./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.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_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 2ca49ab820ec7b63f08a2ce22e67a701d1d86b8ff13cf45853d7baabaed2f9ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:08:46,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:08:46,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:08:46,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:08:46,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:08:46,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:08:46,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:08:46,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:08:46,108 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:08:46,109 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:08:46,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:08:46,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:08:46,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:08:46,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:08:46,112 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:08:46,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:08:46,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:08:46,113 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:08:46,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:08:46,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:08:46,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:08:46,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:08:46,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:08:46,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:08:46,116 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:08:46,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:08:46,117 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:08:46,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:08:46,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:08:46,118 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:08:46,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:08:46,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:08:46,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:08:46,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:08:46,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:08:46,121 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:08:46,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:08:46,121 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:08:46,121 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:08:46,121 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:08:46,122 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:08:46,122 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:08:46,122 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_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ca49ab820ec7b63f08a2ce22e67a701d1d86b8ff13cf45853d7baabaed2f9ad [2023-11-29 04:08:46,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:08:46,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:08:46,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:08:46,374 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:08:46,374 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:08:46,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2023-11-29 04:08:49,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:08:49,387 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:08:49,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2023-11-29 04:08:49,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/data/c64dc195d/3916679b014b46f39e5bba9e0f7ecfd6/FLAGe5fc291e4 [2023-11-29 04:08:49,410 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/data/c64dc195d/3916679b014b46f39e5bba9e0f7ecfd6 [2023-11-29 04:08:49,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:08:49,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:08:49,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:08:49,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:08:49,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:08:49,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a01d65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49, skipping insertion in model container [2023-11-29 04:08:49,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,457 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:08:49,611 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_8645ad3d-dafb-4a00-8c51-c479e0018ce0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i[915,928] [2023-11-29 04:08:49,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:08:49,683 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:08:49,697 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_8645ad3d-dafb-4a00-8c51-c479e0018ce0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i[915,928] [2023-11-29 04:08:49,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:08:49,749 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:08:49,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49 WrapperNode [2023-11-29 04:08:49,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:08:49,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:08:49,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:08:49,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:08:49,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,807 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 152 [2023-11-29 04:08:49,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:08:49,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:08:49,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:08:49,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:08:49,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,825 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,844 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 04:08:49,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:08:49,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:08:49,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:08:49,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:08:49,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (1/1) ... [2023-11-29 04:08:49,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:08:49,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:08:49,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:08:49,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:08:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:08:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:08:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:08:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:08:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:08:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:08:50,024 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:08:50,026 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:08:50,354 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:08:50,398 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:08:50,398 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:08:50,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:08:50 BoogieIcfgContainer [2023-11-29 04:08:50,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:08:50,408 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:08:50,408 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:08:50,412 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:08:50,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:08:49" (1/3) ... [2023-11-29 04:08:50,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563c194a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:08:50, skipping insertion in model container [2023-11-29 04:08:50,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:49" (2/3) ... [2023-11-29 04:08:50,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563c194a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:08:50, skipping insertion in model container [2023-11-29 04:08:50,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:08:50" (3/3) ... [2023-11-29 04:08:50,416 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2023-11-29 04:08:50,468 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:08:50,468 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:08:50,529 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:08:50,535 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;@62319c16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:08:50,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:08:50,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:08:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 04:08:50,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:08:50,555 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:08:50,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:08:50,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:08:50,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1951117343, now seen corresponding path program 1 times [2023-11-29 04:08:50,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:08:50,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575905951] [2023-11-29 04:08:50,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:50,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:08:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:50,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:08:50,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575905951] [2023-11-29 04:08:50,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 04:08:50,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823778605] [2023-11-29 04:08:50,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:50,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:08:50,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:08:50,766 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:08:50,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:08:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:50,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:08:50,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:08:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-29 04:08:50,992 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:08:50,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823778605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:08:50,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:08:50,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:08:50,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521314974] [2023-11-29 04:08:50,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:08:51,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:08:51,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:08:51,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:08:51,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:08:51,036 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:08:51,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:08:51,080 INFO L93 Difference]: Finished difference Result 115 states and 202 transitions. [2023-11-29 04:08:51,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:08:51,083 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2023-11-29 04:08:51,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:08:51,092 INFO L225 Difference]: With dead ends: 115 [2023-11-29 04:08:51,092 INFO L226 Difference]: Without dead ends: 57 [2023-11-29 04:08:51,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 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 04:08:51,100 INFO L413 NwaCegarLoop]: 83 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, 83 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 04:08:51,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:08:51,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-29 04:08:51,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-29 04:08:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:08:51,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions. [2023-11-29 04:08:51,151 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 128 [2023-11-29 04:08:51,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:08:51,152 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 86 transitions. [2023-11-29 04:08:51,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:08:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2023-11-29 04:08:51,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 04:08:51,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:08:51,156 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:08:51,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:08:51,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 04:08:51,361 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:08:51,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:08:51,362 INFO L85 PathProgramCache]: Analyzing trace with hash 2014491099, now seen corresponding path program 1 times [2023-11-29 04:08:51,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:08:51,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963724240] [2023-11-29 04:08:51,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:51,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:08:51,428 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:08:51,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [783230839] [2023-11-29 04:08:51,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:51,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:08:51,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:08:51,431 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:08:51,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:08:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:51,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:08:51,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:08:52,092 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 393 proven. 24 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-11-29 04:08:52,092 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:08:52,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:08:52,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963724240] [2023-11-29 04:08:52,450 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:08:52,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783230839] [2023-11-29 04:08:52,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783230839] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:08:52,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:08:52,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-29 04:08:52,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445294788] [2023-11-29 04:08:52,451 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 04:08:52,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:08:52,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:08:52,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:08:52,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:08:52,454 INFO L87 Difference]: Start difference. First operand 57 states and 86 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:08:52,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:08:52,713 INFO L93 Difference]: Finished difference Result 119 states and 176 transitions. [2023-11-29 04:08:52,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:08:52,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2023-11-29 04:08:52,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:08:52,716 INFO L225 Difference]: With dead ends: 119 [2023-11-29 04:08:52,717 INFO L226 Difference]: Without dead ends: 63 [2023-11-29 04:08:52,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:08:52,719 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 42 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:08:52,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 166 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:08:52,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-29 04:08:52,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2023-11-29 04:08:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:08:52,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 88 transitions. [2023-11-29 04:08:52,737 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 88 transitions. Word has length 128 [2023-11-29 04:08:52,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:08:52,738 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 88 transitions. [2023-11-29 04:08:52,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:08:52,738 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2023-11-29 04:08:52,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 04:08:52,741 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:08:52,741 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:08:52,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:08:52,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:08:52,945 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:08:52,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:08:52,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1975636074, now seen corresponding path program 1 times [2023-11-29 04:08:52,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:08:52,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481265194] [2023-11-29 04:08:52,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:52,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:08:52,995 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:08:52,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1742513213] [2023-11-29 04:08:52,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:52,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:08:52,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:08:52,997 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:08:53,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:08:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:08:53,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:08:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:08:53,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:08:53,422 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:08:53,423 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:08:53,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 04:08:53,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:08:53,629 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 04:08:53,632 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:08:53,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:08:53 BoogieIcfgContainer [2023-11-29 04:08:53,738 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:08:53,738 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:08:53,738 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:08:53,739 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:08:53,739 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:08:50" (3/4) ... [2023-11-29 04:08:53,741 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:08:53,742 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:08:53,743 INFO L158 Benchmark]: Toolchain (without parser) took 4329.25ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 112.4MB in the beginning and 66.2MB in the end (delta: 46.2MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2023-11-29 04:08:53,744 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 153.1MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:08:53,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.95ms. Allocated memory is still 153.1MB. Free memory was 112.4MB in the beginning and 98.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 04:08:53,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.35ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 94.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:08:53,745 INFO L158 Benchmark]: Boogie Preprocessor took 60.47ms. Allocated memory is still 153.1MB. Free memory was 94.6MB in the beginning and 89.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:08:53,745 INFO L158 Benchmark]: RCFGBuilder took 529.26ms. Allocated memory is still 153.1MB. Free memory was 89.0MB in the beginning and 65.2MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-29 04:08:53,746 INFO L158 Benchmark]: TraceAbstraction took 3329.94ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 64.5MB in the beginning and 66.2MB in the end (delta: -1.7MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-11-29 04:08:53,746 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 184.5MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:08:53,749 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 153.1MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.95ms. Allocated memory is still 153.1MB. Free memory was 112.4MB in the beginning and 98.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.35ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 94.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.47ms. Allocated memory is still 153.1MB. Free memory was 94.6MB in the beginning and 89.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 529.26ms. Allocated memory is still 153.1MB. Free memory was 89.0MB in the beginning and 65.2MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3329.94ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 64.5MB in the beginning and 66.2MB in the end (delta: -1.7MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 184.5MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryDOUBLEComparisonOperation at line 139. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 1; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_8 = 64; [L27] signed char var_1_11 = -10; [L28] signed char var_1_12 = 64; [L29] float var_1_13 = 1.6; [L30] float var_1_14 = 3.5; [L31] unsigned char var_1_15 = 8; [L32] unsigned char var_1_16 = 4; [L33] unsigned short int var_1_17 = 2; [L34] unsigned short int var_1_18 = 10000; [L35] signed short int var_1_20 = 4; [L36] signed char var_1_22 = -32; [L37] unsigned long int var_1_23 = 0; [L38] signed short int var_1_24 = 25; [L39] float var_1_25 = 32.6; [L40] signed short int var_1_26 = 8; [L41] unsigned char var_1_27 = 50; [L42] unsigned char var_1_28 = 8; [L43] signed short int var_1_29 = 10; [L44] signed long int var_1_30 = -4; [L45] signed char var_1_31 = -50; [L46] signed char var_1_32 = -32; [L47] unsigned char last_1_var_1_15 = 8; [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] CALL updateLastVariables() [L136] last_1_var_1_15 = var_1_15 [L146] RET updateLastVariables() [L147] CALL updateVariables() [L103] var_1_4 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L104] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L105] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L105] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L106] var_1_5 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L107] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L108] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L108] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L109] var_1_11 = __VERIFIER_nondet_char() [L110] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L110] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L111] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L111] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L112] var_1_12 = __VERIFIER_nondet_char() [L113] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L113] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L114] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L114] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L115] var_1_14 = __VERIFIER_nondet_float() [L116] 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_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L116] 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_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L117] var_1_16 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L118] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L119] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L119] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L120] var_1_18 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L121] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L122] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L122] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_25=163/5, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L123] var_1_25 = __VERIFIER_nondet_float() [L124] CALL assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L124] RET assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=8, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L125] var_1_26 = __VERIFIER_nondet_short() [L126] CALL assume_abort_if_not(var_1_26 >= -32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L126] RET assume_abort_if_not(var_1_26 >= -32766) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L127] CALL assume_abort_if_not(var_1_26 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L127] RET assume_abort_if_not(var_1_26 <= 32766) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=8, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L128] var_1_28 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L129] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L130] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L130] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-32, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L131] var_1_32 = __VERIFIER_nondet_char() [L132] CALL assume_abort_if_not(var_1_32 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L132] RET assume_abort_if_not(var_1_32 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L133] CALL assume_abort_if_not(var_1_32 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L133] RET assume_abort_if_not(var_1_32 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=25, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L147] RET updateVariables() [L148] CALL step() [L51] COND TRUE 32.2f > (25.5f - ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))) [L52] var_1_24 = ((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=50, var_1_28=0, var_1_29=10, var_1_30=-4, var_1_31=-50, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L54] var_1_27 = var_1_28 [L55] var_1_29 = var_1_26 [L56] var_1_30 = var_1_29 [L57] var_1_31 = var_1_32 [L58] unsigned char stepLocal_1 = ! var_1_5; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L59] COND FALSE !(stepLocal_1 || (var_1_12 < last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L66] COND FALSE !((127.35 + var_1_13) <= var_1_13) VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L71] COND TRUE (- var_1_13) > 31.9f [L72] var_1_1 = ((var_1_6 || var_1_4) && var_1_5) VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=8, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L76] COND TRUE \read(var_1_1) [L77] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L79] var_1_22 = 1 [L80] var_1_23 = var_1_22 [L81] unsigned long int stepLocal_0 = var_1_23; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L82] COND FALSE !(var_1_15 > stepLocal_0) VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L85] unsigned char stepLocal_2 = var_1_23 < var_1_15; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, stepLocal_2=0, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=2, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L86] COND TRUE var_1_1 || stepLocal_2 [L87] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)) VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, stepLocal_2=0, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=16385, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L91] signed long int stepLocal_3 = -10; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, stepLocal_2=0, stepLocal_3=-10, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=16385, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L92] COND FALSE !(((var_1_15 / var_1_18) * var_1_15) < stepLocal_3) VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, stepLocal_2=0, stepLocal_3=-10, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=16385, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L95] COND FALSE !(! (var_1_17 <= var_1_17)) [L98] var_1_20 = var_1_12 VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, stepLocal_2=0, stepLocal_3=-10, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=16385, var_1_18=16384, var_1_1=1, var_1_20=126, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L148] RET step() [L149] CALL, EXPR property() [L139-L140] return ((((((((((- var_1_13) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_6 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_13) <= var_1_13) ? ((4.5 <= (var_1_13 * var_1_13)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_15 > var_1_23) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < last_1_var_1_15)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_1 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_1 || (var_1_23 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_15 / var_1_18) * var_1_15) < -10) ? (var_1_20 == ((signed short int) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : ((! (var_1_17 <= var_1_17)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_22)) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=16385, var_1_18=16384, var_1_1=1, var_1_20=126, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, var_1_11=126, var_1_12=126, var_1_13=8/5, var_1_15=1, var_1_16=1, var_1_17=16385, var_1_18=16384, var_1_1=1, var_1_20=126, var_1_22=1, var_1_23=1, var_1_24=0, var_1_26=0, var_1_27=0, var_1_28=0, var_1_29=0, var_1_30=0, var_1_31=-127, var_1_32=-127, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 53 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 249 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 141 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 513 NumberOfCodeBlocks, 513 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 496 SizeOfPredicates, 4 NumberOfNonLiveVariables, 650 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1496/1520 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 04:08:53,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 2ca49ab820ec7b63f08a2ce22e67a701d1d86b8ff13cf45853d7baabaed2f9ad --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:08:55,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:08:55,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:08:55,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:08:55,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:08:55,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:08:55,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:08:55,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:08:55,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:08:55,884 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:08:55,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:08:55,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:08:55,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:08:55,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:08:55,888 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:08:55,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:08:55,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:08:55,889 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:08:55,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:08:55,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:08:55,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:08:55,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:08:55,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:08:55,893 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:08:55,893 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:08:55,894 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:08:55,894 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:08:55,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:08:55,895 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:08:55,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:08:55,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:08:55,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:08:55,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:08:55,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:08:55,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:08:55,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:08:55,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:08:55,898 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:08:55,898 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:08:55,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:08:55,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:08:55,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:08:55,899 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:08:55,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:08:55,899 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:08:55,899 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_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ca49ab820ec7b63f08a2ce22e67a701d1d86b8ff13cf45853d7baabaed2f9ad [2023-11-29 04:08:56,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:08:56,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:08:56,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:08:56,249 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:08:56,249 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:08:56,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2023-11-29 04:08:59,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:08:59,258 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:08:59,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2023-11-29 04:08:59,270 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/data/832ab1825/a9fe0706fbd343ef80a9518ea03ff7c5/FLAG75c17c611 [2023-11-29 04:08:59,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/data/832ab1825/a9fe0706fbd343ef80a9518ea03ff7c5 [2023-11-29 04:08:59,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:08:59,289 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:08:59,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:08:59,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:08:59,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:08:59,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@208ac747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59, skipping insertion in model container [2023-11-29 04:08:59,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:08:59,457 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_8645ad3d-dafb-4a00-8c51-c479e0018ce0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i[915,928] [2023-11-29 04:08:59,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:08:59,550 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:08:59,560 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_8645ad3d-dafb-4a00-8c51-c479e0018ce0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-41.i[915,928] [2023-11-29 04:08:59,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:08:59,603 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:08:59,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59 WrapperNode [2023-11-29 04:08:59,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:08:59,605 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:08:59,605 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:08:59,605 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:08:59,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,651 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148 [2023-11-29 04:08:59,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:08:59,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:08:59,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:08:59,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:08:59,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,668 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,681 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 04:08:59,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:08:59,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:08:59,710 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:08:59,710 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:08:59,711 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (1/1) ... [2023-11-29 04:08:59,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:08:59,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:08:59,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:08:59,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:08:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:08:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:08:59,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:08:59,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:08:59,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:08:59,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:08:59,856 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:08:59,858 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:09:03,147 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:09:03,198 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:09:03,198 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:09:03,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:09:03 BoogieIcfgContainer [2023-11-29 04:09:03,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:09:03,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:09:03,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:09:03,205 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:09:03,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:08:59" (1/3) ... [2023-11-29 04:09:03,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782a01ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:09:03, skipping insertion in model container [2023-11-29 04:09:03,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:59" (2/3) ... [2023-11-29 04:09:03,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782a01ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:09:03, skipping insertion in model container [2023-11-29 04:09:03,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:09:03" (3/3) ... [2023-11-29 04:09:03,208 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-41.i [2023-11-29 04:09:03,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:09:03,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:09:03,268 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:09:03,273 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;@1958189, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:09:03,274 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:09:03,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:09:03,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 04:09:03,291 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:03,292 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:03,293 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:03,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:03,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1951117343, now seen corresponding path program 1 times [2023-11-29 04:09:03,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:09:03,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430573703] [2023-11-29 04:09:03,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:03,323 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 04:09:03,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:09:03,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 04:09:03,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 04:09:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:03,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:09:03,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:09:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2023-11-29 04:09:03,828 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:09:03,829 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:09:03,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430573703] [2023-11-29 04:09:03,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430573703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:03,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:03,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:09:03,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495082758] [2023-11-29 04:09:03,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:03,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:09:03,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:09:03,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:09:03,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:09:03,870 INFO L87 Difference]: Start difference. First operand has 59 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 37 states have internal predecessors, (52), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:09:05,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:09:05,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:05,444 INFO L93 Difference]: Finished difference Result 115 states and 202 transitions. [2023-11-29 04:09:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:09:05,468 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 128 [2023-11-29 04:09:05,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:05,474 INFO L225 Difference]: With dead ends: 115 [2023-11-29 04:09:05,474 INFO L226 Difference]: Without dead ends: 57 [2023-11-29 04:09:05,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 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 04:09:05,478 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:05,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 04:09:05,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-11-29 04:09:05,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-29 04:09:05,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 35 states have internal predecessors, (46), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 04:09:05,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 86 transitions. [2023-11-29 04:09:05,511 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 86 transitions. Word has length 128 [2023-11-29 04:09:05,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:05,511 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 86 transitions. [2023-11-29 04:09:05,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 04:09:05,512 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2023-11-29 04:09:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 04:09:05,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:05,514 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:05,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 04:09:05,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 04:09:05,715 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:05,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:05,716 INFO L85 PathProgramCache]: Analyzing trace with hash 2014491099, now seen corresponding path program 1 times [2023-11-29 04:09:05,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:09:05,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868501020] [2023-11-29 04:09:05,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:05,717 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 04:09:05,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:09:05,718 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 04:09:05,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 04:09:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:06,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:09:06,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:09:07,429 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:09:07,429 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:09:07,429 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:09:07,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868501020] [2023-11-29 04:09:07,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868501020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:07,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:09:07,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:09:07,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084565645] [2023-11-29 04:09:07,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:07,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:09:07,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:09:07,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:09:07,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:09:07,434 INFO L87 Difference]: Start difference. First operand 57 states and 86 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:09:09,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:09:12,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:09:12,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:12,879 INFO L93 Difference]: Finished difference Result 168 states and 254 transitions. [2023-11-29 04:09:12,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:09:12,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2023-11-29 04:09:12,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:12,887 INFO L225 Difference]: With dead ends: 168 [2023-11-29 04:09:12,887 INFO L226 Difference]: Without dead ends: 112 [2023-11-29 04:09:12,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 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 04:09:12,890 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 20 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:12,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 148 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-29 04:09:12,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-29 04:09:12,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 109. [2023-11-29 04:09:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 66 states have (on average 1.2727272727272727) internal successors, (84), 66 states have internal predecessors, (84), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 04:09:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 164 transitions. [2023-11-29 04:09:12,915 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 164 transitions. Word has length 128 [2023-11-29 04:09:12,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:12,916 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 164 transitions. [2023-11-29 04:09:12,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:09:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 164 transitions. [2023-11-29 04:09:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 04:09:12,919 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:12,919 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:12,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 04:09:13,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 04:09:13,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:13,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:13,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1579411619, now seen corresponding path program 1 times [2023-11-29 04:09:13,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:09:13,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961089190] [2023-11-29 04:09:13,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:13,122 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 04:09:13,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:09:13,123 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 04:09:13,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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)] Waiting until timeout for monitored process [2023-11-29 04:09:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:13,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:09:13,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:09:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 403 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2023-11-29 04:09:14,315 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:09:16,785 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:09:16,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961089190] [2023-11-29 04:09:16,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961089190] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:09:16,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [45385715] [2023-11-29 04:09:16,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:16,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:09:16,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:09:16,809 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:09:16,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-29 04:09:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:17,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:09:17,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:09:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 04:09:18,185 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:09:18,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [45385715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:09:18,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:09:18,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-29 04:09:18,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561218042] [2023-11-29 04:09:18,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:09:18,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:09:18,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:09:18,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:09:18,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:09:18,189 INFO L87 Difference]: Start difference. First operand 109 states and 164 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:09:20,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:09:20,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:20,716 INFO L93 Difference]: Finished difference Result 325 states and 490 transitions. [2023-11-29 04:09:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:09:20,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 128 [2023-11-29 04:09:20,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:20,719 INFO L225 Difference]: With dead ends: 325 [2023-11-29 04:09:20,719 INFO L226 Difference]: Without dead ends: 217 [2023-11-29 04:09:20,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-11-29 04:09:20,722 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 95 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:20,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 405 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 04:09:20,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-29 04:09:20,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 215. [2023-11-29 04:09:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 130 states have (on average 1.2461538461538462) internal successors, (162), 130 states have internal predecessors, (162), 80 states have call successors, (80), 4 states have call predecessors, (80), 4 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-29 04:09:20,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 322 transitions. [2023-11-29 04:09:20,765 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 322 transitions. Word has length 128 [2023-11-29 04:09:20,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:20,766 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 322 transitions. [2023-11-29 04:09:20,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 04:09:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 322 transitions. [2023-11-29 04:09:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 04:09:20,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:20,770 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:20,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-29 04:09:20,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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)] Ended with exit code 0 [2023-11-29 04:09:21,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 04:09:21,177 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:21,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:21,178 INFO L85 PathProgramCache]: Analyzing trace with hash -770064993, now seen corresponding path program 1 times [2023-11-29 04:09:21,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:09:21,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414770503] [2023-11-29 04:09:21,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:21,179 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 04:09:21,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:09:21,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 04:09:21,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 (6)] Waiting until timeout for monitored process [2023-11-29 04:09:21,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:21,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:09:21,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:09:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 403 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2023-11-29 04:09:21,990 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:09:24,794 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:09:24,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414770503] [2023-11-29 04:09:24,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414770503] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:09:24,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [966686797] [2023-11-29 04:09:24,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:24,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:09:24,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:09:24,796 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:09:24,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-29 04:09:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:25,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 04:09:25,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:09:26,439 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 403 proven. 42 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2023-11-29 04:09:26,439 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:09:27,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [966686797] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:09:27,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:09:27,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2023-11-29 04:09:27,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483923706] [2023-11-29 04:09:27,679 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:09:27,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:09:27,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:09:27,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:09:27,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:09:27,681 INFO L87 Difference]: Start difference. First operand 215 states and 322 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-29 04:09:30,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:09:30,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:09:30,957 INFO L93 Difference]: Finished difference Result 469 states and 675 transitions. [2023-11-29 04:09:30,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 04:09:30,986 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 128 [2023-11-29 04:09:30,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:09:30,989 INFO L225 Difference]: With dead ends: 469 [2023-11-29 04:09:30,989 INFO L226 Difference]: Without dead ends: 255 [2023-11-29 04:09:30,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-29 04:09:30,992 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 44 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:09:30,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 242 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-29 04:09:30,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-11-29 04:09:31,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 247. [2023-11-29 04:09:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 154 states have (on average 1.1948051948051948) internal successors, (184), 154 states have internal predecessors, (184), 80 states have call successors, (80), 12 states have call predecessors, (80), 12 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-11-29 04:09:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 344 transitions. [2023-11-29 04:09:31,038 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 344 transitions. Word has length 128 [2023-11-29 04:09:31,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:09:31,039 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 344 transitions. [2023-11-29 04:09:31,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2023-11-29 04:09:31,039 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 344 transitions. [2023-11-29 04:09:31,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 04:09:31,057 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:09:31,057 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:09:31,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 (6)] Ended with exit code 0 [2023-11-29 04:09:31,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-29 04:09:31,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 04:09:31,468 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:09:31,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:09:31,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1717470636, now seen corresponding path program 1 times [2023-11-29 04:09:31,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:09:31,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2103498062] [2023-11-29 04:09:31,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:09:31,469 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 04:09:31,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:09:31,470 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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 04:09:31,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8645ad3d-dafb-4a00-8c51-c479e0018ce0/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)] Waiting until timeout for monitored process [2023-11-29 04:09:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:09:31,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 04:09:31,839 INFO L285 TraceCheckSpWp]: Computing forward predicates...