./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-78.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_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7aa3a904bc60f2a44dbd946a0bac28cae5735c78d2e315e46c1ea5e4f1be7712 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:03:21,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:03:21,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-01 23:03:21,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:03:21,919 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:03:21,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:03:21,941 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:03:21,941 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:03:21,942 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:03:21,942 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:03:21,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:03:21,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:03:21,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:03:21,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:03:21,943 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:03:21,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:03:21,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:03:21,943 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:03:21,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:03:21,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:03:21,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:03:21,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:03:21,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:03:21,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:03:21,944 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:03:21,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:03:21,944 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:03:21,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:03:21,944 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:03:21,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:03:21,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:03:21,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:03:21,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:21,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:03:21,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:03:21,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:03:21,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:03:21,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:21,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:03:21,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:03:21,945 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:03:21,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:03:21,945 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:03:21,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:03:21,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:03:21,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:03:21,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:03:21,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:03:21,946 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_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa3a904bc60f2a44dbd946a0bac28cae5735c78d2e315e46c1ea5e4f1be7712 [2024-12-01 23:03:22,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:03:22,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:03:22,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:03:22,184 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:03:22,185 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:03:22,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-78.i [2024-12-01 23:03:24,985 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/data/5e7231d47/ddf2a1cbcf2a487ca9952ed90cd01b88/FLAGac9327216 [2024-12-01 23:03:25,254 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:03:25,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-78.i [2024-12-01 23:03:25,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/data/5e7231d47/ddf2a1cbcf2a487ca9952ed90cd01b88/FLAGac9327216 [2024-12-01 23:03:25,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/data/5e7231d47/ddf2a1cbcf2a487ca9952ed90cd01b88 [2024-12-01 23:03:25,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:03:25,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:03:25,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:03:25,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:03:25,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:03:25,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c0362a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25, skipping insertion in model container [2024-12-01 23:03:25,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,320 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:03:25,480 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_8c116485-c613-49d5-80d3-c670123e3506/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-78.i[915,928] [2024-12-01 23:03:25,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:03:25,568 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:03:25,580 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-78.i[915,928] [2024-12-01 23:03:25,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:03:25,633 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:03:25,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25 WrapperNode [2024-12-01 23:03:25,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:03:25,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:03:25,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:03:25,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:03:25,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,655 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,707 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2024-12-01 23:03:25,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:03:25,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:03:25,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:03:25,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:03:25,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,725 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,751 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-01 23:03:25,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,765 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:03:25,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:03:25,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:03:25,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:03:25,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (1/1) ... [2024-12-01 23:03:25,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:25,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:03:25,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:03:25,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:03:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:03:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-01 23:03:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-01 23:03:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:03:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:03:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:03:25,946 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:03:25,948 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:03:26,398 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-01 23:03:26,398 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:03:26,410 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:03:26,410 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-01 23:03:26,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:26 BoogieIcfgContainer [2024-12-01 23:03:26,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:03:26,422 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:03:26,423 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:03:26,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:03:26,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:03:25" (1/3) ... [2024-12-01 23:03:26,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2558665b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:03:26, skipping insertion in model container [2024-12-01 23:03:26,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:25" (2/3) ... [2024-12-01 23:03:26,430 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2558665b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:03:26, skipping insertion in model container [2024-12-01 23:03:26,430 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:26" (3/3) ... [2024-12-01 23:03:26,431 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-78.i [2024-12-01 23:03:26,450 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:03:26,452 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-78.i that has 2 procedures, 78 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-01 23:03:26,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:03:26,531 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;@49a2a2a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:03:26,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:03:26,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 58 states have internal predecessors, (81), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:03:26,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-01 23:03:26,548 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:26,548 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:26,549 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:26,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:26,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1081327444, now seen corresponding path program 1 times [2024-12-01 23:03:26,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:26,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473944207] [2024-12-01 23:03:26,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:26,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-01 23:03:26,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:26,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473944207] [2024-12-01 23:03:26,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473944207] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:03:26,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240295654] [2024-12-01 23:03:26,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:26,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:03:26,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:03:26,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:03:26,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-01 23:03:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:27,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 23:03:27,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:03:27,079 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-01 23:03:27,079 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:03:27,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240295654] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:27,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:03:27,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-01 23:03:27,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624085886] [2024-12-01 23:03:27,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:27,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:03:27,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:27,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:03:27,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:03:27,113 INFO L87 Difference]: Start difference. First operand has 78 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 58 states have internal predecessors, (81), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-01 23:03:27,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:27,143 INFO L93 Difference]: Finished difference Result 149 states and 246 transitions. [2024-12-01 23:03:27,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:03:27,145 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 124 [2024-12-01 23:03:27,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:27,153 INFO L225 Difference]: With dead ends: 149 [2024-12-01 23:03:27,153 INFO L226 Difference]: Without dead ends: 74 [2024-12-01 23:03:27,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:03:27,160 INFO L435 NwaCegarLoop]: 110 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, 110 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:27,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:03:27,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-12-01 23:03:27,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-12-01 23:03:27,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:03:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 110 transitions. [2024-12-01 23:03:27,209 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 110 transitions. Word has length 124 [2024-12-01 23:03:27,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:27,209 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 110 transitions. [2024-12-01 23:03:27,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-01 23:03:27,210 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 110 transitions. [2024-12-01 23:03:27,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-01 23:03:27,213 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:27,213 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:27,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-01 23:03:27,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-01 23:03:27,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:27,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:27,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1852945056, now seen corresponding path program 1 times [2024-12-01 23:03:27,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:27,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542610705] [2024-12-01 23:03:27,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:27,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:27,765 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:03:27,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:27,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542610705] [2024-12-01 23:03:27,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542610705] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:27,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:27,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:03:27,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211188985] [2024-12-01 23:03:27,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:27,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:03:27,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:27,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:03:27,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:03:27,768 INFO L87 Difference]: Start difference. First operand 74 states and 110 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:27,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:27,809 INFO L93 Difference]: Finished difference Result 145 states and 217 transitions. [2024-12-01 23:03:27,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:03:27,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 124 [2024-12-01 23:03:27,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:27,813 INFO L225 Difference]: With dead ends: 145 [2024-12-01 23:03:27,813 INFO L226 Difference]: Without dead ends: 74 [2024-12-01 23:03:27,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:03:27,815 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:27,815 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 313 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:03:27,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-12-01 23:03:27,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-12-01 23:03:27,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 54 states have internal predecessors, (73), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:03:27,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 109 transitions. [2024-12-01 23:03:27,824 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 109 transitions. Word has length 124 [2024-12-01 23:03:27,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:27,826 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 109 transitions. [2024-12-01 23:03:27,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:27,827 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 109 transitions. [2024-12-01 23:03:27,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-12-01 23:03:27,829 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:27,829 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:27,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 23:03:27,829 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:27,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:27,830 INFO L85 PathProgramCache]: Analyzing trace with hash -112637507, now seen corresponding path program 1 times [2024-12-01 23:03:27,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:27,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998678470] [2024-12-01 23:03:27,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:27,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:03:28,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:28,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998678470] [2024-12-01 23:03:28,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998678470] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:28,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:28,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:03:28,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869413171] [2024-12-01 23:03:28,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:28,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:03:28,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:28,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:03:28,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:03:28,151 INFO L87 Difference]: Start difference. First operand 74 states and 109 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:28,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:28,385 INFO L93 Difference]: Finished difference Result 217 states and 322 transitions. [2024-12-01 23:03:28,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:03:28,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 125 [2024-12-01 23:03:28,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:28,388 INFO L225 Difference]: With dead ends: 217 [2024-12-01 23:03:28,389 INFO L226 Difference]: Without dead ends: 146 [2024-12-01 23:03:28,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:03:28,390 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 84 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:28,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 284 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:03:28,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-12-01 23:03:28,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 129. [2024-12-01 23:03:28,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-01 23:03:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 192 transitions. [2024-12-01 23:03:28,417 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 192 transitions. Word has length 125 [2024-12-01 23:03:28,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:28,418 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 192 transitions. [2024-12-01 23:03:28,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 192 transitions. [2024-12-01 23:03:28,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-12-01 23:03:28,420 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:28,421 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:28,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-01 23:03:28,421 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:28,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:28,422 INFO L85 PathProgramCache]: Analyzing trace with hash 2070223852, now seen corresponding path program 1 times [2024-12-01 23:03:28,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:28,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147561729] [2024-12-01 23:03:28,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:28,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:28,686 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:03:28,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:28,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147561729] [2024-12-01 23:03:28,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147561729] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:28,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:28,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:03:28,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620487602] [2024-12-01 23:03:28,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:28,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:03:28,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:28,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:03:28,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:03:28,688 INFO L87 Difference]: Start difference. First operand 129 states and 192 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:28,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:28,889 INFO L93 Difference]: Finished difference Result 309 states and 458 transitions. [2024-12-01 23:03:28,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:03:28,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 126 [2024-12-01 23:03:28,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:28,892 INFO L225 Difference]: With dead ends: 309 [2024-12-01 23:03:28,892 INFO L226 Difference]: Without dead ends: 223 [2024-12-01 23:03:28,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:03:28,894 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 122 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:28,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 311 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:03:28,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-12-01 23:03:28,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 205. [2024-12-01 23:03:28,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 147 states have (on average 1.3333333333333333) internal successors, (196), 147 states have internal predecessors, (196), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-12-01 23:03:28,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 304 transitions. [2024-12-01 23:03:28,943 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 304 transitions. Word has length 126 [2024-12-01 23:03:28,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:28,943 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 304 transitions. [2024-12-01 23:03:28,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:28,944 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 304 transitions. [2024-12-01 23:03:28,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-01 23:03:28,946 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:28,946 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:28,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-01 23:03:28,946 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:28,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:28,947 INFO L85 PathProgramCache]: Analyzing trace with hash 329054776, now seen corresponding path program 1 times [2024-12-01 23:03:28,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:28,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809498910] [2024-12-01 23:03:28,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:28,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:03:29,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:29,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809498910] [2024-12-01 23:03:29,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809498910] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:29,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:29,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-01 23:03:29,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270759264] [2024-12-01 23:03:29,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:29,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-01 23:03:29,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:29,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-01 23:03:29,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:03:29,347 INFO L87 Difference]: Start difference. First operand 205 states and 304 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:29,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:29,778 INFO L93 Difference]: Finished difference Result 582 states and 855 transitions. [2024-12-01 23:03:29,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-01 23:03:29,779 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 127 [2024-12-01 23:03:29,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:29,783 INFO L225 Difference]: With dead ends: 582 [2024-12-01 23:03:29,784 INFO L226 Difference]: Without dead ends: 431 [2024-12-01 23:03:29,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-12-01 23:03:29,786 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 265 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:29,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 769 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-01 23:03:29,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-12-01 23:03:29,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 365. [2024-12-01 23:03:29,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 269 states have (on average 1.3531598513011152) internal successors, (364), 269 states have internal predecessors, (364), 90 states have call successors, (90), 5 states have call predecessors, (90), 5 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-12-01 23:03:29,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 544 transitions. [2024-12-01 23:03:29,868 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 544 transitions. Word has length 127 [2024-12-01 23:03:29,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:29,868 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 544 transitions. [2024-12-01 23:03:29,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:29,869 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 544 transitions. [2024-12-01 23:03:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-01 23:03:29,871 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:29,871 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:29,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-01 23:03:29,872 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:29,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:29,873 INFO L85 PathProgramCache]: Analyzing trace with hash -63972234, now seen corresponding path program 1 times [2024-12-01 23:03:29,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:29,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374121210] [2024-12-01 23:03:29,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:29,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:03:30,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:30,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374121210] [2024-12-01 23:03:30,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374121210] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:30,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:30,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:03:30,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543579008] [2024-12-01 23:03:30,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:30,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-01 23:03:30,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:30,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-01 23:03:30,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-01 23:03:30,381 INFO L87 Difference]: Start difference. First operand 365 states and 544 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:30,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:30,654 INFO L93 Difference]: Finished difference Result 749 states and 1107 transitions. [2024-12-01 23:03:30,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-01 23:03:30,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 127 [2024-12-01 23:03:30,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:30,659 INFO L225 Difference]: With dead ends: 749 [2024-12-01 23:03:30,660 INFO L226 Difference]: Without dead ends: 427 [2024-12-01 23:03:30,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:03:30,662 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 76 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:30,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 284 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:03:30,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-12-01 23:03:30,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 373. [2024-12-01 23:03:30,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 277 states have (on average 1.339350180505415) internal successors, (371), 277 states have internal predecessors, (371), 90 states have call successors, (90), 5 states have call predecessors, (90), 5 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2024-12-01 23:03:30,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 551 transitions. [2024-12-01 23:03:30,732 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 551 transitions. Word has length 127 [2024-12-01 23:03:30,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:30,733 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 551 transitions. [2024-12-01 23:03:30,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:30,733 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 551 transitions. [2024-12-01 23:03:30,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-01 23:03:30,735 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:30,735 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:30,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-01 23:03:30,736 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:30,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:30,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1196855801, now seen corresponding path program 1 times [2024-12-01 23:03:30,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:30,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233116575] [2024-12-01 23:03:30,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:30,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:03:31,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:31,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233116575] [2024-12-01 23:03:31,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233116575] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:31,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:31,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:03:31,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799517403] [2024-12-01 23:03:31,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:31,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:03:31,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:31,177 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:03:31,177 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:03:31,177 INFO L87 Difference]: Start difference. First operand 373 states and 551 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:31,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:31,499 INFO L93 Difference]: Finished difference Result 948 states and 1396 transitions. [2024-12-01 23:03:31,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:03:31,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 128 [2024-12-01 23:03:31,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:31,505 INFO L225 Difference]: With dead ends: 948 [2024-12-01 23:03:31,506 INFO L226 Difference]: Without dead ends: 614 [2024-12-01 23:03:31,507 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:03:31,508 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 127 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:31,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 447 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-01 23:03:31,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-12-01 23:03:31,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 526. [2024-12-01 23:03:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 392 states have (on average 1.336734693877551) internal successors, (524), 392 states have internal predecessors, (524), 126 states have call successors, (126), 7 states have call predecessors, (126), 7 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-12-01 23:03:31,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 776 transitions. [2024-12-01 23:03:31,585 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 776 transitions. Word has length 128 [2024-12-01 23:03:31,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:31,585 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 776 transitions. [2024-12-01 23:03:31,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:31,586 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 776 transitions. [2024-12-01 23:03:31,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-12-01 23:03:31,587 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:31,588 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:31,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-01 23:03:31,588 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:31,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:31,589 INFO L85 PathProgramCache]: Analyzing trace with hash -978001083, now seen corresponding path program 1 times [2024-12-01 23:03:31,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:31,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250823102] [2024-12-01 23:03:31,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:31,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:03:31,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:31,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250823102] [2024-12-01 23:03:31,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250823102] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:31,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:31,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-01 23:03:31,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361639024] [2024-12-01 23:03:31,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:31,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-01 23:03:31,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:31,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-01 23:03:31,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-01 23:03:31,940 INFO L87 Difference]: Start difference. First operand 526 states and 776 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:32,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:32,136 INFO L93 Difference]: Finished difference Result 1104 states and 1638 transitions. [2024-12-01 23:03:32,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-01 23:03:32,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 128 [2024-12-01 23:03:32,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:32,142 INFO L225 Difference]: With dead ends: 1104 [2024-12-01 23:03:32,143 INFO L226 Difference]: Without dead ends: 674 [2024-12-01 23:03:32,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:03:32,145 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 40 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:32,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 490 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:03:32,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-12-01 23:03:32,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 604. [2024-12-01 23:03:32,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 470 states have (on average 1.3425531914893618) internal successors, (631), 470 states have internal predecessors, (631), 126 states have call successors, (126), 7 states have call predecessors, (126), 7 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-12-01 23:03:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 883 transitions. [2024-12-01 23:03:32,218 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 883 transitions. Word has length 128 [2024-12-01 23:03:32,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:32,218 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 883 transitions. [2024-12-01 23:03:32,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 883 transitions. [2024-12-01 23:03:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-01 23:03:32,220 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:32,221 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:32,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-01 23:03:32,221 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:32,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:32,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1008502880, now seen corresponding path program 1 times [2024-12-01 23:03:32,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:32,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450832344] [2024-12-01 23:03:32,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:32,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-01 23:03:32,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1523846201] [2024-12-01 23:03:32,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:32,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:03:32,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:03:32,300 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:03:32,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-01 23:03:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:32,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-01 23:03:32,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:03:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 191 proven. 42 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-12-01 23:03:33,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:03:33,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:33,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450832344] [2024-12-01 23:03:33,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-12-01 23:03:33,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523846201] [2024-12-01 23:03:33,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523846201] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:03:33,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:03:33,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-12-01 23:03:33,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972558095] [2024-12-01 23:03:33,835 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-12-01 23:03:33,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-01 23:03:33,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:33,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-01 23:03:33,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-12-01 23:03:33,836 INFO L87 Difference]: Start difference. First operand 604 states and 883 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-01 23:03:34,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:34,454 INFO L93 Difference]: Finished difference Result 1461 states and 2091 transitions. [2024-12-01 23:03:34,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-01 23:03:34,455 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 133 [2024-12-01 23:03:34,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:34,460 INFO L225 Difference]: With dead ends: 1461 [2024-12-01 23:03:34,460 INFO L226 Difference]: Without dead ends: 1078 [2024-12-01 23:03:34,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2024-12-01 23:03:34,462 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 153 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:34,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 429 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-01 23:03:34,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2024-12-01 23:03:34,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 1034. [2024-12-01 23:03:34,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 804 states have (on average 1.3258706467661692) internal successors, (1066), 808 states have internal predecessors, (1066), 206 states have call successors, (206), 23 states have call predecessors, (206), 23 states have return successors, (206), 202 states have call predecessors, (206), 206 states have call successors, (206) [2024-12-01 23:03:34,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1478 transitions. [2024-12-01 23:03:34,529 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1478 transitions. Word has length 133 [2024-12-01 23:03:34,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:34,530 INFO L471 AbstractCegarLoop]: Abstraction has 1034 states and 1478 transitions. [2024-12-01 23:03:34,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-01 23:03:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1478 transitions. [2024-12-01 23:03:34,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-01 23:03:34,531 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:34,531 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:34,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-01 23:03:34,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:03:34,732 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:34,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:34,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1470718108, now seen corresponding path program 1 times [2024-12-01 23:03:34,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:34,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160635020] [2024-12-01 23:03:34,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:34,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:34,993 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:03:34,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:34,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160635020] [2024-12-01 23:03:34,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160635020] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:34,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:34,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-01 23:03:34,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621468786] [2024-12-01 23:03:34,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:34,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:03:34,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:34,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:03:34,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:03:34,995 INFO L87 Difference]: Start difference. First operand 1034 states and 1478 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:35,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:35,176 INFO L93 Difference]: Finished difference Result 1790 states and 2584 transitions. [2024-12-01 23:03:35,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:03:35,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 133 [2024-12-01 23:03:35,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:35,188 INFO L225 Difference]: With dead ends: 1790 [2024-12-01 23:03:35,188 INFO L226 Difference]: Without dead ends: 1375 [2024-12-01 23:03:35,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:03:35,191 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 69 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:35,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 431 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-01 23:03:35,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2024-12-01 23:03:35,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 1037. [2024-12-01 23:03:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 807 states have (on average 1.3246592317224288) internal successors, (1069), 811 states have internal predecessors, (1069), 206 states have call successors, (206), 23 states have call predecessors, (206), 23 states have return successors, (206), 202 states have call predecessors, (206), 206 states have call successors, (206) [2024-12-01 23:03:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1481 transitions. [2024-12-01 23:03:35,321 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1481 transitions. Word has length 133 [2024-12-01 23:03:35,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:35,321 INFO L471 AbstractCegarLoop]: Abstraction has 1037 states and 1481 transitions. [2024-12-01 23:03:35,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:35,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1481 transitions. [2024-12-01 23:03:35,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-01 23:03:35,324 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:35,324 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:35,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-01 23:03:35,324 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:35,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:35,325 INFO L85 PathProgramCache]: Analyzing trace with hash 190854430, now seen corresponding path program 1 times [2024-12-01 23:03:35,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:35,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157055961] [2024-12-01 23:03:35,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:35,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-01 23:03:35,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [213571502] [2024-12-01 23:03:35,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:35,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-01 23:03:35,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:03:35,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-01 23:03:35,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-01 23:03:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:03:35,675 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:03:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:03:35,837 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-01 23:03:35,837 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-01 23:03:35,838 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-01 23:03:35,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-01 23:03:36,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-01 23:03:36,044 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:36,133 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-01 23:03:36,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:03:36 BoogieIcfgContainer [2024-12-01 23:03:36,137 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-01 23:03:36,137 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 23:03:36,138 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 23:03:36,138 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 23:03:36,139 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:26" (3/4) ... [2024-12-01 23:03:36,141 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-01 23:03:36,142 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 23:03:36,143 INFO L158 Benchmark]: Toolchain (without parser) took 10855.36ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 116.3MB in the beginning and 124.6MB in the end (delta: -8.3MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. [2024-12-01 23:03:36,144 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:03:36,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.43ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 100.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-01 23:03:36,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.23ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 94.3MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:03:36,144 INFO L158 Benchmark]: Boogie Preprocessor took 79.82ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 83.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:03:36,145 INFO L158 Benchmark]: RCFGBuilder took 622.54ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 52.9MB in the end (delta: 30.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-01 23:03:36,145 INFO L158 Benchmark]: TraceAbstraction took 9714.39ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 112.8MB in the beginning and 124.6MB in the end (delta: -11.8MB). Peak memory consumption was 156.8MB. Max. memory is 16.1GB. [2024-12-01 23:03:36,145 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 318.8MB. Free memory was 124.6MB in the beginning and 124.6MB in the end (delta: 26.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-01 23:03:36,148 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.43ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 100.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.23ms. Allocated memory is still 142.6MB. Free memory was 100.8MB in the beginning and 94.3MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.82ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 83.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 622.54ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 52.9MB in the end (delta: 30.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9714.39ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 112.8MB in the beginning and 124.6MB in the end (delta: -11.8MB). Peak memory consumption was 156.8MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 318.8MB. Free memory was 124.6MB in the beginning and 124.6MB in the end (delta: 26.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 64, overapproximation of bitwiseOr at line 119, overapproximation of bitwiseOr at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 119. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_3 = 64; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 2; [L26] unsigned short int var_1_6 = 10; [L27] double var_1_8 = 1.875; [L28] signed long int var_1_9 = -4; [L29] double var_1_10 = 63.5; [L30] double var_1_11 = 255.375; [L31] double var_1_12 = 999999999.525; [L32] double var_1_13 = 63.75; [L33] double var_1_14 = 0.625; [L34] unsigned short int var_1_15 = 5; [L35] signed char var_1_16 = 4; [L36] signed char var_1_17 = 0; [L37] signed char var_1_18 = -2; [L38] signed char var_1_19 = 1; [L39] unsigned short int var_1_20 = 50; [L40] unsigned short int var_1_21 = 0; [L41] unsigned char last_1_var_1_3 = 64; [L42] unsigned short int last_1_var_1_6 = 10; [L43] unsigned short int last_1_var_1_15 = 5; [L44] unsigned short int last_1_var_1_20 = 50; [L45] unsigned short int last_1_var_1_21 = 0; VAL [isInitial=0, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L123] isInitial = 1 [L124] FCALL initially() [L126] CALL updateLastVariables() [L112] last_1_var_1_3 = var_1_3 [L113] last_1_var_1_6 = var_1_6 [L114] last_1_var_1_15 = var_1_15 [L115] last_1_var_1_20 = var_1_20 [L116] last_1_var_1_21 = var_1_21 VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=0, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L126] RET updateLastVariables() [L127] CALL updateVariables() [L81] var_1_4 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L82] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L83] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L83] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L84] var_1_5 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L85] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L86] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L86] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L87] var_1_9 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L88] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L89] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L89] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L90] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L90] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L91] var_1_10 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L92] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L93] var_1_11 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L94] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L95] var_1_12 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L96] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L97] var_1_13 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L98] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L99] var_1_14 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L100] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L101] var_1_17 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L102] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L103] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L103] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L104] var_1_18 = __VERIFIER_nondet_char() [L105] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L105] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L106] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L106] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L107] var_1_19 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_19 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L108] RET assume_abort_if_not(var_1_19 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L109] CALL assume_abort_if_not(var_1_19 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L109] RET assume_abort_if_not(var_1_19 <= 31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L127] RET updateVariables() [L128] CALL step() [L49] signed long int stepLocal_0 = last_1_var_1_21; VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L50] COND FALSE !(last_1_var_1_6 < stepLocal_0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L53] EXPR last_1_var_1_20 ^ last_1_var_1_15 VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L53] signed long int stepLocal_2 = last_1_var_1_20 ^ last_1_var_1_15; [L54] unsigned char stepLocal_1 = var_1_5; VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_1=65, stepLocal_2=1, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L55] COND FALSE !(stepLocal_2 < -256) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_1=65, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L58] COND FALSE !(stepLocal_1 <= 50) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L62] var_1_20 = (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4))) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=75, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_8=15/8, var_1_9=66] [L63] COND TRUE var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9)))) [L64] var_1_8 = ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=-4, var_1_20=75, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_9=66] [L70] var_1_16 = (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) [L71] var_1_1 = ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) [L72] unsigned short int stepLocal_3 = var_1_6; VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_3=10, var_1_15=5, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=1, var_1_20=75, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_9=66] [L73] EXPR (var_1_3 * var_1_17) & (var_1_1 * var_1_18) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_3=10, var_1_15=5, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=1, var_1_20=75, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_9=66] [L73] COND FALSE !(stepLocal_3 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) [L76] COND TRUE ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21 [L77] var_1_15 = ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=140, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=1, var_1_20=75, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_9=66] [L128] RET step() [L129] CALL, EXPR property() [L119] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=140, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=1, var_1_20=75, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_9=66] [L119] EXPR last_1_var_1_20 ^ last_1_var_1_15 VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=140, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=1, var_1_20=75, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_9=66] [L119] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=140, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=1, var_1_20=75, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_9=66] [L119] EXPR (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=140, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=1, var_1_20=75, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_9=66] [L119-L120] return (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) ; [L129] RET, EXPR property() [L129] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=140, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=1, var_1_20=75, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_9=66] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=140, var_1_16=1, var_1_17=-1, var_1_18=0, var_1_19=2, var_1_1=1, var_1_20=75, var_1_21=0, var_1_3=64, var_1_4=75, var_1_5=65, var_1_6=10, var_1_9=66] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 11, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 940 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 936 mSDsluCounter, 3868 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2730 mSDsCounter, 291 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 788 IncrementalHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 291 mSolverCounterUnsat, 1138 mSDtfsCounter, 788 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 357 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1037occurred in iteration=10, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 695 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1798 NumberOfCodeBlocks, 1798 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1388 ConstructedInterpolants, 0 QuantifiedInterpolants, 4092 SizeOfPredicates, 4 NumberOfNonLiveVariables, 635 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 6656/6732 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-01 23:03:36,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-78.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7aa3a904bc60f2a44dbd946a0bac28cae5735c78d2e315e46c1ea5e4f1be7712 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:03:38,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:03:38,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-01 23:03:38,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:03:38,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:03:38,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:03:38,672 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:03:38,672 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:03:38,672 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:03:38,672 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:03:38,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:03:38,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:03:38,673 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:03:38,673 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:03:38,673 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:03:38,674 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:03:38,674 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:03:38,674 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:03:38,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:03:38,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:03:38,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:03:38,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:03:38,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:03:38,674 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-01 23:03:38,674 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-01 23:03:38,675 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-01 23:03:38,675 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:03:38,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:03:38,675 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:03:38,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:03:38,675 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:03:38,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:03:38,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:03:38,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:03:38,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:38,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:03:38,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:03:38,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:03:38,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:03:38,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:38,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:03:38,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:03:38,677 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:03:38,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:03:38,677 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-01 23:03:38,677 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-01 23:03:38,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:03:38,678 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:03:38,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:03:38,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:03:38,678 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_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aa3a904bc60f2a44dbd946a0bac28cae5735c78d2e315e46c1ea5e4f1be7712 [2024-12-01 23:03:38,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:03:38,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:03:38,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:03:38,994 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:03:38,994 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:03:38,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-78.i [2024-12-01 23:03:42,414 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/data/deacca85a/e357d93a8a5d409aa9e410fecbf18601/FLAGd7106c9a4 [2024-12-01 23:03:42,624 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:03:42,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-78.i [2024-12-01 23:03:42,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/data/deacca85a/e357d93a8a5d409aa9e410fecbf18601/FLAGd7106c9a4 [2024-12-01 23:03:42,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/data/deacca85a/e357d93a8a5d409aa9e410fecbf18601 [2024-12-01 23:03:42,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:03:42,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:03:42,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:03:42,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:03:42,661 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:03:42,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:42,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d416576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42, skipping insertion in model container [2024-12-01 23:03:42,662 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:42,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:03:42,820 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_8c116485-c613-49d5-80d3-c670123e3506/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-78.i[915,928] [2024-12-01 23:03:42,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:03:42,904 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:03:42,914 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_8c116485-c613-49d5-80d3-c670123e3506/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-78.i[915,928] [2024-12-01 23:03:42,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:03:42,971 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:03:42,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42 WrapperNode [2024-12-01 23:03:42,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:03:42,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:03:42,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:03:42,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:03:42,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:42,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:43,021 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2024-12-01 23:03:43,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:03:43,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:03:43,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:03:43,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:03:43,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:43,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:43,036 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:43,048 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-01 23:03:43,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:43,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:43,060 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:43,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:43,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:43,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:43,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:43,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:03:43,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:03:43,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:03:43,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:03:43,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (1/1) ... [2024-12-01 23:03:43,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:43,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:03:43,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:03:43,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:03:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:03:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-01 23:03:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-01 23:03:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-01 23:03:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:03:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:03:43,234 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:03:43,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:03:51,207 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-01 23:03:51,208 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:03:51,217 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:03:51,217 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-01 23:03:51,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:51 BoogieIcfgContainer [2024-12-01 23:03:51,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:03:51,220 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:03:51,220 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:03:51,226 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:03:51,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:03:42" (1/3) ... [2024-12-01 23:03:51,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b281c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:03:51, skipping insertion in model container [2024-12-01 23:03:51,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:42" (2/3) ... [2024-12-01 23:03:51,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b281c24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:03:51, skipping insertion in model container [2024-12-01 23:03:51,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:51" (3/3) ... [2024-12-01 23:03:51,229 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-78.i [2024-12-01 23:03:51,242 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:03:51,243 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-78.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-01 23:03:51,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:03:51,308 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;@72b96db3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:03:51,308 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-01 23:03:51,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 38 states have internal predecessors, (49), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:03:51,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-01 23:03:51,322 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:51,323 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:51,323 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:51,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:51,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1002863956, now seen corresponding path program 1 times [2024-12-01 23:03:51,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:03:51,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129887161] [2024-12-01 23:03:51,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:51,339 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:03:51,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:03:51,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:03:51,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-01 23:03:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:51,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 23:03:51,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:03:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-12-01 23:03:51,939 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:03:51,939 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:03:51,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129887161] [2024-12-01 23:03:51,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129887161] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:51,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:51,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:03:51,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363740488] [2024-12-01 23:03:51,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:51,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:03:51,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:03:51,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:03:51,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:03:51,973 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 38 states have internal predecessors, (49), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-01 23:03:52,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:52,002 INFO L93 Difference]: Finished difference Result 109 states and 182 transitions. [2024-12-01 23:03:52,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:03:52,004 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 118 [2024-12-01 23:03:52,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:52,011 INFO L225 Difference]: With dead ends: 109 [2024-12-01 23:03:52,012 INFO L226 Difference]: Without dead ends: 54 [2024-12-01 23:03:52,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:03:52,019 INFO L435 NwaCegarLoop]: 78 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, 78 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:52,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:03:52,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-12-01 23:03:52,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-12-01 23:03:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-01 23:03:52,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 78 transitions. [2024-12-01 23:03:52,065 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 78 transitions. Word has length 118 [2024-12-01 23:03:52,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:52,066 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 78 transitions. [2024-12-01 23:03:52,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-01 23:03:52,066 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2024-12-01 23:03:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-01 23:03:52,069 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:52,070 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:52,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-01 23:03:52,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:03:52,271 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:52,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:52,272 INFO L85 PathProgramCache]: Analyzing trace with hash -550009760, now seen corresponding path program 1 times [2024-12-01 23:03:52,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:03:52,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265797171] [2024-12-01 23:03:52,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:52,273 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:03:52,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:03:52,275 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:03:52,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-01 23:03:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:52,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-01 23:03:52,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:03:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:03:54,719 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:03:54,719 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:03:54,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265797171] [2024-12-01 23:03:54,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [265797171] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:54,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:54,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-01 23:03:54,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999866331] [2024-12-01 23:03:54,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:54,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:03:54,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:03:54,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:03:54,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-01 23:03:54,723 INFO L87 Difference]: Start difference. First operand 54 states and 78 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:03:59,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:04:00,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:04:04,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:04:06,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:04:10,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:04:10,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:10,774 INFO L93 Difference]: Finished difference Result 169 states and 245 transitions. [2024-12-01 23:04:10,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:04:10,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2024-12-01 23:04:10,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:10,803 INFO L225 Difference]: With dead ends: 169 [2024-12-01 23:04:10,803 INFO L226 Difference]: Without dead ends: 118 [2024-12-01 23:04:10,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-01 23:04:10,805 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 60 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 37 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:10,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 268 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 68 Invalid, 3 Unknown, 0 Unchecked, 15.9s Time] [2024-12-01 23:04:10,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-12-01 23:04:10,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 103. [2024-12-01 23:04:10,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 64 states have (on average 1.234375) internal successors, (79), 64 states have internal predecessors, (79), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-01 23:04:10,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 151 transitions. [2024-12-01 23:04:10,822 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 151 transitions. Word has length 118 [2024-12-01 23:04:10,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:10,823 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 151 transitions. [2024-12-01 23:04:10,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:04:10,823 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 151 transitions. [2024-12-01 23:04:10,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-01 23:04:10,824 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:10,825 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:10,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-01 23:04:11,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:11,025 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:11,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:11,026 INFO L85 PathProgramCache]: Analyzing trace with hash -291844322, now seen corresponding path program 1 times [2024-12-01 23:04:11,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:11,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38550507] [2024-12-01 23:04:11,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:11,027 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:11,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:11,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:04:11,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-01 23:04:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:11,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-01 23:04:11,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:11,589 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:04:11,590 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:11,590 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:11,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38550507] [2024-12-01 23:04:11,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38550507] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:11,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:04:11,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-01 23:04:11,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745225878] [2024-12-01 23:04:11,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:11,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-01 23:04:11,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:11,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-01 23:04:11,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:04:11,592 INFO L87 Difference]: Start difference. First operand 103 states and 151 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:04:15,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-01 23:04:15,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:15,285 INFO L93 Difference]: Finished difference Result 154 states and 226 transitions. [2024-12-01 23:04:15,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-01 23:04:15,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2024-12-01 23:04:15,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:15,313 INFO L225 Difference]: With dead ends: 154 [2024-12-01 23:04:15,313 INFO L226 Difference]: Without dead ends: 103 [2024-12-01 23:04:15,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-01 23:04:15,314 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:15,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-12-01 23:04:15,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-12-01 23:04:15,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-12-01 23:04:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 64 states have (on average 1.203125) internal successors, (77), 64 states have internal predecessors, (77), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-12-01 23:04:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 149 transitions. [2024-12-01 23:04:15,337 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 149 transitions. Word has length 118 [2024-12-01 23:04:15,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:15,338 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 149 transitions. [2024-12-01 23:04:15,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:04:15,339 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2024-12-01 23:04:15,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-01 23:04:15,341 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:15,341 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:15,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-01 23:04:15,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:15,542 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:15,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:15,542 INFO L85 PathProgramCache]: Analyzing trace with hash -903940054, now seen corresponding path program 1 times [2024-12-01 23:04:15,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:15,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1914035549] [2024-12-01 23:04:15,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:15,543 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:15,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:15,545 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:04:15,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-01 23:04:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:16,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-01 23:04:16,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:18,206 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 293 proven. 33 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-12-01 23:04:18,206 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-01 23:04:21,205 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:04:21,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1914035549] [2024-12-01 23:04:21,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1914035549] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-01 23:04:21,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [199596499] [2024-12-01 23:04:21,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:21,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-01 23:04:21,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-01 23:04:21,208 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-01 23:04:21,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-01 23:04:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:22,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-01 23:04:22,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:04:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-12-01 23:04:23,825 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:04:23,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [199596499] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:04:23,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-01 23:04:23,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-12-01 23:04:23,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580726368] [2024-12-01 23:04:23,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:04:23,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-01 23:04:23,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:04:23,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-01 23:04:23,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-12-01 23:04:23,827 INFO L87 Difference]: Start difference. First operand 103 states and 149 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:04:27,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:04:31,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:04:35,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:04:39,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:04:43,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:04:47,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-01 23:04:47,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:04:47,595 INFO L93 Difference]: Finished difference Result 235 states and 333 transitions. [2024-12-01 23:04:47,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-01 23:04:47,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 119 [2024-12-01 23:04:47,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:04:47,599 INFO L225 Difference]: With dead ends: 235 [2024-12-01 23:04:47,599 INFO L226 Difference]: Without dead ends: 184 [2024-12-01 23:04:47,600 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-12-01 23:04:47,601 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 42 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.7s IncrementalHoareTripleChecker+Time [2024-12-01 23:04:47,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 199 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 4 Unknown, 0 Unchecked, 23.7s Time] [2024-12-01 23:04:47,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2024-12-01 23:04:47,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 178. [2024-12-01 23:04:47,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 114 states have (on average 1.2105263157894737) internal successors, (138), 116 states have internal predecessors, (138), 58 states have call successors, (58), 5 states have call predecessors, (58), 5 states have return successors, (58), 56 states have call predecessors, (58), 58 states have call successors, (58) [2024-12-01 23:04:47,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 254 transitions. [2024-12-01 23:04:47,638 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 254 transitions. Word has length 119 [2024-12-01 23:04:47,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:04:47,639 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 254 transitions. [2024-12-01 23:04:47,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-01 23:04:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 254 transitions. [2024-12-01 23:04:47,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-01 23:04:47,641 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:04:47,641 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:04:47,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-01 23:04:47,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-01 23:04:48,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:48,042 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:04:48,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:04:48,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1296967064, now seen corresponding path program 1 times [2024-12-01 23:04:48,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:04:48,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189640585] [2024-12-01 23:04:48,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:04:48,044 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-01 23:04:48,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:04:48,046 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-01 23:04:48,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c116485-c613-49d5-80d3-c670123e3506/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-01 23:04:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:04:48,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-01 23:04:49,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:05:35,311 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:05:43,071 WARN L286 SmtUtils]: Spent 7.76s 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) [2024-12-01 23:05:50,912 WARN L286 SmtUtils]: Spent 7.84s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:05:57,323 WARN L286 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:06:05,334 WARN L286 SmtUtils]: Spent 8.01s 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) [2024-12-01 23:06:12,172 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:06:20,241 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:06:27,386 WARN L286 SmtUtils]: Spent 7.14s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:06:35,460 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:06:43,560 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:06:51,626 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:06:58,705 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:07:06,766 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:07:14,989 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:07:22,823 WARN L286 SmtUtils]: Spent 7.83s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:07:30,893 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:07:37,587 WARN L286 SmtUtils]: Spent 6.69s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:07:45,663 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:07:53,392 WARN L286 SmtUtils]: Spent 7.73s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:08:01,474 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:08:09,578 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:08:17,651 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:08:25,754 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:08:33,465 WARN L286 SmtUtils]: Spent 7.71s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:08:41,544 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:08:49,627 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:08:57,761 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:09:05,833 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:09:21,485 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:09:25,519 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_19~0)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse5 ((_ zero_extend 24) c_~var_1_5~0)) (.cse8 ((_ sign_extend 24) c_~var_1_17~0)) (.cse1 ((_ sign_extend 24) c_~var_1_18~0))) (and (bvsge .cse0 (_ bv4294967265 32)) (bvsle .cse1 (_ bv32 32)) (let ((.cse3 (bvadd (_ bv10 32) .cse5)) (.cse4 ((_ zero_extend 24) c_~var_1_4~0))) (let ((.cse2 (bvsgt .cse3 .cse4))) (or (and .cse2 (= ((_ extract 15 0) .cse3) c_~var_1_20~0)) (and (= ((_ extract 15 0) .cse4) c_~var_1_20~0) (not .cse2))))) (= (_ bv0 16) c_~var_1_21~0) (fp.leq c_~var_1_12~0 .cse6) (fp.geq c_~var_1_14~0 .cse7) (bvsle .cse0 (_ bv31 32)) (fp.leq c_~var_1_14~0 .cse6) (fp.geq c_~var_1_13~0 .cse7) (fp.geq c_~var_1_12~0 .cse7) (fp.leq c_~var_1_13~0 .cse6) (bvsge .cse8 (_ bv4294967233 32)) (let ((.cse9 (fp.gt c_~var_1_10~0 c_~var_1_11~0)) (.cse10 (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (or (and .cse9 (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_12~0) .cse10))) (and (not .cse9) (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0) .cse10))))) (fp.leq c_~var_1_11~0 .cse6) (fp.geq c_~var_1_11~0 .cse7) (bvslt (_ bv64 32) (bvsrem .cse5 c_~var_1_9~0)) (not (bvsgt (_ bv32 32) c_~var_1_9~0)) (bvsle .cse8 (_ bv63 32)) (= c_~var_1_3~0 (_ bv64 8)) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv10 16) c_~var_1_6~0) (= (_ bv0 16) c_~last_1_var_1_21~0) (bvsge .cse1 (_ bv4294967265 32)))) is different from false [2024-12-01 23:09:33,450 WARN L286 SmtUtils]: Spent 7.75s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:09:41,526 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:09:49,606 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:09:57,736 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:10:05,796 WARN L286 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:10:13,710 WARN L286 SmtUtils]: Spent 7.91s 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) [2024-12-01 23:10:21,085 WARN L286 SmtUtils]: Spent 7.37s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:10:27,612 WARN L286 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:10:35,660 WARN L286 SmtUtils]: Spent 8.05s 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) [2024-12-01 23:10:43,700 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:10:51,826 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:10:59,926 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:11:08,008 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:11:16,101 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:11:24,225 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:11:32,311 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:11:40,424 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:11:48,503 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:11:56,592 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:12:04,665 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:12:12,743 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:12:20,853 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:12:28,931 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:12:37,035 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:12:44,755 WARN L286 SmtUtils]: Spent 7.72s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:12:52,866 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:13:01,007 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:13:08,186 WARN L286 SmtUtils]: Spent 7.18s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:13:16,312 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:13:24,428 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:13:32,519 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:13:40,600 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:13:48,687 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:13:55,946 WARN L286 SmtUtils]: Spent 7.26s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:14:04,040 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:14:12,122 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:14:20,197 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:14:24,232 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 24) c_~var_1_19~0)) (.cse6 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (.cse7 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (.cse5 ((_ zero_extend 24) c_~var_1_5~0)) (.cse8 ((_ sign_extend 24) c_~var_1_17~0)) (.cse1 ((_ sign_extend 24) c_~var_1_18~0))) (and (bvsge .cse0 (_ bv4294967265 32)) (bvsle .cse1 (_ bv32 32)) (let ((.cse3 (bvadd (_ bv10 32) .cse5)) (.cse4 ((_ zero_extend 24) c_~var_1_4~0))) (let ((.cse2 (bvsgt .cse3 .cse4))) (or (and .cse2 (= ((_ extract 15 0) .cse3) c_~var_1_20~0)) (and (= ((_ extract 15 0) .cse4) c_~var_1_20~0) (not .cse2))))) (= (_ bv0 16) c_~var_1_21~0) (fp.leq c_~var_1_12~0 .cse6) (fp.geq c_~var_1_14~0 .cse7) (bvsle .cse0 (_ bv31 32)) (fp.leq c_~var_1_14~0 .cse6) (fp.geq c_~var_1_13~0 .cse7) (fp.geq c_~var_1_12~0 .cse7) (fp.leq c_~var_1_13~0 .cse6) (bvsge .cse8 (_ bv4294967233 32)) (let ((.cse9 (bvslt .cse0 (_ bv0 32)))) (or (and (= c_~var_1_16~0 ((_ extract 7 0) (bvadd .cse0 .cse8 .cse1))) (not .cse9)) (and (= ((_ extract 7 0) (bvadd .cse8 .cse1 (bvneg .cse0))) c_~var_1_16~0) .cse9))) (let ((.cse10 (fp.gt c_~var_1_10~0 c_~var_1_11~0)) (.cse11 (fp.sub c_currentRoundingMode c_~var_1_13~0 c_~var_1_14~0))) (or (and .cse10 (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_10~0 c_~var_1_12~0) .cse11))) (and (not .cse10) (= c_~var_1_8~0 (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0) .cse11))))) (fp.leq c_~var_1_11~0 .cse6) (fp.geq c_~var_1_11~0 .cse7) (let ((.cse12 ((_ sign_extend 24) c_~var_1_16~0))) (let ((.cse13 (bvslt .cse12 (_ bv0 32)))) (or (and (= c_~var_1_1~0 (bvneg .cse12)) .cse13) (and (not .cse13) (= .cse12 c_~var_1_1~0))))) (bvslt (_ bv64 32) (bvsrem .cse5 c_~var_1_9~0)) (not (bvsgt (_ bv32 32) c_~var_1_9~0)) (bvsle .cse8 (_ bv63 32)) (= c_~var_1_3~0 (_ bv64 8)) (= c_currentRoundingMode roundNearestTiesToEven) (= (_ bv10 16) c_~var_1_6~0) (= (_ bv0 16) c_~last_1_var_1_21~0) (bvsge .cse1 (_ bv4294967265 32)))) is different from false [2024-12-01 23:14:32,454 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:14:40,531 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:14:48,675 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:14:56,823 WARN L286 SmtUtils]: Spent 8.15s 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) [2024-12-01 23:15:04,919 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:15:13,023 WARN L286 SmtUtils]: Spent 8.10s 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) [2024-12-01 23:15:21,156 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:15:28,216 WARN L286 SmtUtils]: Spent 7.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:15:36,299 WARN L286 SmtUtils]: Spent 8.08s 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) [2024-12-01 23:15:44,382 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:15:52,511 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:16:00,630 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:16:08,756 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:16:16,856 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:16:24,962 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:16:33,058 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:16:40,299 WARN L286 SmtUtils]: Spent 7.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:16:48,373 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:16:56,510 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:17:04,589 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:17:12,589 WARN L286 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:17:20,659 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:17:28,184 WARN L286 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:17:36,313 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:17:44,423 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:17:52,541 WARN L286 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:18:00,654 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:18:08,753 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:18:16,832 WARN L286 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)