./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.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_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6eb0cfbb054266a9226d16312abfcc1d80aab089c1be5e77f741f325dadb184f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:54:31,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:54:31,287 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 19:54:31,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:54:31,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:54:31,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:54:31,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:54:31,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:54:31,338 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:54:31,338 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:54:31,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:54:31,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:54:31,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:54:31,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:54:31,340 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:54:31,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:54:31,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:54:31,341 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:54:31,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:54:31,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:54:31,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:54:31,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:54:31,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:54:31,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:54:31,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:54:31,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:54:31,342 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:54:31,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:54:31,342 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:54:31,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:54:31,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:54:31,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:54:31,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:54:31,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:54:31,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:54:31,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:54:31,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:54:31,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:54:31,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:54:31,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:54:31,343 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:54:31,343 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:54:31,344 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:54:31,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:54:31,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:54:31,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:54:31,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:54:31,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:54:31,344 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_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb0cfbb054266a9226d16312abfcc1d80aab089c1be5e77f741f325dadb184f [2024-11-27 19:54:31,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:54:31,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:54:31,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:54:31,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:54:31,755 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:54:31,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i [2024-11-27 19:54:35,614 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/data/13df27deb/cca8f8adf0fb40409cb34e2e2e77e859/FLAGb55e18e43 [2024-11-27 19:54:36,040 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:54:36,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i [2024-11-27 19:54:36,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/data/13df27deb/cca8f8adf0fb40409cb34e2e2e77e859/FLAGb55e18e43 [2024-11-27 19:54:36,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/data/13df27deb/cca8f8adf0fb40409cb34e2e2e77e859 [2024-11-27 19:54:36,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:54:36,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:54:36,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:54:36,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:54:36,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:54:36,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7bdda0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36, skipping insertion in model container [2024-11-27 19:54:36,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:54:36,401 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_77abb280-8cd4-45a7-8fd4-45fe3412f906/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i[915,928] [2024-11-27 19:54:36,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:54:36,506 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:54:36,520 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_77abb280-8cd4-45a7-8fd4-45fe3412f906/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i[915,928] [2024-11-27 19:54:36,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:54:36,566 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:54:36,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36 WrapperNode [2024-11-27 19:54:36,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:54:36,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:54:36,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:54:36,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:54:36,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,622 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-27 19:54:36,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:54:36,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:54:36,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:54:36,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:54:36,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,651 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 19:54:36,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,651 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,657 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:54:36,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:54:36,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:54:36,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:54:36,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (1/1) ... [2024-11-27 19:54:36,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:54:36,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:54:36,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:54:36,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:54:36,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:54:36,760 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 19:54:36,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 19:54:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 19:54:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:54:36,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:54:36,865 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:54:36,868 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:54:37,149 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-27 19:54:37,149 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:54:37,167 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:54:37,167 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 19:54:37,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:54:37 BoogieIcfgContainer [2024-11-27 19:54:37,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:54:37,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:54:37,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:54:37,177 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:54:37,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:54:36" (1/3) ... [2024-11-27 19:54:37,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f09395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:54:37, skipping insertion in model container [2024-11-27 19:54:37,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:36" (2/3) ... [2024-11-27 19:54:37,179 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f09395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:54:37, skipping insertion in model container [2024-11-27 19:54:37,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:54:37" (3/3) ... [2024-11-27 19:54:37,181 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-62.i [2024-11-27 19:54:37,200 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:54:37,203 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-62.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 19:54:37,303 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:54:37,321 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;@2a67ad89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:54:37,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 19:54:37,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 19:54:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-27 19:54:37,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:37,339 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:54:37,340 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:54:37,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:37,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1017122564, now seen corresponding path program 1 times [2024-11-27 19:54:37,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:54:37,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884753751] [2024-11-27 19:54:37,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:37,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:37,642 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-27 19:54:37,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:54:37,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884753751] [2024-11-27 19:54:37,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884753751] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 19:54:37,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442919] [2024-11-27 19:54:37,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:37,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 19:54:37,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:54:37,647 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 19:54:37,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 19:54:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:37,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 19:54:37,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:54:37,918 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-27 19:54:37,918 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:54:37,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:54:37,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:54:37,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 19:54:37,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774570897] [2024-11-27 19:54:37,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:54:37,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 19:54:37,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:54:37,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 19:54:37,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:54:37,954 INFO L87 Difference]: Start difference. First operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 19:54:37,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:54:37,990 INFO L93 Difference]: Finished difference Result 91 states and 145 transitions. [2024-11-27 19:54:37,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 19:54:37,994 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-11-27 19:54:37,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:54:38,001 INFO L225 Difference]: With dead ends: 91 [2024-11-27 19:54:38,001 INFO L226 Difference]: Without dead ends: 43 [2024-11-27 19:54:38,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:54:38,009 INFO L435 NwaCegarLoop]: 64 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, 64 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:54:38,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:54:38,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-27 19:54:38,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-27 19:54:38,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 19:54:38,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2024-11-27 19:54:38,050 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 92 [2024-11-27 19:54:38,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:54:38,051 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2024-11-27 19:54:38,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 19:54:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-11-27 19:54:38,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-27 19:54:38,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:38,055 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:54:38,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 19:54:38,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 19:54:38,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:54:38,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:38,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1000603836, now seen corresponding path program 1 times [2024-11-27 19:54:38,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:54:38,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806651789] [2024-11-27 19:54:38,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:38,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:54:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:54:38,461 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 19:54:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 19:54:38,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 19:54:38,663 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 19:54:38,664 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 19:54:38,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:54:38,671 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-27 19:54:38,786 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 19:54:38,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 07:54:38 BoogieIcfgContainer [2024-11-27 19:54:38,795 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 19:54:38,796 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:54:38,799 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:54:38,800 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:54:38,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:54:37" (3/4) ... [2024-11-27 19:54:38,805 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 19:54:38,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:54:38,808 INFO L158 Benchmark]: Toolchain (without parser) took 2682.95ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 115.3MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-27 19:54:38,809 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:54:38,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.30ms. Allocated memory is still 167.8MB. Free memory was 128.9MB in the beginning and 116.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:54:38,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.14ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 114.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:54:38,811 INFO L158 Benchmark]: Boogie Preprocessor took 49.96ms. Allocated memory is still 167.8MB. Free memory was 114.8MB in the beginning and 113.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:54:38,813 INFO L158 Benchmark]: RCFGBuilder took 494.97ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 99.3MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:54:38,813 INFO L158 Benchmark]: TraceAbstraction took 1624.21ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 116.1MB in the end (delta: -17.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-27 19:54:38,816 INFO L158 Benchmark]: Witness Printer took 10.54ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 115.3MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:54:38,818 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.30ms. Allocated memory is still 167.8MB. Free memory was 128.9MB in the beginning and 116.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.14ms. Allocated memory is still 167.8MB. Free memory was 116.6MB in the beginning and 114.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.96ms. Allocated memory is still 167.8MB. Free memory was 114.8MB in the beginning and 113.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 494.97ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 99.3MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1624.21ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 116.1MB in the end (delta: -17.5MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * Witness Printer took 10.54ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 115.3MB in the end (delta: 41.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 53, overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] signed char var_1_2 = -128; [L24] unsigned char var_1_3 = 1; [L25] signed char var_1_4 = -5; [L26] unsigned char var_1_5 = 16; [L27] unsigned char var_1_9 = 25; [L28] float var_1_10 = 2.5; [L29] signed char var_1_11 = 1; [L30] signed char var_1_12 = 4; [L31] float var_1_13 = 7.75; [L32] float var_1_14 = 64.75; [L33] float var_1_15 = 256.52; [L34] float var_1_16 = 3.25; VAL [isInitial=0, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L91] isInitial = 1 [L92] FCALL initially() [L93] int k_loop; [L94] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L94] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L95] FCALL updateLastVariables() [L96] CALL updateVariables() [L60] var_1_3 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L61] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L62] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=-5, var_1_5=16, var_1_9=25] [L63] var_1_4 = __VERIFIER_nondet_char() [L64] CALL assume_abort_if_not(var_1_4 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=25] [L64] RET assume_abort_if_not(var_1_4 >= -126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=25] [L65] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=25] [L65] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=25] [L66] var_1_9 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16] [L67] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16] [L68] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L68] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=5/2, var_1_11=1, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L69] var_1_11 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L70] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L71] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L71] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=4, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L73] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L74] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L74] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_13=31/4, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L75] var_1_13 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L76] RET assume_abort_if_not((var_1_13 >= -230584.3009213691390e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 2305843.009213691390e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_14=259/4, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L77] var_1_14 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L78] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_15=6413/25, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L79] var_1_15 = __VERIFIER_nondet_float() [L80] 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, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L80] 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, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_16=13/4, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L81] var_1_16 = __VERIFIER_nondet_float() [L82] 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, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L82] 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, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_1=32, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L96] RET updateVariables() [L97] CALL step() [L38] var_1_1 = (16 - 2) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_1=14, var_1_2=-128, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L39] COND TRUE \read(var_1_3) [L40] var_1_2 = ((((-4) < 0 ) ? -(-4) : (-4))) VAL [isInitial=1, var_1_10=5/2, var_1_11=63, var_1_12=0, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L44] COND FALSE !(var_1_4 < ((16 + var_1_11) - var_1_12)) [L51] var_1_10 = var_1_14 VAL [isInitial=1, var_1_10=261, var_1_11=63, var_1_12=0, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=79, var_1_5=16, var_1_9=254] [L53] COND TRUE (var_1_10 * var_1_10) > var_1_10 [L54] var_1_5 = (((((25) < (5)) ? (25) : (5))) + 10) VAL [isInitial=1, var_1_10=261, var_1_11=63, var_1_12=0, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=79, var_1_5=15, var_1_9=254] [L97] RET step() [L98] CALL, EXPR property() [L87-L88] return (((var_1_1 == ((signed char) (16 - 2))) && (var_1_3 ? (var_1_2 == ((signed char) ((((-4) < 0 ) ? -(-4) : (-4))))) : (var_1_2 == ((signed char) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))))) && (((var_1_10 * var_1_10) > var_1_10) ? (var_1_5 == ((unsigned char) (((((25) < (5)) ? (25) : (5))) + 10))) : (var_1_5 == ((unsigned char) var_1_9)))) && ((var_1_4 < ((16 + var_1_11) - var_1_12)) ? (var_1_3 ? (var_1_10 == ((float) ((var_1_13 + 50.6f) + var_1_14))) : (var_1_10 == ((float) (var_1_15 - var_1_16)))) : (var_1_10 == ((float) var_1_14))) ; VAL [\result=0, isInitial=1, var_1_10=261, var_1_11=63, var_1_12=0, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=79, var_1_5=15, var_1_9=254] [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=261, var_1_11=63, var_1_12=0, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=79, var_1_5=15, var_1_9=254] [L19] reach_error() VAL [isInitial=1, var_1_10=261, var_1_11=63, var_1_12=0, var_1_14=261, var_1_1=14, var_1_2=4, var_1_3=1, var_1_4=79, var_1_5=15, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 64 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 SizeOfPredicates, 0 NumberOfNonLiveVariables, 217 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 702/728 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 19:54:38,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6eb0cfbb054266a9226d16312abfcc1d80aab089c1be5e77f741f325dadb184f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:54:42,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:54:42,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 19:54:42,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:54:42,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:54:42,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:54:42,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:54:42,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:54:42,287 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 19:54:42,287 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 19:54:42,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:54:42,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:54:42,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:54:42,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:54:42,288 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:54:42,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:54:42,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:54:42,289 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:54:42,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:54:42,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:54:42,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:54:42,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:54:42,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:54:42,290 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 19:54:42,290 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 19:54:42,290 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 19:54:42,291 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:54:42,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:54:42,291 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:54:42,291 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:54:42,291 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:54:42,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:54:42,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:54:42,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:54:42,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:54:42,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:54:42,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:54:42,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 19:54:42,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:54:42,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:54:42,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:54:42,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:54:42,293 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:54:42,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:54:42,293 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 19:54:42,294 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 19:54:42,294 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:54:42,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:54:42,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:54:42,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:54:42,294 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_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb0cfbb054266a9226d16312abfcc1d80aab089c1be5e77f741f325dadb184f [2024-11-27 19:54:42,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:54:42,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:54:42,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:54:42,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:54:42,663 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:54:42,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i [2024-11-27 19:54:46,162 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/data/c6cac08ce/1da088d25c884d43bb081bd22b27b68c/FLAG87321d7d8 [2024-11-27 19:54:46,536 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:54:46,540 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i [2024-11-27 19:54:46,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/data/c6cac08ce/1da088d25c884d43bb081bd22b27b68c/FLAG87321d7d8 [2024-11-27 19:54:46,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/data/c6cac08ce/1da088d25c884d43bb081bd22b27b68c [2024-11-27 19:54:46,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:54:46,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:54:46,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:54:46,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:54:46,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:54:46,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:54:46" (1/1) ... [2024-11-27 19:54:46,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d96c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:46, skipping insertion in model container [2024-11-27 19:54:46,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:54:46" (1/1) ... [2024-11-27 19:54:46,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:54:46,900 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_77abb280-8cd4-45a7-8fd4-45fe3412f906/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i[915,928] [2024-11-27 19:54:46,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:54:47,018 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:54:47,033 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_77abb280-8cd4-45a7-8fd4-45fe3412f906/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-62.i[915,928] [2024-11-27 19:54:47,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:54:47,121 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:54:47,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47 WrapperNode [2024-11-27 19:54:47,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:54:47,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:54:47,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:54:47,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:54:47,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,191 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2024-11-27 19:54:47,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:54:47,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:54:47,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:54:47,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:54:47,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,223 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,238 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 19:54:47,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,250 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,266 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:54:47,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:54:47,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:54:47,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:54:47,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (1/1) ... [2024-11-27 19:54:47,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:54:47,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:54:47,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:54:47,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:54:47,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:54:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 19:54:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 19:54:47,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 19:54:47,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:54:47,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:54:47,498 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:54:47,501 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:54:49,901 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-27 19:54:49,901 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:54:49,914 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:54:49,915 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 19:54:49,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:54:49 BoogieIcfgContainer [2024-11-27 19:54:49,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:54:49,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:54:49,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:54:49,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:54:49,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:54:46" (1/3) ... [2024-11-27 19:54:49,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be5cb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:54:49, skipping insertion in model container [2024-11-27 19:54:49,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:54:47" (2/3) ... [2024-11-27 19:54:49,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be5cb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:54:49, skipping insertion in model container [2024-11-27 19:54:49,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:54:49" (3/3) ... [2024-11-27 19:54:49,932 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-62.i [2024-11-27 19:54:49,953 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:54:49,955 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-62.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 19:54:50,042 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:54:50,058 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;@2abecfe7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:54:50,058 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 19:54:50,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 19:54:50,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-27 19:54:50,073 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:50,074 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:54:50,074 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:54:50,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:50,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1017122564, now seen corresponding path program 1 times [2024-11-27 19:54:50,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:54:50,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645743840] [2024-11-27 19:54:50,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:50,092 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 19:54:50,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:54:50,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 19:54:50,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-27 19:54:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:50,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 19:54:50,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:54:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-27 19:54:50,597 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 19:54:50,601 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:54:50,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645743840] [2024-11-27 19:54:50,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [645743840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:54:50,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:54:50,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:54:50,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631315171] [2024-11-27 19:54:50,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:54:50,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 19:54:50,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:54:50,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 19:54:50,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:54:50,643 INFO L87 Difference]: Start difference. First operand has 47 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 19:54:50,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:54:50,672 INFO L93 Difference]: Finished difference Result 91 states and 145 transitions. [2024-11-27 19:54:50,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 19:54:50,674 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2024-11-27 19:54:50,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:54:50,682 INFO L225 Difference]: With dead ends: 91 [2024-11-27 19:54:50,683 INFO L226 Difference]: Without dead ends: 43 [2024-11-27 19:54:50,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 19:54:50,690 INFO L435 NwaCegarLoop]: 64 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, 64 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 19:54:50,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 19:54:50,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-27 19:54:50,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-27 19:54:50,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-27 19:54:50,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2024-11-27 19:54:50,734 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 92 [2024-11-27 19:54:50,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:54:50,734 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2024-11-27 19:54:50,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-27 19:54:50,735 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-11-27 19:54:50,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-27 19:54:50,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:54:50,740 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:54:50,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-27 19:54:50,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 19:54:50,941 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:54:50,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:54:50,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1000603836, now seen corresponding path program 1 times [2024-11-27 19:54:50,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:54:50,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1647238710] [2024-11-27 19:54:50,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:54:50,943 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 19:54:50,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:54:50,948 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 19:54:50,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-27 19:54:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:54:51,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-27 19:54:51,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 19:55:37,749 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-27 19:55:37,750 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 19:56:42,182 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 19:57:45,253 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse43 ((_ sign_extend 24) c_~var_1_2~0)) (.cse45 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse11 (bvslt .cse45 (_ bv0 32))) (.cse15 (= (_ bv4 32) .cse43)) (.cse35 ((_ zero_extend 24) c_~var_1_5~0)) (.cse42 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse45)))) (.cse36 ((_ sign_extend 24) ((_ extract 7 0) .cse45))) (.cse4 (= c_~var_1_3~0 (_ bv0 8))) (.cse44 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse23 (bvslt .cse45 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0))))) (let ((.cse1 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse26 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse2 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse22 (not .cse23)) (.cse6 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse44) c_~var_1_14~0)))) (.cse7 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse44) c_~var_1_14~0))))) (.cse10 (not .cse4)) (.cse12 (= .cse43 .cse36)) (.cse32 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse20 (= .cse43 .cse42)) (.cse34 (= (_ bv15 32) .cse35)) (.cse17 (not .cse15)) (.cse19 (= (_ bv4 32) .cse42)) (.cse21 (not .cse11)) (.cse0 (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0))) (and (or .cse0 (let ((.cse18 (= (_ bv4 32) .cse36)) (.cse33 (forall ((~var_1_9~0 (_ BitVec 8))) (= ((_ zero_extend 24) ~var_1_9~0) .cse35)))) (let ((.cse13 (or .cse32 .cse33)) (.cse14 (or (not .cse32) .cse33)) (.cse30 (not .cse18)) (.cse29 (not .cse19)) (.cse16 (not .cse34))) (let ((.cse27 (and (or .cse4 (let ((.cse31 (and .cse32 .cse33))) (and (or (and .cse16 (or .cse31 .cse30) (or .cse18 .cse31) .cse15) .cse11) (or (and .cse16 .cse15 (or .cse31 .cse19) (or .cse31 .cse29)) .cse21)))) (or .cse10 (and (or .cse11 (and .cse16 (or (and .cse32 .cse12 .cse33) .cse15) (or .cse17 (and .cse32 .cse33 .cse18)))) (or (and (or .cse17 (and .cse32 .cse33 .cse19)) .cse16 (or (and .cse32 .cse20 .cse33) .cse15)) .cse21))))) (.cse28 (and .cse13 .cse14))) (let ((.cse8 (or .cse11 (and (or .cse18 .cse28) .cse16 (or .cse28 .cse30) .cse15))) (.cse9 (or (and (or .cse28 .cse19) (or .cse28 .cse29) .cse16 .cse15) .cse21)) (.cse24 (or .cse27 .cse7)) (.cse25 (or .cse27 .cse6))) (and (or .cse1 (and .cse2 (or (let ((.cse3 (or (and .cse16 (or .cse17 (and .cse13 .cse14 .cse19)) (or (and .cse20 .cse13 .cse14) .cse15)) .cse21)) (.cse5 (or .cse11 (and (or (and .cse12 .cse13 .cse14) .cse15) .cse16 (or .cse17 (and .cse13 .cse18 .cse14)))))) (and (or (and .cse3 .cse4 .cse5) .cse6) (or .cse7 (and (or (and .cse8 .cse9) .cse4) (or .cse10 (and .cse3 .cse5)))))) .cse22) (or .cse23 (and .cse24 .cse25)))) (or (and (or (and .cse8 .cse2 .cse10 .cse6 .cse9) .cse22) (or .cse23 (and .cse24 .cse2 .cse25))) .cse26))))))) (or (let ((.cse41 (and (or .cse4 (and .cse32 .cse34 .cse15)) (or .cse10 (and (or .cse11 (and .cse32 .cse34 .cse12)) (or (and .cse32 .cse20 .cse34 (or .cse17 .cse19)) .cse21)))))) (let ((.cse39 (or .cse41 .cse7)) (.cse40 (or .cse41 .cse6))) (and (or (and (or (let ((.cse37 (or .cse11 (and .cse34 .cse12))) (.cse38 (or (and .cse20 .cse34) .cse21))) (and (or (and .cse37 .cse4 .cse38) .cse6) (or .cse7 (and (or (and .cse37 .cse38) .cse10) (or .cse4 (and .cse34 .cse15)))))) .cse22) .cse2 (or .cse23 (and .cse39 .cse40))) .cse1) (or .cse26 (and (or .cse23 (and .cse2 .cse39 .cse40)) (or (and .cse34 .cse2 .cse10 .cse15 .cse6) .cse22)))))) (not .cse0)))))) is different from true [2024-11-27 19:58:19,069 WARN L851 $PredicateComparison]: unable to prove that (or (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0)) (let ((.cse19 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse11 (= c_~var_1_3~0 (_ bv0 8))) (.cse14 (bvslt .cse19 (_ bv0 32))) (.cse20 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse3 (= (_ bv4 32) .cse20)) (.cse12 (= .cse20 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse19))))) (.cse13 (not .cse14)) (.cse15 (= .cse20 ((_ sign_extend 24) ((_ extract 7 0) .cse19)))) (.cse2 (not .cse11)) (.cse18 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (let ((.cse5 (bvslt .cse19 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0)))) (.cse4 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0)))) (.cse8 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0))))) (.cse16 (let ((.cse17 (fp.eq c_~var_1_10~0 c_~var_1_14~0))) (and (or .cse11 (and .cse17 .cse3)) (or (and (or (and .cse17 .cse12) .cse13) (or (and .cse17 .cse15) .cse14)) .cse2))))) (let ((.cse6 (or .cse8 .cse16)) (.cse7 (or .cse16 .cse4)) (.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse0 (not .cse5))) (and (or (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4)) (or .cse5 (and .cse6 .cse1 .cse7)))) (or (and (or .cse5 (and .cse6 .cse7)) .cse1 (or (let ((.cse9 (or .cse14 .cse15)) (.cse10 (or .cse12 .cse13))) (and (or .cse8 (and (or .cse2 (and .cse9 .cse10)) (or .cse11 .cse3))) (or (and .cse9 .cse11 .cse10) .cse4))) .cse0)) (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))))))))))) is different from false [2024-11-27 19:58:49,571 WARN L873 $PredicateComparison]: unable to prove that (or (let ((.cse0 (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse2 (let ((.cse6 (= c_~var_1_3~0 (_ bv0 8))) (.cse4 ((_ sign_extend 24) c_~var_1_2~0))) (and (or (and (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse3 (_ bv0 32)) (= ((_ sign_extend 24) ((_ extract 7 0) .cse3)) .cse4) (bvslt .cse3 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0)))))) (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse5 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0))) (not (bvslt .cse5 (_ bv0 32))) (= .cse4 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse5)))))))) (not .cse6)) (or .cse6 (= (_ bv4 32) .cse4)))))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0))) .cse2) (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0)))) .cse2) (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)))))) (and (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0))) is different from true [2024-11-27 19:59:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-27 19:59:02,794 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 19:59:02,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1647238710] [2024-11-27 19:59:02,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1647238710] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 19:59:02,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 19:59:02,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-27 19:59:02,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636461813] [2024-11-27 19:59:02,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:59:02,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 19:59:02,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 19:59:02,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 19:59:02,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=144, Unknown=3, NotChecked=78, Total=272 [2024-11-27 19:59:02,798 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 19:59:04,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 19:59:05,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 19:59:07,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 19:59:12,287 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse0 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse3 (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0)))) (and (or (and (or .cse0 .cse1) (or .cse0 .cse2)) .cse3) (or (let ((.cse4 (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse6 (let ((.cse10 (= c_~var_1_3~0 (_ bv0 8))) (.cse8 ((_ sign_extend 24) c_~var_1_2~0))) (and (or (and (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse7 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse7 (_ bv0 32)) (= ((_ sign_extend 24) ((_ extract 7 0) .cse7)) .cse8) (bvslt .cse7 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0)))))) (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse9 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse9 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0))) (not (bvslt .cse9 (_ bv0 32))) (= .cse8 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse9)))))))) (not .cse10)) (or .cse10 (= (_ bv4 32) .cse8)))))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse5) c_~var_1_14~0))) .cse6) (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse5) c_~var_1_14~0)))) .cse6) .cse0)))) (and (or .cse4 .cse1) (or .cse4 .cse2))) .cse3))) is different from true [2024-11-27 19:59:14,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 19:59:15,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 19:59:17,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 19:59:18,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 19:59:19,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 19:59:21,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 19:59:22,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 19:59:24,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-27 19:59:27,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 19:59:33,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 19:59:33,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 19:59:33,084 INFO L93 Difference]: Finished difference Result 82 states and 113 transitions. [2024-11-27 19:59:33,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 19:59:33,102 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92 [2024-11-27 19:59:33,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 19:59:33,104 INFO L225 Difference]: With dead ends: 82 [2024-11-27 19:59:33,104 INFO L226 Difference]: Without dead ends: 80 [2024-11-27 19:59:33,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 37.6s TimeCoverageRelationStatistics Valid=49, Invalid=145, Unknown=4, NotChecked=108, Total=306 [2024-11-27 19:59:33,105 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 47 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 316 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2024-11-27 19:59:33,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 344 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 316 Unchecked, 26.2s Time] [2024-11-27 19:59:33,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-27 19:59:33,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2024-11-27 19:59:33,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.2040816326530612) internal successors, (59), 50 states have internal predecessors, (59), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-27 19:59:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2024-11-27 19:59:33,127 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 92 [2024-11-27 19:59:33,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 19:59:33,128 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2024-11-27 19:59:33,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-27 19:59:33,128 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2024-11-27 19:59:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-27 19:59:33,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 19:59:33,130 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:59:33,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-27 19:59:33,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 19:59:33,332 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 19:59:33,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:59:33,332 INFO L85 PathProgramCache]: Analyzing trace with hash -998756794, now seen corresponding path program 1 times [2024-11-27 19:59:33,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 19:59:33,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388832498] [2024-11-27 19:59:33,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:59:33,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-27 19:59:33,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 19:59:33,338 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-27 19:59:33,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77abb280-8cd4-45a7-8fd4-45fe3412f906/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-27 19:59:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:59:33,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-27 19:59:33,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:00:15,963 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:00:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 123 proven. 6 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-27 20:00:19,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:02:25,576 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse36 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse12 (= (_ bv4 32) .cse36)) (.cse38 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse16 (bvslt .cse38 (_ bv0 32))) (.cse28 (not .cse12)) (.cse26 ((_ zero_extend 24) c_~var_1_5~0)) (.cse35 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse38)))) (.cse29 ((_ sign_extend 24) ((_ extract 7 0) .cse38))) (.cse9 (= c_~var_1_3~0 (_ bv0 8))) (.cse37 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0))) (.cse1 (bvslt .cse38 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0))))) (let ((.cse20 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (.cse21 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (.cse4 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0))) (.cse19 (not .cse1)) (.cse13 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse37) c_~var_1_14~0)))) (.cse5 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse37) c_~var_1_14~0))))) (.cse6 (not .cse9)) (.cse15 (= .cse36 .cse29)) (.cse23 (fp.eq c_~var_1_10~0 c_~var_1_14~0)) (.cse17 (= .cse36 .cse35)) (.cse27 (= (_ bv15 32) .cse26)) (.cse24 (or .cse28 (= (_ bv4 32) .cse35))) (.cse18 (not .cse16)) (.cse0 (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0))) (and (or .cse0 (let ((.cse25 ((_ zero_extend 24) c_~var_1_9~0))) (let ((.cse14 (or .cse28 (= (_ bv4 32) .cse29))) (.cse10 (or (= .cse25 (_ bv15 32)) (not .cse27))) (.cse11 (= .cse25 .cse26))) (let ((.cse22 (and (or (and .cse23 .cse11 .cse12) .cse9) (or .cse6 (and (or .cse16 (and .cse23 .cse11 .cse14 .cse15)) (or (and .cse23 .cse17 .cse24 .cse10 .cse11) .cse18)))))) (let ((.cse2 (or .cse5 .cse22)) (.cse3 (or .cse22 .cse13))) (and (or (and (or .cse1 (and .cse2 .cse3)) .cse4 (or (let ((.cse7 (or (and .cse17 .cse10 .cse11) .cse18)) (.cse8 (or (and .cse11 .cse14 .cse15) .cse16))) (and (or .cse5 (and (or .cse6 (and .cse7 .cse8)) (or .cse9 (and .cse10 .cse11 .cse12)))) (or (and .cse9 .cse7 .cse8) .cse13))) .cse19)) .cse20) (or .cse21 (and (or (and .cse10 .cse11 .cse4 .cse6 .cse12 .cse13) .cse19) (or .cse1 (and .cse4 .cse2 .cse3)))))))))) (or (let ((.cse34 (and (or .cse9 (and .cse23 .cse27 .cse12)) (or .cse6 (and (or .cse16 (and .cse23 .cse27 .cse15)) (or (and .cse23 .cse17 .cse27 .cse24) .cse18)))))) (let ((.cse32 (or .cse34 .cse5)) (.cse33 (or .cse34 .cse13))) (and (or (and (or (let ((.cse30 (or .cse16 (and .cse27 .cse15))) (.cse31 (or (and .cse17 .cse27) .cse18))) (and (or (and .cse30 .cse9 .cse31) .cse13) (or .cse5 (and (or (and .cse30 .cse31) .cse6) (or .cse9 (and .cse27 .cse12)))))) .cse19) .cse4 (or .cse1 (and .cse32 .cse33))) .cse20) (or .cse21 (and (or .cse1 (and .cse4 .cse32 .cse33)) (or (and .cse27 .cse4 .cse6 .cse12 .cse13) .cse19)))))) (not .cse0))))))) is different from true [2024-11-27 20:02:33,660 WARN L286 SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:02:40,907 WARN L286 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:06:37,141 WARN L286 SmtUtils]: Spent 2.69m on a formula simplification that was a NOOP. DAG size: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:06:55,645 WARN L286 SmtUtils]: Spent 5.20s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-27 20:07:06,650 WARN L873 $PredicateComparison]: unable to prove that (or (let ((.cse0 (let ((.cse2 (let ((.cse6 (fp.eq c_~var_1_14~0 c_~var_1_14~0)) (.cse4 ((_ sign_extend 24) c_~var_1_2~0)) (.cse7 (= c_~var_1_3~0 (_ bv0 8)))) (and (or (and (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse3 (_ bv0 32)) (= ((_ sign_extend 24) ((_ extract 7 0) .cse3)) .cse4) (bvslt .cse3 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0)))))) (forall ((~var_1_4~0 (_ BitVec 8)) (~var_1_12~0 (_ BitVec 8)) (~var_1_11~0 (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) ~var_1_4~0))) (or (bvslt .cse5 (bvadd (bvneg ((_ sign_extend 24) ~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) ~var_1_11~0))) (not (bvslt .cse5 (_ bv0 32))) (= .cse4 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse5))))))) .cse6) (not .cse7)) (or (and .cse6 (= (_ bv4 32) .cse4)) .cse7)))) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (and (or (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0)))) .cse2) (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)) (or .cse2 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse1) c_~var_1_14~0)))))))) (and (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))) (or .cse0 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))))) (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0)) is different from true [2024-11-27 20:07:29,613 WARN L286 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 21 DAG size of output: 21 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 20:07:49,339 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 6 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-27 20:07:49,339 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:07:49,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388832498] [2024-11-27 20:07:49,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388832498] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:07:49,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:07:49,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-27 20:07:49,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082872181] [2024-11-27 20:07:49,340 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:49,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-27 20:07:49,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:07:49,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-27 20:07:49,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=248, Unknown=14, NotChecked=70, Total=420 [2024-11-27 20:07:49,342 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand has 21 states, 21 states have (on average 2.761904761904762) internal successors, (58), 21 states have internal predecessors, (58), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-27 20:07:55,180 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 (= (_ bv14 32) ((_ sign_extend 24) c_~var_1_1~0)))) (and (or (fp.gt (fp.mul c_currentRoundingMode c_~var_1_10~0 c_~var_1_10~0) c_~var_1_10~0) (let ((.cse19 ((_ sign_extend 24) c_~var_1_4~0))) (let ((.cse11 (= c_~var_1_3~0 (_ bv0 8))) (.cse14 (bvslt .cse19 (_ bv0 32))) (.cse20 ((_ sign_extend 24) c_~var_1_2~0))) (let ((.cse3 (= (_ bv4 32) .cse20)) (.cse12 (= .cse20 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse19))))) (.cse13 (not .cse14)) (.cse15 (= .cse20 ((_ sign_extend 24) ((_ extract 7 0) .cse19)))) (.cse2 (not .cse11)) (.cse18 ((_ to_fp 8 24) c_currentRoundingMode (/ 253.0 5.0)))) (let ((.cse5 (bvslt .cse19 (bvadd (bvneg ((_ sign_extend 24) c_~var_1_12~0)) (_ bv16 32) ((_ sign_extend 24) c_~var_1_11~0)))) (.cse4 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0)))) (.cse8 (forall ((~var_1_13~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.add c_currentRoundingMode (fp.add c_currentRoundingMode ~var_1_13~0 .cse18) c_~var_1_14~0))))) (.cse16 (let ((.cse17 (fp.eq c_~var_1_10~0 c_~var_1_14~0))) (and (or .cse11 (and .cse17 .cse3)) (or (and (or (and .cse17 .cse12) .cse13) (or (and .cse17 .cse15) .cse14)) .cse2))))) (let ((.cse6 (or .cse8 .cse16)) (.cse7 (or .cse16 .cse4)) (.cse0 (not .cse5))) (and (or (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4)) (or .cse5 (and .cse6 .cse1 .cse7)))) (or (and (or .cse5 (and .cse6 .cse7)) .cse1 (or (let ((.cse9 (or .cse14 .cse15)) (.cse10 (or .cse12 .cse13))) (and (or .cse8 (and (or .cse2 (and .cse9 .cse10)) (or .cse11 .cse3))) (or (and .cse9 .cse11 .cse10) .cse4))) .cse0)) (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_10~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0)))))))))))) (let ((.cse22 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse21 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_14~0 .cse21) (fp.geq c_~var_1_14~0 .cse22)) (and (fp.leq c_~var_1_14~0 (fp.neg .cse22)) (fp.geq c_~var_1_14~0 (fp.neg .cse21))))) (or (and (or .cse1 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (or (and .cse1 (fp.eq c_~var_1_14~0 c_~var_1_14~0)) (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0))))) (fp.gt (fp.mul c_currentRoundingMode c_~var_1_14~0 c_~var_1_14~0) c_~var_1_14~0)) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2024-11-27 20:07:59,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:03,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:06,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:08,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:12,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:16,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:26,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:31,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:35,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:39,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:43,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:47,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:51,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:55,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:08:59,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:09:03,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:09:07,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:09:11,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:09:15,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:09:19,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:09:24,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:09:28,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:09:32,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:09:36,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:09:40,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-27 20:09:44,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]