./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB --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 71fe371b3648f25840026374af24a61fcda8c56564401f21f9e8d01fae27caed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:44:34,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:44:34,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:44:34,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:44:34,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:44:34,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:44:34,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:44:34,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:44:34,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:44:34,959 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:44:34,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:44:34,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:44:34,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:44:34,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:44:34,961 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:44:34,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:44:34,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:44:34,962 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:44:34,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:44:34,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:44:34,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:44:34,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:44:34,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:44:34,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:44:34,964 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:44:34,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:44:34,964 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:44:34,964 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:44:34,964 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:44:34,964 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:44:34,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:44:34,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:44:34,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:44:34,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:44:34,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:44:34,966 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:44:34,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:44:34,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:44:34,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:44:34,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:44:34,967 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:44:34,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:44:34,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:44:34,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:44:34,968 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:44:34,968 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:44:34,968 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:44:34,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:44:34,968 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 71fe371b3648f25840026374af24a61fcda8c56564401f21f9e8d01fae27caed [2024-11-28 04:44:35,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:44:35,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:44:35,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:44:35,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:44:35,467 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:44:35,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i [2024-11-28 04:44:39,068 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/data/3a32d6d71/210364cfbbaa4211bf0b67f9563309b7/FLAG4dc7643bd [2024-11-28 04:44:39,449 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:44:39,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i [2024-11-28 04:44:39,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/data/3a32d6d71/210364cfbbaa4211bf0b67f9563309b7/FLAG4dc7643bd [2024-11-28 04:44:39,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/data/3a32d6d71/210364cfbbaa4211bf0b67f9563309b7 [2024-11-28 04:44:39,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:44:39,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:44:39,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:44:39,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:44:39,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:44:39,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:39,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fc6545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39, skipping insertion in model container [2024-11-28 04:44:39,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:39,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:44:39,749 WARN L250 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_f0cd2dd6-7f15-488c-9286-22aa3601b892/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i[916,929] [2024-11-28 04:44:39,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:44:39,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:44:39,894 WARN L250 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_f0cd2dd6-7f15-488c-9286-22aa3601b892/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i[916,929] [2024-11-28 04:44:39,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:44:39,985 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:44:39,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39 WrapperNode [2024-11-28 04:44:39,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:44:39,987 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:44:39,987 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:44:39,987 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:44:39,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,078 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 151 [2024-11-28 04:44:40,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:44:40,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:44:40,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:44:40,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:44:40,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,095 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,128 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:44:40,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,143 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:44:40,166 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:44:40,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:44:40,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:44:40,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (1/1) ... [2024-11-28 04:44:40,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:44:40,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:40,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:44:40,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:44:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:44:40,227 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:44:40,227 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:44:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:44:40,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:44:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:44:40,325 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:44:40,327 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:44:40,729 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-28 04:44:40,729 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:44:40,739 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:44:40,739 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:44:40,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:40 BoogieIcfgContainer [2024-11-28 04:44:40,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:44:40,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:44:40,743 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:44:40,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:44:40,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:44:39" (1/3) ... [2024-11-28 04:44:40,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34730b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:44:40, skipping insertion in model container [2024-11-28 04:44:40,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:39" (2/3) ... [2024-11-28 04:44:40,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34730b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:44:40, skipping insertion in model container [2024-11-28 04:44:40,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:40" (3/3) ... [2024-11-28 04:44:40,751 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-95.i [2024-11-28 04:44:40,767 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:44:40,769 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-95.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:44:40,838 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:44:40,855 INFO L333 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, 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;@ae0372a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:44:40,855 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:44:40,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:44:40,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 04:44:40,878 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:40,879 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:40,880 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:40,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:40,888 INFO L85 PathProgramCache]: Analyzing trace with hash 360092605, now seen corresponding path program 1 times [2024-11-28 04:44:40,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:40,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797976997] [2024-11-28 04:44:40,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:40,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:41,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 04:44:41,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:41,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797976997] [2024-11-28 04:44:41,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797976997] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:41,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593867566] [2024-11-28 04:44:41,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:41,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:41,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:41,264 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:41,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:44:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:41,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:44:41,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2024-11-28 04:44:41,517 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:44:41,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593867566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:41,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:44:41,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:44:41,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116912580] [2024-11-28 04:44:41,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:41,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:44:41,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:41,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:44:41,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:44:41,549 INFO L87 Difference]: Start difference. First operand has 67 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 46 states have internal predecessors, (61), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:44:41,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:41,584 INFO L93 Difference]: Finished difference Result 127 states and 211 transitions. [2024-11-28 04:44:41,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:44:41,586 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 122 [2024-11-28 04:44:41,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:41,595 INFO L225 Difference]: With dead ends: 127 [2024-11-28 04:44:41,596 INFO L226 Difference]: Without dead ends: 63 [2024-11-28 04:44:41,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:44:41,605 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:41,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:44:41,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-28 04:44:41,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-28 04:44:41,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 42 states have internal predecessors, (54), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:44:41,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2024-11-28 04:44:41,660 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 122 [2024-11-28 04:44:41,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:41,661 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2024-11-28 04:44:41,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:44:41,661 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2024-11-28 04:44:41,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 04:44:41,664 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:41,664 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:41,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:44:41,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:41,865 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:41,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:41,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1432269755, now seen corresponding path program 1 times [2024-11-28 04:44:41,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:41,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904352783] [2024-11-28 04:44:41,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:41,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-28 04:44:42,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:42,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904352783] [2024-11-28 04:44:42,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904352783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:42,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:44:42,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:44:42,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717044446] [2024-11-28 04:44:42,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:42,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:44:42,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:44:42,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:44:42,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:44:42,477 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:44:42,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:42,520 INFO L93 Difference]: Finished difference Result 124 states and 183 transitions. [2024-11-28 04:44:42,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:44:42,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 122 [2024-11-28 04:44:42,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:42,523 INFO L225 Difference]: With dead ends: 124 [2024-11-28 04:44:42,523 INFO L226 Difference]: Without dead ends: 64 [2024-11-28 04:44:42,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:44:42,525 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:42,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:44:42,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-28 04:44:42,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-28 04:44:42,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:44:42,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2024-11-28 04:44:42,538 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 122 [2024-11-28 04:44:42,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:42,540 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2024-11-28 04:44:42,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-28 04:44:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2024-11-28 04:44:42,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-28 04:44:42,543 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:42,543 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:42,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:44:42,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:42,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:42,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1217660633, now seen corresponding path program 1 times [2024-11-28 04:44:42,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:42,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812820538] [2024-11-28 04:44:42,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:42,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 04:44:42,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420118182] [2024-11-28 04:44:42,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:42,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:42,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:42,627 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:42,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:44:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:44:42,797 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:44:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:44:42,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:44:42,953 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:44:42,954 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:44:42,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:44:43,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-28 04:44:43,165 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 04:44:43,278 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:44:43,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:44:43 BoogieIcfgContainer [2024-11-28 04:44:43,282 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:44:43,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:44:43,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:44:43,284 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:44:43,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:40" (3/4) ... [2024-11-28 04:44:43,288 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:44:43,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:44:43,290 INFO L158 Benchmark]: Toolchain (without parser) took 3801.84ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.0MB in the beginning and 274.7MB in the end (delta: -180.7MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-28 04:44:43,290 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:44:43,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.37ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 80.8MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:44:43,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.46ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 77.9MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:44:43,292 INFO L158 Benchmark]: Boogie Preprocessor took 86.62ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 73.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:44:43,293 INFO L158 Benchmark]: RCFGBuilder took 573.61ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 53.9MB in the end (delta: 19.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:44:43,294 INFO L158 Benchmark]: TraceAbstraction took 2540.81ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 53.5MB in the beginning and 274.7MB in the end (delta: -221.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-11-28 04:44:43,294 INFO L158 Benchmark]: Witness Printer took 4.74ms. Allocated memory is still 352.3MB. Free memory was 274.7MB in the beginning and 274.7MB in the end (delta: 18.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:44:43,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.37ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 80.8MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.46ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 77.9MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.62ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 73.8MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.61ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 53.9MB in the end (delta: 19.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2540.81ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 53.5MB in the beginning and 274.7MB in the end (delta: -221.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Witness Printer took 4.74ms. Allocated memory is still 352.3MB. Free memory was 274.7MB in the beginning and 274.7MB in the end (delta: 18.0kB). 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 to_int at line 91, overapproximation of to_int at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] signed long int var_1_3 = 1; [L24] signed long int var_1_4 = 8; [L25] signed long int var_1_5 = 255; [L26] signed long int var_1_6 = 50; [L27] unsigned char var_1_7 = 0; [L28] unsigned long int var_1_8 = 8; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 5; [L31] unsigned char var_1_12 = 2; [L32] signed short int var_1_13 = 0; [L33] unsigned long int var_1_14 = 16; [L34] signed char var_1_16 = -1; [L35] signed char var_1_17 = -16; [L36] unsigned char last_1_var_1_7 = 0; VAL [isInitial=0, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=8, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L95] isInitial = 1 [L96] FCALL initially() [L98] CALL updateLastVariables() [L88] last_1_var_1_7 = var_1_7 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=8, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L98] RET updateLastVariables() [L99] CALL updateVariables() [L58] var_1_4 = __VERIFIER_nondet_long() [L59] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L59] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L60] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L60] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=255, var_1_6=50, var_1_7=0, var_1_8=8] [L61] var_1_5 = __VERIFIER_nondet_long() [L62] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=0, var_1_8=8] [L62] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=0, var_1_8=8] [L63] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=0, var_1_8=8] [L63] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=50, var_1_7=0, var_1_8=8] [L64] var_1_6 = __VERIFIER_nondet_long() [L65] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=8] [L65] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=8] [L66] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=8] [L66] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=8] [L67] var_1_8 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0] [L68] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0] [L69] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L69] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=32, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L70] var_1_10 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L71] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L72] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L72] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L73] var_1_11 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L74] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L75] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L75] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=2, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L76] var_1_12 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L77] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L78] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L78] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=16, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L79] var_1_14 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L80] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L81] CALL assume_abort_if_not(var_1_14 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L81] RET assume_abort_if_not(var_1_14 <= 4294967295) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L82] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L82] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-16, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L83] var_1_17 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L84] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L85] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L85] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=-64, var_1_3=1, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L99] RET updateVariables() [L100] CALL step() [L40] var_1_1 = ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))) [L41] var_1_3 = ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f))))) [L42] var_1_16 = var_1_17 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L43] EXPR var_1_16 & var_1_1 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L43] signed long int stepLocal_0 = var_1_16 & var_1_1; [L44] COND TRUE (- (3351680781u - var_1_8)) > stepLocal_0 [L45] var_1_7 = (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L47] EXPR var_1_7 >> var_1_7 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=0, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L47] COND FALSE !((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) [L50] COND FALSE !(var_1_16 >= var_1_1) [L53] var_1_13 = 256 VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=256, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L100] RET step() [L101] CALL, EXPR property() [L91] EXPR ((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((signed long int) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=256, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_3=23, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L91] EXPR (((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((signed long int) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1)) && (((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) ? (var_1_13 == ((signed short int) ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))))) : ((var_1_16 >= var_1_1) ? (var_1_13 == ((signed short int) (-5 + (var_1_12 - var_1_11)))) : (var_1_13 == ((signed short int) 256)))) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=256, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_3=23, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L91-L92] return ((((var_1_1 == ((signed long int) ((((last_1_var_1_7) < 0 ) ? -(last_1_var_1_7) : (last_1_var_1_7))))) && (var_1_3 == ((signed long int) ((var_1_4 - var_1_5) + ((((256.5f) < ((var_1_6 - 16.125f))) ? (256.5f) : ((var_1_6 - 16.125f)))))))) && (((- (3351680781u - var_1_8)) > (var_1_16 & var_1_1)) ? (var_1_7 == ((unsigned char) (((((var_1_10) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_10) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) + var_1_12))) : 1)) && (((var_1_16 / var_1_14) < (var_1_7 >> var_1_7)) ? (var_1_13 == ((signed short int) ((((4 - var_1_11) < 0 ) ? -(4 - var_1_11) : (4 - var_1_11))))) : ((var_1_16 >= var_1_1) ? (var_1_13 == ((signed short int) (-5 + (var_1_12 - var_1_11)))) : (var_1_13 == ((signed short int) 256))))) && (var_1_16 == ((signed char) var_1_17)) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=256, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_3=23, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] [L19] reach_error() VAL [isInitial=1, last_1_var_1_7=0, var_1_10=-255, var_1_11=256, var_1_12=0, var_1_13=256, var_1_14=-4294967295, var_1_16=-1, var_1_17=-1, var_1_1=0, var_1_3=23, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=4294967296] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 19, 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, 269 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 183 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 612 NumberOfCodeBlocks, 612 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 371 SizeOfPredicates, 0 NumberOfNonLiveVariables, 278 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2016/2052 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:44:43,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB --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 71fe371b3648f25840026374af24a61fcda8c56564401f21f9e8d01fae27caed --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:44:46,128 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:44:46,243 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:44:46,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:44:46,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:44:46,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:44:46,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:44:46,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:44:46,306 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:44:46,306 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:44:46,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:44:46,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:44:46,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:44:46,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:44:46,307 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:44:46,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:44:46,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:44:46,307 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:44:46,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:44:46,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:44:46,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:44:46,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:44:46,312 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:44:46,312 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:44:46,312 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:44:46,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:44:46,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:44:46,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:44:46,312 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:44:46,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:44:46,312 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:44:46,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:44:46,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:44:46,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:44:46,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:44:46,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:44:46,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:44:46,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:44:46,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:44:46,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:44:46,314 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:44:46,314 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:44:46,314 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:44:46,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:44:46,315 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:44:46,315 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:44:46,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:44:46,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:44:46,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:44:46,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:44:46,315 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 71fe371b3648f25840026374af24a61fcda8c56564401f21f9e8d01fae27caed [2024-11-28 04:44:46,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:44:46,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:44:46,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:44:46,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:44:46,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:44:46,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i [2024-11-28 04:44:50,004 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/data/b7c74af2a/3b38b1d778ce40eeb1c9f34d76e543df/FLAGbf891eb6c [2024-11-28 04:44:50,269 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:44:50,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i [2024-11-28 04:44:50,278 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/data/b7c74af2a/3b38b1d778ce40eeb1c9f34d76e543df/FLAGbf891eb6c [2024-11-28 04:44:50,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/data/b7c74af2a/3b38b1d778ce40eeb1c9f34d76e543df [2024-11-28 04:44:50,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:44:50,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:44:50,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:44:50,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:44:50,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:44:50,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354ffd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50, skipping insertion in model container [2024-11-28 04:44:50,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:44:50,493 WARN L250 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_f0cd2dd6-7f15-488c-9286-22aa3601b892/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i[916,929] [2024-11-28 04:44:50,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:44:50,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:44:50,580 WARN L250 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_f0cd2dd6-7f15-488c-9286-22aa3601b892/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-95.i[916,929] [2024-11-28 04:44:50,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:44:50,654 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:44:50,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50 WrapperNode [2024-11-28 04:44:50,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:44:50,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:44:50,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:44:50,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:44:50,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,716 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-28 04:44:50,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:44:50,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:44:50,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:44:50,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:44:50,730 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,734 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,756 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:44:50,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,773 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:44:50,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:44:50,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:44:50,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:44:50,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2024-11-28 04:44:50,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:44:50,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:50,831 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:44:50,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:44:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:44:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:44:50,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:44:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:44:50,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:44:50,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:44:50,959 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:44:50,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:44:59,276 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-28 04:44:59,276 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:44:59,289 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:44:59,290 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 04:44:59,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:59 BoogieIcfgContainer [2024-11-28 04:44:59,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:44:59,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:44:59,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:44:59,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:44:59,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:44:50" (1/3) ... [2024-11-28 04:44:59,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dff7ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:44:59, skipping insertion in model container [2024-11-28 04:44:59,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (2/3) ... [2024-11-28 04:44:59,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dff7ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:44:59, skipping insertion in model container [2024-11-28 04:44:59,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:59" (3/3) ... [2024-11-28 04:44:59,305 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-95.i [2024-11-28 04:44:59,320 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:44:59,321 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-95.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 04:44:59,375 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:44:59,387 INFO L333 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, 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;@42f4bc68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:44:59,387 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:44:59,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:44:59,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 04:44:59,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:59,402 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:59,403 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:44:59,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:59,410 INFO L85 PathProgramCache]: Analyzing trace with hash 311912880, now seen corresponding path program 1 times [2024-11-28 04:44:59,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:44:59,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1868590895] [2024-11-28 04:44:59,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:44:59,422 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 [2024-11-28 04:44:59,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:44:59,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:44:59,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:44:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:44:59,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:44:59,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:44:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-28 04:44:59,780 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:44:59,780 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:44:59,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1868590895] [2024-11-28 04:44:59,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1868590895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:44:59,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:44:59,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:44:59,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008676828] [2024-11-28 04:44:59,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:44:59,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:44:59,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:44:59,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:44:59,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:44:59,812 INFO L87 Difference]: Start difference. First operand has 50 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 29 states have internal predecessors, (36), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:44:59,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:59,841 INFO L93 Difference]: Finished difference Result 93 states and 161 transitions. [2024-11-28 04:44:59,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:44:59,843 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 115 [2024-11-28 04:44:59,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:59,849 INFO L225 Difference]: With dead ends: 93 [2024-11-28 04:44:59,849 INFO L226 Difference]: Without dead ends: 46 [2024-11-28 04:44:59,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:44:59,856 INFO L435 NwaCegarLoop]: 66 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, 66 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 [2024-11-28 04:44:59,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:44:59,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-28 04:44:59,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-28 04:44:59,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:44:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2024-11-28 04:44:59,908 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 66 transitions. Word has length 115 [2024-11-28 04:44:59,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:59,909 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 66 transitions. [2024-11-28 04:44:59,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 04:44:59,910 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2024-11-28 04:44:59,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 04:44:59,918 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:59,918 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:59,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 04:45:00,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:45:00,119 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:45:00,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:45:00,120 INFO L85 PathProgramCache]: Analyzing trace with hash 470655502, now seen corresponding path program 1 times [2024-11-28 04:45:00,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:45:00,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290602178] [2024-11-28 04:45:00,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:45:00,121 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 [2024-11-28 04:45:00,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:45:00,128 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:45:00,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:45:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:45:00,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:45:00,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:45:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 340 proven. 33 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-11-28 04:45:01,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:45:01,438 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:45:01,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290602178] [2024-11-28 04:45:01,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290602178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:45:01,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [557356770] [2024-11-28 04:45:01,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:45:01,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:45:01,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:45:01,443 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:45:01,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-28 04:45:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:45:01,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 04:45:01,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:45:03,510 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 340 proven. 33 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2024-11-28 04:45:03,512 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:45:03,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [557356770] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:45:03,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:45:03,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2024-11-28 04:45:03,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671045362] [2024-11-28 04:45:03,695 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:45:03,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 04:45:03,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:45:03,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 04:45:03,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:45:03,698 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 4 states have call successors, (38), 4 states have call predecessors, (38), 6 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-28 04:45:09,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:45:13,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:45:17,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-28 04:45:21,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:45:25,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 04:45:25,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:45:25,748 INFO L93 Difference]: Finished difference Result 149 states and 207 transitions. [2024-11-28 04:45:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 04:45:25,770 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 4 states have call successors, (38), 4 states have call predecessors, (38), 6 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 116 [2024-11-28 04:45:25,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:45:25,773 INFO L225 Difference]: With dead ends: 149 [2024-11-28 04:45:25,774 INFO L226 Difference]: Without dead ends: 106 [2024-11-28 04:45:25,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2024-11-28 04:45:25,779 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 60 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 70 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:45:25,780 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 218 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 303 Invalid, 1 Unknown, 0 Unchecked, 21.2s Time] [2024-11-28 04:45:25,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-28 04:45:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 50. [2024-11-28 04:45:25,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 28 states have internal predecessors, (30), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-28 04:45:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 68 transitions. [2024-11-28 04:45:25,822 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 68 transitions. Word has length 116 [2024-11-28 04:45:25,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:45:25,823 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 68 transitions. [2024-11-28 04:45:25,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 4 states have call successors, (38), 4 states have call predecessors, (38), 6 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2024-11-28 04:45:25,823 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 68 transitions. [2024-11-28 04:45:25,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 04:45:25,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:45:25,827 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:45:25,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-28 04:45:26,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 04:45:26,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:45:26,228 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:45:26,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:45:26,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1304351860, now seen corresponding path program 1 times [2024-11-28 04:45:26,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:45:26,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551717313] [2024-11-28 04:45:26,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:45:26,229 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 [2024-11-28 04:45:26,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:45:26,231 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:45:26,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-28 04:45:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:45:26,515 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:45:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:45:26,713 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-28 04:45:26,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [574729307] [2024-11-28 04:45:26,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:45:26,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 04:45:26,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 04:45:26,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 04:45:26,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0cd2dd6-7f15-488c-9286-22aa3601b892/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-28 04:45:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:45:27,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-28 04:45:27,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:45:36,709 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:45:44,803 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:45:52,891 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:46:05,159 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:46:13,241 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:46:21,311 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:46:29,419 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:46:37,506 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:46:42,645 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:46:46,670 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 513.0 2.0))) (.cse3 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 8.0))))) (let ((.cse0 (fp.lt .cse2 .cse3)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (bvadd c_~var_1_4~0 (bvneg c_~var_1_5~0))))) (or (and .cse0 (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse1 .cse2)) c_~var_1_3~0)) (and (not .cse0) (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse1 .cse3)) c_~var_1_3~0))))) (= c_~var_1_16~0 c_~var_1_17~0) (= c_~var_1_1~0 ((_ zero_extend 24) c_~last_1_var_1_7~0)) (bvsle ((_ zero_extend 24) c_~var_1_12~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_11~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv127 32))) is different from false [2024-11-28 04:46:50,691 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse2 ((_ to_fp 8 24) c_currentRoundingMode (/ 513.0 2.0))) (.cse3 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 8.0))))) (let ((.cse0 (fp.lt .cse2 .cse3)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (bvadd c_~var_1_4~0 (bvneg c_~var_1_5~0))))) (or (and .cse0 (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse1 .cse2)) c_~var_1_3~0)) (and (not .cse0) (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse1 .cse3)) c_~var_1_3~0))))) (= c_~var_1_16~0 c_~var_1_17~0) (= c_~var_1_1~0 ((_ zero_extend 24) c_~last_1_var_1_7~0)) (bvsle ((_ zero_extend 24) c_~var_1_12~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_11~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv127 32))) is different from true [2024-11-28 04:46:58,847 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:47:06,989 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:47:15,071 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:47:23,151 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:47:31,241 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:47:39,292 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:47:47,378 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:47:55,468 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:48:00,554 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:48:12,913 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:48:21,002 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:48:28,241 WARN L286 SmtUtils]: Spent 7.24s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:48:36,413 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_12~0)) (.cse3 ((_ zero_extend 24) c_~var_1_11~0)) (.cse0 ((_ zero_extend 24) c_~var_1_10~0))) (and (let ((.cse2 (bvslt .cse0 .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse0 .cse1)) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2)))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 513.0 2.0))) (.cse7 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 8.0))))) (let ((.cse4 (fp.lt .cse6 .cse7)) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode (bvadd c_~var_1_4~0 (bvneg c_~var_1_5~0))))) (or (and .cse4 (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse5 .cse6)) c_~var_1_3~0)) (and (not .cse4) (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse5 .cse7)) c_~var_1_3~0))))) (= c_~var_1_16~0 c_~var_1_17~0) (= c_~var_1_1~0 ((_ zero_extend 24) c_~last_1_var_1_7~0)) (bvsle .cse1 (_ bv127 32)) (bvsle .cse3 (_ bv127 32)) (bvsle .cse0 (_ bv127 32)))) is different from false [2024-11-28 04:48:40,433 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_12~0)) (.cse3 ((_ zero_extend 24) c_~var_1_11~0)) (.cse0 ((_ zero_extend 24) c_~var_1_10~0))) (and (let ((.cse2 (bvslt .cse0 .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse0 .cse1)) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2)))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 513.0 2.0))) (.cse7 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 8.0))))) (let ((.cse4 (fp.lt .cse6 .cse7)) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode (bvadd c_~var_1_4~0 (bvneg c_~var_1_5~0))))) (or (and .cse4 (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse5 .cse6)) c_~var_1_3~0)) (and (not .cse4) (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse5 .cse7)) c_~var_1_3~0))))) (= c_~var_1_16~0 c_~var_1_17~0) (= c_~var_1_1~0 ((_ zero_extend 24) c_~last_1_var_1_7~0)) (bvsle .cse1 (_ bv127 32)) (bvsle .cse3 (_ bv127 32)) (bvsle .cse0 (_ bv127 32)))) is different from true [2024-11-28 04:48:48,563 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:48:56,664 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:49:04,782 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:49:12,889 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:49:20,991 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:49:29,182 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:49:37,282 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:49:45,388 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:49:53,522 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:01,643 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:09,717 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:17,844 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:25,943 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:32,595 WARN L286 SmtUtils]: Spent 6.65s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:36,626 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_12~0)) (.cse3 ((_ zero_extend 24) c_~var_1_11~0)) (.cse0 ((_ zero_extend 24) c_~var_1_10~0))) (and (let ((.cse2 (bvslt .cse0 .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse0 .cse1)) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2)))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 513.0 2.0))) (.cse7 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 8.0))))) (let ((.cse4 (fp.lt .cse6 .cse7)) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode (bvadd c_~var_1_4~0 (bvneg c_~var_1_5~0))))) (or (and .cse4 (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse5 .cse6)) c_~var_1_3~0)) (and (not .cse4) (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse5 .cse7)) c_~var_1_3~0))))) (= c_~var_1_16~0 c_~var_1_17~0) (= c_~var_1_1~0 ((_ zero_extend 24) c_~last_1_var_1_7~0)) (bvsle .cse1 (_ bv127 32)) (bvsle .cse3 (_ bv127 32)) (bvsle .cse0 (_ bv127 32)) (not (bvult (bvudiv ((_ sign_extend 24) c_~var_1_16~0) c_~var_1_14~0) (let ((.cse8 ((_ zero_extend 24) c_~var_1_7~0))) (bvashr .cse8 .cse8)))))) is different from false [2024-11-28 04:50:40,653 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_12~0)) (.cse3 ((_ zero_extend 24) c_~var_1_11~0)) (.cse0 ((_ zero_extend 24) c_~var_1_10~0))) (and (let ((.cse2 (bvslt .cse0 .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse0 .cse1)) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2)))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 513.0 2.0))) (.cse7 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 8.0))))) (let ((.cse4 (fp.lt .cse6 .cse7)) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode (bvadd c_~var_1_4~0 (bvneg c_~var_1_5~0))))) (or (and .cse4 (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse5 .cse6)) c_~var_1_3~0)) (and (not .cse4) (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse5 .cse7)) c_~var_1_3~0))))) (= c_~var_1_16~0 c_~var_1_17~0) (= c_~var_1_1~0 ((_ zero_extend 24) c_~last_1_var_1_7~0)) (bvsle .cse1 (_ bv127 32)) (bvsle .cse3 (_ bv127 32)) (bvsle .cse0 (_ bv127 32)) (not (bvult (bvudiv ((_ sign_extend 24) c_~var_1_16~0) c_~var_1_14~0) (let ((.cse8 ((_ zero_extend 24) c_~var_1_7~0))) (bvashr .cse8 .cse8)))))) is different from true [2024-11-28 04:50:48,829 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:50:56,976 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:05,074 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:13,166 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:21,255 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:29,344 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:37,437 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:45,542 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:51:53,162 WARN L286 SmtUtils]: Spent 7.62s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:52:01,267 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:52:09,375 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:52:17,475 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:52:24,929 WARN L286 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:52:33,104 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:52:41,218 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:52:47,678 WARN L286 SmtUtils]: Spent 6.46s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 04:52:51,710 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_12~0)) (.cse3 ((_ zero_extend 24) c_~var_1_11~0)) (.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse8 ((_ sign_extend 24) c_~var_1_16~0))) (and (let ((.cse2 (bvslt .cse0 .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse0 .cse1)) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2)))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 513.0 2.0))) (.cse7 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 8.0))))) (let ((.cse4 (fp.lt .cse6 .cse7)) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode (bvadd c_~var_1_4~0 (bvneg c_~var_1_5~0))))) (or (and .cse4 (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse5 .cse6)) c_~var_1_3~0)) (and (not .cse4) (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse5 .cse7)) c_~var_1_3~0))))) (= c_~var_1_16~0 c_~var_1_17~0) (= c_~var_1_1~0 ((_ zero_extend 24) c_~last_1_var_1_7~0)) (bvsle .cse1 (_ bv127 32)) (= c_~var_1_13~0 ((_ extract 15 0) (bvadd (bvneg .cse3) (_ bv4294967291 32) .cse1))) (bvsle .cse3 (_ bv127 32)) (bvsle .cse0 (_ bv127 32)) (bvsge .cse8 c_~var_1_1~0) (not (bvult (bvudiv .cse8 c_~var_1_14~0) (let ((.cse9 ((_ zero_extend 24) c_~var_1_7~0))) (bvashr .cse9 .cse9)))))) is different from false [2024-11-28 04:52:55,742 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_12~0)) (.cse3 ((_ zero_extend 24) c_~var_1_11~0)) (.cse0 ((_ zero_extend 24) c_~var_1_10~0)) (.cse8 ((_ sign_extend 24) c_~var_1_16~0))) (and (let ((.cse2 (bvslt .cse0 .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse0 .cse1)) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2)))) (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 513.0 2.0))) (.cse7 (fp.sub c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_6~0) ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 8.0))))) (let ((.cse4 (fp.lt .cse6 .cse7)) (.cse5 ((_ to_fp 8 24) c_currentRoundingMode (bvadd c_~var_1_4~0 (bvneg c_~var_1_5~0))))) (or (and .cse4 (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse5 .cse6)) c_~var_1_3~0)) (and (not .cse4) (= ((_ fp.to_sbv 32) roundTowardZero (fp.add c_currentRoundingMode .cse5 .cse7)) c_~var_1_3~0))))) (= c_~var_1_16~0 c_~var_1_17~0) (= c_~var_1_1~0 ((_ zero_extend 24) c_~last_1_var_1_7~0)) (bvsle .cse1 (_ bv127 32)) (= c_~var_1_13~0 ((_ extract 15 0) (bvadd (bvneg .cse3) (_ bv4294967291 32) .cse1))) (bvsle .cse3 (_ bv127 32)) (bvsle .cse0 (_ bv127 32)) (bvsge .cse8 c_~var_1_1~0) (not (bvult (bvudiv .cse8 c_~var_1_14~0) (let ((.cse9 ((_ zero_extend 24) c_~var_1_7~0))) (bvashr .cse9 .cse9)))))) is different from true