./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-15.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_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 81143949f75ddda64f3ca7f4a11029597221ce34cf18960938098d5823ce61eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:44:17,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:44:17,625 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 11:44:17,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:44:17,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:44:17,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:44:17,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:44:17,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:44:17,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:44:17,651 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:44:17,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:44:17,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:44:17,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:44:17,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:44:17,651 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:44:17,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:44:17,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:44:17,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:44:17,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:44:17,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:44:17,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:44:17,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:44:17,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:44:17,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:44:17,652 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:44:17,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:44:17,653 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:44:17,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:44:17,653 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:44:17,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:44:17,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:44:17,653 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:44:17,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:44:17,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:44:17,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:44:17,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:44:17,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:44:17,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:44:17,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:44:17,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:44:17,654 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:44:17,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:44:17,654 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:44:17,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:44:17,654 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:44:17,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:44:17,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:44:17,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:44:17,655 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_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 -> 81143949f75ddda64f3ca7f4a11029597221ce34cf18960938098d5823ce61eb [2024-12-02 11:44:17,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:44:17,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:44:17,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:44:17,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:44:17,882 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:44:17,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-15.i [2024-12-02 11:44:20,520 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/data/d9de658fa/448f6d92c3d54f198f6a4446c0c1da2f/FLAG11ce9c1a3 [2024-12-02 11:44:20,731 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:44:20,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-15.i [2024-12-02 11:44:20,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/data/d9de658fa/448f6d92c3d54f198f6a4446c0c1da2f/FLAG11ce9c1a3 [2024-12-02 11:44:21,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/data/d9de658fa/448f6d92c3d54f198f6a4446c0c1da2f [2024-12-02 11:44:21,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:44:21,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:44:21,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:44:21,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:44:21,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:44:21,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2869f8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21, skipping insertion in model container [2024-12-02 11:44:21,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,123 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:44:21,233 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_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-15.i[915,928] [2024-12-02 11:44:21,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:44:21,287 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:44:21,295 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_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-15.i[915,928] [2024-12-02 11:44:21,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:44:21,334 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:44:21,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21 WrapperNode [2024-12-02 11:44:21,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:44:21,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:44:21,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:44:21,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:44:21,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,368 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2024-12-02 11:44:21,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:44:21,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:44:21,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:44:21,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:44:21,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,378 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,388 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 11:44:21,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,394 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:44:21,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:44:21,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:44:21,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:44:21,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (1/1) ... [2024-12-02 11:44:21,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:44:21,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:44:21,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:44:21,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:44:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:44:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:44:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:44:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:44:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:44:21,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:44:21,509 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:44:21,511 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:44:21,738 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-02 11:44:21,738 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:44:21,748 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:44:21,748 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:44:21,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:21 BoogieIcfgContainer [2024-12-02 11:44:21,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:44:21,751 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:44:21,751 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:44:21,755 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:44:21,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:44:21" (1/3) ... [2024-12-02 11:44:21,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bfbed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:44:21, skipping insertion in model container [2024-12-02 11:44:21,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:21" (2/3) ... [2024-12-02 11:44:21,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bfbed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:44:21, skipping insertion in model container [2024-12-02 11:44:21,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:21" (3/3) ... [2024-12-02 11:44:21,757 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-15.i [2024-12-02 11:44:21,768 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:44:21,769 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-15.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:44:21,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:44:21,821 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;@be9cb43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:44:21,821 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:44:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 11:44:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 11:44:21,832 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:44:21,833 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:44:21,833 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:44:21,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:44:21,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1839978573, now seen corresponding path program 1 times [2024-12-02 11:44:21,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:44:21,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830716602] [2024-12-02 11:44:21,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:44:21,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:44:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:44:22,060 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 11:44:22,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:44:22,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830716602] [2024-12-02 11:44:22,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830716602] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 11:44:22,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826062075] [2024-12-02 11:44:22,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:44:22,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:44:22,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:44:22,065 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:44:22,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:44:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:44:22,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:44:22,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:44:22,255 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-12-02 11:44:22,255 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:44:22,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826062075] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:44:22,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 11:44:22,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 11:44:22,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416246776] [2024-12-02 11:44:22,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:44:22,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:44:22,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:44:22,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:44:22,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:44:22,281 INFO L87 Difference]: Start difference. First operand has 67 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 11:44:22,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:44:22,300 INFO L93 Difference]: Finished difference Result 127 states and 214 transitions. [2024-12-02 11:44:22,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:44:22,302 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2024-12-02 11:44:22,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:44:22,307 INFO L225 Difference]: With dead ends: 127 [2024-12-02 11:44:22,308 INFO L226 Difference]: Without dead ends: 63 [2024-12-02 11:44:22,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 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 11:44:22,313 INFO L435 NwaCegarLoop]: 93 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, 93 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 11:44:22,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:44:22,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-12-02 11:44:22,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-12-02 11:44:22,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 11:44:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 93 transitions. [2024-12-02 11:44:22,345 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 93 transitions. Word has length 132 [2024-12-02 11:44:22,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:44:22,346 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 93 transitions. [2024-12-02 11:44:22,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 11:44:22,346 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2024-12-02 11:44:22,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 11:44:22,348 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:44:22,348 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:44:22,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:44:22,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 11:44:22,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:44:22,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:44:22,550 INFO L85 PathProgramCache]: Analyzing trace with hash 2103523225, now seen corresponding path program 1 times [2024-12-02 11:44:22,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:44:22,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625443165] [2024-12-02 11:44:22,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:44:22,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:44:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:44:22,849 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 11:44:22,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:44:22,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625443165] [2024-12-02 11:44:22,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625443165] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:44:22,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:44:22,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:44:22,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858160406] [2024-12-02 11:44:22,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:44:22,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:44:22,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:44:22,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:44:22,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:44:22,852 INFO L87 Difference]: Start difference. First operand 63 states and 93 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 11:44:23,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:44:23,037 INFO L93 Difference]: Finished difference Result 185 states and 275 transitions. [2024-12-02 11:44:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:44:23,038 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 132 [2024-12-02 11:44:23,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:44:23,040 INFO L225 Difference]: With dead ends: 185 [2024-12-02 11:44:23,040 INFO L226 Difference]: Without dead ends: 125 [2024-12-02 11:44:23,040 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 11:44:23,041 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 60 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:44:23,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 252 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:44:23,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-12-02 11:44:23,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 103. [2024-12-02 11:44:23,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 60 states have (on average 1.2) internal successors, (72), 60 states have internal predecessors, (72), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 11:44:23,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2024-12-02 11:44:23,065 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 132 [2024-12-02 11:44:23,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:44:23,066 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2024-12-02 11:44:23,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 11:44:23,066 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2024-12-02 11:44:23,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 11:44:23,068 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:44:23,068 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:44:23,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:44:23,069 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:44:23,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:44:23,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1914306128, now seen corresponding path program 1 times [2024-12-02 11:44:23,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:44:23,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064361793] [2024-12-02 11:44:23,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:44:23,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:44:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:44:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 11:44:23,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:44:23,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064361793] [2024-12-02 11:44:23,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064361793] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:44:23,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:44:23,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:44:23,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544588216] [2024-12-02 11:44:23,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:44:23,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:44:23,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:44:23,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:44:23,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:44:23,384 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 11:44:23,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:44:23,568 INFO L93 Difference]: Finished difference Result 258 states and 375 transitions. [2024-12-02 11:44:23,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:44:23,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2024-12-02 11:44:23,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:44:23,571 INFO L225 Difference]: With dead ends: 258 [2024-12-02 11:44:23,571 INFO L226 Difference]: Without dead ends: 198 [2024-12-02 11:44:23,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:44:23,572 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 125 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 11:44:23,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 234 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 11:44:23,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-12-02 11:44:23,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 159. [2024-12-02 11:44:23,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 100 states have (on average 1.23) internal successors, (123), 101 states have internal predecessors, (123), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-02 11:44:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 231 transitions. [2024-12-02 11:44:23,604 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 231 transitions. Word has length 133 [2024-12-02 11:44:23,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:44:23,605 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 231 transitions. [2024-12-02 11:44:23,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 11:44:23,605 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 231 transitions. [2024-12-02 11:44:23,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 11:44:23,607 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:44:23,607 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:44:23,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:44:23,608 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:44:23,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:44:23,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1234247758, now seen corresponding path program 1 times [2024-12-02 11:44:23,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:44:23,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215573596] [2024-12-02 11:44:23,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:44:23,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:44:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:44:23,669 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:44:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:44:23,749 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:44:23,749 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:44:23,750 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 11:44:23,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:44:23,753 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 11:44:23,822 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:44:23,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:44:23 BoogieIcfgContainer [2024-12-02 11:44:23,825 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:44:23,826 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:44:23,826 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:44:23,826 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:44:23,826 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:21" (3/4) ... [2024-12-02 11:44:23,828 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 11:44:23,829 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:44:23,829 INFO L158 Benchmark]: Toolchain (without parser) took 2729.99ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 66.9MB in the end (delta: 49.3MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-02 11:44:23,830 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:44:23,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.70ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 102.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:44:23,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.97ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 100.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:44:23,830 INFO L158 Benchmark]: Boogie Preprocessor took 33.71ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 97.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:44:23,831 INFO L158 Benchmark]: RCFGBuilder took 345.67ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 80.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:44:23,831 INFO L158 Benchmark]: TraceAbstraction took 2074.06ms. Allocated memory is still 142.6MB. Free memory was 79.7MB in the beginning and 66.9MB in the end (delta: 12.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-12-02 11:44:23,831 INFO L158 Benchmark]: Witness Printer took 3.18ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 66.9MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:44:23,833 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.70ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 102.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.97ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 100.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.71ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 97.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.67ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 80.3MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2074.06ms. Allocated memory is still 142.6MB. Free memory was 79.7MB in the beginning and 66.9MB in the end (delta: 12.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 3.18ms. Allocated memory is still 142.6MB. Free memory was 66.9MB in the beginning and 66.9MB in the end (delta: 17.7kB). 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 someBinaryArithmeticDOUBLEoperation at line 55, overapproximation of someBinaryFLOATComparisonOperation at line 116, overapproximation of someBinaryFLOATComparisonOperation at line 114, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 137, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someUnaryDOUBLEoperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 118. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] float var_1_3 = 32.4; [L24] float var_1_4 = 49.2; [L25] signed short int var_1_7 = 10; [L26] signed short int var_1_8 = 64; [L27] signed short int var_1_9 = 256; [L28] signed char var_1_10 = -5; [L29] signed char var_1_11 = 5; [L30] double var_1_12 = 256.4; [L31] float var_1_13 = 2.6; [L32] float var_1_14 = 128.125; [L33] double var_1_15 = 32.5; [L34] double var_1_16 = 10000000000.25; [L35] signed char var_1_17 = -5; [L36] unsigned char var_1_19 = 0; [L37] unsigned char var_1_20 = 0; [L38] signed long int var_1_21 = 1; [L39] signed short int var_1_22 = 17178; [L40] signed short int var_1_23 = 5; [L41] signed long int var_1_25 = -4; [L42] signed char last_1_var_1_10 = -5; [L43] signed long int last_1_var_1_21 = 1; [L44] signed long int last_1_var_1_25 = -4; VAL [isInitial=0, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_3=162/5, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L141] isInitial = 1 [L142] FCALL initially() [L144] CALL updateLastVariables() [L132] last_1_var_1_10 = var_1_10 [L133] last_1_var_1_21 = var_1_21 [L134] last_1_var_1_25 = var_1_25 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_3=162/5, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L144] RET updateLastVariables() [L145] CALL updateVariables() [L97] var_1_3 = __VERIFIER_nondet_float() [L98] 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_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L98] 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_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L99] var_1_4 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=10, var_1_8=64, var_1_9=256] [L100] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=10, var_1_8=64, var_1_9=256] [L101] var_1_7 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=64, var_1_9=256] [L102] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=64, var_1_9=256] [L103] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=64, var_1_9=256] [L103] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=64, var_1_9=256] [L104] var_1_8 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_8 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=256] [L105] RET assume_abort_if_not(var_1_8 >= -1) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=256] [L106] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=256] [L106] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=256] [L107] var_1_9 = __VERIFIER_nondet_short() [L108] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L108] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L109] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L109] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L110] var_1_11 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L111] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L112] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L112] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L113] var_1_13 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L114] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L115] var_1_14 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L116] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L117] var_1_15 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_15 >= 0.0F && 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_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L118] RET assume_abort_if_not((var_1_15 >= 0.0F && 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_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L119] var_1_16 = __VERIFIER_nondet_double() [L120] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L120] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L121] var_1_20 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L122] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L123] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L123] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L124] var_1_22 = __VERIFIER_nondet_short() [L125] CALL assume_abort_if_not(var_1_22 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L125] RET assume_abort_if_not(var_1_22 >= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L126] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L126] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=5, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L127] var_1_23 = __VERIFIER_nondet_short() [L128] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L128] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L129] CALL assume_abort_if_not(var_1_23 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L129] RET assume_abort_if_not(var_1_23 <= 16384) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L145] RET updateVariables() [L146] CALL step() [L48] COND TRUE last_1_var_1_10 < last_1_var_1_25 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L49] COND TRUE var_1_11 <= last_1_var_1_25 [L50] var_1_19 = var_1_20 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L53] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L54] COND TRUE var_1_4 >= (var_1_3 * (var_1_13 + var_1_14)) [L55] var_1_12 = (((((var_1_15 - var_1_16)) < (-0.85)) ? ((var_1_15 - var_1_16)) : (-0.85))) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L59] unsigned char stepLocal_1 = var_1_19; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L60] COND FALSE !(var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L67] COND FALSE !(\read(var_1_19)) [L70] var_1_25 = var_1_10 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L72] unsigned char stepLocal_0 = var_1_12 > var_1_12; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_0=1, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L73] COND TRUE var_1_19 || stepLocal_0 [L74] var_1_1 = (var_1_17 + var_1_17) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L78] signed long int stepLocal_3 = var_1_22 + var_1_11; [L79] signed long int stepLocal_2 = (var_1_22 - var_1_23) - var_1_9; VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, stepLocal_2=-4, stepLocal_3=16380, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L80] COND FALSE !(\read(var_1_20)) [L93] var_1_21 = var_1_9 VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, stepLocal_1=0, stepLocal_2=-4, stepLocal_3=16380, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=4, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L146] RET step() [L147] CALL, EXPR property() [L137-L138] return (((((((var_1_19 || (var_1_12 > var_1_12)) ? (var_1_1 == ((signed short int) (var_1_17 + var_1_17))) : (var_1_1 == ((signed short int) ((((((var_1_7 + 1)) < (var_1_8)) ? ((var_1_7 + 1)) : (var_1_8))) - (24762 - var_1_9))))) && (var_1_10 == ((signed char) var_1_11))) && ((var_1_4 >= (var_1_3 * (var_1_13 + var_1_14))) ? (var_1_12 == ((double) (((((var_1_15 - var_1_16)) < (-0.85)) ? ((var_1_15 - var_1_16)) : (-0.85))))) : (var_1_12 == ((double) var_1_16)))) && ((var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) ? ((var_1_19 || var_1_19) ? (var_1_17 == ((signed char) var_1_11)) : (var_1_17 == ((signed char) var_1_11))) : 1)) && ((last_1_var_1_10 < last_1_var_1_25) ? ((var_1_11 <= last_1_var_1_25) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_20 ? ((var_1_10 < ((var_1_22 - var_1_23) - var_1_9)) ? (var_1_19 ? ((last_1_var_1_21 == (var_1_22 + var_1_11)) ? (var_1_21 == ((signed long int) var_1_1)) : 1) : (var_1_21 == ((signed long int) var_1_10))) : (var_1_21 == ((signed long int) var_1_11))) : (var_1_21 == ((signed long int) var_1_9)))) && (var_1_19 ? (var_1_25 == ((signed long int) (var_1_17 + ((((var_1_17) < (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))) ? (var_1_17) : (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))))))) : (var_1_25 == ((signed long int) var_1_10))) ; VAL [\result=0, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=4, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=4, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-4, var_1_11=-4, var_1_12=10000000005, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=4, var_1_22=16384, var_1_23=16384, var_1_25=-4, var_1_7=0, var_1_8=1, var_1_9=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 185 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 579 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 269 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 310 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=3, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 61 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 525 ConstructedInterpolants, 0 QuantifiedInterpolants, 817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 316 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 3002/3040 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 11:44:23,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 81143949f75ddda64f3ca7f4a11029597221ce34cf18960938098d5823ce61eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:44:25,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:44:25,814 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 11:44:25,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:44:25,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:44:25,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:44:25,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:44:25,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:44:25,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:44:25,847 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:44:25,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:44:25,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:44:25,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:44:25,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:44:25,848 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:44:25,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:44:25,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:44:25,848 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:44:25,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:44:25,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:44:25,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:44:25,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:44:25,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:44:25,848 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:44:25,849 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 11:44:25,849 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 11:44:25,849 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:44:25,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:44:25,849 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:44:25,849 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:44:25,849 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:44:25,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:44:25,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:44:25,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:44:25,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:44:25,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:44:25,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:44:25,850 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:44:25,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:44:25,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:44:25,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:44:25,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:44:25,850 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:44:25,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:44:25,850 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 11:44:25,850 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 11:44:25,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:44:25,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:44:25,851 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:44:25,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:44:25,851 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_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 -> 81143949f75ddda64f3ca7f4a11029597221ce34cf18960938098d5823ce61eb [2024-12-02 11:44:26,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:44:26,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:44:26,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:44:26,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:44:26,104 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:44:26,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-15.i [2024-12-02 11:44:28,762 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/data/b70c35127/e8e2157ae8d5485db8b043a6aaeea7c9/FLAG9c82c3233 [2024-12-02 11:44:28,936 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:44:28,937 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-15.i [2024-12-02 11:44:28,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/data/b70c35127/e8e2157ae8d5485db8b043a6aaeea7c9/FLAG9c82c3233 [2024-12-02 11:44:28,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/data/b70c35127/e8e2157ae8d5485db8b043a6aaeea7c9 [2024-12-02 11:44:28,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:44:28,962 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:44:28,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:44:28,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:44:28,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:44:28,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:28" (1/1) ... [2024-12-02 11:44:28,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e3e46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:28, skipping insertion in model container [2024-12-02 11:44:28,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:44:28" (1/1) ... [2024-12-02 11:44:28,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:44:29,113 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_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-15.i[915,928] [2024-12-02 11:44:29,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:44:29,173 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:44:29,183 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_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-15.i[915,928] [2024-12-02 11:44:29,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:44:29,224 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:44:29,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29 WrapperNode [2024-12-02 11:44:29,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:44:29,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:44:29,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:44:29,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:44:29,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,261 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2024-12-02 11:44:29,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:44:29,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:44:29,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:44:29,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:44:29,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,272 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,283 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 11:44:29,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,292 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:44:29,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:44:29,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:44:29,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:44:29,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (1/1) ... [2024-12-02 11:44:29,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:44:29,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:44:29,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:44:29,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:44:29,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:44:29,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 11:44:29,353 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 11:44:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 11:44:29,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:44:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:44:29,420 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:44:29,421 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:44:31,745 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-02 11:44:31,745 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:44:31,752 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:44:31,752 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 11:44:31,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:31 BoogieIcfgContainer [2024-12-02 11:44:31,752 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:44:31,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:44:31,753 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:44:31,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:44:31,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:44:28" (1/3) ... [2024-12-02 11:44:31,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ffa518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:44:31, skipping insertion in model container [2024-12-02 11:44:31,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:44:29" (2/3) ... [2024-12-02 11:44:31,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ffa518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:44:31, skipping insertion in model container [2024-12-02 11:44:31,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:44:31" (3/3) ... [2024-12-02 11:44:31,759 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-15.i [2024-12-02 11:44:31,773 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:44:31,775 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-15.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 11:44:31,814 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:44:31,824 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;@cf32ff7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:44:31,824 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 11:44:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 11:44:31,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 11:44:31,836 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:44:31,837 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:44:31,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:44:31,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:44:31,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1839978573, now seen corresponding path program 1 times [2024-12-02 11:44:31,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:44:31,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231936341] [2024-12-02 11:44:31,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:44:31,850 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 11:44:31,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:44:31,852 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:44:31,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:44:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:44:32,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 11:44:32,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:44:32,265 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2024-12-02 11:44:32,265 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:44:32,266 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:44:32,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231936341] [2024-12-02 11:44:32,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231936341] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:44:32,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:44:32,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 11:44:32,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126933071] [2024-12-02 11:44:32,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:44:32,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 11:44:32,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:44:32,286 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 11:44:32,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 11:44:32,289 INFO L87 Difference]: Start difference. First operand has 67 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 11:44:32,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:44:32,309 INFO L93 Difference]: Finished difference Result 127 states and 214 transitions. [2024-12-02 11:44:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 11:44:32,310 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2024-12-02 11:44:32,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:44:32,315 INFO L225 Difference]: With dead ends: 127 [2024-12-02 11:44:32,315 INFO L226 Difference]: Without dead ends: 63 [2024-12-02 11:44:32,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 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 11:44:32,319 INFO L435 NwaCegarLoop]: 93 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, 93 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 11:44:32,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 11:44:32,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-12-02 11:44:32,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-12-02 11:44:32,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-12-02 11:44:32,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 93 transitions. [2024-12-02 11:44:32,351 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 93 transitions. Word has length 132 [2024-12-02 11:44:32,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:44:32,351 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 93 transitions. [2024-12-02 11:44:32,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 11:44:32,352 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2024-12-02 11:44:32,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-02 11:44:32,354 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:44:32,355 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:44:32,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:44:32,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:44:32,555 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:44:32,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:44:32,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2103523225, now seen corresponding path program 1 times [2024-12-02 11:44:32,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:44:32,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267159781] [2024-12-02 11:44:32,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:44:32,557 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 11:44:32,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:44:32,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:44:32,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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)] Waiting until timeout for monitored process [2024-12-02 11:44:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:44:32,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:44:32,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:44:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 11:44:34,270 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:44:34,270 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:44:34,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267159781] [2024-12-02 11:44:34,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267159781] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:44:34,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:44:34,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:44:34,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583882730] [2024-12-02 11:44:34,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:44:34,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:44:34,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:44:34,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:44:34,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:44:34,273 INFO L87 Difference]: Start difference. First operand 63 states and 93 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 11:44:36,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:44:37,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:44:37,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:44:37,633 INFO L93 Difference]: Finished difference Result 184 states and 274 transitions. [2024-12-02 11:44:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:44:37,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 132 [2024-12-02 11:44:37,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:44:37,649 INFO L225 Difference]: With dead ends: 184 [2024-12-02 11:44:37,649 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 11:44:37,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:44:37,651 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 54 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-12-02 11:44:37,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 254 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-12-02 11:44:37,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 11:44:37,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103. [2024-12-02 11:44:37,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 60 states have (on average 1.2) internal successors, (72), 60 states have internal predecessors, (72), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 11:44:37,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2024-12-02 11:44:37,685 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 132 [2024-12-02 11:44:37,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:44:37,686 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2024-12-02 11:44:37,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 11:44:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2024-12-02 11:44:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 11:44:37,688 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:44:37,689 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:44:37,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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)] Forceful destruction successful, exit code 0 [2024-12-02 11:44:37,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:44:37,889 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:44:37,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:44:37,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1914306128, now seen corresponding path program 1 times [2024-12-02 11:44:37,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:44:37,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299741469] [2024-12-02 11:44:37,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:44:37,891 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 11:44:37,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:44:37,892 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:44:37,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:44:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:44:38,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:44:38,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:44:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-02 11:44:40,690 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:44:40,690 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:44:40,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299741469] [2024-12-02 11:44:40,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299741469] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:44:40,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:44:40,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:44:40,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141198905] [2024-12-02 11:44:40,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:44:40,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:44:40,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:44:40,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:44:40,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:44:40,691 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 11:44:42,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:44:44,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:44:52,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:53,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 11:44:53,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:44:53,893 INFO L93 Difference]: Finished difference Result 223 states and 332 transitions. [2024-12-02 11:44:53,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:44:53,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2024-12-02 11:44:53,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:44:53,905 INFO L225 Difference]: With dead ends: 223 [2024-12-02 11:44:53,905 INFO L226 Difference]: Without dead ends: 163 [2024-12-02 11:44:53,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:44:53,906 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 79 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-12-02 11:44:53,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 232 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2024-12-02 11:44:53,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-12-02 11:44:53,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 105. [2024-12-02 11:44:53,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 62 states have (on average 1.1935483870967742) internal successors, (74), 62 states have internal predecessors, (74), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 11:44:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 154 transitions. [2024-12-02 11:44:53,936 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 154 transitions. Word has length 133 [2024-12-02 11:44:53,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:44:53,936 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 154 transitions. [2024-12-02 11:44:53,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-12-02 11:44:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 154 transitions. [2024-12-02 11:44:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 11:44:53,939 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:44:53,939 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:44:53,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:44:54,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:44:54,140 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:44:54,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:44:54,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1656140690, now seen corresponding path program 1 times [2024-12-02 11:44:54,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:44:54,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385275523] [2024-12-02 11:44:54,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:44:54,141 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 11:44:54,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:44:54,142 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:44:54,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:44:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:44:54,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:44:54,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:44:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 336 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2024-12-02 11:44:55,438 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:44:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 18 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 11:44:56,104 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:44:56,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385275523] [2024-12-02 11:44:56,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385275523] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:44:56,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:44:56,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-12-02 11:44:56,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622320983] [2024-12-02 11:44:56,104 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:44:56,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 11:44:56,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:44:56,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 11:44:56,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-12-02 11:44:56,106 INFO L87 Difference]: Start difference. First operand 105 states and 154 transitions. Second operand has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-12-02 11:45:00,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:45:00,557 INFO L93 Difference]: Finished difference Result 243 states and 348 transitions. [2024-12-02 11:45:00,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-02 11:45:00,569 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 133 [2024-12-02 11:45:00,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:45:00,570 INFO L225 Difference]: With dead ends: 243 [2024-12-02 11:45:00,570 INFO L226 Difference]: Without dead ends: 181 [2024-12-02 11:45:00,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2024-12-02 11:45:00,571 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 280 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-12-02 11:45:00,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 264 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-12-02 11:45:00,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-12-02 11:45:00,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 111. [2024-12-02 11:45:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 66 states have (on average 1.1666666666666667) internal successors, (77), 66 states have internal predecessors, (77), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 11:45:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2024-12-02 11:45:00,598 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 133 [2024-12-02 11:45:00,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:45:00,599 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2024-12-02 11:45:00,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.545454545454546) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-12-02 11:45:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2024-12-02 11:45:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 11:45:00,601 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:45:00,601 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:45:00,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:45:00,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:45:00,802 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:45:00,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:45:00,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1836374913, now seen corresponding path program 1 times [2024-12-02 11:45:00,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:45:00,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59425105] [2024-12-02 11:45:00,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:45:00,803 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 11:45:00,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:45:00,804 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:45:00,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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)] Waiting until timeout for monitored process [2024-12-02 11:45:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:45:01,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:45:01,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:45:01,349 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 289 proven. 12 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-12-02 11:45:01,349 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:45:01,727 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 11:45:01,728 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:45:01,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59425105] [2024-12-02 11:45:01,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59425105] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:45:01,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:45:01,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-12-02 11:45:01,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908969760] [2024-12-02 11:45:01,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:45:01,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:45:01,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:45:01,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:45:01,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:45:01,730 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:45:04,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:45:04,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:45:04,308 INFO L93 Difference]: Finished difference Result 188 states and 257 transitions. [2024-12-02 11:45:04,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 11:45:04,320 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 134 [2024-12-02 11:45:04,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:45:04,321 INFO L225 Difference]: With dead ends: 188 [2024-12-02 11:45:04,321 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 11:45:04,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-12-02 11:45:04,322 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 148 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-12-02 11:45:04,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 150 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-12-02 11:45:04,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 11:45:04,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 116. [2024-12-02 11:45:04,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 69 states have (on average 1.0724637681159421) internal successors, (74), 69 states have internal predecessors, (74), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 11:45:04,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 154 transitions. [2024-12-02 11:45:04,348 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 154 transitions. Word has length 134 [2024-12-02 11:45:04,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:45:04,348 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 154 transitions. [2024-12-02 11:45:04,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:45:04,349 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 154 transitions. [2024-12-02 11:45:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 11:45:04,350 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:45:04,351 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:45:04,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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)] Ended with exit code 0 [2024-12-02 11:45:04,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:45:04,551 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:45:04,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:45:04,552 INFO L85 PathProgramCache]: Analyzing trace with hash 2123406273, now seen corresponding path program 1 times [2024-12-02 11:45:04,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:45:04,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1957629273] [2024-12-02 11:45:04,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:45:04,552 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 11:45:04,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:45:04,553 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:45:04,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:45:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:45:04,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:45:04,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:45:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 289 proven. 12 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-12-02 11:45:05,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 11:45:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-12-02 11:45:05,531 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:45:05,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1957629273] [2024-12-02 11:45:05,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1957629273] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 11:45:05,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 11:45:05,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2024-12-02 11:45:05,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431352875] [2024-12-02 11:45:05,531 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 11:45:05,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:45:05,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:45:05,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:45:05,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:45:05,533 INFO L87 Difference]: Start difference. First operand 116 states and 154 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:45:08,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 11:45:08,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 11:45:08,643 INFO L93 Difference]: Finished difference Result 189 states and 248 transitions. [2024-12-02 11:45:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 11:45:08,655 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 134 [2024-12-02 11:45:08,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 11:45:08,656 INFO L225 Difference]: With dead ends: 189 [2024-12-02 11:45:08,656 INFO L226 Difference]: Without dead ends: 124 [2024-12-02 11:45:08,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 259 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-12-02 11:45:08,657 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 107 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-12-02 11:45:08,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 151 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-12-02 11:45:08,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-12-02 11:45:08,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 116. [2024-12-02 11:45:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 69 states have internal predecessors, (73), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-12-02 11:45:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 153 transitions. [2024-12-02 11:45:08,680 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 153 transitions. Word has length 134 [2024-12-02 11:45:08,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 11:45:08,681 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 153 transitions. [2024-12-02 11:45:08,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 11:45:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 153 transitions. [2024-12-02 11:45:08,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 11:45:08,682 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 11:45:08,682 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:45:08,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:45:08,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:45:08,883 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 11:45:08,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:45:08,883 INFO L85 PathProgramCache]: Analyzing trace with hash -396553661, now seen corresponding path program 1 times [2024-12-02 11:45:08,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:45:08,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767076186] [2024-12-02 11:45:08,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:45:08,884 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 11:45:08,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 11:45:08,885 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 11:45:08,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7c8f9f5-a96c-49b3-9b80-8947de9df2cc/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 (8)] Waiting until timeout for monitored process [2024-12-02 11:45:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:45:09,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 11:45:09,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:45:45,287 WARN L286 SmtUtils]: Spent 12.58s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 11:46:53,754 WARN L286 SmtUtils]: Spent 9.57s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 11:47:42,612 WARN L286 SmtUtils]: Spent 17.26s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 11:48:53,315 WARN L286 SmtUtils]: Spent 15.67s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 11:50:15,654 WARN L286 SmtUtils]: Spent 18.58s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)