./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.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_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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 abae505f58f5b150cd30902d50b00592ab647cc43f5107f9aaed41c2bd3b922b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:15:56,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:15:57,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:15:57,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:15:57,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:15:57,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:15:57,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:15:57,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:15:57,138 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:15:57,139 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:15:57,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:15:57,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:15:57,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:15:57,141 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:15:57,141 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:15:57,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:15:57,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:15:57,141 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:15:57,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:15:57,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:15:57,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:15:57,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:15:57,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:15:57,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:15:57,142 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:15:57,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:15:57,142 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:15:57,142 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:15:57,142 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:15:57,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:15:57,145 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:15:57,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:15:57,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:15:57,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:15:57,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:15:57,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:15:57,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:15:57,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:15:57,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:15:57,147 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:15:57,147 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:15:57,147 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:15:57,148 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:15:57,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:15:57,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:15:57,148 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:15:57,148 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:15:57,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:15:57,148 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_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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 -> abae505f58f5b150cd30902d50b00592ab647cc43f5107f9aaed41c2bd3b922b [2024-11-28 03:15:57,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:15:57,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:15:57,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:15:57,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:15:57,568 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:15:57,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i [2024-11-28 03:16:00,896 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/data/b21b4f544/c1dd8997204b4210949bc7c60fdc8ea7/FLAG562b63af7 [2024-11-28 03:16:01,303 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:16:01,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i [2024-11-28 03:16:01,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/data/b21b4f544/c1dd8997204b4210949bc7c60fdc8ea7/FLAG562b63af7 [2024-11-28 03:16:01,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/data/b21b4f544/c1dd8997204b4210949bc7c60fdc8ea7 [2024-11-28 03:16:01,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:16:01,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:16:01,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:16:01,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:16:01,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:16:01,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1479b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01, skipping insertion in model container [2024-11-28 03:16:01,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:16:01,601 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_7ea19d1c-ff4b-48a2-abfa-b07885594d44/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i[915,928] [2024-11-28 03:16:01,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:16:01,704 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:16:01,721 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_7ea19d1c-ff4b-48a2-abfa-b07885594d44/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i[915,928] [2024-11-28 03:16:01,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:16:01,782 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:16:01,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01 WrapperNode [2024-11-28 03:16:01,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:16:01,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:16:01,786 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:16:01,786 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:16:01,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,845 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-11-28 03:16:01,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:16:01,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:16:01,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:16:01,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:16:01,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,861 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,875 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 03:16:01,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,881 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:16:01,892 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:16:01,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:16:01,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:16:01,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (1/1) ... [2024-11-28 03:16:01,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:16:01,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:01,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:16:01,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:16:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:16:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:16:01,976 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:16:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:16:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:16:01,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:16:02,064 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:16:02,067 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:16:02,479 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 03:16:02,480 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:16:02,497 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:16:02,498 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:16:02,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:02 BoogieIcfgContainer [2024-11-28 03:16:02,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:16:02,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:16:02,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:16:02,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:16:02,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:16:01" (1/3) ... [2024-11-28 03:16:02,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a0615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:02, skipping insertion in model container [2024-11-28 03:16:02,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:01" (2/3) ... [2024-11-28 03:16:02,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a0615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:02, skipping insertion in model container [2024-11-28 03:16:02,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:02" (3/3) ... [2024-11-28 03:16:02,518 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-35.i [2024-11-28 03:16:02,539 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:16:02,542 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-35.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:16:02,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:16:02,649 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;@21da1b73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:16:02,650 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:16:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:16:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 03:16:02,674 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:02,675 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:02,676 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:16:02,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:02,687 INFO L85 PathProgramCache]: Analyzing trace with hash 743874184, now seen corresponding path program 1 times [2024-11-28 03:16:02,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:02,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339458346] [2024-11-28 03:16:02,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:02,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-28 03:16:03,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:16:03,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339458346] [2024-11-28 03:16:03,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339458346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:16:03,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187653435] [2024-11-28 03:16:03,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:03,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:16:03,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:03,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:16:03,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:16:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:03,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:16:03,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:03,502 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-28 03:16:03,502 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:16:03,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187653435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:16:03,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:16:03,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:16:03,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894217247] [2024-11-28 03:16:03,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:16:03,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:16:03,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:16:03,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:16:03,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:16:03,544 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:16:03,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:03,573 INFO L93 Difference]: Finished difference Result 105 states and 174 transitions. [2024-11-28 03:16:03,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:16:03,578 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-11-28 03:16:03,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:03,586 INFO L225 Difference]: With dead ends: 105 [2024-11-28 03:16:03,586 INFO L226 Difference]: Without dead ends: 52 [2024-11-28 03:16:03,590 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 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 03:16:03,593 INFO L435 NwaCegarLoop]: 74 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, 74 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 03:16:03,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:16:03,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-28 03:16:03,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-28 03:16:03,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:16:03,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2024-11-28 03:16:03,642 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 74 transitions. Word has length 116 [2024-11-28 03:16:03,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:03,643 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-28 03:16:03,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:16:03,644 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-28 03:16:03,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 03:16:03,647 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:03,647 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:03,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:16:03,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:16:03,848 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:16:03,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:03,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1628401644, now seen corresponding path program 1 times [2024-11-28 03:16:03,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:16:03,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979716892] [2024-11-28 03:16:03,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:03,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:16:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:16:04,088 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:16:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:16:04,246 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:16:04,246 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:16:04,248 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:16:04,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:16:04,255 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 03:16:04,378 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:16:04,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:16:04 BoogieIcfgContainer [2024-11-28 03:16:04,382 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:16:04,383 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:16:04,383 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:16:04,384 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:16:04,384 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:02" (3/4) ... [2024-11-28 03:16:04,386 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:16:04,387 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:16:04,388 INFO L158 Benchmark]: Toolchain (without parser) took 3039.54ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 48.2MB in the end (delta: 45.6MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-11-28 03:16:04,388 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:16:04,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.75ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 80.9MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:16:04,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.50ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:16:04,389 INFO L158 Benchmark]: Boogie Preprocessor took 45.13ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:16:04,390 INFO L158 Benchmark]: RCFGBuilder took 606.06ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 62.5MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:16:04,390 INFO L158 Benchmark]: TraceAbstraction took 1879.35ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 48.8MB in the end (delta: 13.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-28 03:16:04,391 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 48.2MB in the end (delta: 590.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:16:04,393 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.75ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 80.9MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.50ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.13ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.1MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 606.06ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 62.5MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1879.35ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 48.8MB in the end (delta: 13.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 117.4MB. Free memory was 48.8MB in the beginning and 48.2MB in the end (delta: 590.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someUnaryDOUBLEoperation at line 26, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 4.8; [L23] unsigned long int var_1_2 = 2; [L24] unsigned long int var_1_3 = 5; [L25] float var_1_4 = 255.1; [L26] float var_1_5 = -0.6; [L27] signed short int var_1_6 = -10; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; [L30] signed char var_1_11 = -2; [L31] signed char var_1_12 = 10; [L32] signed char var_1_13 = 5; [L33] float var_1_14 = 499.375; [L34] float var_1_15 = 0.0; [L35] float var_1_16 = 63.2; [L36] float var_1_17 = 0.0; [L37] float var_1_18 = 15.75; [L38] float var_1_19 = 5.75; VAL [isInitial=0, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_2=2, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L105] isInitial = 1 [L106] FCALL initially() [L108] FCALL updateLastVariables() [L109] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L69] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L69] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L70] var_1_3 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L72] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L72] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L73] var_1_4 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L74] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L75] var_1_5 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L76] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L77] var_1_7 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_8=1] [L78] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_8=1] [L79] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L79] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L80] var_1_8 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0] [L81] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0] [L82] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L82] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L83] var_1_12 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L84] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L85] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L85] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L86] var_1_13 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L87] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L88] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L88] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L89] var_1_15 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L90] RET assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L91] var_1_16 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L92] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L93] var_1_17 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L94] RET assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L95] var_1_18 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L96] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L109] RET updateVariables() [L110] CALL step() [L42] unsigned long int stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=4294967263, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_2=4294967263, var_1_6=-10, var_1_7=0, var_1_8=1] [L43] COND TRUE stepLocal_0 >= (~ var_1_3) [L44] var_1_1 = (var_1_4 + var_1_5) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_2=4294967263, var_1_3=32, var_1_6=-10, var_1_7=0, var_1_8=1] [L46] var_1_11 = (-32 + (var_1_12 + ((((10) < (var_1_13)) ? (10) : (var_1_13))))) [L47] signed char stepLocal_1 = var_1_12; VAL [isInitial=1, stepLocal_1=32, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_2=4294967263, var_1_3=32, var_1_6=-10, var_1_7=0, var_1_8=1] [L48] COND FALSE !(stepLocal_1 != var_1_3) [L53] var_1_14 = var_1_18 VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967269, var_1_18=4294967269, var_1_19=23/4, var_1_2=4294967263, var_1_3=32, var_1_6=-10, var_1_7=0, var_1_8=1] [L55] var_1_19 = var_1_5 VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967269, var_1_18=4294967269, var_1_19=4294967268, var_1_2=4294967263, var_1_3=32, var_1_5=4294967268, var_1_6=-10, var_1_7=0, var_1_8=1] [L56] COND FALSE !(\read(var_1_7)) [L63] var_1_6 = var_1_11 VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967269, var_1_18=4294967269, var_1_19=4294967268, var_1_2=4294967263, var_1_3=32, var_1_5=4294967268, var_1_6=10, var_1_7=0, var_1_8=1] [L110] RET step() [L111] CALL, EXPR property() [L101-L102] return (((((var_1_2 >= (~ var_1_3)) ? (var_1_1 == ((float) (var_1_4 + var_1_5))) : 1) && (var_1_7 ? (var_1_8 ? (var_1_6 == ((signed short int) (var_1_11 + var_1_11))) : (var_1_6 == ((signed short int) (var_1_11 + var_1_11)))) : (var_1_6 == ((signed short int) var_1_11)))) && (var_1_11 == ((signed char) (-32 + (var_1_12 + ((((10) < (var_1_13)) ? (10) : (var_1_13)))))))) && ((var_1_12 != var_1_3) ? (var_1_7 ? (var_1_14 == ((float) ((var_1_15 - var_1_16) - (var_1_17 - var_1_18)))) : 1) : (var_1_14 == ((float) var_1_18)))) && (var_1_19 == ((float) var_1_5)) ; VAL [\result=0, isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967269, var_1_18=4294967269, var_1_19=4294967268, var_1_2=4294967263, var_1_3=32, var_1_5=4294967268, var_1_6=10, var_1_7=0, var_1_8=1] [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967269, var_1_18=4294967269, var_1_19=4294967268, var_1_2=4294967263, var_1_3=32, var_1_5=4294967268, var_1_6=10, var_1_7=0, var_1_8=1] [L19] reach_error() VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967269, var_1_18=4294967269, var_1_19=4294967268, var_1_2=4294967263, var_1_3=32, var_1_5=4294967268, var_1_6=10, var_1_7=0, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 18, 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, 74 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 74 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 265 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 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 03:16:04,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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 abae505f58f5b150cd30902d50b00592ab647cc43f5107f9aaed41c2bd3b922b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:16:07,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:16:07,842 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:16:07,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:16:07,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:16:07,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:16:07,906 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:16:07,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:16:07,907 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:16:07,908 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:16:07,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:16:07,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:16:07,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:16:07,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:16:07,910 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:16:07,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:16:07,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:16:07,911 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:16:07,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:16:07,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:16:07,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:16:07,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:16:07,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:16:07,912 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:16:07,913 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:16:07,913 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:16:07,913 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:16:07,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:16:07,913 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:16:07,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:16:07,914 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:16:07,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:16:07,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:16:07,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:16:07,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:16:07,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:16:07,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:16:07,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:16:07,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:16:07,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:16:07,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:16:07,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:16:07,917 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:16:07,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:16:07,917 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:16:07,918 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:16:07,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:16:07,918 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:16:07,918 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:16:07,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:16:07,919 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_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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 -> abae505f58f5b150cd30902d50b00592ab647cc43f5107f9aaed41c2bd3b922b [2024-11-28 03:16:08,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:16:08,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:16:08,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:16:08,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:16:08,349 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:16:08,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i [2024-11-28 03:16:11,826 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/data/a3d9683ea/fd4585636dd842228cd9096662b6b036/FLAG5e60ad132 [2024-11-28 03:16:12,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:16:12,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i [2024-11-28 03:16:12,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/data/a3d9683ea/fd4585636dd842228cd9096662b6b036/FLAG5e60ad132 [2024-11-28 03:16:12,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/data/a3d9683ea/fd4585636dd842228cd9096662b6b036 [2024-11-28 03:16:12,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:16:12,234 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:16:12,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:16:12,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:16:12,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:16:12,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c09d83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12, skipping insertion in model container [2024-11-28 03:16:12,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:16:12,490 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_7ea19d1c-ff4b-48a2-abfa-b07885594d44/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i[915,928] [2024-11-28 03:16:12,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:16:12,610 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:16:12,624 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_7ea19d1c-ff4b-48a2-abfa-b07885594d44/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-35.i[915,928] [2024-11-28 03:16:12,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:16:12,693 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:16:12,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12 WrapperNode [2024-11-28 03:16:12,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:16:12,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:16:12,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:16:12,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:16:12,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,721 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,755 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-11-28 03:16:12,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:16:12,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:16:12,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:16:12,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:16:12,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,772 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,784 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 03:16:12,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,795 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:16:12,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:16:12,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:16:12,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:16:12,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (1/1) ... [2024-11-28 03:16:12,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:16:12,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:16:12,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:16:12,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:16:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:16:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:16:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:16:12,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:16:12,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:16:12,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:16:13,013 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:16:13,016 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:16:15,795 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-28 03:16:15,795 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:16:15,812 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:16:15,812 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:16:15,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:15 BoogieIcfgContainer [2024-11-28 03:16:15,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:16:15,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:16:15,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:16:15,823 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:16:15,824 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:16:12" (1/3) ... [2024-11-28 03:16:15,824 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3dc46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:15, skipping insertion in model container [2024-11-28 03:16:15,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:16:12" (2/3) ... [2024-11-28 03:16:15,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f3dc46d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:16:15, skipping insertion in model container [2024-11-28 03:16:15,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:16:15" (3/3) ... [2024-11-28 03:16:15,828 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-35.i [2024-11-28 03:16:15,843 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:16:15,845 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-35.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:16:15,912 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:16:15,943 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;@7976fa4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:16:15,946 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:16:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:16:15,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 03:16:15,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:15,961 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:15,961 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:16:15,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:15,969 INFO L85 PathProgramCache]: Analyzing trace with hash 743874184, now seen corresponding path program 1 times [2024-11-28 03:16:15,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:16:15,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548573786] [2024-11-28 03:16:15,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:15,979 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 03:16:15,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:16:15,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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 03:16:15,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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 03:16:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:16,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:16:16,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:16:16,408 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-28 03:16:16,408 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:16:16,409 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:16:16,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548573786] [2024-11-28 03:16:16,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548573786] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:16:16,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:16:16,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:16:16,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626680524] [2024-11-28 03:16:16,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:16:16,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:16:16,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:16:16,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:16:16,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:16:16,439 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:16:16,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:16:16,466 INFO L93 Difference]: Finished difference Result 105 states and 174 transitions. [2024-11-28 03:16:16,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:16:16,469 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-11-28 03:16:16,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:16:16,477 INFO L225 Difference]: With dead ends: 105 [2024-11-28 03:16:16,478 INFO L226 Difference]: Without dead ends: 52 [2024-11-28 03:16:16,482 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 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 03:16:16,486 INFO L435 NwaCegarLoop]: 74 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, 74 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 03:16:16,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:16:16,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-28 03:16:16,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-28 03:16:16,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:16:16,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2024-11-28 03:16:16,532 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 74 transitions. Word has length 116 [2024-11-28 03:16:16,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:16:16,534 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-28 03:16:16,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:16:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-28 03:16:16,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 03:16:16,540 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:16:16,540 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:16,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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 03:16:16,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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 03:16:16,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:16:16,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:16:16,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1628401644, now seen corresponding path program 1 times [2024-11-28 03:16:16,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:16:16,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143077264] [2024-11-28 03:16:16,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:16:16,746 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 03:16:16,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:16:16,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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 03:16:16,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/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 03:16:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:16:17,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-28 03:16:17,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:18:56,676 WARN L286 SmtUtils]: Spent 5.30s 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 03:20:25,078 WARN L286 SmtUtils]: Spent 5.42s 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 03:21:04,141 WARN L286 SmtUtils]: Spent 5.84s 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 03:21:42,347 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 287 proven. 66 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-11-28 03:21:42,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:22:55,877 WARN L286 SmtUtils]: Spent 5.23s 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 03:23:18,634 WARN L286 SmtUtils]: Spent 5.52s 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 03:24:13,521 WARN L286 SmtUtils]: Spent 5.43s 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 03:24:28,388 WARN L286 SmtUtils]: Spent 5.74s 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 03:24:33,593 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:24:39,086 WARN L286 SmtUtils]: Spent 5.14s 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 03:24:48,923 WARN L286 SmtUtils]: Spent 5.06s 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 03:25:36,456 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse34 ((_ sign_extend 24) c_~var_1_12~0)) (.cse36 ((_ sign_extend 24) c_~var_1_13~0)) (.cse35 ((_ sign_extend 24) c_~var_1_11~0)) (.cse37 ((_ sign_extend 16) c_~var_1_6~0))) (let ((.cse20 (fp.eq c_~var_1_14~0 c_~var_1_18~0)) (.cse0 (= (_ bv0 8) c_~var_1_7~0)) (.cse1 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse35))) .cse37)) (.cse5 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse34 .cse36 (_ bv4294967264 32)))) .cse35)) (.cse7 (= .cse34 c_~var_1_3~0)) (.cse4 (fp.eq c_~var_1_19~0 c_~var_1_5~0))) (let ((.cse13 (not .cse4)) (.cse23 (not .cse7)) (.cse14 (not .cse5)) (.cse6 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse10 (not .cse1)) (.cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse8 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0))))) (.cse12 (= .cse37 ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse24 (bvslt (_ bv10 32) .cse36)) (.cse18 (not .cse0)) (.cse19 (not .cse20)) (.cse26 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse34 (_ bv4294967274 32)))) .cse35))) (and (or (let ((.cse25 (and .cse2 .cse8))) (let ((.cse15 (or .cse1 .cse25)) (.cse16 (or .cse25 .cse10)) (.cse17 (and .cse4 .cse5)) (.cse3 (not .cse24))) (and (or (and (or .cse0 (and .cse1 (or .cse2 .cse3) .cse4 .cse5 .cse6 (or (and .cse7 .cse3) .cse8))) (or (and (or (let ((.cse9 (let ((.cse11 (and .cse12 .cse3))) (and (or .cse11 .cse8) (or .cse11 .cse2))))) (and (or .cse1 .cse9) .cse6 (or .cse9 .cse10))) .cse13 .cse14) (or (and .cse15 .cse16 .cse6) .cse17)) .cse18)) .cse19) (or .cse20 (and (or (and (or .cse13 (let ((.cse21 (let ((.cse22 (and .cse12 .cse23 .cse3))) (and (or .cse22 .cse8) (or .cse22 .cse2))))) (and (or .cse1 .cse21) (or .cse21 .cse10))) .cse14) .cse6 (or (and .cse15 .cse16) .cse17)) .cse18) (or .cse0 (and .cse1 .cse4 .cse5 .cse23 .cse6 .cse3 .cse8))))))) (and .cse26 .cse4)) (or .cse13 (and (or .cse20 (and (or (and .cse6 (or (let ((.cse27 (let ((.cse28 (and .cse12 .cse23 .cse24))) (and (or .cse28 .cse2) (or .cse28 .cse8))))) (and (or .cse1 .cse27) (or .cse27 .cse10))) .cse5) (or .cse14 (let ((.cse29 (let ((.cse30 (and .cse12 .cse23))) (and (or .cse30 .cse2) (or .cse30 .cse8))))) (and (or .cse1 .cse29) (or .cse29 .cse10))))) .cse18) (or .cse0 (and (or .cse5 (and .cse1 .cse23 .cse8 .cse24)) .cse6 (or .cse14 (and .cse1 .cse23 .cse8)))))) (or (and (or .cse0 (and (or .cse5 (and (or .cse2 .cse24) .cse1 (or (and .cse7 .cse24) .cse8) .cse6)) (or .cse14 (and .cse1 (or .cse7 .cse8) (or .cse7 (= (_ bv0 32) (bvnot c_~var_1_3~0)) .cse8) .cse6)))) (or (and (or (let ((.cse31 (and (or .cse12 .cse2) (or .cse12 .cse8)))) (and (or .cse1 .cse31) (or .cse31 .cse10) .cse6)) .cse14) (or (let ((.cse32 (let ((.cse33 (and .cse12 .cse24))) (and (or .cse33 .cse2) (or .cse33 .cse8))))) (and (or .cse1 .cse32) .cse6 (or .cse32 .cse10))) .cse5)) .cse18)) .cse19)) (not .cse26)))))) is different from true [2024-11-28 03:26:16,381 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:26:36,543 WARN L286 SmtUtils]: Spent 5.68s 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 03:27:15,998 WARN L286 SmtUtils]: Spent 5.94s 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 03:27:21,509 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:27:28,211 WARN L286 SmtUtils]: Spent 6.44s 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 03:27:36,464 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse27 ((_ sign_extend 24) c_~var_1_12~0)) (.cse26 ((_ sign_extend 24) c_~var_1_13~0)) (.cse28 ((_ sign_extend 24) c_~var_1_11~0))) (let ((.cse5 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse28))) ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse11 (fp.eq c_~var_1_14~0 c_~var_1_18~0)) (.cse2 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse27 .cse26 (_ bv4294967264 32)))) .cse28)) (.cse17 (fp.eq c_~var_1_19~0 c_~var_1_5~0))) (let ((.cse1 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse27 (_ bv4294967274 32)))) .cse28)) (.cse14 (not (= .cse27 c_~var_1_3~0))) (.cse0 (not .cse17)) (.cse15 (not .cse2)) (.cse9 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse10 (not .cse11)) (.cse3 (not .cse5)) (.cse7 (bvslt (_ bv10 32) .cse26)) (.cse6 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse8 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (and (or .cse0 (not .cse1) (and (or (and (or .cse2 (let ((.cse4 (and (or .cse6 .cse7) (or .cse8 .cse7)))) (and (or .cse3 .cse4) (or .cse4 .cse5)))) .cse9) .cse10) (or .cse11 (and .cse9 (or .cse2 (let ((.cse12 (let ((.cse13 (and .cse14 .cse7))) (and (or .cse13 .cse8) (or .cse13 .cse6))))) (and (or .cse3 .cse12) (or .cse12 .cse5)))) (or .cse15 (let ((.cse16 (and (or .cse14 .cse8) (or .cse14 .cse6)))) (and (or .cse16 .cse5) (or .cse3 .cse16)))))))) (or (and .cse1 .cse17) (let ((.cse25 (and .cse6 .cse8))) (let ((.cse20 (not .cse7)) (.cse21 (or .cse3 .cse25)) (.cse22 (or .cse25 .cse5)) (.cse23 (and .cse17 .cse2))) (and (or .cse11 (and (or .cse0 .cse15 (let ((.cse18 (let ((.cse19 (and .cse14 .cse20))) (and (or .cse19 .cse8) (or .cse19 .cse6))))) (and (or .cse3 .cse18) (or .cse5 .cse18)))) .cse9 (or (and .cse21 .cse22) .cse23))) (or (and (or .cse0 .cse15 (let ((.cse24 (and (or .cse6 .cse20) (or .cse20 .cse8)))) (and .cse9 (or .cse24 .cse3) (or .cse24 .cse5)))) (or (and .cse21 .cse22 .cse9) .cse23)) .cse10))))))))) is different from false [2024-11-28 03:27:40,487 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse27 ((_ sign_extend 24) c_~var_1_12~0)) (.cse26 ((_ sign_extend 24) c_~var_1_13~0)) (.cse28 ((_ sign_extend 24) c_~var_1_11~0))) (let ((.cse5 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse28))) ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse11 (fp.eq c_~var_1_14~0 c_~var_1_18~0)) (.cse2 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse27 .cse26 (_ bv4294967264 32)))) .cse28)) (.cse17 (fp.eq c_~var_1_19~0 c_~var_1_5~0))) (let ((.cse1 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse27 (_ bv4294967274 32)))) .cse28)) (.cse14 (not (= .cse27 c_~var_1_3~0))) (.cse0 (not .cse17)) (.cse15 (not .cse2)) (.cse9 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse10 (not .cse11)) (.cse3 (not .cse5)) (.cse7 (bvslt (_ bv10 32) .cse26)) (.cse6 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse8 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (and (or .cse0 (not .cse1) (and (or (and (or .cse2 (let ((.cse4 (and (or .cse6 .cse7) (or .cse8 .cse7)))) (and (or .cse3 .cse4) (or .cse4 .cse5)))) .cse9) .cse10) (or .cse11 (and .cse9 (or .cse2 (let ((.cse12 (let ((.cse13 (and .cse14 .cse7))) (and (or .cse13 .cse8) (or .cse13 .cse6))))) (and (or .cse3 .cse12) (or .cse12 .cse5)))) (or .cse15 (let ((.cse16 (and (or .cse14 .cse8) (or .cse14 .cse6)))) (and (or .cse16 .cse5) (or .cse3 .cse16)))))))) (or (and .cse1 .cse17) (let ((.cse25 (and .cse6 .cse8))) (let ((.cse20 (not .cse7)) (.cse21 (or .cse3 .cse25)) (.cse22 (or .cse25 .cse5)) (.cse23 (and .cse17 .cse2))) (and (or .cse11 (and (or .cse0 .cse15 (let ((.cse18 (let ((.cse19 (and .cse14 .cse20))) (and (or .cse19 .cse8) (or .cse19 .cse6))))) (and (or .cse3 .cse18) (or .cse5 .cse18)))) .cse9 (or (and .cse21 .cse22) .cse23))) (or (and (or .cse0 .cse15 (let ((.cse24 (and (or .cse6 .cse20) (or .cse20 .cse8)))) (and .cse9 (or .cse24 .cse3) (or .cse24 .cse5)))) (or (and .cse21 .cse22 .cse9) .cse23)) .cse10))))))))) is different from true [2024-11-28 03:27:57,181 WARN L286 SmtUtils]: Spent 5.03s 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 03:28:03,832 WARN L286 SmtUtils]: Spent 6.00s 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 03:28:09,209 WARN L286 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:28:15,935 WARN L286 SmtUtils]: Spent 6.20s 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 03:28:21,456 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:29:00,533 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:29:44,343 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse25 ((_ sign_extend 24) c_~var_1_12~0)) (.cse24 ((_ sign_extend 24) c_~var_1_13~0)) (.cse26 ((_ sign_extend 24) c_~var_1_11~0))) (let ((.cse4 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse26))) ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse1 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse25 .cse24 (_ bv4294967264 32)))) .cse26)) (.cse10 (fp.eq c_~var_1_14~0 c_~var_1_18~0))) (let ((.cse0 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse25 (_ bv4294967274 32)))) .cse26)) (.cse9 (not .cse10)) (.cse8 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse14 (not .cse1)) (.cse13 (not (= .cse25 c_~var_1_3~0))) (.cse2 (not .cse4)) (.cse6 (bvslt (_ bv10 32) .cse24)) (.cse5 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse7 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (and (or (not .cse0) (and (or (and (or .cse1 (let ((.cse3 (and (or .cse5 .cse6) (or .cse7 .cse6)))) (and (or .cse2 .cse3) (or .cse3 .cse4)))) .cse8) .cse9) (or .cse10 (and .cse8 (or .cse1 (let ((.cse11 (let ((.cse12 (and .cse13 .cse6))) (and (or .cse12 .cse7) (or .cse12 .cse5))))) (and (or .cse2 .cse11) (or .cse11 .cse4)))) (or .cse14 (let ((.cse15 (and (or .cse13 .cse7) (or .cse13 .cse5)))) (and (or .cse15 .cse4) (or .cse2 .cse15)))))))) (let ((.cse16 (fp.eq c_~var_1_5~0 c_~var_1_5~0))) (or (and .cse16 .cse0) (let ((.cse23 (and .cse5 .cse7))) (let ((.cse18 (not .cse6)) (.cse19 (or .cse2 .cse23)) (.cse20 (or .cse23 .cse4))) (and (or (and (or .cse14 (let ((.cse17 (and (or .cse5 .cse18) (or .cse18 .cse7)))) (and .cse8 (or .cse17 .cse2) (or .cse17 .cse4)))) (or (and .cse19 .cse20 .cse8) (and .cse16 .cse1))) .cse9) (or .cse10 (and .cse8 (or .cse14 (let ((.cse21 (let ((.cse22 (and .cse13 .cse18))) (and (or .cse22 .cse7) (or .cse22 .cse5))))) (and (or .cse2 .cse21) (or .cse4 .cse21)))) (or (and .cse19 .cse20) .cse1)))))))))))) is different from true [2024-11-28 03:29:59,870 WARN L286 SmtUtils]: Spent 5.74s 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 03:30:05,357 WARN L286 SmtUtils]: Spent 5.49s 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 03:30:15,865 WARN L286 SmtUtils]: Spent 5.22s 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 03:30:25,186 WARN L286 SmtUtils]: Spent 5.00s 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 03:30:43,825 WARN L286 SmtUtils]: Spent 5.99s 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 03:31:00,249 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse17 ((_ sign_extend 24) c_~var_1_12~0)) (.cse16 ((_ sign_extend 24) c_~var_1_13~0)) (.cse18 ((_ sign_extend 24) c_~var_1_11~0))) (let ((.cse5 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse18))) ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse2 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse17 .cse16 (_ bv4294967264 32)))) .cse18)) (.cse12 (fp.eq c_~var_1_18~0 c_~var_1_18~0))) (let ((.cse0 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse17 (_ bv4294967274 32)))) .cse18)) (.cse10 (not (= .cse17 ((_ sign_extend 24) |c_ULTIMATE.start_step_~stepLocal_1~0#1|)))) (.cse1 (not .cse12)) (.cse11 (not .cse2)) (.cse9 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse3 (not .cse5)) (.cse8 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_18~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse6 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_18~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0))))) (.cse7 (bvslt (_ bv10 32) .cse16))) (and (or (not .cse0) (and (or .cse1 (and (or .cse2 (let ((.cse4 (and (or .cse6 .cse7) (or .cse8 .cse7)))) (and (or .cse3 .cse4) (or .cse4 .cse5)))) .cse9)) (or (and .cse9 (or .cse2 (and .cse10 .cse7)) (or .cse10 .cse11)) .cse12))) (or .cse0 (let ((.cse13 (not .cse7))) (and (or (and .cse10 .cse2 .cse9 .cse13) .cse12) (or .cse1 (and (or .cse11 (let ((.cse14 (and (or .cse8 .cse13) (or .cse6 .cse13)))) (and (or .cse3 .cse14) .cse9 (or .cse14 .cse5)))) (or (let ((.cse15 (and .cse8 .cse6))) (and (or .cse5 .cse15) .cse9 (or .cse3 .cse15))) .cse2)))))))))) is different from true [2024-11-28 03:31:10,015 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:31:10,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143077264] [2024-11-28 03:31:10,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143077264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:31:10,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1685144210] [2024-11-28 03:31:10,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:10,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-28 03:31:10,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 [2024-11-28 03:31:10,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-28 03:31:10,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea19d1c-ff4b-48a2-abfa-b07885594d44/bin/uautomizer-verify-aQ6SnzHsRB/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-28 03:31:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:11,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-28 03:31:11,712 INFO L279 TraceCheckSpWp]: Computing forward predicates...