./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-47.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_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1 --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 8880d5fb97f96586e150a4d31f6d2c529a939137e2fcf1371235398ae486fc20 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:26:58,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:26:58,777 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 14:26:58,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:26:58,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:26:58,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:26:58,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:26:58,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:26:58,803 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:26:58,803 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:26:58,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:26:58,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:26:58,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:26:58,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:26:58,804 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:26:58,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:26:58,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:26:58,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:26:58,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:26:58,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:26:58,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:26:58,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:26:58,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:26:58,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:26:58,805 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:26:58,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:26:58,805 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:26:58,805 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:26:58,805 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:26:58,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:26:58,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:26:58,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:26:58,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:26:58,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:26:58,806 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:26:58,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:26:58,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:26:58,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:26:58,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:26:58,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:26:58,806 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:26:58,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:26:58,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:26:58,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:26:58,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:26:58,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:26:58,807 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:26:58,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:26:58,807 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_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1 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 -> 8880d5fb97f96586e150a4d31f6d2c529a939137e2fcf1371235398ae486fc20 [2024-12-02 14:26:59,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:26:59,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:26:59,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:26:59,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:26:59,046 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:26:59,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-47.i [2024-12-02 14:27:01,684 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/data/36ba1e9b3/15a22178bb8742a48661ca54f4fb6679/FLAG9fb73de97 [2024-12-02 14:27:01,887 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:27:01,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-47.i [2024-12-02 14:27:01,896 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/data/36ba1e9b3/15a22178bb8742a48661ca54f4fb6679/FLAG9fb73de97 [2024-12-02 14:27:02,245 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/data/36ba1e9b3/15a22178bb8742a48661ca54f4fb6679 [2024-12-02 14:27:02,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:27:02,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:27:02,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:27:02,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:27:02,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:27:02,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694e6357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02, skipping insertion in model container [2024-12-02 14:27:02,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,270 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:27:02,393 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_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-47.i[915,928] [2024-12-02 14:27:02,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:27:02,454 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:27:02,461 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_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-47.i[915,928] [2024-12-02 14:27:02,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:27:02,499 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:27:02,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02 WrapperNode [2024-12-02 14:27:02,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:27:02,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:27:02,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:27:02,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:27:02,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,514 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,545 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2024-12-02 14:27:02,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:27:02,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:27:02,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:27:02,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:27:02,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,558 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,575 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]. [2024-12-02 14:27:02,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,585 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:27:02,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:27:02,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:27:02,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:27:02,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (1/1) ... [2024-12-02 14:27:02,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:27:02,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:27:02,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:27:02,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:27:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:27:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:27:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:27:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:27:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:27:02,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:27:02,713 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:27:02,715 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:27:03,057 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-02 14:27:03,057 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:27:03,066 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:27:03,066 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:27:03,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:27:03 BoogieIcfgContainer [2024-12-02 14:27:03,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:27:03,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:27:03,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:27:03,073 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:27:03,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:27:02" (1/3) ... [2024-12-02 14:27:03,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11865b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:27:03, skipping insertion in model container [2024-12-02 14:27:03,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:02" (2/3) ... [2024-12-02 14:27:03,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11865b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:27:03, skipping insertion in model container [2024-12-02 14:27:03,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:27:03" (3/3) ... [2024-12-02 14:27:03,075 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-47.i [2024-12-02 14:27:03,085 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:27:03,087 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-47.i that has 2 procedures, 89 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:27:03,138 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:27:03,149 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;@2064f56d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:27:03,149 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:27:03,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 65 states have (on average 1.476923076923077) internal successors, (96), 66 states have internal predecessors, (96), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 14:27:03,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-12-02 14:27:03,161 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:27:03,162 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:27:03,162 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:27:03,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:27:03,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1126597033, now seen corresponding path program 1 times [2024-12-02 14:27:03,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:27:03,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857334276] [2024-12-02 14:27:03,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:03,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:27:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 14:27:03,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:27:03,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857334276] [2024-12-02 14:27:03,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857334276] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:27:03,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204162289] [2024-12-02 14:27:03,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:03,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:27:03,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:27:03,412 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:27:03,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 14:27:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:03,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 14:27:03,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:27:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 14:27:03,572 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:27:03,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204162289] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:27:03,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:27:03,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 14:27:03,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290484895] [2024-12-02 14:27:03,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:27:03,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 14:27:03,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:27:03,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 14:27:03,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:27:03,592 INFO L87 Difference]: Start difference. First operand has 89 states, 65 states have (on average 1.476923076923077) internal successors, (96), 66 states have internal predecessors, (96), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:27:03,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:27:03,612 INFO L93 Difference]: Finished difference Result 171 states and 291 transitions. [2024-12-02 14:27:03,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 14:27:03,613 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 140 [2024-12-02 14:27:03,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:27:03,617 INFO L225 Difference]: With dead ends: 171 [2024-12-02 14:27:03,617 INFO L226 Difference]: Without dead ends: 85 [2024-12-02 14:27:03,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 14:27:03,623 INFO L435 NwaCegarLoop]: 127 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, 127 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 [2024-12-02 14:27:03,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 14:27:03,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-12-02 14:27:03,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-12-02 14:27:03,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 62 states have internal predecessors, (85), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 14:27:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 127 transitions. [2024-12-02 14:27:03,654 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 127 transitions. Word has length 140 [2024-12-02 14:27:03,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:27:03,655 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 127 transitions. [2024-12-02 14:27:03,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:27:03,655 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2024-12-02 14:27:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 14:27:03,657 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:27:03,657 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:27:03,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 14:27:03,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:27:03,858 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:27:03,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:27:03,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1816447203, now seen corresponding path program 1 times [2024-12-02 14:27:03,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:27:03,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350381712] [2024-12-02 14:27:03,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:03,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:27:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:04,440 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 14:27:04,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:27:04,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350381712] [2024-12-02 14:27:04,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350381712] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:27:04,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:27:04,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 14:27:04,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721180095] [2024-12-02 14:27:04,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:27:04,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:27:04,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:27:04,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:27:04,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:27:04,444 INFO L87 Difference]: Start difference. First operand 85 states and 127 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:27:04,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:27:04,800 INFO L93 Difference]: Finished difference Result 363 states and 543 transitions. [2024-12-02 14:27:04,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:27:04,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 141 [2024-12-02 14:27:04,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:27:04,804 INFO L225 Difference]: With dead ends: 363 [2024-12-02 14:27:04,805 INFO L226 Difference]: Without dead ends: 281 [2024-12-02 14:27:04,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:27:04,806 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 303 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:27:04,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 514 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 14:27:04,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-12-02 14:27:04,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 177. [2024-12-02 14:27:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 132 states have (on average 1.371212121212121) internal successors, (181), 132 states have internal predecessors, (181), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 14:27:04,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 265 transitions. [2024-12-02 14:27:04,845 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 265 transitions. Word has length 141 [2024-12-02 14:27:04,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:27:04,846 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 265 transitions. [2024-12-02 14:27:04,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:27:04,846 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 265 transitions. [2024-12-02 14:27:04,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 14:27:04,848 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:27:04,848 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:27:04,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:27:04,849 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:27:04,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:27:04,849 INFO L85 PathProgramCache]: Analyzing trace with hash 789576351, now seen corresponding path program 1 times [2024-12-02 14:27:04,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:27:04,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584790582] [2024-12-02 14:27:04,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:04,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:27:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 14:27:05,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:27:05,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584790582] [2024-12-02 14:27:05,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584790582] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:27:05,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:27:05,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:27:05,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55678342] [2024-12-02 14:27:05,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:27:05,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:27:05,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:27:05,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:27:05,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:27:05,364 INFO L87 Difference]: Start difference. First operand 177 states and 265 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:27:05,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:27:05,587 INFO L93 Difference]: Finished difference Result 342 states and 509 transitions. [2024-12-02 14:27:05,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:27:05,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 141 [2024-12-02 14:27:05,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:27:05,590 INFO L225 Difference]: With dead ends: 342 [2024-12-02 14:27:05,590 INFO L226 Difference]: Without dead ends: 168 [2024-12-02 14:27:05,591 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:27:05,592 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 88 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:27:05,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 341 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:27:05,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-12-02 14:27:05,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 137. [2024-12-02 14:27:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 92 states have internal predecessors, (119), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 14:27:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 203 transitions. [2024-12-02 14:27:05,622 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 203 transitions. Word has length 141 [2024-12-02 14:27:05,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:27:05,622 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 203 transitions. [2024-12-02 14:27:05,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:27:05,623 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 203 transitions. [2024-12-02 14:27:05,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 14:27:05,624 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:27:05,625 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:27:05,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:27:05,625 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:27:05,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:27:05,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1594952904, now seen corresponding path program 1 times [2024-12-02 14:27:05,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:27:05,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507712307] [2024-12-02 14:27:05,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:05,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:27:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 14:27:06,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:27:06,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507712307] [2024-12-02 14:27:06,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507712307] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:27:06,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:27:06,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 14:27:06,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514623660] [2024-12-02 14:27:06,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:27:06,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 14:27:06,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:27:06,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 14:27:06,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:27:06,477 INFO L87 Difference]: Start difference. First operand 137 states and 203 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:27:07,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:27:07,337 INFO L93 Difference]: Finished difference Result 402 states and 598 transitions. [2024-12-02 14:27:07,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 14:27:07,337 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 143 [2024-12-02 14:27:07,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:27:07,341 INFO L225 Difference]: With dead ends: 402 [2024-12-02 14:27:07,341 INFO L226 Difference]: Without dead ends: 320 [2024-12-02 14:27:07,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:27:07,342 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 219 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 14:27:07,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 520 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 14:27:07,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-12-02 14:27:07,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 308. [2024-12-02 14:27:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 218 states have (on average 1.298165137614679) internal successors, (283), 219 states have internal predecessors, (283), 84 states have call successors, (84), 5 states have call predecessors, (84), 5 states have return successors, (84), 83 states have call predecessors, (84), 84 states have call successors, (84) [2024-12-02 14:27:07,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2024-12-02 14:27:07,397 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 143 [2024-12-02 14:27:07,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:27:07,398 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2024-12-02 14:27:07,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:27:07,398 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2024-12-02 14:27:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 14:27:07,400 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:27:07,400 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:27:07,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:27:07,400 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:27:07,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:27:07,401 INFO L85 PathProgramCache]: Analyzing trace with hash 872076683, now seen corresponding path program 1 times [2024-12-02 14:27:07,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:27:07,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332918381] [2024-12-02 14:27:07,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:07,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:27:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:08,279 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 114 proven. 48 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2024-12-02 14:27:08,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:27:08,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332918381] [2024-12-02 14:27:08,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332918381] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:27:08,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094622022] [2024-12-02 14:27:08,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:08,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:27:08,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:27:08,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:27:08,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 14:27:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:08,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 14:27:08,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:27:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 309 proven. 90 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-12-02 14:27:09,694 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:27:10,857 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 114 proven. 57 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2024-12-02 14:27:10,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094622022] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:27:10,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:27:10,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15, 12] total 32 [2024-12-02 14:27:10,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932512495] [2024-12-02 14:27:10,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:27:10,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-12-02 14:27:10,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:27:10,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-12-02 14:27:10,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=744, Unknown=0, NotChecked=0, Total=992 [2024-12-02 14:27:10,860 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand has 32 states, 30 states have (on average 4.266666666666667) internal successors, (128), 28 states have internal predecessors, (128), 9 states have call successors, (63), 5 states have call predecessors, (63), 11 states have return successors, (63), 12 states have call predecessors, (63), 9 states have call successors, (63) [2024-12-02 14:27:15,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:27:15,690 INFO L93 Difference]: Finished difference Result 915 states and 1278 transitions. [2024-12-02 14:27:15,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2024-12-02 14:27:15,691 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 30 states have (on average 4.266666666666667) internal successors, (128), 28 states have internal predecessors, (128), 9 states have call successors, (63), 5 states have call predecessors, (63), 11 states have return successors, (63), 12 states have call predecessors, (63), 9 states have call successors, (63) Word has length 144 [2024-12-02 14:27:15,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:27:15,694 INFO L225 Difference]: With dead ends: 915 [2024-12-02 14:27:15,695 INFO L226 Difference]: Without dead ends: 669 [2024-12-02 14:27:15,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4200 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2656, Invalid=10000, Unknown=0, NotChecked=0, Total=12656 [2024-12-02 14:27:15,697 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 1066 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 2924 mSolverCounterSat, 410 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1070 SdHoareTripleChecker+Valid, 2053 SdHoareTripleChecker+Invalid, 3334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 2924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:27:15,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1070 Valid, 2053 Invalid, 3334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [410 Valid, 2924 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 14:27:15,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-12-02 14:27:15,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 384. [2024-12-02 14:27:15,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 304 states have (on average 1.3125) internal successors, (399), 305 states have internal predecessors, (399), 65 states have call successors, (65), 14 states have call predecessors, (65), 14 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-12-02 14:27:15,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 529 transitions. [2024-12-02 14:27:15,769 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 529 transitions. Word has length 144 [2024-12-02 14:27:15,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:27:15,769 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 529 transitions. [2024-12-02 14:27:15,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 30 states have (on average 4.266666666666667) internal successors, (128), 28 states have internal predecessors, (128), 9 states have call successors, (63), 5 states have call predecessors, (63), 11 states have return successors, (63), 12 states have call predecessors, (63), 9 states have call successors, (63) [2024-12-02 14:27:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 529 transitions. [2024-12-02 14:27:15,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-12-02 14:27:15,771 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:27:15,771 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:27:15,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 14:27:15,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:27:15,972 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:27:15,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:27:15,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1663097356, now seen corresponding path program 1 times [2024-12-02 14:27:15,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:27:15,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540849578] [2024-12-02 14:27:15,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:15,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:27:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:16,089 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 14:27:16,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:27:16,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540849578] [2024-12-02 14:27:16,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540849578] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:27:16,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:27:16,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:27:16,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434776526] [2024-12-02 14:27:16,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:27:16,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:27:16,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:27:16,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:27:16,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:27:16,091 INFO L87 Difference]: Start difference. First operand 384 states and 529 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:27:16,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:27:16,239 INFO L93 Difference]: Finished difference Result 776 states and 1073 transitions. [2024-12-02 14:27:16,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 14:27:16,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 144 [2024-12-02 14:27:16,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:27:16,243 INFO L225 Difference]: With dead ends: 776 [2024-12-02 14:27:16,244 INFO L226 Difference]: Without dead ends: 601 [2024-12-02 14:27:16,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:27:16,245 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 106 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:27:16,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 437 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:27:16,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2024-12-02 14:27:16,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 418. [2024-12-02 14:27:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 338 states have (on average 1.2958579881656804) internal successors, (438), 339 states have internal predecessors, (438), 65 states have call successors, (65), 14 states have call predecessors, (65), 14 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-12-02 14:27:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 568 transitions. [2024-12-02 14:27:16,289 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 568 transitions. Word has length 144 [2024-12-02 14:27:16,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:27:16,289 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 568 transitions. [2024-12-02 14:27:16,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:27:16,290 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 568 transitions. [2024-12-02 14:27:16,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-02 14:27:16,291 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:27:16,291 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:27:16,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:27:16,291 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:27:16,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:27:16,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1260780451, now seen corresponding path program 1 times [2024-12-02 14:27:16,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:27:16,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823303366] [2024-12-02 14:27:16,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:16,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:27:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:16,562 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 14:27:16,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:27:16,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823303366] [2024-12-02 14:27:16,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823303366] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:27:16,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610411002] [2024-12-02 14:27:16,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:16,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:27:16,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:27:16,564 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:27:16,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 14:27:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:17,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 14:27:17,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:27:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 194 proven. 144 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2024-12-02 14:27:17,732 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:27:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 14:27:17,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610411002] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:27:17,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 14:27:17,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 6] total 21 [2024-12-02 14:27:17,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565889562] [2024-12-02 14:27:17,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 14:27:17,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 14:27:17,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:27:17,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 14:27:17,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2024-12-02 14:27:17,960 INFO L87 Difference]: Start difference. First operand 418 states and 568 transitions. Second operand has 21 states, 21 states have (on average 5.142857142857143) internal successors, (108), 20 states have internal predecessors, (108), 7 states have call successors, (63), 4 states have call predecessors, (63), 8 states have return successors, (63), 7 states have call predecessors, (63), 7 states have call successors, (63) [2024-12-02 14:27:18,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:27:18,500 INFO L93 Difference]: Finished difference Result 740 states and 1006 transitions. [2024-12-02 14:27:18,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 14:27:18,501 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.142857142857143) internal successors, (108), 20 states have internal predecessors, (108), 7 states have call successors, (63), 4 states have call predecessors, (63), 8 states have return successors, (63), 7 states have call predecessors, (63), 7 states have call successors, (63) Word has length 145 [2024-12-02 14:27:18,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:27:18,503 INFO L225 Difference]: With dead ends: 740 [2024-12-02 14:27:18,503 INFO L226 Difference]: Without dead ends: 396 [2024-12-02 14:27:18,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2024-12-02 14:27:18,504 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 377 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:27:18,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 778 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 14:27:18,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-12-02 14:27:18,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 385. [2024-12-02 14:27:18,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 305 states have (on average 1.278688524590164) internal successors, (390), 306 states have internal predecessors, (390), 65 states have call successors, (65), 14 states have call predecessors, (65), 14 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-12-02 14:27:18,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 520 transitions. [2024-12-02 14:27:18,562 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 520 transitions. Word has length 145 [2024-12-02 14:27:18,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:27:18,563 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 520 transitions. [2024-12-02 14:27:18,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.142857142857143) internal successors, (108), 20 states have internal predecessors, (108), 7 states have call successors, (63), 4 states have call predecessors, (63), 8 states have return successors, (63), 7 states have call predecessors, (63), 7 states have call successors, (63) [2024-12-02 14:27:18,563 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 520 transitions. [2024-12-02 14:27:18,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 14:27:18,565 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:27:18,565 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:27:18,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-02 14:27:18,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-12-02 14:27:18,765 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:27:18,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:27:18,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1267294736, now seen corresponding path program 1 times [2024-12-02 14:27:18,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:27:18,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638596404] [2024-12-02 14:27:18,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:18,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:27:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:27:18,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2069606862] [2024-12-02 14:27:18,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:18,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:27:18,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:27:18,822 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:27:18,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 14:27:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:18,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 14:27:18,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:27:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-12-02 14:27:19,532 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:27:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 14:27:22,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:27:22,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638596404] [2024-12-02 14:27:22,066 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-02 14:27:22,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069606862] [2024-12-02 14:27:22,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069606862] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 14:27:22,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:27:22,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-12-02 14:27:22,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801422006] [2024-12-02 14:27:22,067 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:27:22,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 14:27:22,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:27:22,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 14:27:22,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-12-02 14:27:22,068 INFO L87 Difference]: Start difference. First operand 385 states and 520 transitions. Second operand has 15 states, 15 states have (on average 6.066666666666666) internal successors, (91), 15 states have internal predecessors, (91), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2024-12-02 14:27:24,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:27:24,910 INFO L93 Difference]: Finished difference Result 862 states and 1165 transitions. [2024-12-02 14:27:24,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-02 14:27:24,911 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.066666666666666) internal successors, (91), 15 states have internal predecessors, (91), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 146 [2024-12-02 14:27:24,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:27:24,913 INFO L225 Difference]: With dead ends: 862 [2024-12-02 14:27:24,914 INFO L226 Difference]: Without dead ends: 557 [2024-12-02 14:27:24,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=244, Invalid=568, Unknown=0, NotChecked=0, Total=812 [2024-12-02 14:27:24,915 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 768 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 14:27:24,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 830 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 14:27:24,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-12-02 14:27:24,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 432. [2024-12-02 14:27:24,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 352 states have (on average 1.2897727272727273) internal successors, (454), 353 states have internal predecessors, (454), 65 states have call successors, (65), 14 states have call predecessors, (65), 14 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-12-02 14:27:24,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 584 transitions. [2024-12-02 14:27:24,986 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 584 transitions. Word has length 146 [2024-12-02 14:27:24,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:27:24,987 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 584 transitions. [2024-12-02 14:27:24,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.066666666666666) internal successors, (91), 15 states have internal predecessors, (91), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2024-12-02 14:27:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 584 transitions. [2024-12-02 14:27:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-12-02 14:27:24,988 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:27:24,989 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:27:24,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 14:27:25,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-02 14:27:25,189 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:27:25,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:27:25,190 INFO L85 PathProgramCache]: Analyzing trace with hash 507712626, now seen corresponding path program 1 times [2024-12-02 14:27:25,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:27:25,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770206950] [2024-12-02 14:27:25,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:25,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:27:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 14:27:25,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [825811800] [2024-12-02 14:27:25,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:25,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:27:25,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:27:25,259 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 14:27:25,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 14:27:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:27:25,842 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 14:27:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 14:27:25,940 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 14:27:25,940 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 14:27:25,941 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:27:25,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 14:27:26,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 14:27:26,145 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:27:26,212 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:27:26,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:27:26 BoogieIcfgContainer [2024-12-02 14:27:26,215 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:27:26,215 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:27:26,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:27:26,216 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:27:26,216 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:27:03" (3/4) ... [2024-12-02 14:27:26,218 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 14:27:26,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:27:26,220 INFO L158 Benchmark]: Toolchain (without parser) took 23972.26ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 92.3MB in the beginning and 81.9MB in the end (delta: 10.4MB). Peak memory consumption was 127.7MB. Max. memory is 16.1GB. [2024-12-02 14:27:26,220 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:27:26,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.41ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.6MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:27:26,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.07ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 73.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:27:26,221 INFO L158 Benchmark]: Boogie Preprocessor took 53.75ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 67.1MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 14:27:26,221 INFO L158 Benchmark]: RCFGBuilder took 467.09ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 40.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 14:27:26,221 INFO L158 Benchmark]: TraceAbstraction took 23145.96ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 40.4MB in the beginning and 81.9MB in the end (delta: -41.5MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-12-02 14:27:26,222 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 234.9MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:27:26,223 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.41ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 77.6MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.07ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 73.2MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.75ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 67.1MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 467.09ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 40.9MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 23145.96ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 40.4MB in the beginning and 81.9MB in the end (delta: -41.5MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 234.9MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 133, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 115, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of bitwiseOr at line 87, overapproximation of someBinaryDOUBLEComparisonOperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 133, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] double var_1_3 = 0.875; [L24] unsigned short int var_1_4 = 49926; [L25] unsigned short int var_1_5 = 500; [L26] unsigned short int var_1_6 = 10; [L27] unsigned char var_1_8 = 64; [L28] unsigned short int var_1_9 = 5; [L29] unsigned char var_1_11 = 10; [L30] float var_1_12 = 0.19999999999999996; [L31] float var_1_13 = 9.2; [L32] float var_1_14 = 5.8; [L33] float var_1_15 = 31.25; [L34] unsigned char var_1_16 = 1; [L35] unsigned char var_1_17 = 0; [L36] unsigned char var_1_18 = 0; [L37] unsigned char var_1_19 = 1; [L38] unsigned short int var_1_20 = 256; [L39] unsigned short int var_1_21 = 23544; [L40] unsigned long int var_1_22 = 64; [L41] unsigned char last_1_var_1_8 = 64; [L42] unsigned char last_1_var_1_19 = 1; [L43] unsigned short int last_1_var_1_20 = 256; [L44] unsigned long int last_1_var_1_22 = 64; VAL [isInitial=0, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=7/8, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L137] isInitial = 1 [L138] FCALL initially() [L140] CALL updateLastVariables() [L127] last_1_var_1_8 = var_1_8 [L128] last_1_var_1_19 = var_1_19 [L129] last_1_var_1_20 = var_1_20 [L130] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_3=7/8, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L140] RET updateLastVariables() [L141] CALL updateVariables() [L92] var_1_3 = __VERIFIER_nondet_double() [L93] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L93] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L94] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L94] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L95] var_1_4 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L96] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L97] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L97] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L98] var_1_5 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_6=10, var_1_8=64, var_1_9=5] [L99] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_6=10, var_1_8=64, var_1_9=5] [L100] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=10, var_1_8=64, var_1_9=5] [L100] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=10, var_1_8=64, var_1_9=5] [L101] var_1_6 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_8=64, var_1_9=5] [L102] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_8=64, var_1_9=5] [L103] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=5] [L103] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=5] [L104] var_1_9 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64] [L105] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64] [L106] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L106] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L107] var_1_11 = __VERIFIER_nondet_uchar() [L108] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L108] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L109] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L109] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L110] var_1_13 = __VERIFIER_nondet_float() [L111] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L111] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L112] var_1_14 = __VERIFIER_nondet_float() [L113] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L113] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L114] var_1_15 = __VERIFIER_nondet_float() [L115] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L115] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L116] var_1_17 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L117] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L118] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L118] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L119] var_1_18 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L120] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L121] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L121] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L122] var_1_21 = __VERIFIER_nondet_ushort() [L123] CALL assume_abort_if_not(var_1_21 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L123] RET assume_abort_if_not(var_1_21 >= 16383) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L124] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L124] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L141] RET updateVariables() [L142] CALL step() [L48] COND TRUE (last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22) [L49] var_1_16 = (last_1_var_1_19 || var_1_17) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L53] unsigned short int stepLocal_0 = var_1_5; VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=16383, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L54] COND FALSE !(stepLocal_0 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L59] unsigned short int stepLocal_2 = var_1_4; VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_2=114686, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L60] COND TRUE var_1_8 <= stepLocal_2 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L61] COND TRUE \read(var_1_16) [L62] var_1_20 = (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=16447, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L69] COND TRUE \read(var_1_16) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=16447, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L70] COND FALSE !((var_1_8 * var_1_8) < var_1_11) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=16447, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L76] COND TRUE var_1_12 >= (1.3 / var_1_3) [L77] var_1_1 = ((var_1_4 - var_1_8) - var_1_8) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=49022, var_1_20=16447, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L81] unsigned char stepLocal_1 = var_1_1 < 64; VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_1=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=49022, var_1_20=16447, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L82] COND TRUE \read(var_1_16) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_1=0, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=49022, var_1_20=16447, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L83] COND TRUE stepLocal_1 || var_1_16 [L84] var_1_19 = var_1_17 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=49022, var_1_20=16447, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L87] EXPR 2 ^ var_1_20 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=49022, var_1_20=16447, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L87] EXPR (((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20)) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=49022, var_1_20=16447, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L87] COND FALSE !(var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) [L142] RET step() [L143] CALL, EXPR property() [L133] EXPR (((((((var_1_12 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_8) - var_1_8))) : (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (last_1_var_1_19 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_16 ? (((var_1_8 * var_1_8) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22)) ? (var_1_16 == ((unsigned char) (last_1_var_1_19 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_16) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_8 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_8))))) && ((var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) ? (var_1_22 == ((unsigned long int) var_1_1)) : 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=49022, var_1_20=16447, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L133-L134] return (((((((var_1_12 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_8) - var_1_8))) : (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (last_1_var_1_19 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_16 ? (((var_1_8 * var_1_8) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22)) ? (var_1_16 == ((unsigned char) (last_1_var_1_19 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_16) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_8 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_8))))) && ((var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) ? (var_1_22 == ((unsigned long int) var_1_1)) : 1) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=49022, var_1_20=16447, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=0, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=49022, var_1_20=16447, var_1_21=32767, var_1_22=64, var_1_4=114686, var_1_5=16383, var_1_6=0, var_1_8=64, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.0s, OverallIterations: 9, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2941 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2927 mSDsluCounter, 5600 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4456 mSDsCounter, 882 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4836 IncrementalHoareTripleChecker+Invalid, 5718 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 882 mSolverCounterUnsat, 1144 mSDtfsCounter, 4836 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1188 GetRequests, 1004 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4569 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred in iteration=8, InterpolantAutomatonStates: 158, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 751 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 9.3s InterpolantComputationTime, 2011 NumberOfCodeBlocks, 2011 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1994 ConstructedInterpolants, 0 QuantifiedInterpolants, 11547 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1324 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 11165/11760 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 [2024-12-02 14:27:26,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1 --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 8880d5fb97f96586e150a4d31f6d2c529a939137e2fcf1371235398ae486fc20 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:27:28,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:27:28,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 14:27:28,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:27:28,244 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:27:28,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:27:28,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:27:28,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:27:28,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:27:28,267 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:27:28,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:27:28,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:27:28,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:27:28,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:27:28,268 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:27:28,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:27:28,269 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:27:28,270 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:27:28,270 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:27:28,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:27:28,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:27:28,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:27:28,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:27:28,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:27:28,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:27:28,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:27:28,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:27:28,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:27:28,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:27:28,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:27:28,272 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:27:28,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:27:28,272 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 14:27:28,272 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 14:27:28,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:27:28,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:27:28,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:27:28,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:27:28,272 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_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1 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 -> 8880d5fb97f96586e150a4d31f6d2c529a939137e2fcf1371235398ae486fc20 [2024-12-02 14:27:28,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:27:28,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:27:28,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:27:28,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:27:28,501 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:27:28,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-47.i [2024-12-02 14:27:31,127 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/data/9fee777a9/6b43e7003d9141eaaf1fd35c884ee644/FLAGe17669eb9 [2024-12-02 14:27:31,329 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:27:31,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-47.i [2024-12-02 14:27:31,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/data/9fee777a9/6b43e7003d9141eaaf1fd35c884ee644/FLAGe17669eb9 [2024-12-02 14:27:31,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/data/9fee777a9/6b43e7003d9141eaaf1fd35c884ee644 [2024-12-02 14:27:31,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:27:31,355 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:27:31,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:27:31,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:27:31,360 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:27:31,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1053a347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31, skipping insertion in model container [2024-12-02 14:27:31,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:27:31,501 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_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-47.i[915,928] [2024-12-02 14:27:31,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:27:31,559 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:27:31,567 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_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-47.i[915,928] [2024-12-02 14:27:31,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:27:31,608 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:27:31,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31 WrapperNode [2024-12-02 14:27:31,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:27:31,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:27:31,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:27:31,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:27:31,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,623 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,644 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2024-12-02 14:27:31,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:27:31,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:27:31,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:27:31,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:27:31,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,658 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,668 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]. [2024-12-02 14:27:31,669 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,669 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,677 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,680 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,686 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:27:31,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:27:31,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:27:31,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:27:31,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (1/1) ... [2024-12-02 14:27:31,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:27:31,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:27:31,715 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:27:31,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:27:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:27:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 14:27:31,741 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 14:27:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 14:27:31,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:27:31,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:27:31,810 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:27:31,811 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:27:43,742 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-02 14:27:43,742 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:27:43,752 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:27:43,752 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 14:27:43,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:27:43 BoogieIcfgContainer [2024-12-02 14:27:43,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:27:43,755 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:27:43,755 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:27:43,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:27:43,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:27:31" (1/3) ... [2024-12-02 14:27:43,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6222eb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:27:43, skipping insertion in model container [2024-12-02 14:27:43,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:31" (2/3) ... [2024-12-02 14:27:43,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6222eb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:27:43, skipping insertion in model container [2024-12-02 14:27:43,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:27:43" (3/3) ... [2024-12-02 14:27:43,761 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-47.i [2024-12-02 14:27:43,775 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:27:43,776 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-47.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:27:43,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:27:43,824 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;@59e375a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:27:43,824 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:27:43,828 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 14:27:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 14:27:43,839 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:27:43,840 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:27:43,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:27:43,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:27:43,845 INFO L85 PathProgramCache]: Analyzing trace with hash 742321370, now seen corresponding path program 1 times [2024-12-02 14:27:43,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:27:43,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1248233149] [2024-12-02 14:27:43,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:43,856 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 [2024-12-02 14:27:43,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:27:43,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:27:43,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:27:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:44,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:27:44,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:27:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-12-02 14:27:46,431 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:27:46,766 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:27:46,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1248233149] [2024-12-02 14:27:46,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1248233149] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:27:46,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1067144716] [2024-12-02 14:27:46,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:27:46,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:27:46,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:27:46,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:27:46,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-02 14:27:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:27:48,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 14:27:48,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:27:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 14:27:50,261 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:27:50,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1067144716] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:27:50,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:27:50,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-12-02 14:27:50,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545920535] [2024-12-02 14:27:50,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:27:50,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 14:27:50,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:27:50,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 14:27:50,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-12-02 14:27:50,283 INFO L87 Difference]: Start difference. First operand has 66 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:27:54,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:27:58,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:01,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:06,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:06,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:28:06,097 INFO L93 Difference]: Finished difference Result 291 states and 542 transitions. [2024-12-02 14:28:06,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 14:28:06,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2024-12-02 14:28:06,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:28:06,109 INFO L225 Difference]: With dead ends: 291 [2024-12-02 14:28:06,109 INFO L226 Difference]: Without dead ends: 228 [2024-12-02 14:28:06,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-12-02 14:28:06,115 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 225 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 133 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:28:06,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 472 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 35 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2024-12-02 14:28:06,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-12-02 14:28:06,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 131. [2024-12-02 14:28:06,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 86 states have (on average 1.313953488372093) internal successors, (113), 86 states have internal predecessors, (113), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 14:28:06,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 197 transitions. [2024-12-02 14:28:06,169 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 197 transitions. Word has length 136 [2024-12-02 14:28:06,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:28:06,170 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 197 transitions. [2024-12-02 14:28:06,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:28:06,170 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 197 transitions. [2024-12-02 14:28:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-02 14:28:06,173 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:28:06,173 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:28:06,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:28:06,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-02 14:28:06,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 14:28:06,574 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:28:06,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:28:06,575 INFO L85 PathProgramCache]: Analyzing trace with hash -268795880, now seen corresponding path program 1 times [2024-12-02 14:28:06,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:28:06,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [691173334] [2024-12-02 14:28:06,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:28:06,575 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 [2024-12-02 14:28:06,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:28:06,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:28:06,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 14:28:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:28:07,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 14:28:07,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:28:12,491 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 14:28:12,491 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:28:12,491 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:28:12,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [691173334] [2024-12-02 14:28:12,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [691173334] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:28:12,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:28:12,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:28:12,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620407953] [2024-12-02 14:28:12,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:28:12,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:28:12,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:28:12,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:28:12,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:28:12,494 INFO L87 Difference]: Start difference. First operand 131 states and 197 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:28:16,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:21,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:25,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:29,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:33,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:37,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:42,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:42,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:28:42,147 INFO L93 Difference]: Finished difference Result 253 states and 377 transitions. [2024-12-02 14:28:42,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:28:42,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2024-12-02 14:28:42,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:28:42,212 INFO L225 Difference]: With dead ends: 253 [2024-12-02 14:28:42,212 INFO L226 Difference]: Without dead ends: 125 [2024-12-02 14:28:42,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:28:42,214 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 54 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 43 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2024-12-02 14:28:42,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 251 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 19 Invalid, 7 Unknown, 0 Unchecked, 29.5s Time] [2024-12-02 14:28:42,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-12-02 14:28:42,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 114. [2024-12-02 14:28:42,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 69 states have (on average 1.2318840579710144) internal successors, (85), 69 states have internal predecessors, (85), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 14:28:42,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 169 transitions. [2024-12-02 14:28:42,236 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 169 transitions. Word has length 136 [2024-12-02 14:28:42,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:28:42,237 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 169 transitions. [2024-12-02 14:28:42,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:28:42,237 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 169 transitions. [2024-12-02 14:28:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 14:28:42,239 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:28:42,239 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:28:42,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 14:28:42,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:28:42,440 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:28:42,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:28:42,440 INFO L85 PathProgramCache]: Analyzing trace with hash -2123544737, now seen corresponding path program 1 times [2024-12-02 14:28:42,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:28:42,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1783919972] [2024-12-02 14:28:42,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:28:42,441 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 [2024-12-02 14:28:42,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:28:42,443 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:28:42,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 14:28:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:28:43,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:28:43,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:28:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-12-02 14:28:44,718 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:28:45,052 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:28:45,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1783919972] [2024-12-02 14:28:45,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1783919972] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:28:45,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2133774054] [2024-12-02 14:28:45,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:28:45,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:28:45,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:28:45,054 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:28:45,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-02 14:28:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:28:46,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 14:28:46,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:28:48,207 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 14:28:48,207 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 14:28:48,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2133774054] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:28:48,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 14:28:48,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-12-02 14:28:48,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736802013] [2024-12-02 14:28:48,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:28:48,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:28:48,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:28:48,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:28:48,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:28:48,209 INFO L87 Difference]: Start difference. First operand 114 states and 169 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:28:52,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:28:56,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:00,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:05,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:09,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:13,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:13,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:29:13,675 INFO L93 Difference]: Finished difference Result 245 states and 366 transitions. [2024-12-02 14:29:13,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:29:13,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 138 [2024-12-02 14:29:13,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:29:13,677 INFO L225 Difference]: With dead ends: 245 [2024-12-02 14:29:13,677 INFO L226 Difference]: Without dead ends: 182 [2024-12-02 14:29:13,677 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 14:29:13,678 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 23 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2024-12-02 14:29:13,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 164 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 6 Unknown, 0 Unchecked, 25.4s Time] [2024-12-02 14:29:13,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-12-02 14:29:13,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 180. [2024-12-02 14:29:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 113 states have (on average 1.2566371681415929) internal successors, (142), 113 states have internal predecessors, (142), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 14:29:13,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 268 transitions. [2024-12-02 14:29:13,706 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 268 transitions. Word has length 138 [2024-12-02 14:29:13,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:29:13,707 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 268 transitions. [2024-12-02 14:29:13,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 14:29:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 268 transitions. [2024-12-02 14:29:13,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 14:29:13,709 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:29:13,710 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:29:13,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 14:29:13,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-02 14:29:14,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 14:29:14,110 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:29:14,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:29:14,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1778395549, now seen corresponding path program 1 times [2024-12-02 14:29:14,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:29:14,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1900124630] [2024-12-02 14:29:14,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:29:14,111 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 [2024-12-02 14:29:14,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:29:14,113 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:29:14,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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 (7)] Waiting until timeout for monitored process [2024-12-02 14:29:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:29:14,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:29:14,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:29:16,439 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-12-02 14:29:16,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:29:16,781 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:29:16,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1900124630] [2024-12-02 14:29:16,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1900124630] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:29:16,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2108338313] [2024-12-02 14:29:16,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:29:16,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:29:16,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:29:16,783 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:29:16,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-02 14:29:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:29:18,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:29:18,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:29:19,772 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-12-02 14:29:19,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:29:19,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2108338313] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:29:19,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:29:19,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2024-12-02 14:29:19,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115944636] [2024-12-02 14:29:19,889 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:29:19,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:29:19,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:29:19,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:29:19,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 14:29:19,891 INFO L87 Difference]: Start difference. First operand 180 states and 268 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:29:25,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:29,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:32,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:36,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:40,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:44,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:48,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:52,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:29:52,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:29:52,912 INFO L93 Difference]: Finished difference Result 326 states and 476 transitions. [2024-12-02 14:29:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:29:52,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 138 [2024-12-02 14:29:52,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:29:52,998 INFO L225 Difference]: With dead ends: 326 [2024-12-02 14:29:52,998 INFO L226 Difference]: Without dead ends: 198 [2024-12-02 14:29:52,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-12-02 14:29:52,999 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 34 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2024-12-02 14:29:53,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 203 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 160 Invalid, 6 Unknown, 0 Unchecked, 32.8s Time] [2024-12-02 14:29:53,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-12-02 14:29:53,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 192. [2024-12-02 14:29:53,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 122 states have (on average 1.2049180327868851) internal successors, (147), 122 states have internal predecessors, (147), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 14:29:53,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 273 transitions. [2024-12-02 14:29:53,026 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 273 transitions. Word has length 138 [2024-12-02 14:29:53,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:29:53,027 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 273 transitions. [2024-12-02 14:29:53,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:29:53,027 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 273 transitions. [2024-12-02 14:29:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 14:29:53,029 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:29:53,029 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:29:53,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-02 14:29:53,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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 (7)] Ended with exit code 0 [2024-12-02 14:29:53,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 14:29:53,430 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:29:53,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:29:53,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1329040454, now seen corresponding path program 1 times [2024-12-02 14:29:53,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:29:53,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424815092] [2024-12-02 14:29:53,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:29:53,430 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 [2024-12-02 14:29:53,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:29:53,432 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:29:53,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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 (9)] Waiting until timeout for monitored process [2024-12-02 14:29:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:29:54,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 14:29:54,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:29:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-12-02 14:29:57,602 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:29:59,315 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 14:29:59,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424815092] [2024-12-02 14:29:59,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424815092] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:29:59,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2060351568] [2024-12-02 14:29:59,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:29:59,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 14:29:59,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 14:29:59,318 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 14:29:59,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-02 14:30:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:30:01,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 14:30:01,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:30:04,310 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2024-12-02 14:30:04,310 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 14:30:05,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2060351568] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 14:30:05,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 14:30:05,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-12-02 14:30:05,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464744931] [2024-12-02 14:30:05,893 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 14:30:05,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:30:05,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 14:30:05,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:30:05,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 14:30:05,894 INFO L87 Difference]: Start difference. First operand 192 states and 273 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:30:11,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:30:15,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:30:18,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:30:23,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:30:25,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:30:29,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:30:33,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:30:37,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:30:41,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:30:45,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:30:49,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:30:53,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:30:58,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:31:02,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:31:05,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 14:31:05,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:31:05,368 INFO L93 Difference]: Finished difference Result 322 states and 460 transitions. [2024-12-02 14:31:05,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 14:31:05,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2024-12-02 14:31:05,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:31:05,370 INFO L225 Difference]: With dead ends: 322 [2024-12-02 14:31:05,370 INFO L226 Difference]: Without dead ends: 198 [2024-12-02 14:31:05,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-12-02 14:31:05,371 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 37 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 6 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:31:05,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 210 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 143 Invalid, 11 Unknown, 0 Unchecked, 59.2s Time] [2024-12-02 14:31:05,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-12-02 14:31:05,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 192. [2024-12-02 14:31:05,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 122 states have (on average 1.1967213114754098) internal successors, (146), 122 states have internal predecessors, (146), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-12-02 14:31:05,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 272 transitions. [2024-12-02 14:31:05,393 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 272 transitions. Word has length 139 [2024-12-02 14:31:05,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:31:05,393 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 272 transitions. [2024-12-02 14:31:05,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 14:31:05,394 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 272 transitions. [2024-12-02 14:31:05,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-02 14:31:05,395 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:31:05,395 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:31:05,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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 (9)] Forceful destruction successful, exit code 0 [2024-12-02 14:31:05,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-02 14:31:05,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt [2024-12-02 14:31:05,796 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:31:05,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:31:05,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1330887496, now seen corresponding path program 1 times [2024-12-02 14:31:05,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 14:31:05,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279249454] [2024-12-02 14:31:05,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:31:05,797 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 [2024-12-02 14:31:05,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 14:31:05,799 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 14:31:05,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51c6894-9bb5-422e-8ca9-07f8afa1a92a/bin/uautomizer-verify-84ZbGMXZE1/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 (11)] Waiting until timeout for monitored process [2024-12-02 14:31:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:31:06,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 14:31:06,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 14:31:30,686 WARN L286 SmtUtils]: Spent 7.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:31:38,911 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:31:47,144 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:31:55,367 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:03,612 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:11,738 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:19,306 WARN L286 SmtUtils]: Spent 7.57s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:27,531 WARN L286 SmtUtils]: Spent 8.22s 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) [2024-12-02 14:32:35,229 WARN L286 SmtUtils]: Spent 7.70s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:43,460 WARN L286 SmtUtils]: Spent 8.23s 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) [2024-12-02 14:32:50,131 WARN L286 SmtUtils]: Spent 6.67s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:32:57,686 WARN L286 SmtUtils]: Spent 7.55s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:05,917 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:14,147 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:22,394 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:30,625 WARN L286 SmtUtils]: Spent 8.23s 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) [2024-12-02 14:33:38,856 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:47,091 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:55,320 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:33:59,386 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 16) c_~var_1_6~0)) (.cse7 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse0 ((_ zero_extend 16) c_~var_1_5~0)) (.cse2 (bvslt .cse1 .cse7)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= (_ bv64 8) c_~last_1_var_1_8~0) (= (_ bv256 16) c_~last_1_var_1_20~0) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= (_ bv64 8) c_~var_1_8~0) (= (_ bv1 8) c_~var_1_16~0) (bvsle .cse0 (_ bv16383 32)) (or (not (bvsge .cse0 (bvadd (bvneg .cse1) (_ bv32796 32)))) (not .cse2)) (let ((.cse6 (bvadd ((_ zero_extend 16) c_~var_1_21~0) (_ bv4294967232 32)))) (let ((.cse3 (bvneg .cse6)) (.cse5 (bvslt .cse6 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvadd .cse3 .cse4)) c_~var_1_20~0) (not .cse5)) (and (= ((_ extract 15 0) (bvadd .cse4 (bvneg .cse3))) c_~var_1_20~0) .cse5)))) (or (not (bvsge .cse0 (bvadd (_ bv32796 32) (bvneg .cse7)))) .cse2) (bvsge .cse4 (_ bv49150 32)) (= c_~last_1_var_1_19~0 (_ bv1 8)) (= (_ bv64 32) c_~var_1_22~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 (_ bv4294967168 32)))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))))) is different from false [2024-12-02 14:34:03,452 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 16) c_~var_1_6~0)) (.cse7 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse0 ((_ zero_extend 16) c_~var_1_5~0)) (.cse2 (bvslt .cse1 .cse7)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= (_ bv64 8) c_~last_1_var_1_8~0) (= (_ bv256 16) c_~last_1_var_1_20~0) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= (_ bv64 8) c_~var_1_8~0) (= (_ bv1 8) c_~var_1_16~0) (bvsle .cse0 (_ bv16383 32)) (or (not (bvsge .cse0 (bvadd (bvneg .cse1) (_ bv32796 32)))) (not .cse2)) (let ((.cse6 (bvadd ((_ zero_extend 16) c_~var_1_21~0) (_ bv4294967232 32)))) (let ((.cse3 (bvneg .cse6)) (.cse5 (bvslt .cse6 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvadd .cse3 .cse4)) c_~var_1_20~0) (not .cse5)) (and (= ((_ extract 15 0) (bvadd .cse4 (bvneg .cse3))) c_~var_1_20~0) .cse5)))) (or (not (bvsge .cse0 (bvadd (_ bv32796 32) (bvneg .cse7)))) .cse2) (bvsge .cse4 (_ bv49150 32)) (= c_~last_1_var_1_19~0 (_ bv1 8)) (= (_ bv64 32) c_~var_1_22~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 (_ bv4294967168 32)))) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))))) is different from true [2024-12-02 14:34:12,889 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:34:18,691 WARN L286 SmtUtils]: Spent 5.80s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:34:25,702 WARN L286 SmtUtils]: Spent 7.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:34:33,553 WARN L286 SmtUtils]: Spent 7.85s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:34:41,692 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:34:48,736 WARN L286 SmtUtils]: Spent 7.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:34:56,974 WARN L286 SmtUtils]: Spent 8.24s 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) [2024-12-02 14:35:05,202 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:35:13,440 WARN L286 SmtUtils]: Spent 8.24s 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) [2024-12-02 14:35:20,917 WARN L286 SmtUtils]: Spent 7.48s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:35:33,149 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:35:41,373 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:35:46,792 WARN L286 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:35:55,042 WARN L286 SmtUtils]: Spent 8.25s 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) [2024-12-02 14:36:03,270 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:36:11,134 WARN L286 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:36:19,343 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:36:27,576 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:36:35,529 WARN L286 SmtUtils]: Spent 7.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:36:42,180 WARN L286 SmtUtils]: Spent 6.65s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:36:53,787 WARN L286 SmtUtils]: Spent 6.69s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:36:58,826 WARN L286 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:37:07,041 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:37:15,252 WARN L286 SmtUtils]: Spent 8.21s 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) [2024-12-02 14:37:21,240 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:37:29,448 WARN L286 SmtUtils]: Spent 8.21s 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) [2024-12-02 14:37:35,022 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:37:43,253 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:37:51,489 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:37:59,227 WARN L286 SmtUtils]: Spent 7.74s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:38:07,138 WARN L286 SmtUtils]: Spent 7.91s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:38:15,351 WARN L286 SmtUtils]: Spent 8.21s 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) [2024-12-02 14:38:23,547 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:38:31,784 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:38:39,950 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:38:48,224 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:38:56,052 WARN L286 SmtUtils]: Spent 7.83s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:39:04,264 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:39:12,467 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:39:20,685 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:39:28,823 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:39:37,081 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:39:45,332 WARN L286 SmtUtils]: Spent 8.25s 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) [2024-12-02 14:39:53,577 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:40:00,138 WARN L286 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:40:06,618 WARN L286 SmtUtils]: Spent 6.48s 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) [2024-12-02 14:40:14,868 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:40:23,114 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:40:31,361 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:40:39,603 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:40:47,876 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:40:56,121 WARN L286 SmtUtils]: Spent 8.24s 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) [2024-12-02 14:41:04,372 WARN L286 SmtUtils]: Spent 8.25s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:41:16,588 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:41:20,650 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 16) c_~var_1_6~0)) (.cse7 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse0 ((_ zero_extend 16) c_~var_1_5~0)) (.cse2 (bvslt .cse1 .cse7)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= (_ bv64 8) c_~last_1_var_1_8~0) (= (_ bv256 16) c_~last_1_var_1_20~0) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= (_ bv64 8) c_~var_1_8~0) (= (_ bv1 8) c_~var_1_16~0) (bvsle .cse0 (_ bv16383 32)) (or (not (bvsge .cse0 (bvadd (bvneg .cse1) (_ bv32796 32)))) (not .cse2)) (let ((.cse6 (bvadd ((_ zero_extend 16) c_~var_1_21~0) (_ bv4294967232 32)))) (let ((.cse3 (bvneg .cse6)) (.cse5 (bvslt .cse6 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvadd .cse3 .cse4)) c_~var_1_20~0) (not .cse5)) (and (= ((_ extract 15 0) (bvadd .cse4 (bvneg .cse3))) c_~var_1_20~0) .cse5)))) (or (not (bvsge .cse0 (bvadd (_ bv32796 32) (bvneg .cse7)))) .cse2) (bvsge .cse4 (_ bv49150 32)) (= c_~last_1_var_1_19~0 (_ bv1 8)) (= (_ bv64 32) c_~var_1_22~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 (_ bv4294967168 32)))) (= c_~var_1_19~0 c_~var_1_17~0) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))))) is different from false [2024-12-02 14:41:24,714 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 16) c_~var_1_6~0)) (.cse7 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse0 ((_ zero_extend 16) c_~var_1_5~0)) (.cse2 (bvslt .cse1 .cse7)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= (_ bv64 8) c_~last_1_var_1_8~0) (= (_ bv256 16) c_~last_1_var_1_20~0) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= (_ bv64 8) c_~var_1_8~0) (= (_ bv1 8) c_~var_1_16~0) (bvsle .cse0 (_ bv16383 32)) (or (not (bvsge .cse0 (bvadd (bvneg .cse1) (_ bv32796 32)))) (not .cse2)) (let ((.cse6 (bvadd ((_ zero_extend 16) c_~var_1_21~0) (_ bv4294967232 32)))) (let ((.cse3 (bvneg .cse6)) (.cse5 (bvslt .cse6 (_ bv0 32)))) (or (and (= ((_ extract 15 0) (bvadd .cse3 .cse4)) c_~var_1_20~0) (not .cse5)) (and (= ((_ extract 15 0) (bvadd .cse4 (bvneg .cse3))) c_~var_1_20~0) .cse5)))) (or (not (bvsge .cse0 (bvadd (_ bv32796 32) (bvneg .cse7)))) .cse2) (bvsge .cse4 (_ bv49150 32)) (= c_~last_1_var_1_19~0 (_ bv1 8)) (= (_ bv64 32) c_~var_1_22~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd .cse4 (_ bv4294967168 32)))) (= c_~var_1_19~0 c_~var_1_17~0) (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))))) is different from true [2024-12-02 14:41:30,103 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:41:38,344 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:41:46,576 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 14:41:54,783 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)