still 176.2MB. Free memory was 117.8MB in the beginning and 114.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:54:43,756 INFO L158 Benchmark]: Boogie Preprocessor took 47.99ms. Allocated memory is still 176.2MB. Free memory was 114.6MB in the beginning and 112.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:54:43,757 INFO L158 Benchmark]: RCFGBuilder took 612.32ms. Allocated memory is still 176.2MB. Free memory was 112.9MB in the beginning and 95.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:54:43,757 INFO L158 Benchmark]: TraceAbstraction took 2102.45ms. Allocated memory is still 176.2MB. Free memory was 95.3MB in the beginning and 99.4MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:54:43,757 INFO L158 Benchmark]: Witness Printer took 6.82ms. Allocated memory is still 176.2MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:54:43,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.52ms. Allocated memory is still 176.2MB. Free memory was 130.5MB in the beginning and 117.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.83ms. Allocated memory is still 176.2MB. Free memory was 117.8MB in the beginning and 114.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.99ms. Allocated memory is still 176.2MB. Free memory was 114.6MB in the beginning and 112.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.32ms. Allocated memory is still 176.2MB. Free memory was 112.9MB in the beginning and 95.7MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2102.45ms. Allocated memory is still 176.2MB. Free memory was 95.3MB in the beginning and 99.4MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.82ms. Allocated memory is still 176.2MB. Free memory is still 99.4MB. 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 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 5; [L23] signed short int var_1_3 = -25; [L24] unsigned short int var_1_7 = 4; [L25] unsigned char var_1_8 = 4; [L26] unsigned char var_1_10 = 4; [L27] unsigned char var_1_11 = 8; [L28] unsigned long int var_1_12 = 10; [L29] float var_1_13 = 99.6; [L30] float var_1_14 = 127.5; [L31] float var_1_15 = 16.5; [L32] float var_1_16 = 256.5; [L33] unsigned long int var_1_17 = 4288034294; [L34] unsigned char var_1_18 = 0; [L35] unsigned long int last_1_var_1_12 = 10; [L36] unsigned char last_1_var_1_18 = 0; VAL [isInitial=0, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] CALL updateLastVariables() [L87] last_1_var_1_12 = var_1_12 [L88] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=-25, var_1_7=4, var_1_8=4] [L98] RET updateLastVariables() [L99] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_short() [L63] CALL assume_abort_if_not(var_1_3 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L63] RET assume_abort_if_not(var_1_3 >= -32768) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L64] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L64] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L65] CALL assume_abort_if_not(var_1_3 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L65] RET assume_abort_if_not(var_1_3 != 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=4, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L66] var_1_10 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L67] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L68] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L68] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=8, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L69] var_1_11 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L71] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L71] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=498/5, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L72] var_1_13 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L73] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=255/2, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L74] var_1_14 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L75] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=33/2, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L76] var_1_15 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L77] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L78] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L78] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=513/2, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L79] var_1_16 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L80] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L81] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L81] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4288034294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L82] var_1_17 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L83] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L84] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L84] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L99] RET updateVariables() [L100] CALL step() [L40] unsigned long int stepLocal_2 = last_1_var_1_12 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_2=5, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=4] [L41] COND TRUE stepLocal_2 != (last_1_var_1_18 - 64) [L42] var_1_8 = ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_2=5, var_1_10=12, var_1_11=12, var_1_12=10, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=12] [L46] COND TRUE (- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L47] var_1_12 = (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_2=5, var_1_10=12, var_1_11=12, var_1_12=512, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=0, var_1_1=5, var_1_3=2, var_1_7=4, var_1_8=12] [L51] var_1_18 = var_1_11 [L52] var_1_7 = var_1_18 [L53] signed long int stepLocal_1 = - var_1_3; [L54] signed long int stepLocal_0 = var_1_7 / var_1_3; VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_0=6, stepLocal_1=-2, stepLocal_2=5, var_1_10=12, var_1_11=12, var_1_12=512, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=12, var_1_1=5, var_1_3=2, var_1_7=12, var_1_8=12] [L55] COND FALSE !(stepLocal_0 >= var_1_7) VAL [isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, stepLocal_0=6, stepLocal_1=-2, stepLocal_2=5, var_1_10=12, var_1_11=12, var_1_12=512, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=12, var_1_1=5, var_1_3=2, var_1_7=12, var_1_8=12] [L100] RET step() [L101] CALL, EXPR property() [L91-L92] return ((((((var_1_7 / var_1_3) >= var_1_7) ? (((- var_1_3) > var_1_7) ? (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) : 1) : 1) && (var_1_7 == ((unsigned short int) var_1_18))) && (((last_1_var_1_12 / var_1_3) != (last_1_var_1_18 - 64)) ? (var_1_8 == ((unsigned char) ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) : (var_1_8 == ((unsigned char) ((((var_1_11) < (var_1_10)) ? (var_1_11) : (var_1_10))))))) && (((- (var_1_13 / 0.6f)) > ((var_1_14 + 3.25f) / ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) ? (var_1_12 == ((unsigned long int) (500u + ((((var_1_10) < (var_1_8)) ? (var_1_10) : (var_1_8)))))) : (var_1_12 == ((unsigned long int) (var_1_17 - var_1_10))))) && (var_1_18 == ((unsigned char) var_1_11)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=512, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=12, var_1_1=5, var_1_3=2, var_1_7=12, var_1_8=12] [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=512, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=12, var_1_1=5, var_1_3=2, var_1_7=12, var_1_8=12] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=10, last_1_var_1_18=0, var_1_10=12, var_1_11=12, var_1_12=512, var_1_13=2, var_1_14=3, var_1_15=4, var_1_16=5, var_1_17=4294967294, var_1_18=12, var_1_1=5, var_1_3=2, var_1_7=12, var_1_8=12] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 61 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 420/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 07:54:43,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cf6a4292739173e3a27094d23f8efa3c977bd469e873e4b1ad94962d2474355b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:54:46,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:54:46,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:54:46,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:54:46,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:54:46,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:54:46,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:54:46,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:54:46,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:54:46,922 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:54:46,923 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:54:46,924 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:54:46,924 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:54:46,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:54:46,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:54:46,927 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:54:46,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:54:46,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:54:46,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:54:46,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:54:46,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:54:46,936 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:54:46,938 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:54:46,938 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:54:46,939 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:54:46,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:54:46,940 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:54:46,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:54:46,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:54:46,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:54:46,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:46,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:54:46,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:54:46,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:54:46,945 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:54:46,945 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:54:46,945 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:54:46,946 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:54:46,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:54:46,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:54:46,947 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:54:46,948 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:54:46,948 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_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf6a4292739173e3a27094d23f8efa3c977bd469e873e4b1ad94962d2474355b [2023-11-19 07:54:47,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:54:47,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:54:47,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:54:47,421 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:54:47,422 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:54:47,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i [2023-11-19 07:54:50,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:54:50,960 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:54:50,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i [2023-11-19 07:54:50,975 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/data/71394921d/cd623d3c68f541f69cb390027e81cabe/FLAGe10a74954 [2023-11-19 07:54:50,999 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/data/71394921d/cd623d3c68f541f69cb390027e81cabe [2023-11-19 07:54:51,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:54:51,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:54:51,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:51,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:54:51,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:54:51,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c3caf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51, skipping insertion in model container [2023-11-19 07:54:51,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,063 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:54:51,240 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_8253054e-a262-4295-b529-bdd5f3160248/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i[912,925] [2023-11-19 07:54:51,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:51,306 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:54:51,341 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_8253054e-a262-4295-b529-bdd5f3160248/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-4.i[912,925] [2023-11-19 07:54:51,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:54:51,424 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:54:51,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51 WrapperNode [2023-11-19 07:54:51,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:54:51,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:51,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:54:51,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:54:51,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,522 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2023-11-19 07:54:51,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:54:51,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:54:51,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:54:51,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:54:51,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:54:51,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:54:51,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:54:51,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:54:51,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51" (1/1) ... [2023-11-19 07:54:51,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:54:51,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:54:51,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:54:51,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:54:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:54:51,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:54:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:54:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:54:51,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:54:51,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:54:51,816 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:54:51,819 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:54:58,397 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:54:58,405 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:54:58,407 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:54:58,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:58 BoogieIcfgContainer [2023-11-19 07:54:58,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:54:58,417 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:54:58,417 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:54:58,421 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:54:58,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:54:51" (1/3) ... [2023-11-19 07:54:58,422 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af8d7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:58, skipping insertion in model container [2023-11-19 07:54:58,422 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:54:51" (2/3) ... [2023-11-19 07:54:58,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af8d7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:54:58, skipping insertion in model container [2023-11-19 07:54:58,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:54:58" (3/3) ... [2023-11-19 07:54:58,426 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-4.i [2023-11-19 07:54:58,445 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:54:58,445 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:54:58,503 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:54:58,510 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;@44efd5fe, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:54:58,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:54:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:54:58,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 07:54:58,529 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:58,530 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:58,531 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:54:58,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:58,537 INFO L85 PathProgramCache]: Analyzing trace with hash 373793549, now seen corresponding path program 1 times [2023-11-19 07:54:58,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:58,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843659674] [2023-11-19 07:54:58,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:58,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:54:58,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:58,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:54:58,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 07:54:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:54:59,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:54:59,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:54:59,545 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2023-11-19 07:54:59,545 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:54:59,546 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:54:59,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843659674] [2023-11-19 07:54:59,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843659674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:54:59,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:54:59,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:54:59,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869826177] [2023-11-19 07:54:59,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:54:59,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:54:59,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:54:59,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:54:59,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:54:59,594 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 30 states have internal predecessors, (38), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 07:54:59,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:54:59,630 INFO L93 Difference]: Finished difference Result 87 states and 145 transitions. [2023-11-19 07:54:59,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:54:59,633 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 96 [2023-11-19 07:54:59,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:54:59,643 INFO L225 Difference]: With dead ends: 87 [2023-11-19 07:54:59,643 INFO L226 Difference]: Without dead ends: 43 [2023-11-19 07:54:59,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:54:59,653 INFO L413 NwaCegarLoop]: 61 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, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:54:59,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:54:59,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-19 07:54:59,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-19 07:54:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 07:54:59,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 61 transitions. [2023-11-19 07:54:59,721 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 61 transitions. Word has length 96 [2023-11-19 07:54:59,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:54:59,722 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 61 transitions. [2023-11-19 07:54:59,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-19 07:54:59,723 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2023-11-19 07:54:59,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-19 07:54:59,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:54:59,733 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:54:59,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:54:59,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:54:59,948 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:54:59,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:54:59,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1332353645, now seen corresponding path program 1 times [2023-11-19 07:54:59,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:54:59,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [677469790] [2023-11-19 07:54:59,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:54:59,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 07:54:59,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:54:59,953 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 07:54:59,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8253054e-a262-4295-b529-bdd5f3160248/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 07:55:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:55:00,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 07:55:00,711 INFO L285 TraceCheckSpWp]: Computing forward predicates...