./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_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_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 0ce0eb489df8fa084a208059955735f91d7eaccc5d3a522f7cf2150fa7a42b6a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:01:22,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:01:22,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 02:01:22,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:01:22,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:01:22,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:01:22,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:01:22,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:01:22,433 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:01:22,434 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:01:22,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:01:22,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:01:22,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:01:22,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:01:22,437 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:01:22,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:01:22,438 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:01:22,438 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:01:22,439 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 02:01:22,439 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:01:22,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:01:22,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:01:22,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:01:22,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:01:22,442 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:01:22,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:01:22,443 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:01:22,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:01:22,444 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:01:22,444 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:01:22,444 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:01:22,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:01:22,445 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:01:22,445 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:01:22,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:01:22,446 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 02:01:22,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 02:01:22,446 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:01:22,446 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:01:22,446 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:01:22,447 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:01:22,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:01:22,447 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_d66fec44-e178-4702-b7c8-2648ea04ba7a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ce0eb489df8fa084a208059955735f91d7eaccc5d3a522f7cf2150fa7a42b6a [2023-11-29 02:01:22,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:01:22,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:01:22,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:01:22,677 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:01:22,677 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:01:22,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i [2023-11-29 02:01:25,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:01:25,683 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:01:25,684 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i [2023-11-29 02:01:25,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/data/84177354b/851d92ec84564555947d64634843952b/FLAG94b57a0e2 [2023-11-29 02:01:25,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/data/84177354b/851d92ec84564555947d64634843952b [2023-11-29 02:01:25,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:01:25,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:01:25,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:01:25,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:01:25,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:01:25,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:01:25" (1/1) ... [2023-11-29 02:01:25,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1564b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:25, skipping insertion in model container [2023-11-29 02:01:25,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:01:25" (1/1) ... [2023-11-29 02:01:25,747 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:01:25,871 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_d66fec44-e178-4702-b7c8-2648ea04ba7a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i[919,932] [2023-11-29 02:01:25,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:01:25,952 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:01:25,962 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_d66fec44-e178-4702-b7c8-2648ea04ba7a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i[919,932] [2023-11-29 02:01:26,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:01:26,016 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:01:26,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26 WrapperNode [2023-11-29 02:01:26,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:01:26,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:01:26,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:01:26,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:01:26,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (1/1) ... [2023-11-29 02:01:26,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (1/1) ... [2023-11-29 02:01:26,072 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 196 [2023-11-29 02:01:26,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:01:26,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:01:26,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:01:26,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:01:26,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (1/1) ... [2023-11-29 02:01:26,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (1/1) ... [2023-11-29 02:01:26,086 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (1/1) ... [2023-11-29 02:01:26,105 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 02:01:26,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (1/1) ... [2023-11-29 02:01:26,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (1/1) ... [2023-11-29 02:01:26,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (1/1) ... [2023-11-29 02:01:26,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (1/1) ... [2023-11-29 02:01:26,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (1/1) ... [2023-11-29 02:01:26,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (1/1) ... [2023-11-29 02:01:26,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:01:26,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:01:26,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:01:26,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:01:26,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (1/1) ... [2023-11-29 02:01:26,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:01:26,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:01:26,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:01:26,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:01:26,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:01:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:01:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:01:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 02:01:26,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:01:26,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:01:26,276 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:01:26,278 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:01:26,612 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:01:26,647 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:01:26,647 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:01:26,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:01:26 BoogieIcfgContainer [2023-11-29 02:01:26,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:01:26,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:01:26,650 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:01:26,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:01:26,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:01:25" (1/3) ... [2023-11-29 02:01:26,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626e9236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:01:26, skipping insertion in model container [2023-11-29 02:01:26,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:26" (2/3) ... [2023-11-29 02:01:26,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626e9236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:01:26, skipping insertion in model container [2023-11-29 02:01:26,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:01:26" (3/3) ... [2023-11-29 02:01:26,655 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i [2023-11-29 02:01:26,669 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:01:26,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:01:26,712 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:01:26,719 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;@c5fd5f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:01:26,719 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:01:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 53 states have internal predecessors, (79), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 02:01:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 02:01:26,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:01:26,737 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:26,738 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:01:26,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:01:26,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2049822638, now seen corresponding path program 1 times [2023-11-29 02:01:26,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:01:26,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38504769] [2023-11-29 02:01:26,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:26,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:01:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:26,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:01:26,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38504769] [2023-11-29 02:01:26,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 02:01:26,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965274367] [2023-11-29 02:01:26,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:26,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:01:26,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:01:26,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:01:26,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 02:01:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:27,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:01:27,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:01:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-11-29 02:01:27,207 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:01:27,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965274367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:01:27,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:01:27,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:01:27,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711071289] [2023-11-29 02:01:27,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:01:27,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:01:27,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:01:27,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:01:27,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:01:27,245 INFO L87 Difference]: Start difference. First operand has 77 states, 52 states have (on average 1.5192307692307692) internal successors, (79), 53 states have internal predecessors, (79), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 02:01:27,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:01:27,285 INFO L93 Difference]: Finished difference Result 150 states and 264 transitions. [2023-11-29 02:01:27,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:01:27,288 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 148 [2023-11-29 02:01:27,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:01:27,295 INFO L225 Difference]: With dead ends: 150 [2023-11-29 02:01:27,296 INFO L226 Difference]: Without dead ends: 74 [2023-11-29 02:01:27,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 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 02:01:27,303 INFO L413 NwaCegarLoop]: 111 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, 111 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 02:01:27,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:01:27,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-29 02:01:27,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-29 02:01:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.4) internal successors, (70), 50 states have internal predecessors, (70), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 02:01:27,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 114 transitions. [2023-11-29 02:01:27,348 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 114 transitions. Word has length 148 [2023-11-29 02:01:27,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:01:27,348 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 114 transitions. [2023-11-29 02:01:27,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 02:01:27,349 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2023-11-29 02:01:27,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 02:01:27,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:01:27,353 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:27,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 02:01:27,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:01:27,554 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:01:27,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:01:27,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1194567622, now seen corresponding path program 1 times [2023-11-29 02:01:27,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:01:27,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885105895] [2023-11-29 02:01:27,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:27,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:01:27,633 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:01:27,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193740408] [2023-11-29 02:01:27,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:27,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:01:27,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:01:27,635 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:01:27,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 02:01:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:27,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 02:01:27,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:01:28,013 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 02:01:28,014 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:01:28,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:01:28,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885105895] [2023-11-29 02:01:28,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:01:28,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193740408] [2023-11-29 02:01:28,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193740408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:01:28,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:01:28,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:01:28,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069348667] [2023-11-29 02:01:28,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:01:28,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:01:28,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:01:28,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:01:28,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:01:28,018 INFO L87 Difference]: Start difference. First operand 74 states and 114 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 02:01:28,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:01:28,073 INFO L93 Difference]: Finished difference Result 207 states and 323 transitions. [2023-11-29 02:01:28,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:01:28,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2023-11-29 02:01:28,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:01:28,077 INFO L225 Difference]: With dead ends: 207 [2023-11-29 02:01:28,077 INFO L226 Difference]: Without dead ends: 134 [2023-11-29 02:01:28,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 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 02:01:28,080 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 25 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:01:28,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 210 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:01:28,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-29 02:01:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 128. [2023-11-29 02:01:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 81 states have (on average 1.345679012345679) internal successors, (109), 81 states have internal predecessors, (109), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 02:01:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 197 transitions. [2023-11-29 02:01:28,106 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 197 transitions. Word has length 148 [2023-11-29 02:01:28,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:01:28,108 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 197 transitions. [2023-11-29 02:01:28,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 02:01:28,108 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 197 transitions. [2023-11-29 02:01:28,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 02:01:28,111 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:01:28,111 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:28,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 02:01:28,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:01:28,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:01:28,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:01:28,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1896953399, now seen corresponding path program 1 times [2023-11-29 02:01:28,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:01:28,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787116164] [2023-11-29 02:01:28,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:28,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:01:28,371 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:01:28,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312335024] [2023-11-29 02:01:28,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:28,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:01:28,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:01:28,373 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:01:28,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 02:01:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:28,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:01:28,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:01:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 02:01:28,815 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:01:28,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:01:28,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787116164] [2023-11-29 02:01:28,816 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:01:28,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312335024] [2023-11-29 02:01:28,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312335024] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:01:28,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:01:28,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 02:01:28,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407090808] [2023-11-29 02:01:28,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:01:28,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 02:01:28,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:01:28,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 02:01:28,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 02:01:28,820 INFO L87 Difference]: Start difference. First operand 128 states and 197 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 02:01:28,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:01:28,888 INFO L93 Difference]: Finished difference Result 211 states and 327 transitions. [2023-11-29 02:01:28,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 02:01:28,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2023-11-29 02:01:28,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:01:28,892 INFO L225 Difference]: With dead ends: 211 [2023-11-29 02:01:28,892 INFO L226 Difference]: Without dead ends: 136 [2023-11-29 02:01:28,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 02:01:28,895 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 27 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:01:28,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 310 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 02:01:28,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-29 02:01:28,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 128. [2023-11-29 02:01:28,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 81 states have (on average 1.3333333333333333) internal successors, (108), 81 states have internal predecessors, (108), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 02:01:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 196 transitions. [2023-11-29 02:01:28,926 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 196 transitions. Word has length 150 [2023-11-29 02:01:28,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:01:28,927 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 196 transitions. [2023-11-29 02:01:28,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 02:01:28,928 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 196 transitions. [2023-11-29 02:01:28,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 02:01:28,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:01:28,932 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:28,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 02:01:29,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:01:29,137 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:01:29,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:01:29,137 INFO L85 PathProgramCache]: Analyzing trace with hash 809665995, now seen corresponding path program 1 times [2023-11-29 02:01:29,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:01:29,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867803376] [2023-11-29 02:01:29,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:29,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:01:29,185 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:01:29,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2080729617] [2023-11-29 02:01:29,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:29,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:01:29,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:01:29,187 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:01:29,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 02:01:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:29,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 02:01:29,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:01:29,687 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 21 proven. 63 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 02:01:29,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:01:30,140 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-29 02:01:30,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:01:30,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867803376] [2023-11-29 02:01:30,141 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:01:30,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080729617] [2023-11-29 02:01:30,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080729617] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 02:01:30,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:01:30,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 15 [2023-11-29 02:01:30,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879672222] [2023-11-29 02:01:30,142 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:01:30,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 02:01:30,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:01:30,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 02:01:30,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-11-29 02:01:30,145 INFO L87 Difference]: Start difference. First operand 128 states and 196 transitions. Second operand has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-29 02:01:31,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:01:31,501 INFO L93 Difference]: Finished difference Result 306 states and 451 transitions. [2023-11-29 02:01:31,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-29 02:01:31,502 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 150 [2023-11-29 02:01:31,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:01:31,505 INFO L225 Difference]: With dead ends: 306 [2023-11-29 02:01:31,505 INFO L226 Difference]: Without dead ends: 233 [2023-11-29 02:01:31,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 287 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=380, Invalid=1342, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 02:01:31,508 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 348 mSDsluCounter, 715 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 02:01:31,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 853 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 02:01:31,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2023-11-29 02:01:31,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 142. [2023-11-29 02:01:31,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 91 states have (on average 1.2307692307692308) internal successors, (112), 91 states have internal predecessors, (112), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 02:01:31,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 200 transitions. [2023-11-29 02:01:31,538 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 200 transitions. Word has length 150 [2023-11-29 02:01:31,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:01:31,539 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 200 transitions. [2023-11-29 02:01:31,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2023-11-29 02:01:31,539 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 200 transitions. [2023-11-29 02:01:31,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 02:01:31,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:01:31,542 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:31,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 02:01:31,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:01:31,745 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:01:31,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:01:31,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1202693005, now seen corresponding path program 1 times [2023-11-29 02:01:31,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:01:31,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458580632] [2023-11-29 02:01:31,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:31,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:01:31,784 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:01:31,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041238937] [2023-11-29 02:01:31,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:31,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:01:31,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:01:31,786 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:01:31,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 02:01:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:32,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 02:01:32,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:01:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2023-11-29 02:01:32,200 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:01:32,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 02:01:32,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458580632] [2023-11-29 02:01:32,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 02:01:32,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041238937] [2023-11-29 02:01:32,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041238937] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:01:32,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 02:01:32,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-29 02:01:32,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327208118] [2023-11-29 02:01:32,498 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 02:01:32,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 02:01:32,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 02:01:32,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 02:01:32,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-29 02:01:32,500 INFO L87 Difference]: Start difference. First operand 142 states and 200 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 02:01:32,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:01:32,701 INFO L93 Difference]: Finished difference Result 233 states and 321 transitions. [2023-11-29 02:01:32,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 02:01:32,702 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2023-11-29 02:01:32,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:01:32,704 INFO L225 Difference]: With dead ends: 233 [2023-11-29 02:01:32,705 INFO L226 Difference]: Without dead ends: 154 [2023-11-29 02:01:32,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2023-11-29 02:01:32,706 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 48 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 02:01:32,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 252 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 02:01:32,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-29 02:01:32,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2023-11-29 02:01:32,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 97 states have (on average 1.2061855670103092) internal successors, (117), 97 states have internal predecessors, (117), 44 states have call successors, (44), 8 states have call predecessors, (44), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 02:01:32,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 205 transitions. [2023-11-29 02:01:32,732 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 205 transitions. Word has length 150 [2023-11-29 02:01:32,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:01:32,733 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 205 transitions. [2023-11-29 02:01:32,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 02:01:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 205 transitions. [2023-11-29 02:01:32,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 02:01:32,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:01:32,736 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:32,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 02:01:32,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:01:32,940 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:01:32,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:01:32,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1371659631, now seen corresponding path program 1 times [2023-11-29 02:01:32,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 02:01:32,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261759826] [2023-11-29 02:01:32,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:32,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 02:01:32,975 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 02:01:32,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722938227] [2023-11-29 02:01:32,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:32,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:01:32,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:01:32,977 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 02:01:32,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 02:01:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:01:33,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 02:01:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 02:01:33,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 02:01:33,352 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 02:01:33,353 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 02:01:33,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 02:01:33,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 02:01:33,557 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 02:01:33,560 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 02:01:33,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 02:01:33,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 02:01:33 BoogieIcfgContainer [2023-11-29 02:01:33,676 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 02:01:33,676 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 02:01:33,676 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 02:01:33,676 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 02:01:33,677 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:01:26" (3/4) ... [2023-11-29 02:01:33,679 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 02:01:33,680 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 02:01:33,681 INFO L158 Benchmark]: Toolchain (without parser) took 7970.26ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 129.6MB in the beginning and 87.2MB in the end (delta: 42.3MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2023-11-29 02:01:33,681 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:01:33,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.75ms. Allocated memory is still 167.8MB. Free memory was 129.1MB in the beginning and 114.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 02:01:33,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.12ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 110.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 02:01:33,682 INFO L158 Benchmark]: Boogie Preprocessor took 58.49ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 104.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 02:01:33,682 INFO L158 Benchmark]: RCFGBuilder took 515.59ms. Allocated memory is still 167.8MB. Free memory was 104.0MB in the beginning and 124.4MB in the end (delta: -20.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-29 02:01:33,682 INFO L158 Benchmark]: TraceAbstraction took 7025.91ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 123.6MB in the beginning and 87.2MB in the end (delta: 36.4MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2023-11-29 02:01:33,683 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 201.3MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 02:01:33,684 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 113.2MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.75ms. Allocated memory is still 167.8MB. Free memory was 129.1MB in the beginning and 114.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.12ms. Allocated memory is still 167.8MB. Free memory was 114.0MB in the beginning and 110.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.49ms. Allocated memory is still 167.8MB. Free memory was 110.3MB in the beginning and 104.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 515.59ms. Allocated memory is still 167.8MB. Free memory was 104.0MB in the beginning and 124.4MB in the end (delta: -20.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7025.91ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 123.6MB in the beginning and 87.2MB in the end (delta: 36.4MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 201.3MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 179, overapproximation of someBinaryDOUBLEComparisonOperation at line 179. 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] unsigned char var_1_27 = 50; [L40] unsigned char var_1_28 = 8; [L41] signed short int var_1_29 = 10; [L42] double var_1_33 = 7.125; [L43] float var_1_34 = 0.75; [L44] float var_1_35 = 25.5; [L45] float var_1_36 = 9.038; [L46] double var_1_38 = 15.5; [L47] float var_1_39 = 128.5; [L48] float var_1_41 = 15.25; [L49] float var_1_42 = 64.5; [L50] float var_1_43 = 256.3; [L51] unsigned long int var_1_44 = 32; [L52] double var_1_45 = 63.25; [L53] unsigned char last_1_var_1_15 = 8; [L183] isInitial = 1 [L184] FCALL initially() [L185] COND TRUE 1 [L186] CALL updateLastVariables() [L176] last_1_var_1_15 = var_1_15 [L186] RET updateLastVariables() [L187] CALL updateVariables() [L137] var_1_4 = __VERIFIER_nondet_uchar() [L138] 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L138] 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L139] 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L139] 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L140] var_1_5 = __VERIFIER_nondet_uchar() [L141] 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L141] 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L142] 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L142] 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L143] var_1_11 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L144] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L145] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L145] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L146] var_1_12 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L147] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L148] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L148] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L149] var_1_14 = __VERIFIER_nondet_float() [L150] 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=8, var_1_12=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L150] 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=8, var_1_12=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L151] var_1_16 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L152] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L153] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L153] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L154] var_1_18 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L155] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L156] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L156] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=8, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L157] var_1_28 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L158] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L159] CALL assume_abort_if_not(var_1_28 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L159] RET assume_abort_if_not(var_1_28 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_34=3/4, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L160] var_1_34 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L161] RET assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 9223372.036854776000e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_35=51/2, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L162] var_1_35 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L163] RET assume_abort_if_not((var_1_35 >= 0.0F && var_1_35 <= -1.0e-20F) || (var_1_35 <= 9223372.036854776000e+12F && var_1_35 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_36=4519/500, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L164] var_1_36 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L165] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_38=31/2, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L166] var_1_38 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_38 >= -922337.2036854765600e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L167] RET assume_abort_if_not((var_1_38 >= -922337.2036854765600e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854765600e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_41=61/4, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L168] var_1_41 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L169] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 4611686.018427382800e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_42=129/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L170] var_1_42 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L171] RET assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_43=2563/10, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L172] var_1_43 = __VERIFIER_nondet_float() [L173] CALL assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L173] RET assume_abort_if_not((var_1_43 >= -461168.6018427382800e+13F && var_1_43 <= -1.0e-20F) || (var_1_43 <= 4611686.018427382800e+12F && var_1_43 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L187] RET updateVariables() [L188] CALL step() [L57] COND TRUE 32.2f > (25.5f - ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))) [L58] var_1_24 = ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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=64, var_1_27=50, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L60] var_1_27 = var_1_28 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L61] COND FALSE !(var_1_13 <= ((((var_1_13) < (var_1_13)) ? (var_1_13) : (var_1_13)))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=57/8, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L68] COND FALSE !(var_1_13 > (((((var_1_34) < (var_1_35)) ? (var_1_34) : (var_1_35))) - var_1_36)) [L77] var_1_33 = 10000.5 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L79] COND FALSE !(\read(var_1_1)) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L82] EXPR var_1_22 | var_1_22 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L82] COND FALSE !(var_1_15 < (var_1_22 | var_1_22)) [L86] COND TRUE ((var_1_38 + var_1_13) * ((((var_1_42) < 0 ) ? -(var_1_42) : (var_1_42)))) >= var_1_35 [L87] var_1_44 = ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))))) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L89] COND FALSE !(\read(var_1_1)) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L92] unsigned char stepLocal_1 = ! var_1_5; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L93] 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L100] 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L105] COND TRUE (- var_1_13) > 31.9f [L106] 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=8, var_1_12=8, var_1_13=8/5, var_1_15=8, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L110] COND TRUE \read(var_1_1) [L111] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=254, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L113] var_1_22 = 1 [L114] var_1_23 = var_1_22 [L115] 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=8, var_1_12=8, var_1_13=8/5, var_1_15=254, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L116] COND TRUE var_1_15 > stepLocal_0 [L117] var_1_8 = ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=254, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L119] 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=1, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=254, var_1_16=254, 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=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L120] COND TRUE var_1_1 || stepLocal_2 [L121] 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=1, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=16638, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L125] signed long int stepLocal_3 = -10; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, stepLocal_2=1, stepLocal_3=-10, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=16638, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L126] 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=1, stepLocal_3=-10, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=16638, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L129] COND FALSE !(! (var_1_17 <= var_1_17)) [L132] var_1_20 = var_1_12 VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, stepLocal_2=1, stepLocal_3=-10, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=16638, var_1_18=16384, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L188] RET step() [L189] CALL, EXPR property() [L179-L180] 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)) ; [L189] RET, EXPR property() [L189] 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=8, var_1_12=8, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=16638, var_1_18=16384, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_15=254, var_1_16=254, var_1_17=16638, var_1_18=16384, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_24=64, var_1_27=254, var_1_28=254, var_1_29=10, var_1_33=20001/2, var_1_39=257/2, var_1_44=32, var_1_45=253/4, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.9s, OverallIterations: 6, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 480 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 448 mSDsluCounter, 1736 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1193 mSDsCounter, 143 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1138 IncrementalHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 143 mSolverCounterUnsat, 543 mSDtfsCounter, 1138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 952 GetRequests, 895 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=5, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 109 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1045 NumberOfCodeBlocks, 1045 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 890 ConstructedInterpolants, 0 QuantifiedInterpolants, 2892 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1827 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 5388/5544 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 02:01:33,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 0ce0eb489df8fa084a208059955735f91d7eaccc5d3a522f7cf2150fa7a42b6a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 02:01:35,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 02:01:35,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 02:01:35,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 02:01:35,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 02:01:35,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 02:01:35,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 02:01:35,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 02:01:35,744 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 02:01:35,745 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 02:01:35,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 02:01:35,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 02:01:35,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 02:01:35,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 02:01:35,748 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 02:01:35,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 02:01:35,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 02:01:35,749 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 02:01:35,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 02:01:35,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 02:01:35,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 02:01:35,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 02:01:35,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 02:01:35,752 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 02:01:35,752 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 02:01:35,753 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 02:01:35,753 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 02:01:35,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 02:01:35,754 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 02:01:35,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 02:01:35,755 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 02:01:35,755 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 02:01:35,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 02:01:35,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:01:35,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 02:01:35,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 02:01:35,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 02:01:35,757 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 02:01:35,757 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 02:01:35,757 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 02:01:35,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 02:01:35,758 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 02:01:35,758 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 02:01:35,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 02:01:35,758 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 02:01:35,758 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_d66fec44-e178-4702-b7c8-2648ea04ba7a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ce0eb489df8fa084a208059955735f91d7eaccc5d3a522f7cf2150fa7a42b6a [2023-11-29 02:01:36,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 02:01:36,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 02:01:36,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 02:01:36,095 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 02:01:36,096 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 02:01:36,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i [2023-11-29 02:01:38,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 02:01:39,124 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 02:01:39,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i [2023-11-29 02:01:39,136 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/data/c9433d8b8/bfcc258bfb3849d895c742df84df6461/FLAG055bd1662 [2023-11-29 02:01:39,149 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/data/c9433d8b8/bfcc258bfb3849d895c742df84df6461 [2023-11-29 02:01:39,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 02:01:39,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 02:01:39,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 02:01:39,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 02:01:39,160 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 02:01:39,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6923da5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39, skipping insertion in model container [2023-11-29 02:01:39,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 02:01:39,333 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_d66fec44-e178-4702-b7c8-2648ea04ba7a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i[919,932] [2023-11-29 02:01:39,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:01:39,413 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 02:01:39,423 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_d66fec44-e178-4702-b7c8-2648ea04ba7a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i[919,932] [2023-11-29 02:01:39,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 02:01:39,477 INFO L206 MainTranslator]: Completed translation [2023-11-29 02:01:39,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39 WrapperNode [2023-11-29 02:01:39,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 02:01:39,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 02:01:39,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 02:01:39,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 02:01:39,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,528 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2023-11-29 02:01:39,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 02:01:39,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 02:01:39,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 02:01:39,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 02:01:39,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,559 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 02:01:39,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 02:01:39,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 02:01:39,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 02:01:39,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 02:01:39,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (1/1) ... [2023-11-29 02:01:39,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 02:01:39,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 02:01:39,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 02:01:39,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 02:01:39,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 02:01:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 02:01:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 02:01:39,662 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 02:01:39,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 02:01:39,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 02:01:39,760 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 02:01:39,762 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 02:01:53,412 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 02:01:53,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 02:01:53,446 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 02:01:53,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:01:53 BoogieIcfgContainer [2023-11-29 02:01:53,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 02:01:53,461 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 02:01:53,461 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 02:01:53,464 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 02:01:53,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 02:01:39" (1/3) ... [2023-11-29 02:01:53,465 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144bc703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:01:53, skipping insertion in model container [2023-11-29 02:01:53,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 02:01:39" (2/3) ... [2023-11-29 02:01:53,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144bc703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 02:01:53, skipping insertion in model container [2023-11-29 02:01:53,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 02:01:53" (3/3) ... [2023-11-29 02:01:53,468 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-41.i [2023-11-29 02:01:53,488 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 02:01:53,489 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 02:01:53,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 02:01:53,543 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;@7d053425, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 02:01:53,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 02:01:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 50 states have (on average 1.5) internal successors, (75), 51 states have internal predecessors, (75), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 02:01:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 02:01:53,565 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:01:53,566 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:53,567 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:01:53,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:01:53,573 INFO L85 PathProgramCache]: Analyzing trace with hash -972953968, now seen corresponding path program 1 times [2023-11-29 02:01:53,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:01:53,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314415470] [2023-11-29 02:01:53,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:53,586 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 02:01:53,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:01:53,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:01:53,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:01:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:54,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 02:01:54,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:01:54,348 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2023-11-29 02:01:54,348 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:01:54,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:01:54,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [314415470] [2023-11-29 02:01:54,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [314415470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:01:54,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:01:54,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:01:54,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422132054] [2023-11-29 02:01:54,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:01:54,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 02:01:54,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:01:54,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 02:01:54,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 02:01:54,390 INFO L87 Difference]: Start difference. First operand has 75 states, 50 states have (on average 1.5) internal successors, (75), 51 states have internal predecessors, (75), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 02:01:56,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:01:56,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:01:56,668 INFO L93 Difference]: Finished difference Result 147 states and 258 transitions. [2023-11-29 02:01:56,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 02:01:56,694 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 148 [2023-11-29 02:01:56,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:01:56,700 INFO L225 Difference]: With dead ends: 147 [2023-11-29 02:01:56,700 INFO L226 Difference]: Without dead ends: 73 [2023-11-29 02:01:56,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 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 02:01:56,710 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 02:01:56,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 02:01:56,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-29 02:01:56,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-29 02:01:56,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 49 states have internal predecessors, (69), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 02:01:56,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 113 transitions. [2023-11-29 02:01:56,751 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 113 transitions. Word has length 148 [2023-11-29 02:01:56,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:01:56,751 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 113 transitions. [2023-11-29 02:01:56,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-29 02:01:56,752 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2023-11-29 02:01:56,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-29 02:01:56,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:01:56,756 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:01:56,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:01:56,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:01:56,957 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:01:56,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:01:56,958 INFO L85 PathProgramCache]: Analyzing trace with hash 77623068, now seen corresponding path program 1 times [2023-11-29 02:01:56,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:01:56,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1834440744] [2023-11-29 02:01:56,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:01:56,960 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 02:01:56,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:01:56,961 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:01:56,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:01:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:01:57,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:01:57,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:01:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 02:01:58,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:01:58,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:01:58,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1834440744] [2023-11-29 02:01:58,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1834440744] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:01:58,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:01:58,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:01:58,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795264247] [2023-11-29 02:01:58,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:01:58,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:01:58,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:01:58,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:01:58,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:01:58,536 INFO L87 Difference]: Start difference. First operand 73 states and 113 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 02:02:03,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:07,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:12,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:16,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:21,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:21,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:02:21,014 INFO L93 Difference]: Finished difference Result 216 states and 335 transitions. [2023-11-29 02:02:21,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:02:21,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2023-11-29 02:02:21,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:02:21,079 INFO L225 Difference]: With dead ends: 216 [2023-11-29 02:02:21,079 INFO L226 Difference]: Without dead ends: 144 [2023-11-29 02:02:21,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 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 02:02:21,082 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 39 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2023-11-29 02:02:21,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 198 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 4 Unknown, 0 Unchecked, 22.5s Time] [2023-11-29 02:02:21,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-29 02:02:21,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2023-11-29 02:02:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 94 states have (on average 1.3617021276595744) internal successors, (128), 94 states have internal predecessors, (128), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 02:02:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 216 transitions. [2023-11-29 02:02:21,107 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 216 transitions. Word has length 148 [2023-11-29 02:02:21,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:02:21,109 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 216 transitions. [2023-11-29 02:02:21,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 02:02:21,109 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 216 transitions. [2023-11-29 02:02:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:02:21,112 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:02:21,112 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:21,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:21,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:21,313 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:02:21,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:02:21,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1709351374, now seen corresponding path program 1 times [2023-11-29 02:02:21,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:02:21,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395393683] [2023-11-29 02:02:21,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:02:21,315 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 02:02:21,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:02:21,317 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:21,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:21,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 02:02:21,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:02:23,878 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 02:02:23,878 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:02:23,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:02:23,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395393683] [2023-11-29 02:02:23,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1395393683] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:02:23,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:02:23,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:02:23,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107986534] [2023-11-29 02:02:23,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:02:23,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:02:23,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:02:23,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:02:23,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:02:23,882 INFO L87 Difference]: Start difference. First operand 141 states and 216 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 02:02:28,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:29,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:34,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:35,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:35,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:02:35,904 INFO L93 Difference]: Finished difference Result 346 states and 532 transitions. [2023-11-29 02:02:35,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:02:35,907 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2023-11-29 02:02:35,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:02:35,910 INFO L225 Difference]: With dead ends: 346 [2023-11-29 02:02:35,910 INFO L226 Difference]: Without dead ends: 206 [2023-11-29 02:02:35,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 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 02:02:35,914 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 26 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2023-11-29 02:02:35,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 198 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2023-11-29 02:02:35,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-11-29 02:02:35,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 190. [2023-11-29 02:02:35,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 120 states have (on average 1.3) internal successors, (156), 120 states have internal predecessors, (156), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-29 02:02:35,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 288 transitions. [2023-11-29 02:02:35,950 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 288 transitions. Word has length 149 [2023-11-29 02:02:35,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:02:35,951 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 288 transitions. [2023-11-29 02:02:35,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 02:02:35,952 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 288 transitions. [2023-11-29 02:02:35,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-29 02:02:35,955 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:02:35,955 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:35,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:36,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:36,164 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:02:36,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:02:36,165 INFO L85 PathProgramCache]: Analyzing trace with hash 20407632, now seen corresponding path program 1 times [2023-11-29 02:02:36,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:02:36,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356025965] [2023-11-29 02:02:36,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:02:36,166 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 02:02:36,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:02:36,167 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:36,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 02:02:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:36,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:02:36,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:02:37,562 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 02:02:37,562 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:02:37,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:02:37,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356025965] [2023-11-29 02:02:37,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [356025965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:02:37,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:02:37,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:02:37,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635576140] [2023-11-29 02:02:37,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:02:37,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:02:37,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:02:37,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:02:37,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:02:37,566 INFO L87 Difference]: Start difference. First operand 190 states and 288 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 02:02:38,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:39,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:02:39,451 INFO L93 Difference]: Finished difference Result 466 states and 710 transitions. [2023-11-29 02:02:39,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:02:39,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2023-11-29 02:02:39,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:02:39,462 INFO L225 Difference]: With dead ends: 466 [2023-11-29 02:02:39,462 INFO L226 Difference]: Without dead ends: 326 [2023-11-29 02:02:39,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 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 02:02:39,464 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 37 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 02:02:39,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 222 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 02:02:39,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2023-11-29 02:02:39,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 314. [2023-11-29 02:02:39,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 198 states have (on average 1.2828282828282829) internal successors, (254), 198 states have internal predecessors, (254), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2023-11-29 02:02:39,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 474 transitions. [2023-11-29 02:02:39,508 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 474 transitions. Word has length 149 [2023-11-29 02:02:39,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:02:39,509 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 474 transitions. [2023-11-29 02:02:39,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 02:02:39,510 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 474 transitions. [2023-11-29 02:02:39,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 02:02:39,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:02:39,513 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:39,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 02:02:39,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:39,720 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:02:39,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:02:39,721 INFO L85 PathProgramCache]: Analyzing trace with hash -756988566, now seen corresponding path program 1 times [2023-11-29 02:02:39,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:02:39,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028772287] [2023-11-29 02:02:39,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:02:39,722 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 02:02:39,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:02:39,723 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:39,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:40,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 02:02:40,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:02:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-29 02:02:41,153 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 02:02:41,153 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:02:41,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028772287] [2023-11-29 02:02:41,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028772287] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 02:02:41,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 02:02:41,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 02:02:41,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452583631] [2023-11-29 02:02:41,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 02:02:41,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 02:02:41,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:02:41,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 02:02:41,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 02:02:41,155 INFO L87 Difference]: Start difference. First operand 314 states and 474 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 02:02:42,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:46,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:48,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:53,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:54,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:02:54,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:02:54,800 INFO L93 Difference]: Finished difference Result 596 states and 902 transitions. [2023-11-29 02:02:54,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 02:02:54,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2023-11-29 02:02:54,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:02:54,807 INFO L225 Difference]: With dead ends: 596 [2023-11-29 02:02:54,807 INFO L226 Difference]: Without dead ends: 332 [2023-11-29 02:02:54,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 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 02:02:54,809 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 21 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2023-11-29 02:02:54,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 208 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2023-11-29 02:02:54,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-11-29 02:02:54,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 316. [2023-11-29 02:02:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 200 states have (on average 1.28) internal successors, (256), 200 states have internal predecessors, (256), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2023-11-29 02:02:54,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 476 transitions. [2023-11-29 02:02:54,839 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 476 transitions. Word has length 150 [2023-11-29 02:02:54,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:02:54,839 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 476 transitions. [2023-11-29 02:02:54,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-29 02:02:54,840 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 476 transitions. [2023-11-29 02:02:54,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 02:02:54,841 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:02:54,842 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:54,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:55,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:55,044 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:02:55,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:02:55,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1949630828, now seen corresponding path program 1 times [2023-11-29 02:02:55,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:02:55,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104853786] [2023-11-29 02:02:55,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:02:55,045 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 02:02:55,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:02:55,046 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:02:55,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 02:02:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:02:55,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 02:02:55,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:02:57,064 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 495 proven. 54 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2023-11-29 02:02:57,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:03:00,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 02:03:00,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104853786] [2023-11-29 02:03:00,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104853786] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:03:00,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1686961159] [2023-11-29 02:03:00,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:03:00,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 02:03:00,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 02:03:00,598 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 02:03:00,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 02:03:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:02,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 02:03:02,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 02:03:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 495 proven. 54 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2023-11-29 02:03:03,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 02:03:06,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1686961159] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 02:03:06,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 02:03:06,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2023-11-29 02:03:06,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347503038] [2023-11-29 02:03:06,235 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 02:03:06,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 02:03:06,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 02:03:06,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 02:03:06,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-29 02:03:06,236 INFO L87 Difference]: Start difference. First operand 316 states and 476 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-29 02:03:09,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 02:03:09,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 02:03:09,356 INFO L93 Difference]: Finished difference Result 630 states and 917 transitions. [2023-11-29 02:03:09,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 02:03:09,386 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 150 [2023-11-29 02:03:09,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 02:03:09,388 INFO L225 Difference]: With dead ends: 630 [2023-11-29 02:03:09,389 INFO L226 Difference]: Without dead ends: 366 [2023-11-29 02:03:09,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-29 02:03:09,390 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 93 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 02:03:09,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 262 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 02:03:09,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-11-29 02:03:09,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 356. [2023-11-29 02:03:09,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 230 states have (on average 1.2260869565217392) internal successors, (282), 230 states have internal predecessors, (282), 110 states have call successors, (110), 15 states have call predecessors, (110), 15 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2023-11-29 02:03:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 502 transitions. [2023-11-29 02:03:09,428 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 502 transitions. Word has length 150 [2023-11-29 02:03:09,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 02:03:09,429 INFO L495 AbstractCegarLoop]: Abstraction has 356 states and 502 transitions. [2023-11-29 02:03:09,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (22), 3 states have call predecessors, (22), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2023-11-29 02:03:09,429 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 502 transitions. [2023-11-29 02:03:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-29 02:03:09,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 02:03:09,431 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:03:09,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-29 02:03:09,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-29 02:03:09,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 02:03:09,832 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 02:03:09,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 02:03:09,832 INFO L85 PathProgramCache]: Analyzing trace with hash 308576391, now seen corresponding path program 1 times [2023-11-29 02:03:09,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 02:03:09,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813977539] [2023-11-29 02:03:09,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 02:03:09,833 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 02:03:09,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 02:03:09,834 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/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 02:03:09,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d66fec44-e178-4702-b7c8-2648ea04ba7a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-29 02:03:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 02:03:10,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-29 02:03:10,664 INFO L285 TraceCheckSpWp]: Computing forward predicates...