./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya --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 23abccf904bd3af5b349907c0c1fe36b3f043e0f305d7494258ac56b80497131 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:08:37,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:08:37,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:08:37,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:08:37,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:08:37,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:08:37,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:08:37,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:08:37,402 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:08:37,402 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:08:37,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:08:37,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:08:37,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:08:37,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:08:37,405 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:08:37,406 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:08:37,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:08:37,407 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:08:37,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:08:37,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:08:37,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:08:37,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:08:37,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:08:37,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:08:37,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:08:37,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:08:37,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:08:37,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:08:37,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:08:37,414 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:08:37,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:08:37,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:08:37,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:08:37,415 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:08:37,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:08:37,415 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:08:37,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:08:37,416 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:08:37,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:08:37,416 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:08:37,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:08:37,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:08:37,417 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23abccf904bd3af5b349907c0c1fe36b3f043e0f305d7494258ac56b80497131 [2023-11-29 03:08:37,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:08:37,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:08:37,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:08:37,639 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:08:37,640 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:08:37,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i [2023-11-29 03:08:40,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:08:40,592 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:08:40,592 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i [2023-11-29 03:08:40,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/data/84b4b047a/1c9c3b8c8d694173bbcbc6eb3520c48b/FLAG879b63900 [2023-11-29 03:08:40,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/data/84b4b047a/1c9c3b8c8d694173bbcbc6eb3520c48b [2023-11-29 03:08:40,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:08:40,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:08:40,619 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:08:40,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:08:40,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:08:40,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:40,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d84d84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40, skipping insertion in model container [2023-11-29 03:08:40,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:40,657 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:08:40,774 WARN L240 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_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i[919,932] [2023-11-29 03:08:40,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:08:40,865 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:08:40,874 WARN L240 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_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i[919,932] [2023-11-29 03:08:40,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:08:40,934 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:08:40,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40 WrapperNode [2023-11-29 03:08:40,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:08:40,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:08:40,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:08:40,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:08:40,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:40,954 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:41,006 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 323 [2023-11-29 03:08:41,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:08:41,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:08:41,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:08:41,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:08:41,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:41,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:41,024 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:41,045 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]. [2023-11-29 03:08:41,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:41,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:41,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:41,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:41,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:41,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:41,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:08:41,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:08:41,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:08:41,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:08:41,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (1/1) ... [2023-11-29 03:08:41,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:08:41,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:08:41,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:08:41,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:08:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:08:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:08:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:08:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:08:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:08:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:08:41,230 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:08:41,232 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:08:41,734 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:08:41,764 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:08:41,764 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:08:41,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:08:41 BoogieIcfgContainer [2023-11-29 03:08:41,765 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:08:41,768 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:08:41,768 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:08:41,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:08:41,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:08:40" (1/3) ... [2023-11-29 03:08:41,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6cbb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:08:41, skipping insertion in model container [2023-11-29 03:08:41,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:08:40" (2/3) ... [2023-11-29 03:08:41,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6cbb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:08:41, skipping insertion in model container [2023-11-29 03:08:41,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:08:41" (3/3) ... [2023-11-29 03:08:41,775 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i [2023-11-29 03:08:41,794 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:08:41,794 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:08:41,847 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:08:41,854 INFO L357 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, mHoare=true, 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;@4c0be15e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:08:41,854 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:08:41,858 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 80 states have (on average 1.6) internal successors, (128), 81 states have internal predecessors, (128), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 03:08:41,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-29 03:08:41,873 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:08:41,874 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:08:41,874 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:08:41,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:08:41,879 INFO L85 PathProgramCache]: Analyzing trace with hash 37207400, now seen corresponding path program 1 times [2023-11-29 03:08:41,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:08:41,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478745414] [2023-11-29 03:08:41,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:41,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:08:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:08:42,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:08:42,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478745414] [2023-11-29 03:08:42,112 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 03:08:42,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908455505] [2023-11-29 03:08:42,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:42,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:08:42,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:08:42,114 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:08:42,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:08:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:08:42,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:08:42,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:08:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2178 trivial. 0 not checked. [2023-11-29 03:08:42,377 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:08:42,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908455505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:08:42,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:08:42,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:08:42,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513883722] [2023-11-29 03:08:42,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:08:42,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:08:42,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:08:42,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:08:42,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:08:42,417 INFO L87 Difference]: Start difference. First operand has 117 states, 80 states have (on average 1.6) internal successors, (128), 81 states have internal predecessors, (128), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 03:08:42,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:08:42,462 INFO L93 Difference]: Finished difference Result 231 states and 424 transitions. [2023-11-29 03:08:42,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:08:42,464 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 217 [2023-11-29 03:08:42,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:08:42,473 INFO L225 Difference]: With dead ends: 231 [2023-11-29 03:08:42,473 INFO L226 Difference]: Without dead ends: 115 [2023-11-29 03:08:42,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:08:42,481 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:08:42,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 184 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:08:42,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-29 03:08:42,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-11-29 03:08:42,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 79 states have (on average 1.5063291139240507) internal successors, (119), 79 states have internal predecessors, (119), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 03:08:42,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 187 transitions. [2023-11-29 03:08:42,533 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 187 transitions. Word has length 217 [2023-11-29 03:08:42,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:08:42,534 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 187 transitions. [2023-11-29 03:08:42,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (34), 2 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 03:08:42,534 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 187 transitions. [2023-11-29 03:08:42,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 03:08:42,540 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:08:42,540 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:08:42,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:08:42,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 03:08:42,741 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:08:42,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:08:42,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1110221104, now seen corresponding path program 1 times [2023-11-29 03:08:42,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:08:42,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119633869] [2023-11-29 03:08:42,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:42,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:08:42,814 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:08:42,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1473427643] [2023-11-29 03:08:42,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:42,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:08:42,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:08:42,816 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:08:42,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:08:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:08:43,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 03:08:43,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:08:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:08:43,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:08:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 6 proven. 93 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-29 03:08:44,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:08:44,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119633869] [2023-11-29 03:08:44,337 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:08:44,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473427643] [2023-11-29 03:08:44,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473427643] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:08:44,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:08:44,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 03:08:44,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880631371] [2023-11-29 03:08:44,338 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:08:44,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 03:08:44,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:08:44,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 03:08:44,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:08:44,342 INFO L87 Difference]: Start difference. First operand 115 states and 187 transitions. Second operand has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 11 states have internal predecessors, (89), 4 states have call successors, (68), 3 states have call predecessors, (68), 5 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) [2023-11-29 03:08:45,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:08:45,070 INFO L93 Difference]: Finished difference Result 443 states and 723 transitions. [2023-11-29 03:08:45,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 03:08:45,071 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 11 states have internal predecessors, (89), 4 states have call successors, (68), 3 states have call predecessors, (68), 5 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) Word has length 218 [2023-11-29 03:08:45,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:08:45,077 INFO L225 Difference]: With dead ends: 443 [2023-11-29 03:08:45,077 INFO L226 Difference]: Without dead ends: 329 [2023-11-29 03:08:45,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 425 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2023-11-29 03:08:45,081 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 441 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:08:45,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 901 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 03:08:45,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2023-11-29 03:08:45,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 288. [2023-11-29 03:08:45,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 213 states have (on average 1.5352112676056338) internal successors, (327), 214 states have internal predecessors, (327), 70 states have call successors, (70), 4 states have call predecessors, (70), 4 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-29 03:08:45,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 467 transitions. [2023-11-29 03:08:45,135 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 467 transitions. Word has length 218 [2023-11-29 03:08:45,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:08:45,137 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 467 transitions. [2023-11-29 03:08:45,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.090909090909092) internal successors, (89), 11 states have internal predecessors, (89), 4 states have call successors, (68), 3 states have call predecessors, (68), 5 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) [2023-11-29 03:08:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 467 transitions. [2023-11-29 03:08:45,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-29 03:08:45,142 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:08:45,142 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:08:45,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:08:45,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:08:45,344 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:08:45,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:08:45,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1499962897, now seen corresponding path program 1 times [2023-11-29 03:08:45,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:08:45,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580561227] [2023-11-29 03:08:45,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:45,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:08:45,393 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:08:45,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1700750646] [2023-11-29 03:08:45,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:45,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:08:45,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:08:45,395 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:08:45,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:08:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:08:45,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:08:45,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:08:45,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:08:45,613 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:08:45,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:08:45,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580561227] [2023-11-29 03:08:45,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:08:45,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700750646] [2023-11-29 03:08:45,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700750646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:08:45,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:08:45,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:08:45,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954558903] [2023-11-29 03:08:45,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:08:45,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:08:45,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:08:45,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:08:45,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:08:45,616 INFO L87 Difference]: Start difference. First operand 288 states and 467 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:08:45,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:08:45,751 INFO L93 Difference]: Finished difference Result 862 states and 1399 transitions. [2023-11-29 03:08:45,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:08:45,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2023-11-29 03:08:45,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:08:45,759 INFO L225 Difference]: With dead ends: 862 [2023-11-29 03:08:45,759 INFO L226 Difference]: Without dead ends: 575 [2023-11-29 03:08:45,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:08:45,762 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 168 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:08:45,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 465 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:08:45,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2023-11-29 03:08:45,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 414. [2023-11-29 03:08:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 339 states have (on average 1.5457227138643068) internal successors, (524), 340 states have internal predecessors, (524), 70 states have call successors, (70), 4 states have call predecessors, (70), 4 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-29 03:08:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 664 transitions. [2023-11-29 03:08:45,824 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 664 transitions. Word has length 219 [2023-11-29 03:08:45,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:08:45,825 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 664 transitions. [2023-11-29 03:08:45,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:08:45,826 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 664 transitions. [2023-11-29 03:08:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-11-29 03:08:45,829 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:08:45,830 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:08:45,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 03:08:46,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:08:46,031 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:08:46,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:08:46,031 INFO L85 PathProgramCache]: Analyzing trace with hash 305475437, now seen corresponding path program 1 times [2023-11-29 03:08:46,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:08:46,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566143423] [2023-11-29 03:08:46,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:46,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:08:46,072 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:08:46,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1111519358] [2023-11-29 03:08:46,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:46,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:08:46,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:08:46,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:08:46,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:08:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:08:46,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:08:46,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:08:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:08:46,252 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:08:46,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:08:46,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566143423] [2023-11-29 03:08:46,252 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:08:46,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111519358] [2023-11-29 03:08:46,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111519358] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:08:46,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:08:46,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:08:46,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904103425] [2023-11-29 03:08:46,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:08:46,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:08:46,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:08:46,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:08:46,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:08:46,255 INFO L87 Difference]: Start difference. First operand 414 states and 664 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:08:46,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:08:46,316 INFO L93 Difference]: Finished difference Result 1130 states and 1795 transitions. [2023-11-29 03:08:46,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:08:46,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2023-11-29 03:08:46,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:08:46,322 INFO L225 Difference]: With dead ends: 1130 [2023-11-29 03:08:46,322 INFO L226 Difference]: Without dead ends: 717 [2023-11-29 03:08:46,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:08:46,324 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 167 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:08:46,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 411 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:08:46,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2023-11-29 03:08:46,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 475. [2023-11-29 03:08:46,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 400 states have (on average 1.485) internal successors, (594), 401 states have internal predecessors, (594), 70 states have call successors, (70), 4 states have call predecessors, (70), 4 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-11-29 03:08:46,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 734 transitions. [2023-11-29 03:08:46,369 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 734 transitions. Word has length 219 [2023-11-29 03:08:46,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:08:46,370 INFO L495 AbstractCegarLoop]: Abstraction has 475 states and 734 transitions. [2023-11-29 03:08:46,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:08:46,370 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 734 transitions. [2023-11-29 03:08:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-29 03:08:46,372 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:08:46,372 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:08:46,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:08:46,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:08:46,573 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:08:46,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:08:46,574 INFO L85 PathProgramCache]: Analyzing trace with hash 760476212, now seen corresponding path program 1 times [2023-11-29 03:08:46,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:08:46,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346914144] [2023-11-29 03:08:46,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:46,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:08:46,624 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:08:46,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1483898285] [2023-11-29 03:08:46,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:46,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:08:46,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:08:46,626 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:08:46,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 03:08:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:08:46,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:08:46,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:08:47,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:08:47,058 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:08:47,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:08:47,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346914144] [2023-11-29 03:08:47,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:08:47,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483898285] [2023-11-29 03:08:47,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483898285] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:08:47,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:08:47,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 03:08:47,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254935575] [2023-11-29 03:08:47,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:08:47,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:08:47,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:08:47,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:08:47,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:08:47,061 INFO L87 Difference]: Start difference. First operand 475 states and 734 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:08:47,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:08:47,479 INFO L93 Difference]: Finished difference Result 1890 states and 2935 transitions. [2023-11-29 03:08:47,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:08:47,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2023-11-29 03:08:47,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:08:47,490 INFO L225 Difference]: With dead ends: 1890 [2023-11-29 03:08:47,490 INFO L226 Difference]: Without dead ends: 1416 [2023-11-29 03:08:47,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:08:47,493 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 580 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:08:47,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 787 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 03:08:47,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2023-11-29 03:08:47,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 809. [2023-11-29 03:08:47,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 660 states have (on average 1.4575757575757575) internal successors, (962), 662 states have internal predecessors, (962), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 138 states have call predecessors, (140), 140 states have call successors, (140) [2023-11-29 03:08:47,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1242 transitions. [2023-11-29 03:08:47,617 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1242 transitions. Word has length 220 [2023-11-29 03:08:47,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:08:47,618 INFO L495 AbstractCegarLoop]: Abstraction has 809 states and 1242 transitions. [2023-11-29 03:08:47,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:08:47,618 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1242 transitions. [2023-11-29 03:08:47,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-29 03:08:47,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:08:47,621 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:08:47,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-29 03:08:47,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:08:47,822 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:08:47,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:08:47,823 INFO L85 PathProgramCache]: Analyzing trace with hash 2146679606, now seen corresponding path program 1 times [2023-11-29 03:08:47,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:08:47,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341938474] [2023-11-29 03:08:47,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:47,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:08:47,856 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:08:47,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614735326] [2023-11-29 03:08:47,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:47,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:08:47,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:08:47,858 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:08:47,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 03:08:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:08:48,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 03:08:48,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:08:48,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:08:48,619 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:08:48,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:08:48,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341938474] [2023-11-29 03:08:48,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:08:48,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614735326] [2023-11-29 03:08:48,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614735326] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:08:48,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:08:48,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:08:48,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334731259] [2023-11-29 03:08:48,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:08:48,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:08:48,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:08:48,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:08:48,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:08:48,622 INFO L87 Difference]: Start difference. First operand 809 states and 1242 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:08:48,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:08:48,844 INFO L93 Difference]: Finished difference Result 1453 states and 2239 transitions. [2023-11-29 03:08:48,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:08:48,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2023-11-29 03:08:48,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:08:48,850 INFO L225 Difference]: With dead ends: 1453 [2023-11-29 03:08:48,850 INFO L226 Difference]: Without dead ends: 645 [2023-11-29 03:08:48,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:08:48,853 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 117 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 03:08:48,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 503 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 03:08:48,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2023-11-29 03:08:48,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 547. [2023-11-29 03:08:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 436 states have (on average 1.4472477064220184) internal successors, (631), 437 states have internal predecessors, (631), 104 states have call successors, (104), 6 states have call predecessors, (104), 6 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2023-11-29 03:08:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 839 transitions. [2023-11-29 03:08:48,891 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 839 transitions. Word has length 220 [2023-11-29 03:08:48,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:08:48,892 INFO L495 AbstractCegarLoop]: Abstraction has 547 states and 839 transitions. [2023-11-29 03:08:48,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:08:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 839 transitions. [2023-11-29 03:08:48,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-29 03:08:48,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:08:48,895 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:08:48,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 03:08:49,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:08:49,095 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:08:49,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:08:49,096 INFO L85 PathProgramCache]: Analyzing trace with hash -123916022, now seen corresponding path program 1 times [2023-11-29 03:08:49,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:08:49,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165635489] [2023-11-29 03:08:49,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:49,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:08:49,123 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:08:49,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20657810] [2023-11-29 03:08:49,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:08:49,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:08:49,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:08:49,125 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:08:49,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 03:08:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:08:49,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 03:08:49,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:08:50,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 318 proven. 180 refuted. 0 times theorem prover too weak. 1746 trivial. 0 not checked. [2023-11-29 03:08:50,745 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:09:00,128 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 03:09:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 12 proven. 183 refuted. 0 times theorem prover too weak. 2049 trivial. 0 not checked. [2023-11-29 03:09:00,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:09:00,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165635489] [2023-11-29 03:09:00,198 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:09:00,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20657810] [2023-11-29 03:09:00,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20657810] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:09:00,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:09:00,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 20 [2023-11-29 03:09:00,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868660790] [2023-11-29 03:09:00,199 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:09:00,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-29 03:09:00,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:09:00,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-29 03:09:00,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2023-11-29 03:09:00,201 INFO L87 Difference]: Start difference. First operand 547 states and 839 transitions. Second operand has 20 states, 19 states have (on average 6.052631578947368) internal successors, (115), 18 states have internal predecessors, (115), 6 states have call successors, (68), 4 states have call predecessors, (68), 7 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) [2023-11-29 03:09:20,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:09:26,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:09:29,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:09:29,231 INFO L93 Difference]: Finished difference Result 3474 states and 5292 transitions. [2023-11-29 03:09:29,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2023-11-29 03:09:29,232 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 6.052631578947368) internal successors, (115), 18 states have internal predecessors, (115), 6 states have call successors, (68), 4 states have call predecessors, (68), 7 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) Word has length 221 [2023-11-29 03:09:29,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:09:29,251 INFO L225 Difference]: With dead ends: 3474 [2023-11-29 03:09:29,252 INFO L226 Difference]: Without dead ends: 2998 [2023-11-29 03:09:29,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5998 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=3681, Invalid=9891, Unknown=0, NotChecked=0, Total=13572 [2023-11-29 03:09:29,260 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 2395 mSDsluCounter, 1774 mSDsCounter, 0 mSdLazyCounter, 2612 mSolverCounterSat, 1088 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2402 SdHoareTripleChecker+Valid, 2017 SdHoareTripleChecker+Invalid, 3701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1088 IncrementalHoareTripleChecker+Valid, 2612 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:09:29,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2402 Valid, 2017 Invalid, 3701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1088 Valid, 2612 Invalid, 1 Unknown, 0 Unchecked, 20.1s Time] [2023-11-29 03:09:29,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2998 states. [2023-11-29 03:09:29,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2998 to 1053. [2023-11-29 03:09:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 867 states have (on average 1.4590542099192618) internal successors, (1265), 868 states have internal predecessors, (1265), 172 states have call successors, (172), 13 states have call predecessors, (172), 13 states have return successors, (172), 171 states have call predecessors, (172), 172 states have call successors, (172) [2023-11-29 03:09:29,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1609 transitions. [2023-11-29 03:09:29,539 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1609 transitions. Word has length 221 [2023-11-29 03:09:29,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:09:29,540 INFO L495 AbstractCegarLoop]: Abstraction has 1053 states and 1609 transitions. [2023-11-29 03:09:29,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 6.052631578947368) internal successors, (115), 18 states have internal predecessors, (115), 6 states have call successors, (68), 4 states have call predecessors, (68), 7 states have return successors, (68), 6 states have call predecessors, (68), 6 states have call successors, (68) [2023-11-29 03:09:29,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1609 transitions. [2023-11-29 03:09:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-29 03:09:29,544 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:09:29,544 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:09:29,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 03:09:29,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:09:29,745 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:09:29,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:09:29,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1155947656, now seen corresponding path program 1 times [2023-11-29 03:09:29,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:09:29,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334863090] [2023-11-29 03:09:29,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:09:29,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:09:29,776 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:09:29,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1044251047] [2023-11-29 03:09:29,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:09:29,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:09:29,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:09:29,777 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:09:29,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 03:09:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:09:29,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 03:09:29,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:09:31,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1245 proven. 246 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2023-11-29 03:09:31,783 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:09:33,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 114 proven. 174 refuted. 0 times theorem prover too weak. 1956 trivial. 0 not checked. [2023-11-29 03:09:33,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:09:33,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334863090] [2023-11-29 03:09:33,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:09:33,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044251047] [2023-11-29 03:09:33,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044251047] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:09:33,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:09:33,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 26 [2023-11-29 03:09:33,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593381069] [2023-11-29 03:09:33,692 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:09:33,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-29 03:09:33,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:09:33,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-29 03:09:33,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2023-11-29 03:09:33,695 INFO L87 Difference]: Start difference. First operand 1053 states and 1609 transitions. Second operand has 26 states, 25 states have (on average 4.76) internal successors, (119), 23 states have internal predecessors, (119), 9 states have call successors, (68), 6 states have call predecessors, (68), 11 states have return successors, (68), 9 states have call predecessors, (68), 9 states have call successors, (68) [2023-11-29 03:09:42,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:09:42,328 INFO L93 Difference]: Finished difference Result 2371 states and 3541 transitions. [2023-11-29 03:09:42,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-11-29 03:09:42,329 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.76) internal successors, (119), 23 states have internal predecessors, (119), 9 states have call successors, (68), 6 states have call predecessors, (68), 11 states have return successors, (68), 9 states have call predecessors, (68), 9 states have call successors, (68) Word has length 221 [2023-11-29 03:09:42,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:09:42,335 INFO L225 Difference]: With dead ends: 2371 [2023-11-29 03:09:42,335 INFO L226 Difference]: Without dead ends: 1393 [2023-11-29 03:09:42,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 430 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2750 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=2011, Invalid=5299, Unknown=0, NotChecked=0, Total=7310 [2023-11-29 03:09:42,339 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 1286 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 2003 mSolverCounterSat, 592 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1290 SdHoareTripleChecker+Valid, 1755 SdHoareTripleChecker+Invalid, 2595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 592 IncrementalHoareTripleChecker+Valid, 2003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:09:42,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1290 Valid, 1755 Invalid, 2595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [592 Valid, 2003 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-29 03:09:42,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2023-11-29 03:09:42,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1086. [2023-11-29 03:09:42,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 851 states have (on average 1.3595769682726204) internal successors, (1157), 853 states have internal predecessors, (1157), 206 states have call successors, (206), 28 states have call predecessors, (206), 28 states have return successors, (206), 204 states have call predecessors, (206), 206 states have call successors, (206) [2023-11-29 03:09:42,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1569 transitions. [2023-11-29 03:09:42,552 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1569 transitions. Word has length 221 [2023-11-29 03:09:42,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:09:42,552 INFO L495 AbstractCegarLoop]: Abstraction has 1086 states and 1569 transitions. [2023-11-29 03:09:42,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.76) internal successors, (119), 23 states have internal predecessors, (119), 9 states have call successors, (68), 6 states have call predecessors, (68), 11 states have return successors, (68), 9 states have call predecessors, (68), 9 states have call successors, (68) [2023-11-29 03:09:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1569 transitions. [2023-11-29 03:09:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-29 03:09:42,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:09:42,555 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:09:42,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-29 03:09:42,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-29 03:09:42,755 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:09:42,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:09:42,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1748120055, now seen corresponding path program 1 times [2023-11-29 03:09:42,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:09:42,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272639590] [2023-11-29 03:09:42,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:09:42,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:09:42,786 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:09:42,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2095288191] [2023-11-29 03:09:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:09:42,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:09:42,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:09:42,788 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:09:42,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 03:09:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:09:42,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 03:09:42,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:09:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:09:43,802 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:09:43,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:09:43,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272639590] [2023-11-29 03:09:43,803 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:09:43,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095288191] [2023-11-29 03:09:43,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095288191] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:09:43,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:09:43,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:09:43,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446805610] [2023-11-29 03:09:43,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:09:43,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:09:43,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:09:43,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:09:43,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:09:43,805 INFO L87 Difference]: Start difference. First operand 1086 states and 1569 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:09:46,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-11-29 03:09:47,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-11-29 03:09:49,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-11-29 03:09:50,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-11-29 03:09:56,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-11-29 03:09:57,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-11-29 03:10:03,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-11-29 03:10:05,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:10:05,500 INFO L93 Difference]: Finished difference Result 2073 states and 3047 transitions. [2023-11-29 03:10:05,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:10:05,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2023-11-29 03:10:05,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:10:05,508 INFO L225 Difference]: With dead ends: 2073 [2023-11-29 03:10:05,508 INFO L226 Difference]: Without dead ends: 1489 [2023-11-29 03:10:05,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 03:10:05,510 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 337 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 10 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:10:05,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 765 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 611 Invalid, 7 Unknown, 0 Unchecked, 21.1s Time] [2023-11-29 03:10:05,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2023-11-29 03:10:05,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 1193. [2023-11-29 03:10:05,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1193 states, 958 states have (on average 1.3966597077244258) internal successors, (1338), 960 states have internal predecessors, (1338), 206 states have call successors, (206), 28 states have call predecessors, (206), 28 states have return successors, (206), 204 states have call predecessors, (206), 206 states have call successors, (206) [2023-11-29 03:10:05,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1750 transitions. [2023-11-29 03:10:05,789 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1750 transitions. Word has length 222 [2023-11-29 03:10:05,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:10:05,790 INFO L495 AbstractCegarLoop]: Abstraction has 1193 states and 1750 transitions. [2023-11-29 03:10:05,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:10:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1750 transitions. [2023-11-29 03:10:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-11-29 03:10:05,792 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:10:05,793 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:10:05,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 03:10:05,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 03:10:05,993 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:10:05,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:10:05,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1337181957, now seen corresponding path program 1 times [2023-11-29 03:10:05,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:10:05,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303104451] [2023-11-29 03:10:05,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:10:05,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:10:06,023 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:10:06,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [843042378] [2023-11-29 03:10:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:10:06,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:10:06,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:10:06,025 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:10:06,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 03:10:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:10:06,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 03:10:06,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:10:07,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:10:07,576 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:10:11,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 6 proven. 93 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-11-29 03:10:11,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:10:11,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303104451] [2023-11-29 03:10:11,670 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 03:10:11,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843042378] [2023-11-29 03:10:11,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843042378] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:10:11,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:10:11,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2023-11-29 03:10:11,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316734353] [2023-11-29 03:10:11,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:10:11,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 03:10:11,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:10:11,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 03:10:11,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:10:11,672 INFO L87 Difference]: Start difference. First operand 1193 states and 1750 transitions. Second operand has 16 states, 16 states have (on average 6.9375) internal successors, (111), 16 states have internal predecessors, (111), 4 states have call successors, (68), 3 states have call predecessors, (68), 5 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) [2023-11-29 03:10:20,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:10:20,134 INFO L93 Difference]: Finished difference Result 4334 states and 6313 transitions. [2023-11-29 03:10:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-11-29 03:10:20,135 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.9375) internal successors, (111), 16 states have internal predecessors, (111), 4 states have call successors, (68), 3 states have call predecessors, (68), 5 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) Word has length 222 [2023-11-29 03:10:20,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:10:20,148 INFO L225 Difference]: With dead ends: 4334 [2023-11-29 03:10:20,148 INFO L226 Difference]: Without dead ends: 3226 [2023-11-29 03:10:20,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 856 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=779, Invalid=2083, Unknown=0, NotChecked=0, Total=2862 [2023-11-29 03:10:20,151 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 1677 mSDsluCounter, 1210 mSDsCounter, 0 mSdLazyCounter, 2681 mSolverCounterSat, 803 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 1470 SdHoareTripleChecker+Invalid, 3484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 2681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:10:20,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1717 Valid, 1470 Invalid, 3484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 2681 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-11-29 03:10:20,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3226 states. [2023-11-29 03:10:20,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3226 to 1466. [2023-11-29 03:10:20,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1466 states, 1192 states have (on average 1.3884228187919463) internal successors, (1655), 1194 states have internal predecessors, (1655), 240 states have call successors, (240), 33 states have call predecessors, (240), 33 states have return successors, (240), 238 states have call predecessors, (240), 240 states have call successors, (240) [2023-11-29 03:10:20,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 2135 transitions. [2023-11-29 03:10:20,523 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 2135 transitions. Word has length 222 [2023-11-29 03:10:20,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:10:20,523 INFO L495 AbstractCegarLoop]: Abstraction has 1466 states and 2135 transitions. [2023-11-29 03:10:20,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.9375) internal successors, (111), 16 states have internal predecessors, (111), 4 states have call successors, (68), 3 states have call predecessors, (68), 5 states have return successors, (68), 4 states have call predecessors, (68), 4 states have call successors, (68) [2023-11-29 03:10:20,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2135 transitions. [2023-11-29 03:10:20,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-11-29 03:10:20,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:10:20,531 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:10:20,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 03:10:20,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 03:10:20,732 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:10:20,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:10:20,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1174681080, now seen corresponding path program 1 times [2023-11-29 03:10:20,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:10:20,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454064565] [2023-11-29 03:10:20,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:10:20,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:10:20,757 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 03:10:20,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1433656164] [2023-11-29 03:10:20,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:10:20,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:10:20,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:10:20,759 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:10:20,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 03:10:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:10:23,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:10:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:10:23,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:10:23,654 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 03:10:23,655 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 03:10:23,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 03:10:23,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:10:23,859 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:10:23,862 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 03:10:23,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 03:10:23,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite6 could not be translated [2023-11-29 03:10:23,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 03:10:23,964 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2023-11-29 03:10:23,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-29 03:10:23,965 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-29 03:10:23,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:10:23 BoogieIcfgContainer [2023-11-29 03:10:23,996 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 03:10:23,996 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:10:23,996 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:10:23,996 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:10:23,997 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:08:41" (3/4) ... [2023-11-29 03:10:23,998 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:10:23,999 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:10:23,999 INFO L158 Benchmark]: Toolchain (without parser) took 103381.50ms. Allocated memory was 163.6MB in the beginning and 285.2MB in the end (delta: 121.6MB). Free memory was 123.5MB in the beginning and 170.4MB in the end (delta: -46.9MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2023-11-29 03:10:23,999 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:10:24,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.96ms. Allocated memory is still 163.6MB. Free memory was 123.5MB in the beginning and 107.1MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 03:10:24,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.05ms. Allocated memory is still 163.6MB. Free memory was 107.1MB in the beginning and 100.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 03:10:24,000 INFO L158 Benchmark]: Boogie Preprocessor took 74.52ms. Allocated memory is still 163.6MB. Free memory was 100.5MB in the beginning and 92.9MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 03:10:24,001 INFO L158 Benchmark]: RCFGBuilder took 682.74ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 92.9MB in the beginning and 155.2MB in the end (delta: -62.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-29 03:10:24,001 INFO L158 Benchmark]: TraceAbstraction took 102227.67ms. Allocated memory was 197.1MB in the beginning and 285.2MB in the end (delta: 88.1MB). Free memory was 154.2MB in the beginning and 171.5MB in the end (delta: -17.3MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2023-11-29 03:10:24,001 INFO L158 Benchmark]: Witness Printer took 2.75ms. Allocated memory is still 285.2MB. Free memory was 171.5MB in the beginning and 170.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:10:24,003 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 106.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.96ms. Allocated memory is still 163.6MB. Free memory was 123.5MB in the beginning and 107.1MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.05ms. Allocated memory is still 163.6MB. Free memory was 107.1MB in the beginning and 100.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.52ms. Allocated memory is still 163.6MB. Free memory was 100.5MB in the beginning and 92.9MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 682.74ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 92.9MB in the beginning and 155.2MB in the end (delta: -62.3MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * TraceAbstraction took 102227.67ms. Allocated memory was 197.1MB in the beginning and 285.2MB in the end (delta: 88.1MB). Free memory was 154.2MB in the beginning and 171.5MB in the end (delta: -17.3MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. * Witness Printer took 2.75ms. Allocated memory is still 285.2MB. Free memory was 171.5MB in the beginning and 170.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 someBinaryDOUBLEComparisonOperation at line 208, overapproximation of someBinaryFLOATComparisonOperation at line 208, overapproximation of bitwiseOr at line 130. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] double var_1_3 = 0.875; [L24] unsigned short int var_1_4 = 49926; [L25] unsigned short int var_1_5 = 500; [L26] unsigned short int var_1_6 = 10; [L27] unsigned char var_1_8 = 64; [L28] unsigned short int var_1_9 = 5; [L29] unsigned char var_1_11 = 10; [L30] float var_1_12 = 0.19999999999999996; [L31] float var_1_13 = 9.2; [L32] float var_1_14 = 5.8; [L33] float var_1_15 = 31.25; [L34] unsigned char var_1_16 = 1; [L35] unsigned char var_1_17 = 0; [L36] unsigned char var_1_18 = 0; [L37] unsigned char var_1_19 = 1; [L38] unsigned short int var_1_20 = 256; [L39] unsigned short int var_1_21 = 23544; [L40] unsigned long int var_1_22 = 64; [L41] double var_1_23 = 100.75; [L42] double var_1_29 = 15.75; [L43] double var_1_30 = 10.3; [L44] signed long int var_1_31 = -16; [L45] unsigned char var_1_32 = 128; [L46] unsigned char var_1_33 = 1; [L47] unsigned long int var_1_34 = 64; [L48] unsigned long int var_1_35 = 2280229334; [L49] unsigned short int var_1_36 = 4; [L50] unsigned short int var_1_37 = 37841; [L51] double var_1_38 = 9.5; [L52] signed char var_1_39 = -5; [L53] signed char var_1_40 = 8; [L54] signed char var_1_41 = 8; [L55] signed char var_1_42 = -10; [L56] unsigned char var_1_43 = 1; [L57] unsigned char last_1_var_1_8 = 64; [L58] unsigned char last_1_var_1_19 = 1; [L59] unsigned short int last_1_var_1_20 = 256; [L60] unsigned long int last_1_var_1_22 = 64; [L212] isInitial = 1 [L213] FCALL initially() [L214] COND TRUE 1 [L215] CALL updateLastVariables() [L202] last_1_var_1_8 = var_1_8 [L203] last_1_var_1_19 = var_1_19 [L204] last_1_var_1_20 = var_1_20 [L205] last_1_var_1_22 = var_1_22 [L215] RET updateLastVariables() [L216] CALL updateVariables() [L147] var_1_3 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L148] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L149] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L149] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L150] var_1_4 = __VERIFIER_nondet_ushort() [L151] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L151] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L152] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L152] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L153] var_1_5 = __VERIFIER_nondet_ushort() [L154] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_6=10, var_1_8=64, var_1_9=5] [L154] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_6=10, var_1_8=64, var_1_9=5] [L155] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=10, var_1_8=64, var_1_9=5] [L155] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=10, var_1_8=64, var_1_9=5] [L156] var_1_6 = __VERIFIER_nondet_ushort() [L157] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_8=64, var_1_9=5] [L157] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_8=64, var_1_9=5] [L158] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=5] [L158] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=5] [L159] var_1_9 = __VERIFIER_nondet_ushort() [L160] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64] [L160] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64] [L161] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L161] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L162] var_1_11 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L163] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L164] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L164] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L165] var_1_13 = __VERIFIER_nondet_float() [L166] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L166] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L167] var_1_14 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L168] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L169] var_1_15 = __VERIFIER_nondet_float() [L170] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L170] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L171] var_1_17 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L172] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L173] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L173] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L174] var_1_18 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L175] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L176] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L176] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L177] var_1_21 = __VERIFIER_nondet_ushort() [L178] CALL assume_abort_if_not(var_1_21 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L178] RET assume_abort_if_not(var_1_21 >= 16383) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L179] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L179] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=63/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L180] var_1_29 = __VERIFIER_nondet_double() [L181] CALL assume_abort_if_not((var_1_29 >= -922337.2036854765600e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L181] RET assume_abort_if_not((var_1_29 >= -922337.2036854765600e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=1, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L182] var_1_33 = __VERIFIER_nondet_uchar() [L183] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L183] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L184] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L184] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2280229334, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L185] var_1_35 = __VERIFIER_nondet_ulong() [L186] CALL assume_abort_if_not(var_1_35 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L186] RET assume_abort_if_not(var_1_35 >= 2147483647) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L187] CALL assume_abort_if_not(var_1_35 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L187] RET assume_abort_if_not(var_1_35 <= 4294967294) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=37841, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L188] var_1_37 = __VERIFIER_nondet_ushort() [L189] CALL assume_abort_if_not(var_1_37 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L189] RET assume_abort_if_not(var_1_37 >= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L190] CALL assume_abort_if_not(var_1_37 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L190] RET assume_abort_if_not(var_1_37 <= 65534) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=8, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L191] var_1_40 = __VERIFIER_nondet_char() [L192] CALL assume_abort_if_not(var_1_40 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L192] RET assume_abort_if_not(var_1_40 >= -127) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L193] CALL assume_abort_if_not(var_1_40 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L193] RET assume_abort_if_not(var_1_40 <= 126) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=8, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L194] var_1_41 = __VERIFIER_nondet_char() [L195] CALL assume_abort_if_not(var_1_41 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L195] RET assume_abort_if_not(var_1_41 >= -127) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L196] CALL assume_abort_if_not(var_1_41 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L196] RET assume_abort_if_not(var_1_41 <= 126) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=-10, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L197] var_1_42 = __VERIFIER_nondet_char() [L198] CALL assume_abort_if_not(var_1_42 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L198] RET assume_abort_if_not(var_1_42 >= -126) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L199] CALL assume_abort_if_not(var_1_42 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L199] RET assume_abort_if_not(var_1_42 <= 126) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L216] RET updateVariables() [L217] CALL step() [L64] COND TRUE (last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22) [L65] var_1_16 = (last_1_var_1_19 || var_1_17) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L69] unsigned short int stepLocal_0 = var_1_5; VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L70] COND FALSE !(stepLocal_0 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L75] unsigned short int stepLocal_2 = var_1_4; VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L76] COND TRUE var_1_8 <= stepLocal_2 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L77] COND TRUE \read(var_1_16) [L78] var_1_20 = (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L85] COND TRUE \read(var_1_16) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L86] COND FALSE !((var_1_8 * var_1_8) < var_1_11) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L92] COND TRUE var_1_12 >= (1.3 / var_1_3) [L93] var_1_1 = ((var_1_4 - var_1_8) - var_1_8) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L97] unsigned char stepLocal_1 = var_1_1 < 64; VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L98] COND TRUE \read(var_1_16) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L99] COND TRUE stepLocal_1 || var_1_16 [L100] var_1_19 = var_1_17 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L103] EXPR 2 ^ var_1_20 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L103] EXPR (((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20)) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L103] COND FALSE !(var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) [L106] COND FALSE !(var_1_12 <= var_1_12) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_30=103/10, var_1_31=-16, var_1_32=128, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L113] var_1_30 = var_1_29 [L114] var_1_31 = var_1_22 [L115] var_1_32 = var_1_33 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=64, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L116] COND TRUE var_1_12 > 32.8 [L117] var_1_34 = (((((var_1_35 - var_1_20)) > (var_1_1)) ? ((var_1_35 - var_1_20)) : (var_1_1))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=2147434432, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L119] EXPR var_1_20 & var_1_33 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=2147434432, var_1_35=2147483647, var_1_36=4, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L119] COND TRUE (var_1_20 & var_1_33) <= var_1_1 [L120] var_1_36 = 10 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=2147434432, var_1_35=2147483647, var_1_36=10, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L130] EXPR var_1_22 | (var_1_1 + var_1_20) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=2147434432, var_1_35=2147483647, var_1_36=10, var_1_37=49215, var_1_38=19/2, var_1_39=-5, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L130] COND FALSE !(var_1_33 == (var_1_22 | (var_1_1 + var_1_20))) [L133] COND TRUE var_1_12 >= var_1_12 [L134] var_1_39 = ((((var_1_40) < (var_1_41)) ? (var_1_40) : (var_1_41))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=2147434432, var_1_35=2147483647, var_1_36=10, var_1_37=49215, var_1_38=19/2, var_1_39=126, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L138] COND FALSE !((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) / var_1_37) > (var_1_1 * 10)) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, stepLocal_0=0, stepLocal_1=0, stepLocal_2=65534, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=2147434432, var_1_35=2147483647, var_1_36=10, var_1_37=49215, var_1_38=19/2, var_1_39=126, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L217] RET step() [L218] CALL, EXPR property() [L208] EXPR (((((((var_1_12 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_8) - var_1_8))) : (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (last_1_var_1_19 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_16 ? (((var_1_8 * var_1_8) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22)) ? (var_1_16 == ((unsigned char) (last_1_var_1_19 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_16) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_8 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_8))))) && ((var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) ? (var_1_22 == ((unsigned long int) var_1_1)) : 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=2147434432, var_1_35=2147483647, var_1_36=10, var_1_37=49215, var_1_38=19/2, var_1_39=126, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L208-L209] return (((((((var_1_12 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_8) - var_1_8))) : (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (last_1_var_1_19 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_16 ? (((var_1_8 * var_1_8) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22)) ? (var_1_16 == ((unsigned char) (last_1_var_1_19 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_16) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_8 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_8))))) && ((var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) ? (var_1_22 == ((unsigned long int) var_1_1)) : 1) ; [L218] RET, EXPR property() [L218] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=2147434432, var_1_35=2147483647, var_1_36=10, var_1_37=49215, var_1_38=19/2, var_1_39=126, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=65406, var_1_20=49215, var_1_21=16383, var_1_22=64, var_1_23=403/4, var_1_29=2, var_1_30=2, var_1_31=64, var_1_32=0, var_1_33=0, var_1_34=2147434432, var_1_35=2147483647, var_1_36=10, var_1_37=49215, var_1_38=19/2, var_1_39=126, var_1_40=126, var_1_41=126, var_1_42=126, var_1_43=1, var_1_4=65534, var_1_5=0, var_1_6=0, var_1_8=64, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 102.0s, OverallIterations: 11, TraceHistogramMax: 34, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 69.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 7221 SdHoareTripleChecker+Valid, 52.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7168 mSDsluCounter, 9258 SdHoareTripleChecker+Invalid, 49.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6985 mSDsCounter, 2798 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8628 IncrementalHoareTripleChecker+Invalid, 11434 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2798 mSolverCounterUnsat, 2273 mSDtfsCounter, 8628 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3324 GetRequests, 3042 SyntacticMatches, 0 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9644 ImplicationChecksByTransitivity, 23.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1466occurred in iteration=10, InterpolantAutomatonStates: 259, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 5457 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 23.4s InterpolantComputationTime, 2639 NumberOfCodeBlocks, 2639 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3067 ConstructedInterpolants, 7 QuantifiedInterpolants, 26424 SizeOfPredicates, 40 NumberOfNonLiveVariables, 5089 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 30261/31416 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 03:10:24,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya --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 23abccf904bd3af5b349907c0c1fe36b3f043e0f305d7494258ac56b80497131 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:10:25,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:10:25,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 03:10:25,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:10:25,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:10:25,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:10:25,995 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:10:25,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:10:25,997 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:10:25,997 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:10:25,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:10:25,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:10:25,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:10:26,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:10:26,000 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:10:26,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:10:26,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:10:26,002 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:10:26,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:10:26,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:10:26,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:10:26,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:10:26,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:10:26,005 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 03:10:26,006 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 03:10:26,006 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 03:10:26,007 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:10:26,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:10:26,007 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:10:26,008 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:10:26,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:10:26,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:10:26,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:10:26,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:10:26,009 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:10:26,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:10:26,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:10:26,010 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 03:10:26,010 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 03:10:26,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:10:26,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:10:26,011 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:10:26,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:10:26,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:10:26,012 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 03:10:26,012 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23abccf904bd3af5b349907c0c1fe36b3f043e0f305d7494258ac56b80497131 [2023-11-29 03:10:26,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:10:26,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:10:26,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:10:26,337 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:10:26,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:10:26,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i [2023-11-29 03:10:29,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:10:29,327 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:10:29,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i [2023-11-29 03:10:29,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/data/37b39e645/207160a92df545939728b4263822c4fa/FLAG2011f539f [2023-11-29 03:10:29,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/data/37b39e645/207160a92df545939728b4263822c4fa [2023-11-29 03:10:29,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:10:29,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:10:29,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:10:29,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:10:29,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:10:29,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10856509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29, skipping insertion in model container [2023-11-29 03:10:29,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,403 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:10:29,551 WARN L240 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_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i[919,932] [2023-11-29 03:10:29,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:10:29,637 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:10:29,650 WARN L240 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_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i[919,932] [2023-11-29 03:10:29,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:10:29,745 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:10:29,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29 WrapperNode [2023-11-29 03:10:29,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:10:29,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:10:29,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:10:29,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:10:29,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,799 INFO L138 Inliner]: procedures = 27, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 218 [2023-11-29 03:10:29,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:10:29,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:10:29,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:10:29,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:10:29,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,819 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,834 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]. [2023-11-29 03:10:29,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:10:29,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:10:29,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:10:29,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:10:29,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (1/1) ... [2023-11-29 03:10:29,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:10:29,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:10:29,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:10:29,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:10:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:10:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 03:10:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 03:10:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 03:10:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:10:29,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:10:30,028 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:10:30,031 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:10:41,992 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:10:42,037 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:10:42,037 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 03:10:42,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:10:42 BoogieIcfgContainer [2023-11-29 03:10:42,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:10:42,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:10:42,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:10:42,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:10:42,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:10:29" (1/3) ... [2023-11-29 03:10:42,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745f33fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:10:42, skipping insertion in model container [2023-11-29 03:10:42,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:10:29" (2/3) ... [2023-11-29 03:10:42,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@745f33fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:10:42, skipping insertion in model container [2023-11-29 03:10:42,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:10:42" (3/3) ... [2023-11-29 03:10:42,047 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-47.i [2023-11-29 03:10:42,065 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:10:42,066 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 03:10:42,114 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:10:42,119 INFO L357 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, mHoare=true, 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;@1adb7a3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:10:42,119 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 03:10:42,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 03:10:42,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 03:10:42,139 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:10:42,140 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:10:42,141 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:10:42,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:10:42,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1387935643, now seen corresponding path program 1 times [2023-11-29 03:10:42,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:10:42,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850604096] [2023-11-29 03:10:42,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:10:42,158 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 [2023-11-29 03:10:42,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:10:42,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:10:42,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:10:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:10:43,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 03:10:43,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:10:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1074 proven. 0 refuted. 0 times theorem prover too weak. 1170 trivial. 0 not checked. [2023-11-29 03:10:43,247 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:10:43,248 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:10:43,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850604096] [2023-11-29 03:10:43,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850604096] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:10:43,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:10:43,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:10:43,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77835704] [2023-11-29 03:10:43,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:10:43,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:10:43,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:10:43,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:10:43,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:10:43,289 INFO L87 Difference]: Start difference. First operand has 92 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 03:10:48,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:10:48,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:10:48,083 INFO L93 Difference]: Finished difference Result 180 states and 330 transitions. [2023-11-29 03:10:48,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:10:48,279 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 211 [2023-11-29 03:10:48,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:10:48,286 INFO L225 Difference]: With dead ends: 180 [2023-11-29 03:10:48,286 INFO L226 Difference]: Without dead ends: 89 [2023-11-29 03:10:48,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:10:48,293 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:10:48,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 03:10:48,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-11-29 03:10:48,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2023-11-29 03:10:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 53 states have internal predecessors, (74), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-29 03:10:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 142 transitions. [2023-11-29 03:10:48,339 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 142 transitions. Word has length 211 [2023-11-29 03:10:48,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:10:48,339 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 142 transitions. [2023-11-29 03:10:48,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 03:10:48,340 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2023-11-29 03:10:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 03:10:48,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:10:48,343 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:10:48,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 03:10:48,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:10:48,544 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:10:48,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:10:48,545 INFO L85 PathProgramCache]: Analyzing trace with hash -882278167, now seen corresponding path program 1 times [2023-11-29 03:10:48,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:10:48,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635490132] [2023-11-29 03:10:48,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:10:48,547 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 [2023-11-29 03:10:48,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:10:48,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:10:48,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:10:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:10:49,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:10:49,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:10:51,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:10:51,393 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:10:51,827 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:10:51,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635490132] [2023-11-29 03:10:51,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [635490132] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:10:51,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1603733139] [2023-11-29 03:10:51,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:10:51,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:10:51,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:10:51,830 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:10:51,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-29 03:10:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:10:52,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 03:10:52,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:10:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:10:52,498 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:10:52,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1603733139] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:10:52,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:10:52,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-29 03:10:52,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80391425] [2023-11-29 03:10:52,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:10:52,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:10:52,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:10:52,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:10:52,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:10:52,503 INFO L87 Difference]: Start difference. First operand 89 states and 142 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:10:57,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:11:02,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:11:07,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:11:11,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:11:15,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:11:21,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:11:21,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:11:21,481 INFO L93 Difference]: Finished difference Result 263 states and 420 transitions. [2023-11-29 03:11:21,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:11:21,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 211 [2023-11-29 03:11:21,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:11:21,486 INFO L225 Difference]: With dead ends: 263 [2023-11-29 03:11:21,486 INFO L226 Difference]: Without dead ends: 175 [2023-11-29 03:11:21,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:11:21,489 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 127 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:11:21,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 377 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 6 Unknown, 0 Unchecked, 28.9s Time] [2023-11-29 03:11:21,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-29 03:11:21,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2023-11-29 03:11:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 102 states have internal predecessors, (138), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-29 03:11:21,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 274 transitions. [2023-11-29 03:11:21,531 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 274 transitions. Word has length 211 [2023-11-29 03:11:21,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:11:21,533 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 274 transitions. [2023-11-29 03:11:21,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:11:21,533 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 274 transitions. [2023-11-29 03:11:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 03:11:21,538 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:11:21,538 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:11:21,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:11:21,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-29 03:11:21,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 03:11:21,943 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:11:21,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:11:21,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1689777751, now seen corresponding path program 1 times [2023-11-29 03:11:21,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:11:21,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459771883] [2023-11-29 03:11:21,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:11:21,945 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 [2023-11-29 03:11:21,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:11:21,946 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:11:21,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:11:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:11:22,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:11:22,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:11:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:11:24,658 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:11:25,093 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:11:25,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [459771883] [2023-11-29 03:11:25,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [459771883] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:11:25,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [638267457] [2023-11-29 03:11:25,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:11:25,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:11:25,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:11:25,095 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:11:25,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-29 03:11:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:11:26,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:11:26,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:11:35,395 WARN L293 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:11:39,608 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.geq ((_ to_fp 11 53) currentRoundingMode c_~var_1_12~0) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 13.0 10.0)) ~var_1_3~0))) is different from false [2023-11-29 03:11:43,721 WARN L876 $PredicateComparison]: unable to prove that (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.geq ((_ to_fp 11 53) currentRoundingMode c_~var_1_12~0) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 13.0 10.0)) ~var_1_3~0))) is different from true [2023-11-29 03:11:52,134 WARN L293 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:12:00,559 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:12:08,968 WARN L293 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:12:14,066 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:12:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:12:14,068 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:12:14,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [638267457] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:12:14,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:12:14,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-29 03:12:14,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684365528] [2023-11-29 03:12:14,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:12:14,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:12:14,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:12:14,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:12:14,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=41, Unknown=2, NotChecked=12, Total=72 [2023-11-29 03:12:14,071 INFO L87 Difference]: Start difference. First operand 173 states and 274 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:12:18,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:12:18,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:12:18,818 INFO L93 Difference]: Finished difference Result 349 states and 554 transitions. [2023-11-29 03:12:19,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:12:19,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 211 [2023-11-29 03:12:19,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:12:19,026 INFO L225 Difference]: With dead ends: 349 [2023-11-29 03:12:19,026 INFO L226 Difference]: Without dead ends: 177 [2023-11-29 03:12:19,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=17, Invalid=41, Unknown=2, NotChecked=12, Total=72 [2023-11-29 03:12:19,029 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 150 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:12:19,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 150 Unchecked, 4.7s Time] [2023-11-29 03:12:19,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2023-11-29 03:12:19,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2023-11-29 03:12:19,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-29 03:12:19,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 280 transitions. [2023-11-29 03:12:19,059 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 280 transitions. Word has length 211 [2023-11-29 03:12:19,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:12:19,060 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 280 transitions. [2023-11-29 03:12:19,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:12:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 280 transitions. [2023-11-29 03:12:19,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 03:12:19,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:12:19,065 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:12:19,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-29 03:12:19,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:12:19,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:12:19,469 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:12:19,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:12:19,469 INFO L85 PathProgramCache]: Analyzing trace with hash -988713173, now seen corresponding path program 1 times [2023-11-29 03:12:19,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:12:19,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [274190509] [2023-11-29 03:12:19,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:19,470 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 [2023-11-29 03:12:19,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:12:19,471 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:12:19,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:12:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:12:20,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:12:20,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:12:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:12:22,155 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:12:22,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:12:22,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [274190509] [2023-11-29 03:12:22,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [274190509] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:12:22,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [512096232] [2023-11-29 03:12:22,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:12:22,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:12:22,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:12:22,640 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:12:22,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 03:12:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:12:24,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:12:24,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:12:32,252 WARN L293 SmtUtils]: Spent 7.72s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:12:36,455 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.geq ((_ to_fp 11 53) currentRoundingMode c_~var_1_12~0) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 13.0 10.0)) ~var_1_3~0))) is different from false [2023-11-29 03:12:40,571 WARN L876 $PredicateComparison]: unable to prove that (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.geq ((_ to_fp 11 53) currentRoundingMode c_~var_1_12~0) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 13.0 10.0)) ~var_1_3~0))) is different from true [2023-11-29 03:12:49,014 WARN L293 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:12:57,432 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:13:05,877 WARN L293 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:13:10,994 WARN L293 SmtUtils]: Spent 5.10s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:13:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:13:10,996 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:13:10,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [512096232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:13:10,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:13:10,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-29 03:13:10,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700758405] [2023-11-29 03:13:10,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:13:10,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:13:10,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:13:10,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:13:10,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=41, Unknown=2, NotChecked=12, Total=72 [2023-11-29 03:13:10,999 INFO L87 Difference]: Start difference. First operand 177 states and 280 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:13:15,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:13:15,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:13:15,740 INFO L93 Difference]: Finished difference Result 354 states and 561 transitions. [2023-11-29 03:13:15,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:13:15,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 211 [2023-11-29 03:13:15,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:13:15,950 INFO L225 Difference]: With dead ends: 354 [2023-11-29 03:13:15,950 INFO L226 Difference]: Without dead ends: 178 [2023-11-29 03:13:15,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=17, Invalid=41, Unknown=2, NotChecked=12, Total=72 [2023-11-29 03:13:15,953 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 150 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-29 03:13:15,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 150 Unchecked, 4.7s Time] [2023-11-29 03:13:15,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-29 03:13:15,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 177. [2023-11-29 03:13:15,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 106 states have (on average 1.3584905660377358) internal successors, (144), 106 states have internal predecessors, (144), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2023-11-29 03:13:15,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 280 transitions. [2023-11-29 03:13:15,974 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 280 transitions. Word has length 211 [2023-11-29 03:13:15,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:13:15,975 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 280 transitions. [2023-11-29 03:13:15,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:13:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 280 transitions. [2023-11-29 03:13:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 03:13:15,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:13:15,978 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:13:15,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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)] Forceful destruction successful, exit code 0 [2023-11-29 03:13:16,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-29 03:13:16,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 03:13:16,379 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:13:16,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:13:16,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1594072295, now seen corresponding path program 1 times [2023-11-29 03:13:16,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:13:16,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [201021984] [2023-11-29 03:13:16,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:13:16,380 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 [2023-11-29 03:13:16,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:13:16,381 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:13:16,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-29 03:13:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:13:17,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:13:17,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:13:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:13:19,001 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:13:19,510 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:13:19,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [201021984] [2023-11-29 03:13:19,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [201021984] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:13:19,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [107296722] [2023-11-29 03:13:19,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:13:19,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:13:19,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:13:19,512 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:13:19,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-29 03:13:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:13:21,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:13:21,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:13:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:13:23,888 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:13:23,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [107296722] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:13:23,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:13:23,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2023-11-29 03:13:23,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058796496] [2023-11-29 03:13:23,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:13:23,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:13:23,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:13:23,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:13:23,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-11-29 03:13:23,891 INFO L87 Difference]: Start difference. First operand 177 states and 280 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:13:29,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:13:33,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:13:38,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:13:42,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:13:47,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:13:51,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:13:55,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:14:00,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:14:04,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:14:08,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:14:11,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:14:16,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:14:20,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:14:27,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:14:31,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:14:36,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:14:40,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:14:44,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:14:49,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:14:53,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:14:57,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:15:01,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:15:05,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:15:09,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:15:11,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:15:18,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:15:22,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:15:27,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:15:31,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:15:31,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:15:31,481 INFO L93 Difference]: Finished difference Result 882 states and 1397 transitions. [2023-11-29 03:15:31,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:15:31,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 211 [2023-11-29 03:15:31,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:15:31,487 INFO L225 Difference]: With dead ends: 882 [2023-11-29 03:15:31,487 INFO L226 Difference]: Without dead ends: 706 [2023-11-29 03:15:31,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-11-29 03:15:31,489 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 222 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 142 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 124.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 126.6s IncrementalHoareTripleChecker+Time [2023-11-29 03:15:31,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 714 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 314 Invalid, 26 Unknown, 0 Unchecked, 126.6s Time] [2023-11-29 03:15:31,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2023-11-29 03:15:31,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 383. [2023-11-29 03:15:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 242 states have (on average 1.371900826446281) internal successors, (332), 242 states have internal predecessors, (332), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2023-11-29 03:15:31,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 604 transitions. [2023-11-29 03:15:31,559 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 604 transitions. Word has length 211 [2023-11-29 03:15:31,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:15:31,560 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 604 transitions. [2023-11-29 03:15:31,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:15:31,560 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 604 transitions. [2023-11-29 03:15:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 03:15:31,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:15:31,562 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:15:31,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-29 03:15:31,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-11-29 03:15:31,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 03:15:31,963 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:15:31,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:15:31,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1651330597, now seen corresponding path program 1 times [2023-11-29 03:15:31,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:15:31,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810982555] [2023-11-29 03:15:31,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:31,964 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 [2023-11-29 03:15:31,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:15:31,965 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:15:31,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-29 03:15:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:32,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:15:32,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:15:34,691 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:15:35,207 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:15:35,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810982555] [2023-11-29 03:15:35,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [810982555] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:15:35,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1684267255] [2023-11-29 03:15:35,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:15:35,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:15:35,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:15:35,209 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:15:35,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-29 03:15:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:15:37,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:15:37,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:15:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:15:39,368 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:15:39,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1684267255] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:15:39,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:15:39,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2023-11-29 03:15:39,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169164958] [2023-11-29 03:15:39,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:15:39,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 03:15:39,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:15:39,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 03:15:39,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-29 03:15:39,371 INFO L87 Difference]: Start difference. First operand 383 states and 604 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:15:44,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:15:48,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:15:53,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:15:57,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:16:01,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:16:06,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:16:10,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:16:15,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:16:19,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:16:23,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:16:27,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:16:28,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:16:28,082 INFO L93 Difference]: Finished difference Result 1660 states and 2615 transitions. [2023-11-29 03:16:28,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 03:16:28,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 211 [2023-11-29 03:16:28,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:16:28,095 INFO L225 Difference]: With dead ends: 1660 [2023-11-29 03:16:28,095 INFO L226 Difference]: Without dead ends: 1278 [2023-11-29 03:16:28,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2023-11-29 03:16:28,098 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 344 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 213 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.4s IncrementalHoareTripleChecker+Time [2023-11-29 03:16:28,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 763 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 41 Invalid, 11 Unknown, 0 Unchecked, 48.4s Time] [2023-11-29 03:16:28,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1278 states. [2023-11-29 03:16:28,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1278 to 831. [2023-11-29 03:16:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 550 states have (on average 1.3509090909090908) internal successors, (743), 550 states have internal predecessors, (743), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2023-11-29 03:16:28,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1287 transitions. [2023-11-29 03:16:28,263 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1287 transitions. Word has length 211 [2023-11-29 03:16:28,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:16:28,263 INFO L495 AbstractCegarLoop]: Abstraction has 831 states and 1287 transitions. [2023-11-29 03:16:28,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:16:28,264 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1287 transitions. [2023-11-29 03:16:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-29 03:16:28,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:16:28,266 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:16:28,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2023-11-29 03:16:28,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-11-29 03:16:28,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 03:16:28,667 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:16:28,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:16:28,667 INFO L85 PathProgramCache]: Analyzing trace with hash 833682147, now seen corresponding path program 1 times [2023-11-29 03:16:28,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:16:28,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [765590782] [2023-11-29 03:16:28,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:16:28,668 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 [2023-11-29 03:16:28,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:16:28,669 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:16:28,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 (13)] Waiting until timeout for monitored process [2023-11-29 03:16:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:16:29,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:16:29,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:16:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:16:35,252 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:16:35,252 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:16:35,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [765590782] [2023-11-29 03:16:35,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [765590782] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:16:35,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:16:35,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:16:35,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832433342] [2023-11-29 03:16:35,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:16:35,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:16:35,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:16:35,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:16:35,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:16:35,254 INFO L87 Difference]: Start difference. First operand 831 states and 1287 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:16:40,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:16:45,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:16:50,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:16:54,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:16:59,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:17:04,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:17:09,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:17:13,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:17:17,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:17:17,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:17:17,701 INFO L93 Difference]: Finished difference Result 1371 states and 2123 transitions. [2023-11-29 03:17:17,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:17:17,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 211 [2023-11-29 03:17:17,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:17:17,923 INFO L225 Difference]: With dead ends: 1371 [2023-11-29 03:17:17,923 INFO L226 Difference]: Without dead ends: 541 [2023-11-29 03:17:17,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:17:17,926 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 76 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 69 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:17:17,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 390 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 29 Invalid, 9 Unknown, 0 Unchecked, 42.3s Time] [2023-11-29 03:17:17,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2023-11-29 03:17:17,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 481. [2023-11-29 03:17:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 305 states have (on average 1.3442622950819672) internal successors, (410), 305 states have internal predecessors, (410), 170 states have call successors, (170), 5 states have call predecessors, (170), 5 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-11-29 03:17:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 750 transitions. [2023-11-29 03:17:17,991 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 750 transitions. Word has length 211 [2023-11-29 03:17:17,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:17:17,991 INFO L495 AbstractCegarLoop]: Abstraction has 481 states and 750 transitions. [2023-11-29 03:17:17,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:17:17,991 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 750 transitions. [2023-11-29 03:17:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-29 03:17:17,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:17:17,993 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:17:18,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 (13)] Ended with exit code 0 [2023-11-29 03:17:18,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:17:18,194 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:17:18,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:17:18,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1963077590, now seen corresponding path program 1 times [2023-11-29 03:17:18,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:17:18,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175974587] [2023-11-29 03:17:18,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:18,195 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 [2023-11-29 03:17:18,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:17:18,196 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:17:18,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 (14)] Waiting until timeout for monitored process [2023-11-29 03:17:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:19,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:17:19,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:20,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:17:20,873 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:17:21,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:17:21,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175974587] [2023-11-29 03:17:21,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175974587] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:17:21,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [868619116] [2023-11-29 03:17:21,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:17:21,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:17:21,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:17:21,435 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:17:21,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-11-29 03:17:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:17:23,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:17:23,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:17:31,753 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:17:35,964 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.geq ((_ to_fp 11 53) currentRoundingMode c_~var_1_12~0) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 13.0 10.0)) ~var_1_3~0))) is different from false [2023-11-29 03:17:40,090 WARN L876 $PredicateComparison]: unable to prove that (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.geq ((_ to_fp 11 53) currentRoundingMode c_~var_1_12~0) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 13.0 10.0)) ~var_1_3~0))) is different from true [2023-11-29 03:17:48,528 WARN L293 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:17:56,944 WARN L293 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:18:05,376 WARN L293 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:18:11,582 WARN L293 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:18:16,720 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:18:16,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:18:16,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:18:16,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [868619116] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:18:16,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:18:16,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-29 03:18:16,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366405220] [2023-11-29 03:18:16,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:18:16,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:18:16,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:18:16,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:18:16,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=41, Unknown=2, NotChecked=12, Total=72 [2023-11-29 03:18:16,723 INFO L87 Difference]: Start difference. First operand 481 states and 750 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:18:21,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:18:21,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:18:21,561 INFO L93 Difference]: Finished difference Result 887 states and 1392 transitions. [2023-11-29 03:18:21,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:18:21,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2023-11-29 03:18:21,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:18:21,785 INFO L225 Difference]: With dead ends: 887 [2023-11-29 03:18:21,785 INFO L226 Difference]: Without dead ends: 505 [2023-11-29 03:18:21,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=17, Invalid=41, Unknown=2, NotChecked=12, Total=72 [2023-11-29 03:18:21,786 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 153 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 03:18:21,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 153 Unchecked, 4.8s Time] [2023-11-29 03:18:21,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2023-11-29 03:18:21,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 502. [2023-11-29 03:18:21,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 326 states have (on average 1.3496932515337423) internal successors, (440), 326 states have internal predecessors, (440), 170 states have call successors, (170), 5 states have call predecessors, (170), 5 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-11-29 03:18:21,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 780 transitions. [2023-11-29 03:18:21,830 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 780 transitions. Word has length 213 [2023-11-29 03:18:21,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:18:21,831 INFO L495 AbstractCegarLoop]: Abstraction has 502 states and 780 transitions. [2023-11-29 03:18:21,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:18:21,831 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 780 transitions. [2023-11-29 03:18:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-29 03:18:21,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:18:21,832 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:18:21,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-11-29 03:18:22,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 (14)] Ended with exit code 0 [2023-11-29 03:18:22,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 03:18:22,233 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:18:22,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:18:22,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1262013012, now seen corresponding path program 1 times [2023-11-29 03:18:22,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:18:22,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492521532] [2023-11-29 03:18:22,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:22,234 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 [2023-11-29 03:18:22,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:18:22,235 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:18:22,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 (16)] Waiting until timeout for monitored process [2023-11-29 03:18:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:23,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:18:23,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:18:24,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:18:25,425 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:18:25,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492521532] [2023-11-29 03:18:25,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492521532] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:18:25,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [259771377] [2023-11-29 03:18:25,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:18:25,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:18:25,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:18:25,427 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:18:25,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-11-29 03:18:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:18:27,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 03:18:27,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:18:35,722 WARN L293 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:18:39,934 WARN L854 $PredicateComparison]: unable to prove that (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.geq ((_ to_fp 11 53) currentRoundingMode c_~var_1_12~0) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 13.0 10.0)) ~var_1_3~0))) is different from false [2023-11-29 03:18:44,058 WARN L876 $PredicateComparison]: unable to prove that (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.geq ((_ to_fp 11 53) currentRoundingMode c_~var_1_12~0) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 13.0 10.0)) ~var_1_3~0))) is different from true [2023-11-29 03:18:51,671 WARN L293 SmtUtils]: Spent 7.61s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:19:00,097 WARN L293 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:19:08,522 WARN L293 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:19:16,966 WARN L293 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:19:22,159 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 8 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 03:19:22,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:19:22,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:19:22,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [259771377] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:19:22,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:19:22,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2023-11-29 03:19:22,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873972234] [2023-11-29 03:19:22,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:19:22,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:19:22,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:19:22,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:19:22,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=41, Unknown=2, NotChecked=12, Total=72 [2023-11-29 03:19:22,162 INFO L87 Difference]: Start difference. First operand 502 states and 780 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:19:27,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:19:27,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:19:27,119 INFO L93 Difference]: Finished difference Result 896 states and 1407 transitions. [2023-11-29 03:19:27,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:19:27,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2023-11-29 03:19:27,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:19:27,336 INFO L225 Difference]: With dead ends: 896 [2023-11-29 03:19:27,336 INFO L226 Difference]: Without dead ends: 508 [2023-11-29 03:19:27,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=17, Invalid=41, Unknown=2, NotChecked=12, Total=72 [2023-11-29 03:19:27,339 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 153 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-29 03:19:27,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 153 Unchecked, 4.9s Time] [2023-11-29 03:19:27,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2023-11-29 03:19:27,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 499. [2023-11-29 03:19:27,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 323 states have (on average 1.3436532507739938) internal successors, (434), 323 states have internal predecessors, (434), 170 states have call successors, (170), 5 states have call predecessors, (170), 5 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2023-11-29 03:19:27,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 774 transitions. [2023-11-29 03:19:27,414 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 774 transitions. Word has length 213 [2023-11-29 03:19:27,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:19:27,415 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 774 transitions. [2023-11-29 03:19:27,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:19:27,416 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 774 transitions. [2023-11-29 03:19:27,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-29 03:19:27,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:19:27,417 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:19:27,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 (16)] Forceful destruction successful, exit code 0 [2023-11-29 03:19:27,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-11-29 03:19:27,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 03:19:27,818 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:19:27,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:19:27,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1052026028, now seen corresponding path program 1 times [2023-11-29 03:19:27,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:19:27,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041064791] [2023-11-29 03:19:27,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:27,819 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 [2023-11-29 03:19:27,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:19:27,820 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:19:27,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 (18)] Waiting until timeout for monitored process [2023-11-29 03:19:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:28,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:19:28,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:19:30,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:19:30,458 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:19:30,944 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:19:30,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041064791] [2023-11-29 03:19:30,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1041064791] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:19:30,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1192334043] [2023-11-29 03:19:30,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:19:30,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:19:30,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:19:30,945 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:19:30,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-11-29 03:19:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:19:32,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:19:32,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:19:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2023-11-29 03:19:34,925 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 03:19:34,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1192334043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:19:34,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 03:19:34,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2023-11-29 03:19:34,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977255163] [2023-11-29 03:19:34,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:19:34,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:19:34,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:19:34,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:19:34,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:19:34,927 INFO L87 Difference]: Start difference. First operand 499 states and 774 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:19:39,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:19:44,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:19:49,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:19:54,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:19:59,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:20:03,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:20:08,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:20:08,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:20:08,309 INFO L93 Difference]: Finished difference Result 1101 states and 1729 transitions. [2023-11-29 03:20:08,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:20:08,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 213 [2023-11-29 03:20:08,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:20:08,314 INFO L225 Difference]: With dead ends: 1101 [2023-11-29 03:20:08,314 INFO L226 Difference]: Without dead ends: 716 [2023-11-29 03:20:08,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-29 03:20:08,316 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 33 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:20:08,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 285 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 7 Unknown, 0 Unchecked, 33.3s Time] [2023-11-29 03:20:08,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2023-11-29 03:20:08,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 684. [2023-11-29 03:20:08,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 438 states have (on average 1.3470319634703196) internal successors, (590), 438 states have internal predecessors, (590), 238 states have call successors, (238), 7 states have call predecessors, (238), 7 states have return successors, (238), 238 states have call predecessors, (238), 238 states have call successors, (238) [2023-11-29 03:20:08,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 1066 transitions. [2023-11-29 03:20:08,379 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 1066 transitions. Word has length 213 [2023-11-29 03:20:08,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:20:08,379 INFO L495 AbstractCegarLoop]: Abstraction has 684 states and 1066 transitions. [2023-11-29 03:20:08,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2023-11-29 03:20:08,380 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1066 transitions. [2023-11-29 03:20:08,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-11-29 03:20:08,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:20:08,381 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:20:08,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 (18)] Ended with exit code 0 [2023-11-29 03:20:08,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-11-29 03:20:08,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 03:20:08,782 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:20:08,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:20:08,782 INFO L85 PathProgramCache]: Analyzing trace with hash 998614150, now seen corresponding path program 1 times [2023-11-29 03:20:08,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:20:08,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513487492] [2023-11-29 03:20:08,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:08,783 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 [2023-11-29 03:20:08,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:20:08,784 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:20:08,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 (20)] Waiting until timeout for monitored process [2023-11-29 03:20:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:09,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:20:09,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:20:11,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:20:11,448 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:20:12,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:20:12,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513487492] [2023-11-29 03:20:12,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513487492] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:20:12,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [675485861] [2023-11-29 03:20:12,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:20:12,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:20:12,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:20:12,032 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:20:12,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-11-29 03:20:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:20:14,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 03:20:14,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:20:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:20:15,845 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:20:15,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [675485861] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:20:15,930 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:20:15,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2023-11-29 03:20:15,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076579718] [2023-11-29 03:20:15,930 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:20:15,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 03:20:15,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:20:15,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:20:15,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-29 03:20:15,932 INFO L87 Difference]: Start difference. First operand 684 states and 1066 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 03:20:22,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:20:26,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:20:30,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:20:35,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:20:39,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:20:43,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:20:48,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:20:52,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:20:56,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:21:00,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:21:00,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:21:00,533 INFO L93 Difference]: Finished difference Result 1273 states and 1965 transitions. [2023-11-29 03:21:00,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:21:00,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 214 [2023-11-29 03:21:00,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:21:00,775 INFO L225 Difference]: With dead ends: 1273 [2023-11-29 03:21:00,775 INFO L226 Difference]: Without dead ends: 668 [2023-11-29 03:21:00,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-29 03:21:00,778 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 89 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 7 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.3s IncrementalHoareTripleChecker+Time [2023-11-29 03:21:00,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 282 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 233 Invalid, 10 Unknown, 0 Unchecked, 44.3s Time] [2023-11-29 03:21:00,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2023-11-29 03:21:00,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 654. [2023-11-29 03:21:00,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 401 states have (on average 1.2942643391521198) internal successors, (519), 401 states have internal predecessors, (519), 238 states have call successors, (238), 14 states have call predecessors, (238), 14 states have return successors, (238), 238 states have call predecessors, (238), 238 states have call successors, (238) [2023-11-29 03:21:00,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 995 transitions. [2023-11-29 03:21:00,874 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 995 transitions. Word has length 214 [2023-11-29 03:21:00,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:21:00,874 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 995 transitions. [2023-11-29 03:21:00,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 03:21:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 995 transitions. [2023-11-29 03:21:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-11-29 03:21:00,876 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:21:00,876 INFO L195 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:21:00,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 (20)] Ended with exit code 0 [2023-11-29 03:21:01,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-11-29 03:21:01,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 03:21:01,277 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 03:21:01,277 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:21:01,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1369383659, now seen corresponding path program 1 times [2023-11-29 03:21:01,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 03:21:01,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035247390] [2023-11-29 03:21:01,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:01,278 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 [2023-11-29 03:21:01,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 03:21:01,279 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 03:21:01,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/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 (22)] Waiting until timeout for monitored process [2023-11-29 03:21:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:02,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 03:21:02,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:21:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:21:06,462 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:21:08,247 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 03:21:08,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035247390] [2023-11-29 03:21:08,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035247390] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:21:08,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1527150502] [2023-11-29 03:21:08,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:21:08,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 03:21:08,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 03:21:08,249 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 03:21:08,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2c2c8ee-b24f-4d83-bf78-1acaa4c915e5/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-11-29 03:21:10,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:21:10,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 03:21:10,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:21:14,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 285 proven. 93 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2023-11-29 03:21:14,457 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:21:15,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1527150502] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:21:15,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 03:21:15,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 6 [2023-11-29 03:21:15,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462652858] [2023-11-29 03:21:15,008 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 03:21:15,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 03:21:15,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 03:21:15,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 03:21:15,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-29 03:21:15,010 INFO L87 Difference]: Start difference. First operand 654 states and 995 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-11-29 03:21:21,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:21:25,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:21:29,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:21:34,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:21:38,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:21:42,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:21:46,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:21:51,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:21:55,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:22:00,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:22:04,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:22:08,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:22:12,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:22:16,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:22:22,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.95s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:22:26,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 03:22:30,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:22:39,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:22:43,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:22:47,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:22:52,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:22:56,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:23:00,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 03:23:04,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]