./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/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_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/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_bd72396d-a5a2-4dc3-9d03-e84be066652a/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 970538dd9083d93a461fb14f2c7c5ecaf35f3c2afcba98b5255f20442a223b33 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:03:13,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:03:13,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:03:13,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:03:13,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:03:13,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:03:13,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:03:13,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:03:13,848 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:03:13,849 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:03:13,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:03:13,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:03:13,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:03:13,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:03:13,852 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:03:13,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:03:13,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:03:13,853 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:03:13,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:03:13,854 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:03:13,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:03:13,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:03:13,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:03:13,857 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:03:13,857 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:03:13,858 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:03:13,858 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:03:13,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:03:13,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:03:13,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:03:13,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:03:13,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:03:13,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:03:13,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:03:13,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:03:13,861 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:03:13,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:03:13,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:03:13,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:03:13,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:03:13,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:03:13,863 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:03:13,863 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_bd72396d-a5a2-4dc3-9d03-e84be066652a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970538dd9083d93a461fb14f2c7c5ecaf35f3c2afcba98b5255f20442a223b33 [2023-11-29 04:03:14,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:03:14,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:03:14,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:03:14,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:03:14,121 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:03:14,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i [2023-11-29 04:03:16,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:03:17,025 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:03:17,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i [2023-11-29 04:03:17,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/data/5e9b99f6d/026dda68213c4461805557e7af1ec801/FLAGe3ba43b04 [2023-11-29 04:03:17,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/data/5e9b99f6d/026dda68213c4461805557e7af1ec801 [2023-11-29 04:03:17,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:03:17,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:03:17,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:03:17,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:03:17,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:03:17,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296c5489 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17, skipping insertion in model container [2023-11-29 04:03:17,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:03:17,218 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_bd72396d-a5a2-4dc3-9d03-e84be066652a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i[919,932] [2023-11-29 04:03:17,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:03:17,298 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:03:17,311 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_bd72396d-a5a2-4dc3-9d03-e84be066652a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i[919,932] [2023-11-29 04:03:17,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:03:17,371 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:03:17,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17 WrapperNode [2023-11-29 04:03:17,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:03:17,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:03:17,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:03:17,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:03:17,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,439 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 270 [2023-11-29 04:03:17,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:03:17,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:03:17,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:03:17,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:03:17,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,478 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:03:17,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:03:17,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:03:17,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:03:17,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:03:17,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (1/1) ... [2023-11-29 04:03:17,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:03:17,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:03:17,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:03:17,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:03:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:03:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:03:17,589 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:03:17,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:03:17,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:03:17,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:03:17,699 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:03:17,701 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:03:18,115 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:03:18,147 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:03:18,148 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:03:18,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:03:18 BoogieIcfgContainer [2023-11-29 04:03:18,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:03:18,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:03:18,151 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:03:18,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:03:18,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:03:17" (1/3) ... [2023-11-29 04:03:18,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714d915a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:03:18, skipping insertion in model container [2023-11-29 04:03:18,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:03:17" (2/3) ... [2023-11-29 04:03:18,156 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@714d915a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:03:18, skipping insertion in model container [2023-11-29 04:03:18,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:03:18" (3/3) ... [2023-11-29 04:03:18,158 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i [2023-11-29 04:03:18,177 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:03:18,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:03:18,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:03:18,233 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;@54748005, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:03:18,233 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:03:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 68 states have internal predecessors, (104), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 04:03:18,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 04:03:18,251 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:18,252 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:18,252 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:18,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:18,256 INFO L85 PathProgramCache]: Analyzing trace with hash -922376864, now seen corresponding path program 1 times [2023-11-29 04:03:18,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:18,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513829332] [2023-11-29 04:03:18,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:18,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:18,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:18,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513829332] [2023-11-29 04:03:18,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 04:03:18,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310387816] [2023-11-29 04:03:18,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:18,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:18,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:03:18,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:03:18,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:03:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:18,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:03:18,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:18,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1458 trivial. 0 not checked. [2023-11-29 04:03:18,747 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:18,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310387816] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:18,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:18,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:03:18,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590712119] [2023-11-29 04:03:18,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:18,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:03:18,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:18,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:03:18,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:03:18,790 INFO L87 Difference]: Start difference. First operand has 98 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 68 states have internal predecessors, (104), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 04:03:18,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:18,834 INFO L93 Difference]: Finished difference Result 193 states and 346 transitions. [2023-11-29 04:03:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:03:18,837 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2023-11-29 04:03:18,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:18,845 INFO L225 Difference]: With dead ends: 193 [2023-11-29 04:03:18,845 INFO L226 Difference]: Without dead ends: 96 [2023-11-29 04:03:18,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:03:18,852 INFO L413 NwaCegarLoop]: 152 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, 152 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:18,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:03:18,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-29 04:03:18,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-29 04:03:18,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 66 states have (on average 1.5) internal successors, (99), 66 states have internal predecessors, (99), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 04:03:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 155 transitions. [2023-11-29 04:03:18,902 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 155 transitions. Word has length 181 [2023-11-29 04:03:18,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:18,903 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 155 transitions. [2023-11-29 04:03:18,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 04:03:18,903 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 155 transitions. [2023-11-29 04:03:18,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-29 04:03:18,908 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:18,909 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:18,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:03:19,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 04:03:19,110 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:19,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:19,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1520855384, now seen corresponding path program 1 times [2023-11-29 04:03:19,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:19,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721436766] [2023-11-29 04:03:19,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:19,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:19,175 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:03:19,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724213105] [2023-11-29 04:03:19,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:19,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:19,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:03:19,178 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:03:19,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:03:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:19,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:03:19,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 543 proven. 63 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2023-11-29 04:03:19,607 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:03:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 18 proven. 63 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 04:03:19,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:19,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721436766] [2023-11-29 04:03:19,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:03:19,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724213105] [2023-11-29 04:03:19,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724213105] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:03:19,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:03:19,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 04:03:19,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136190640] [2023-11-29 04:03:19,846 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:03:19,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:03:19,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:19,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:03:19,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:03:19,850 INFO L87 Difference]: Start difference. First operand 96 states and 155 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 04:03:20,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:20,140 INFO L93 Difference]: Finished difference Result 197 states and 314 transitions. [2023-11-29 04:03:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:03:20,142 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 181 [2023-11-29 04:03:20,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:20,145 INFO L225 Difference]: With dead ends: 197 [2023-11-29 04:03:20,145 INFO L226 Difference]: Without dead ends: 102 [2023-11-29 04:03:20,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:03:20,148 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 86 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:20,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 276 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:03:20,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-29 04:03:20,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100. [2023-11-29 04:03:20,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 69 states have internal predecessors, (100), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 04:03:20,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 156 transitions. [2023-11-29 04:03:20,169 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 156 transitions. Word has length 181 [2023-11-29 04:03:20,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:20,171 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 156 transitions. [2023-11-29 04:03:20,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-11-29 04:03:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 156 transitions. [2023-11-29 04:03:20,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-29 04:03:20,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:20,175 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:20,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:03:20,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:20,382 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:20,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:20,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1090435067, now seen corresponding path program 1 times [2023-11-29 04:03:20,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:20,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7644425] [2023-11-29 04:03:20,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:20,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:20,434 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:03:20,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [639508682] [2023-11-29 04:03:20,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:20,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:20,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:03:20,436 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:03:20,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:03:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:20,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 04:03:20,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:21,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 827 proven. 51 refuted. 0 times theorem prover too weak. 634 trivial. 0 not checked. [2023-11-29 04:03:21,130 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:03:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 30 proven. 51 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 04:03:21,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:21,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7644425] [2023-11-29 04:03:21,382 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:03:21,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639508682] [2023-11-29 04:03:21,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639508682] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:03:21,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:03:21,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 04:03:21,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256203989] [2023-11-29 04:03:21,383 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:03:21,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 04:03:21,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:21,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 04:03:21,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 04:03:21,386 INFO L87 Difference]: Start difference. First operand 100 states and 156 transitions. Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 5 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (52), 5 states have call predecessors, (52), 5 states have call successors, (52) [2023-11-29 04:03:21,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:21,707 INFO L93 Difference]: Finished difference Result 205 states and 316 transitions. [2023-11-29 04:03:21,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:03:21,709 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 5 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (52), 5 states have call predecessors, (52), 5 states have call successors, (52) Word has length 182 [2023-11-29 04:03:21,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:21,711 INFO L225 Difference]: With dead ends: 205 [2023-11-29 04:03:21,712 INFO L226 Difference]: Without dead ends: 106 [2023-11-29 04:03:21,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:03:21,714 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 244 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:21,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 246 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:03:21,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-29 04:03:21,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2023-11-29 04:03:21,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 72 states have (on average 1.4027777777777777) internal successors, (101), 72 states have internal predecessors, (101), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 04:03:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 157 transitions. [2023-11-29 04:03:21,734 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 157 transitions. Word has length 182 [2023-11-29 04:03:21,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:21,735 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 157 transitions. [2023-11-29 04:03:21,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 5 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (52), 5 states have call predecessors, (52), 5 states have call successors, (52) [2023-11-29 04:03:21,735 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 157 transitions. [2023-11-29 04:03:21,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-29 04:03:21,738 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:21,738 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:21,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 04:03:21,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:21,939 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:21,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:21,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1261216375, now seen corresponding path program 1 times [2023-11-29 04:03:21,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:21,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755793992] [2023-11-29 04:03:21,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:21,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:21,979 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:03:21,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1447183824] [2023-11-29 04:03:21,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:21,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:21,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:03:21,981 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:03:21,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 04:03:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:22,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:03:22,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 04:03:22,344 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:22,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:22,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755793992] [2023-11-29 04:03:22,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:03:22,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447183824] [2023-11-29 04:03:22,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447183824] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:22,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:22,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:03:22,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117255998] [2023-11-29 04:03:22,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:22,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:03:22,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:22,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:03:22,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:03:22,348 INFO L87 Difference]: Start difference. First operand 104 states and 157 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 04:03:22,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:22,397 INFO L93 Difference]: Finished difference Result 299 states and 455 transitions. [2023-11-29 04:03:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:03:22,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 183 [2023-11-29 04:03:22,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:22,401 INFO L225 Difference]: With dead ends: 299 [2023-11-29 04:03:22,401 INFO L226 Difference]: Without dead ends: 196 [2023-11-29 04:03:22,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:03:22,404 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 48 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:22,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 282 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:03:22,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-11-29 04:03:22,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 180. [2023-11-29 04:03:22,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 117 states have internal predecessors, (158), 56 states have call successors, (56), 6 states have call predecessors, (56), 6 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 04:03:22,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 270 transitions. [2023-11-29 04:03:22,440 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 270 transitions. Word has length 183 [2023-11-29 04:03:22,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:22,441 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 270 transitions. [2023-11-29 04:03:22,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 2 states have internal predecessors, (46), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 04:03:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 270 transitions. [2023-11-29 04:03:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-29 04:03:22,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:22,444 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:22,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 04:03:22,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:22,646 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:22,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:22,647 INFO L85 PathProgramCache]: Analyzing trace with hash 2083710932, now seen corresponding path program 1 times [2023-11-29 04:03:22,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:22,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835955057] [2023-11-29 04:03:22,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:22,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:22,704 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:03:22,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1308359004] [2023-11-29 04:03:22,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:22,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:22,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:03:22,706 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:03:22,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 04:03:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:22,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 04:03:22,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:23,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 771 proven. 45 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2023-11-29 04:03:23,023 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:03:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 04:03:23,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:23,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835955057] [2023-11-29 04:03:23,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:03:23,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308359004] [2023-11-29 04:03:23,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308359004] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:03:23,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:03:23,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 04:03:23,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349239154] [2023-11-29 04:03:23,195 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:03:23,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 04:03:23,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:23,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 04:03:23,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 04:03:23,197 INFO L87 Difference]: Start difference. First operand 180 states and 270 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2023-11-29 04:03:23,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:23,436 INFO L93 Difference]: Finished difference Result 295 states and 436 transitions. [2023-11-29 04:03:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:03:23,436 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 184 [2023-11-29 04:03:23,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:23,439 INFO L225 Difference]: With dead ends: 295 [2023-11-29 04:03:23,439 INFO L226 Difference]: Without dead ends: 192 [2023-11-29 04:03:23,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:03:23,441 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 157 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:23,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 269 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:03:23,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-11-29 04:03:23,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 188. [2023-11-29 04:03:23,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 123 states have (on average 1.3252032520325203) internal successors, (163), 123 states have internal predecessors, (163), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 04:03:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 275 transitions. [2023-11-29 04:03:23,467 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 275 transitions. Word has length 184 [2023-11-29 04:03:23,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:23,467 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 275 transitions. [2023-11-29 04:03:23,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2023-11-29 04:03:23,468 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 275 transitions. [2023-11-29 04:03:23,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 04:03:23,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:23,470 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:23,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 04:03:23,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:23,671 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:23,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:23,672 INFO L85 PathProgramCache]: Analyzing trace with hash 873856238, now seen corresponding path program 1 times [2023-11-29 04:03:23,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:23,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707195859] [2023-11-29 04:03:23,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:23,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:23,704 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:03:23,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1744991789] [2023-11-29 04:03:23,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:23,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:23,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:03:23,706 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:03:23,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 04:03:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:24,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-29 04:03:24,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:24,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 788 proven. 84 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-29 04:03:24,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:03:25,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 72 proven. 87 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2023-11-29 04:03:25,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:25,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707195859] [2023-11-29 04:03:25,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:03:25,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744991789] [2023-11-29 04:03:25,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744991789] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:03:25,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:03:25,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 16 [2023-11-29 04:03:25,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919316575] [2023-11-29 04:03:25,096 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:03:25,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 04:03:25,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:25,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 04:03:25,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2023-11-29 04:03:25,098 INFO L87 Difference]: Start difference. First operand 188 states and 275 transitions. Second operand has 16 states, 15 states have (on average 6.333333333333333) internal successors, (95), 14 states have internal predecessors, (95), 6 states have call successors, (56), 4 states have call predecessors, (56), 7 states have return successors, (56), 6 states have call predecessors, (56), 6 states have call successors, (56) [2023-11-29 04:03:25,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:25,992 INFO L93 Difference]: Finished difference Result 379 states and 562 transitions. [2023-11-29 04:03:25,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 04:03:25,992 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.333333333333333) internal successors, (95), 14 states have internal predecessors, (95), 6 states have call successors, (56), 4 states have call predecessors, (56), 7 states have return successors, (56), 6 states have call predecessors, (56), 6 states have call successors, (56) Word has length 185 [2023-11-29 04:03:25,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:25,995 INFO L225 Difference]: With dead ends: 379 [2023-11-29 04:03:25,995 INFO L226 Difference]: Without dead ends: 272 [2023-11-29 04:03:25,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=255, Invalid=395, Unknown=0, NotChecked=0, Total=650 [2023-11-29 04:03:25,997 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 527 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 667 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:25,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 810 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 667 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 04:03:25,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-11-29 04:03:26,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 194. [2023-11-29 04:03:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 128 states have (on average 1.3125) internal successors, (168), 128 states have internal predecessors, (168), 56 states have call successors, (56), 9 states have call predecessors, (56), 9 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 04:03:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 280 transitions. [2023-11-29 04:03:26,033 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 280 transitions. Word has length 185 [2023-11-29 04:03:26,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:26,034 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 280 transitions. [2023-11-29 04:03:26,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.333333333333333) internal successors, (95), 14 states have internal predecessors, (95), 6 states have call successors, (56), 4 states have call predecessors, (56), 7 states have return successors, (56), 6 states have call predecessors, (56), 6 states have call successors, (56) [2023-11-29 04:03:26,034 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 280 transitions. [2023-11-29 04:03:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 04:03:26,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:26,037 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:26,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 04:03:26,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 04:03:26,237 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:26,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:26,238 INFO L85 PathProgramCache]: Analyzing trace with hash -714491664, now seen corresponding path program 1 times [2023-11-29 04:03:26,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:26,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375514472] [2023-11-29 04:03:26,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:26,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:26,268 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:03:26,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [71062153] [2023-11-29 04:03:26,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:26,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:26,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:03:26,269 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:03:26,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 04:03:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:26,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 04:03:26,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 651 proven. 57 refuted. 0 times theorem prover too weak. 804 trivial. 0 not checked. [2023-11-29 04:03:27,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:03:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 04:03:28,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:28,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375514472] [2023-11-29 04:03:28,319 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:03:28,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71062153] [2023-11-29 04:03:28,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71062153] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:03:28,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:03:28,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 12 [2023-11-29 04:03:28,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850948926] [2023-11-29 04:03:28,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:28,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:03:28,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:28,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:03:28,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:03:28,322 INFO L87 Difference]: Start difference. First operand 194 states and 280 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 04:03:28,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:28,758 INFO L93 Difference]: Finished difference Result 365 states and 524 transitions. [2023-11-29 04:03:28,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 04:03:28,759 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 185 [2023-11-29 04:03:28,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:28,762 INFO L225 Difference]: With dead ends: 365 [2023-11-29 04:03:28,762 INFO L226 Difference]: Without dead ends: 258 [2023-11-29 04:03:28,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2023-11-29 04:03:28,764 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 89 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:28,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 618 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:03:28,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2023-11-29 04:03:28,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 245. [2023-11-29 04:03:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 168 states have (on average 1.3273809523809523) internal successors, (223), 169 states have internal predecessors, (223), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-29 04:03:28,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 351 transitions. [2023-11-29 04:03:28,789 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 351 transitions. Word has length 185 [2023-11-29 04:03:28,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:28,790 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 351 transitions. [2023-11-29 04:03:28,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 04:03:28,790 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 351 transitions. [2023-11-29 04:03:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 04:03:28,792 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:28,792 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:28,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 04:03:28,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-29 04:03:28,993 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:28,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:28,994 INFO L85 PathProgramCache]: Analyzing trace with hash -13427086, now seen corresponding path program 1 times [2023-11-29 04:03:28,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:28,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380003924] [2023-11-29 04:03:28,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:28,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:29,022 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:03:29,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [121525561] [2023-11-29 04:03:29,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:29,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:29,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:03:29,023 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:03:29,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 04:03:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:29,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:03:29,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 04:03:29,173 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:29,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:29,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380003924] [2023-11-29 04:03:29,173 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:03:29,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121525561] [2023-11-29 04:03:29,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121525561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:29,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:29,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:03:29,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488310905] [2023-11-29 04:03:29,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:29,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:03:29,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:29,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:03:29,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:03:29,176 INFO L87 Difference]: Start difference. First operand 245 states and 351 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 04:03:29,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:29,214 INFO L93 Difference]: Finished difference Result 394 states and 565 transitions. [2023-11-29 04:03:29,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:03:29,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 185 [2023-11-29 04:03:29,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:29,219 INFO L225 Difference]: With dead ends: 394 [2023-11-29 04:03:29,219 INFO L226 Difference]: Without dead ends: 236 [2023-11-29 04:03:29,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:03:29,220 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 13 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:29,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 275 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:03:29,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-11-29 04:03:29,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2023-11-29 04:03:29,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 159 states have (on average 1.2955974842767295) internal successors, (206), 160 states have internal predecessors, (206), 64 states have call successors, (64), 12 states have call predecessors, (64), 12 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-29 04:03:29,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 334 transitions. [2023-11-29 04:03:29,276 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 334 transitions. Word has length 185 [2023-11-29 04:03:29,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:29,277 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 334 transitions. [2023-11-29 04:03:29,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 04:03:29,277 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 334 transitions. [2023-11-29 04:03:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 04:03:29,279 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:29,279 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:29,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 04:03:29,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:29,482 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:29,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:29,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1301297678, now seen corresponding path program 1 times [2023-11-29 04:03:29,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:29,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072347704] [2023-11-29 04:03:29,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:29,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:29,501 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:03:29,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696442663] [2023-11-29 04:03:29,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:29,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:29,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:03:29,503 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:03:29,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 04:03:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:29,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:03:29,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:29,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 04:03:29,649 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:03:29,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:03:29,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072347704] [2023-11-29 04:03:29,650 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:03:29,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696442663] [2023-11-29 04:03:29,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696442663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:03:29,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:03:29,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:03:29,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547959985] [2023-11-29 04:03:29,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:03:29,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:03:29,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:03:29,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:03:29,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:03:29,651 INFO L87 Difference]: Start difference. First operand 236 states and 334 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 04:03:29,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:03:29,683 INFO L93 Difference]: Finished difference Result 351 states and 496 transitions. [2023-11-29 04:03:29,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:03:29,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 185 [2023-11-29 04:03:29,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:03:29,685 INFO L225 Difference]: With dead ends: 351 [2023-11-29 04:03:29,685 INFO L226 Difference]: Without dead ends: 202 [2023-11-29 04:03:29,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:03:29,686 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 15 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:03:29,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 267 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:03:29,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2023-11-29 04:03:29,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2023-11-29 04:03:29,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 134 states have (on average 1.2761194029850746) internal successors, (171), 134 states have internal predecessors, (171), 56 states have call successors, (56), 11 states have call predecessors, (56), 11 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 04:03:29,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 283 transitions. [2023-11-29 04:03:29,714 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 283 transitions. Word has length 185 [2023-11-29 04:03:29,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:03:29,715 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 283 transitions. [2023-11-29 04:03:29,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 04:03:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 283 transitions. [2023-11-29 04:03:29,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 04:03:29,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:03:29,717 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:03:29,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 04:03:29,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:29,918 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:03:29,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:03:29,918 INFO L85 PathProgramCache]: Analyzing trace with hash 25986654, now seen corresponding path program 1 times [2023-11-29 04:03:29,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:03:29,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997088325] [2023-11-29 04:03:29,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:29,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:03:29,940 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:03:29,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [627570481] [2023-11-29 04:03:29,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:03:29,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:03:29,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:03:29,942 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:03:29,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 04:03:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:03:30,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-29 04:03:30,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:03:44,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 862 proven. 195 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2023-11-29 04:03:44,942 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:04:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 04:04:51,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:04:51,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997088325] [2023-11-29 04:04:51,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:04:51,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627570481] [2023-11-29 04:04:51,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627570481] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:04:51,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:04:51,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [28] total 37 [2023-11-29 04:04:51,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349835866] [2023-11-29 04:04:51,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:51,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 04:04:51,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:04:51,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 04:04:51,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=1144, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 04:04:51,833 INFO L87 Difference]: Start difference. First operand 202 states and 283 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 04:05:02,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2023-11-29 04:05:35,369 WARN L293 SmtUtils]: Spent 7.76s on a formula simplification. DAG size of input: 259 DAG size of output: 259 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:05:45,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:05:45,416 INFO L93 Difference]: Finished difference Result 348 states and 490 transitions. [2023-11-29 04:05:45,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-29 04:05:45,417 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 187 [2023-11-29 04:05:45,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:05:45,419 INFO L225 Difference]: With dead ends: 348 [2023-11-29 04:05:45,419 INFO L226 Difference]: Without dead ends: 346 [2023-11-29 04:05:45,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 51.6s TimeCoverageRelationStatistics Valid=305, Invalid=2144, Unknown=1, NotChecked=0, Total=2450 [2023-11-29 04:05:45,421 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 217 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:05:45,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 764 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-11-29 04:05:45,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2023-11-29 04:05:45,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 211. [2023-11-29 04:05:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 143 states have (on average 1.2797202797202798) internal successors, (183), 143 states have internal predecessors, (183), 56 states have call successors, (56), 11 states have call predecessors, (56), 11 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 04:05:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 295 transitions. [2023-11-29 04:05:45,453 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 295 transitions. Word has length 187 [2023-11-29 04:05:45,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:05:45,453 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 295 transitions. [2023-11-29 04:05:45,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 04:05:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 295 transitions. [2023-11-29 04:05:45,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 04:05:45,455 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:05:45,455 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:05:45,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 04:05:45,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-29 04:05:45,656 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:05:45,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:45,656 INFO L85 PathProgramCache]: Analyzing trace with hash -367040356, now seen corresponding path program 1 times [2023-11-29 04:05:45,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:05:45,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931419739] [2023-11-29 04:05:45,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:45,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:05:45,681 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:05:45,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [69742834] [2023-11-29 04:05:45,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:45,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:05:45,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:05:45,683 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:05:45,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 04:05:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:46,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-29 04:05:46,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:06:01,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 843 proven. 333 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-11-29 04:06:01,458 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:07:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-29 04:07:18,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:07:18,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931419739] [2023-11-29 04:07:18,370 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:07:18,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69742834] [2023-11-29 04:07:18,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69742834] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 04:07:18,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:07:18,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [40] total 52 [2023-11-29 04:07:18,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666646429] [2023-11-29 04:07:18,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:07:18,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:07:18,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:07:18,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:07:18,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=363, Invalid=2289, Unknown=0, NotChecked=0, Total=2652 [2023-11-29 04:07:18,373 INFO L87 Difference]: Start difference. First operand 211 states and 295 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 04:07:24,672 WARN L293 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 390 DAG size of output: 487 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:08:06,930 WARN L293 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 385 DAG size of output: 284 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:08:28,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:08:28,560 INFO L93 Difference]: Finished difference Result 305 states and 420 transitions. [2023-11-29 04:08:28,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-29 04:08:28,561 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 187 [2023-11-29 04:08:28,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:08:28,564 INFO L225 Difference]: With dead ends: 305 [2023-11-29 04:08:28,564 INFO L226 Difference]: Without dead ends: 303 [2023-11-29 04:08:28,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1508 ImplicationChecksByTransitivity, 72.2s TimeCoverageRelationStatistics Valid=562, Invalid=3994, Unknown=0, NotChecked=0, Total=4556 [2023-11-29 04:08:28,567 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 218 mSDsluCounter, 1038 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:08:28,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 1198 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2023-11-29 04:08:28,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-11-29 04:08:28,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 211. [2023-11-29 04:08:28,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 143 states have (on average 1.2797202797202798) internal successors, (183), 143 states have internal predecessors, (183), 56 states have call successors, (56), 11 states have call predecessors, (56), 11 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 04:08:28,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 295 transitions. [2023-11-29 04:08:28,616 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 295 transitions. Word has length 187 [2023-11-29 04:08:28,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:08:28,617 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 295 transitions. [2023-11-29 04:08:28,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-29 04:08:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 295 transitions. [2023-11-29 04:08:28,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-29 04:08:28,618 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:08:28,619 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:08:28,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 04:08:28,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:08:28,819 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:08:28,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:08:28,820 INFO L85 PathProgramCache]: Analyzing trace with hash -675077924, now seen corresponding path program 1 times [2023-11-29 04:08:28,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:08:28,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880563404] [2023-11-29 04:08:28,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:28,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:08:28,839 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:08:28,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1620730184] [2023-11-29 04:08:28,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:28,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:08:28,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:08:28,841 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:08:28,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 04:08:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:08:29,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:08:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:08:29,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:08:29,471 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:08:29,472 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:08:29,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 04:08:29,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:08:29,677 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:08:29,680 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:08:29,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 04:08:29,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-29 04:08:29,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-29 04:08:29,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-29 04:08:29,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite27 could not be translated [2023-11-29 04:08:29,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite27 could not be translated [2023-11-29 04:08:29,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated [2023-11-29 04:08:29,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:08:29 BoogieIcfgContainer [2023-11-29 04:08:29,802 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:08:29,803 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:08:29,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:08:29,803 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:08:29,804 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:03:18" (3/4) ... [2023-11-29 04:08:29,805 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:08:29,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:08:29,807 INFO L158 Benchmark]: Toolchain (without parser) took 312753.43ms. Allocated memory was 125.8MB in the beginning and 851.4MB in the end (delta: 725.6MB). Free memory was 80.5MB in the beginning and 545.5MB in the end (delta: -465.0MB). Peak memory consumption was 262.2MB. Max. memory is 16.1GB. [2023-11-29 04:08:29,807 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:08:29,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.62ms. Allocated memory is still 125.8MB. Free memory was 80.5MB in the beginning and 64.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 04:08:29,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.26ms. Allocated memory is still 125.8MB. Free memory was 64.3MB in the beginning and 59.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:08:29,808 INFO L158 Benchmark]: Boogie Preprocessor took 80.11ms. Allocated memory is still 125.8MB. Free memory was 59.0MB in the beginning and 51.6MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 04:08:29,808 INFO L158 Benchmark]: RCFGBuilder took 627.17ms. Allocated memory is still 125.8MB. Free memory was 51.1MB in the beginning and 64.5MB in the end (delta: -13.4MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-29 04:08:29,809 INFO L158 Benchmark]: TraceAbstraction took 311651.37ms. Allocated memory was 125.8MB in the beginning and 851.4MB in the end (delta: 725.6MB). Free memory was 63.7MB in the beginning and 545.5MB in the end (delta: -481.7MB). Peak memory consumption was 244.8MB. Max. memory is 16.1GB. [2023-11-29 04:08:29,809 INFO L158 Benchmark]: Witness Printer took 3.61ms. Allocated memory is still 851.4MB. Free memory is still 545.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:08:29,811 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 125.8MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.62ms. Allocated memory is still 125.8MB. Free memory was 80.5MB in the beginning and 64.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.26ms. Allocated memory is still 125.8MB. Free memory was 64.3MB in the beginning and 59.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.11ms. Allocated memory is still 125.8MB. Free memory was 59.0MB in the beginning and 51.6MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 627.17ms. Allocated memory is still 125.8MB. Free memory was 51.1MB in the beginning and 64.5MB in the end (delta: -13.4MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * TraceAbstraction took 311651.37ms. Allocated memory was 125.8MB in the beginning and 851.4MB in the end (delta: 725.6MB). Free memory was 63.7MB in the beginning and 545.5MB in the end (delta: -481.7MB). Peak memory consumption was 244.8MB. Max. memory is 16.1GB. * Witness Printer took 3.61ms. Allocated memory is still 851.4MB. Free memory is still 545.5MB. 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 Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short28 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 bitwiseOr at line 86, overapproximation of someBinaryArithmeticDOUBLEoperation at line 113, overapproximation of bitwiseAnd at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 183. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 10; [L23] signed char var_1_3 = 1; [L24] signed char var_1_4 = 100; [L25] signed char var_1_5 = 5; [L26] signed char var_1_6 = 32; [L27] signed char var_1_7 = 32; [L28] unsigned short int var_1_8 = 8; [L29] unsigned short int var_1_10 = 21451; [L30] unsigned char var_1_12 = 8; [L31] unsigned short int var_1_13 = 16; [L32] unsigned short int var_1_16 = 53444; [L33] unsigned char var_1_17 = 0; [L34] unsigned char var_1_18 = 0; [L35] double var_1_19 = 1.2; [L36] signed char var_1_20 = 1; [L37] double var_1_21 = 10.5; [L38] double var_1_22 = 0.0; [L39] double var_1_23 = 10.4; [L40] double var_1_24 = 50.5; [L41] unsigned short int var_1_25 = 2; [L42] signed long int var_1_26 = 500; [L43] float var_1_31 = 99.375; [L44] unsigned char var_1_34 = 8; [L45] signed long int var_1_36 = 1; [L46] double var_1_37 = 100.5; [L47] unsigned char var_1_40 = 0; [L48] unsigned char var_1_41 = 1; [L49] unsigned char var_1_42 = 1; [L50] unsigned char var_1_43 = 1; [L51] unsigned short int var_1_44 = 0; [L52] double var_1_46 = 1.75; [L53] unsigned short int last_1_var_1_8 = 8; [L54] unsigned char last_1_var_1_12 = 8; [L55] unsigned short int last_1_var_1_13 = 16; [L56] unsigned char last_1_var_1_17 = 0; [L57] unsigned short int last_1_var_1_25 = 2; [L187] isInitial = 1 [L188] FCALL initially() [L189] COND TRUE 1 [L190] CALL updateLastVariables() [L176] last_1_var_1_8 = var_1_8 [L177] last_1_var_1_12 = var_1_12 [L178] last_1_var_1_13 = var_1_13 [L179] last_1_var_1_17 = var_1_17 [L180] last_1_var_1_25 = var_1_25 [L190] RET updateLastVariables() [L191] CALL updateVariables() [L130] var_1_3 = __VERIFIER_nondet_char() [L131] CALL assume_abort_if_not(var_1_3 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L131] RET assume_abort_if_not(var_1_3 >= -127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L132] CALL assume_abort_if_not(var_1_3 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L132] RET assume_abort_if_not(var_1_3 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=100, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L133] var_1_4 = __VERIFIER_nondet_char() [L134] CALL assume_abort_if_not(var_1_4 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L134] RET assume_abort_if_not(var_1_4 >= -127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L135] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L135] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=5, var_1_6=32, var_1_7=32, var_1_8=8] [L136] var_1_5 = __VERIFIER_nondet_char() [L137] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=32, var_1_7=32, var_1_8=8] [L137] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=32, var_1_7=32, var_1_8=8] [L138] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=32, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=32, var_1_7=32, var_1_8=8] [L138] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=32, var_1_7=32, var_1_8=8] [L139] var_1_6 = __VERIFIER_nondet_char() [L140] CALL assume_abort_if_not(var_1_6 >= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=32, var_1_8=8] [L140] RET assume_abort_if_not(var_1_6 >= 31) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=32, var_1_8=8] [L141] CALL assume_abort_if_not(var_1_6 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=32, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=32, var_1_8=8] [L141] RET assume_abort_if_not(var_1_6 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=32, var_1_8=8] [L142] var_1_7 = __VERIFIER_nondet_char() [L143] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L143] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L144] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L144] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=21451, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L145] var_1_10 = __VERIFIER_nondet_ushort() [L146] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L146] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L147] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L147] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=53444, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L148] var_1_16 = __VERIFIER_nondet_ushort() [L149] CALL assume_abort_if_not(var_1_16 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L149] RET assume_abort_if_not(var_1_16 >= 32767) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L150] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L150] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L151] var_1_18 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L152] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L153] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L153] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=1, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L154] var_1_20 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L155] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L156] CALL assume_abort_if_not(var_1_20 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L156] RET assume_abort_if_not(var_1_20 <= 127) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_21=21/2, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L157] var_1_21 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L158] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_22=0, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L159] var_1_22 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L160] RET assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_23=52/5, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L161] var_1_23 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L162] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_24=101/2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L163] var_1_24 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L164] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L165] var_1_41 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_41 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L166] RET assume_abort_if_not(var_1_41 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L167] CALL assume_abort_if_not(var_1_41 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L167] RET assume_abort_if_not(var_1_41 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L168] var_1_42 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_42 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L169] RET assume_abort_if_not(var_1_42 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L170] CALL assume_abort_if_not(var_1_42 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L170] RET assume_abort_if_not(var_1_42 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L171] var_1_43 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_43 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L172] RET assume_abort_if_not(var_1_43 >= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L173] CALL assume_abort_if_not(var_1_43 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L173] RET assume_abort_if_not(var_1_43 <= 1) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L191] RET updateVariables() [L192] CALL step() [L61] COND FALSE !(var_1_17 && (var_1_5 > (var_1_7 / var_1_10))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L66] COND TRUE var_1_5 < var_1_10 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L67] COND FALSE !(var_1_5 <= var_1_12) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=8, var_1_36=1, var_1_37=201/2, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L75] var_1_34 = var_1_7 [L76] var_1_36 = var_1_12 [L77] var_1_37 = (var_1_23 + var_1_23) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L78] COND TRUE var_1_21 < var_1_24 [L79] var_1_40 = (! ((var_1_41 && var_1_42) && var_1_43)) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L81] EXPR 25 & var_1_6 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L81] COND FALSE !((25 & var_1_6) < (var_1_12 - 25)) [L86] EXPR var_1_13 ^ var_1_16 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=7/4, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L86] COND FALSE !(5u < (var_1_13 ^ var_1_16)) [L93] var_1_46 = var_1_24 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_24=2, var_1_25=2, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L95] COND TRUE (last_1_var_1_8 < last_1_var_1_13) || last_1_var_1_17 [L96] var_1_25 = (((((last_1_var_1_12) > (last_1_var_1_12)) ? (last_1_var_1_12) : (last_1_var_1_12))) + var_1_7) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L100] signed long int stepLocal_1 = last_1_var_1_13; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_1=16, var_1_10=16383, var_1_12=8, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L101] COND TRUE last_1_var_1_13 == stepLocal_1 [L102] var_1_12 = ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_1=16, var_1_10=16383, var_1_12=1, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=8] [L104] var_1_8 = (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12)) [L105] signed long int stepLocal_0 = -1000000; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_0=-1000000, stepLocal_1=16, var_1_10=16383, var_1_12=1, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=10, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=16447] [L106] COND TRUE var_1_8 >= stepLocal_0 [L107] var_1_1 = ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_0=-1000000, stepLocal_1=16, var_1_10=16383, var_1_12=1, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=3, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=16447] [L111] signed char stepLocal_3 = var_1_1; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_0=-1000000, stepLocal_1=16, stepLocal_3=3, var_1_10=16383, var_1_12=1, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_19=6/5, var_1_1=3, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=16447] [L112] COND TRUE stepLocal_3 >= (var_1_5 - var_1_20) [L113] var_1_19 = (((((var_1_21) < ((var_1_22 - var_1_23))) ? (var_1_21) : ((var_1_22 - var_1_23)))) - var_1_24) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_0=-1000000, stepLocal_1=16, stepLocal_3=3, var_1_10=16383, var_1_12=1, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=16447] [L115] COND TRUE ((((((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) < (last_1_var_1_8)) ? (((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) : (last_1_var_1_8))) > (var_1_3 * last_1_var_1_25) [L116] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_0=-1000000, stepLocal_1=16, stepLocal_3=3, var_1_10=16383, var_1_12=1, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=16447] [L118] unsigned short int stepLocal_2 = var_1_25; VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_0=-1000000, stepLocal_1=16, stepLocal_2=9, stepLocal_3=3, var_1_10=16383, var_1_12=1, var_1_13=16, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=16447] [L119] COND FALSE !(\read(var_1_17)) [L126] var_1_13 = (var_1_16 - var_1_10) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, stepLocal_0=-1000000, stepLocal_1=16, stepLocal_2=9, stepLocal_3=3, var_1_10=16383, var_1_12=1, var_1_13=16384, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=16447] [L192] RET step() [L193] CALL, EXPR property() [L183] EXPR ((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10)))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=1, var_1_13=16384, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=16447] [L183] EXPR var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=1, var_1_13=16384, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=16447] [L183] EXPR ((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10)))) VAL [isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=1, var_1_13=16384, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=16447] [L183-L184] return (((((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) ((((var_1_7) < (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6)))))))) ? (var_1_7) : (((((var_1_12) > (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))) ? (var_1_12) : (((((var_1_12) < (var_1_6)) ? (var_1_12) : (var_1_6))))))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))))) && ((((((((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) < (last_1_var_1_8)) ? (((((last_1_var_1_12) > (var_1_6)) ? (last_1_var_1_12) : (var_1_6)))) : (last_1_var_1_8))) > (var_1_3 * last_1_var_1_25)) ? (var_1_17 == ((unsigned char) var_1_18)) : 1)) && ((var_1_1 >= (var_1_5 - var_1_20)) ? (var_1_19 == ((double) (((((var_1_21) < ((var_1_22 - var_1_23))) ? (var_1_21) : ((var_1_22 - var_1_23)))) - var_1_24))) : 1)) && (((last_1_var_1_8 < last_1_var_1_13) || last_1_var_1_17) ? (var_1_25 == ((unsigned short int) (((((last_1_var_1_12) > (last_1_var_1_12)) ? (last_1_var_1_12) : (last_1_var_1_12))) + var_1_7))) : (var_1_25 == ((unsigned short int) var_1_7))) ; [L193] RET, EXPR property() [L193] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=1, var_1_13=16384, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=16447] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=8, last_1_var_1_13=16, last_1_var_1_17=0, last_1_var_1_25=2, last_1_var_1_8=8, var_1_10=16383, var_1_12=1, var_1_13=16384, var_1_16=32767, var_1_17=0, var_1_18=0, var_1_1=3, var_1_20=6, var_1_24=2, var_1_25=9, var_1_26=500, var_1_31=795/8, var_1_34=1, var_1_36=8, var_1_3=3, var_1_40=0, var_1_41=1, var_1_42=1, var_1_43=1, var_1_44=0, var_1_46=2, var_1_4=3, var_1_5=9, var_1_6=63, var_1_7=1, var_1_8=16447] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 98 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 311.5s, OverallIterations: 12, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 126.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1655 SdHoareTripleChecker+Valid, 23.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1614 mSDsluCounter, 5157 SdHoareTripleChecker+Invalid, 23.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3662 mSDsCounter, 230 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2808 IncrementalHoareTripleChecker+Invalid, 3038 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 230 mSolverCounterUnsat, 1495 mSDtfsCounter, 2808 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3354 GetRequests, 3169 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2506 ImplicationChecksByTransitivity, 124.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=7, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 342 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 178.3s InterpolantComputationTime, 2393 NumberOfCodeBlocks, 2393 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3298 ConstructedInterpolants, 21 QuantifiedInterpolants, 35940 SizeOfPredicates, 100 NumberOfNonLiveVariables, 4947 ConjunctsInSsa, 193 ConjunctsInUnsatCore, 18 InterpolantComputations, 7 PerfectInterpolantSequences, 26142/27216 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 04:08:30,023 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-11-29 04:08:30,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/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_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/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_bd72396d-a5a2-4dc3-9d03-e84be066652a/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 970538dd9083d93a461fb14f2c7c5ecaf35f3c2afcba98b5255f20442a223b33 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:08:31,811 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:08:31,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:08:31,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:08:31,895 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:08:31,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:08:31,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:08:31,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:08:31,927 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:08:31,927 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:08:31,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:08:31,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:08:31,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:08:31,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:08:31,930 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:08:31,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:08:31,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:08:31,932 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:08:31,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:08:31,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:08:31,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:08:31,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:08:31,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:08:31,938 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:08:31,938 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:08:31,938 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:08:31,939 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:08:31,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:08:31,939 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:08:31,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:08:31,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:08:31,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:08:31,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:08:31,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:08:31,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:08:31,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:08:31,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:08:31,942 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:08:31,943 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:08:31,943 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:08:31,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:08:31,943 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:08:31,944 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:08:31,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:08:31,944 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:08:31,944 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_bd72396d-a5a2-4dc3-9d03-e84be066652a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 970538dd9083d93a461fb14f2c7c5ecaf35f3c2afcba98b5255f20442a223b33 [2023-11-29 04:08:32,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:08:32,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:08:32,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:08:32,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:08:32,287 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:08:32,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i [2023-11-29 04:08:35,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:08:35,327 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:08:35,328 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i [2023-11-29 04:08:35,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/data/a536141c4/24757fae61b745bc985ed1e010220fe5/FLAG0d6e66558 [2023-11-29 04:08:35,355 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/data/a536141c4/24757fae61b745bc985ed1e010220fe5 [2023-11-29 04:08:35,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:08:35,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:08:35,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:08:35,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:08:35,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:08:35,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27174ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35, skipping insertion in model container [2023-11-29 04:08:35,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,411 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:08:35,563 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_bd72396d-a5a2-4dc3-9d03-e84be066652a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i[919,932] [2023-11-29 04:08:35,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:08:35,653 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:08:35,667 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_bd72396d-a5a2-4dc3-9d03-e84be066652a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i[919,932] [2023-11-29 04:08:35,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:08:35,737 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:08:35,738 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35 WrapperNode [2023-11-29 04:08:35,738 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:08:35,739 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:08:35,739 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:08:35,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:08:35,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,793 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-11-29 04:08:35,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:08:35,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:08:35,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:08:35,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:08:35,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,822 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 04:08:35,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:08:35,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:08:35,853 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:08:35,853 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:08:35,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (1/1) ... [2023-11-29 04:08:35,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:08:35,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:08:35,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:08:35,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:08:35,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:08:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:08:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:08:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:08:35,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:08:35,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:08:36,014 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:08:36,016 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:08:38,654 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:08:38,735 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:08:38,735 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:08:38,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:08:38 BoogieIcfgContainer [2023-11-29 04:08:38,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:08:38,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:08:38,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:08:38,741 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:08:38,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:08:35" (1/3) ... [2023-11-29 04:08:38,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43fda8b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:08:38, skipping insertion in model container [2023-11-29 04:08:38,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:08:35" (2/3) ... [2023-11-29 04:08:38,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43fda8b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:08:38, skipping insertion in model container [2023-11-29 04:08:38,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:08:38" (3/3) ... [2023-11-29 04:08:38,744 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-21.i [2023-11-29 04:08:38,759 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:08:38,759 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:08:38,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:08:38,808 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;@254ae111, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:08:38,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:08:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 49 states have (on average 1.469387755102041) internal successors, (72), 50 states have internal predecessors, (72), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 04:08:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 04:08:38,830 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:08:38,831 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:08:38,832 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:08:38,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:08:38,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1953724437, now seen corresponding path program 1 times [2023-11-29 04:08:38,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:08:38,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509712538] [2023-11-29 04:08:38,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:38,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:08:38,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:08:38,856 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:08:38,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 04:08:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:39,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:08:39,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:08:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-11-29 04:08:39,321 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:08:39,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:08:39,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509712538] [2023-11-29 04:08:39,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509712538] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:08:39,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:08:39,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:08:39,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421475470] [2023-11-29 04:08:39,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:08:39,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:08:39,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:08:39,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:08:39,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:08:39,359 INFO L87 Difference]: Start difference. First operand has 80 states, 49 states have (on average 1.469387755102041) internal successors, (72), 50 states have internal predecessors, (72), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 04:08:39,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:08:39,964 INFO L93 Difference]: Finished difference Result 157 states and 282 transitions. [2023-11-29 04:08:39,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:08:39,981 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 177 [2023-11-29 04:08:39,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:08:39,987 INFO L225 Difference]: With dead ends: 157 [2023-11-29 04:08:39,987 INFO L226 Difference]: Without dead ends: 78 [2023-11-29 04:08:39,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:08:39,994 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 04:08:39,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 04:08:40,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-29 04:08:40,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-29 04:08:40,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 48 states have internal predecessors, (67), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-29 04:08:40,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 123 transitions. [2023-11-29 04:08:40,032 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 123 transitions. Word has length 177 [2023-11-29 04:08:40,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:08:40,032 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 123 transitions. [2023-11-29 04:08:40,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-29 04:08:40,033 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2023-11-29 04:08:40,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 04:08:40,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:08:40,036 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:08:40,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:08:40,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:08:40,237 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:08:40,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:08:40,238 INFO L85 PathProgramCache]: Analyzing trace with hash -497154077, now seen corresponding path program 1 times [2023-11-29 04:08:40,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:08:40,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117340742] [2023-11-29 04:08:40,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:40,239 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:08:40,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:08:40,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:08:40,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 04:08:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:40,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:08:40,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:08:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 771 proven. 45 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2023-11-29 04:08:41,804 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:08:42,063 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:08:42,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1117340742] [2023-11-29 04:08:42,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1117340742] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:08:42,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [18382528] [2023-11-29 04:08:42,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:42,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 04:08:42,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 04:08:42,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 04:08:42,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-29 04:08:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:43,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:08:43,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:08:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 727 proven. 51 refuted. 0 times theorem prover too weak. 734 trivial. 0 not checked. [2023-11-29 04:08:43,494 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:08:43,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [18382528] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:08:43,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:08:43,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 04:08:43,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674371169] [2023-11-29 04:08:43,575 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:08:43,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 04:08:43,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:08:43,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 04:08:43,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-29 04:08:43,580 INFO L87 Difference]: Start difference. First operand 78 states and 123 transitions. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 4 states have call successors, (56), 4 states have call predecessors, (56), 6 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2023-11-29 04:08:45,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:08:45,928 INFO L93 Difference]: Finished difference Result 243 states and 375 transitions. [2023-11-29 04:08:45,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-29 04:08:45,929 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 4 states have call successors, (56), 4 states have call predecessors, (56), 6 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) Word has length 177 [2023-11-29 04:08:45,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:08:45,932 INFO L225 Difference]: With dead ends: 243 [2023-11-29 04:08:45,932 INFO L226 Difference]: Without dead ends: 166 [2023-11-29 04:08:45,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 469 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2023-11-29 04:08:45,935 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 156 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:08:45,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 381 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-29 04:08:45,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-29 04:08:45,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 150. [2023-11-29 04:08:45,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 88 states have (on average 1.2727272727272727) internal successors, (112), 88 states have internal predecessors, (112), 56 states have call successors, (56), 5 states have call predecessors, (56), 5 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 04:08:45,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 224 transitions. [2023-11-29 04:08:45,974 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 224 transitions. Word has length 177 [2023-11-29 04:08:45,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:08:45,976 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 224 transitions. [2023-11-29 04:08:45,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 4 states have call successors, (56), 4 states have call predecessors, (56), 6 states have return successors, (56), 4 states have call predecessors, (56), 4 states have call successors, (56) [2023-11-29 04:08:45,976 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 224 transitions. [2023-11-29 04:08:45,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-29 04:08:45,980 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:08:45,980 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:08:45,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 04:08:46,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-29 04:08:46,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 04:08:46,383 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:08:46,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:08:46,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1291521776, now seen corresponding path program 1 times [2023-11-29 04:08:46,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:08:46,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718415799] [2023-11-29 04:08:46,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:46,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:08:46,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:08:46,385 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:08:46,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/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 04:08:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:46,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 04:08:46,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:08:47,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 777 proven. 36 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2023-11-29 04:08:47,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:08:47,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-11-29 04:08:47,274 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:08:47,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718415799] [2023-11-29 04:08:47,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718415799] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:08:47,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:08:47,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-29 04:08:47,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059387467] [2023-11-29 04:08:47,275 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:08:47,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 04:08:47,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:08:47,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 04:08:47,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:08:47,278 INFO L87 Difference]: Start difference. First operand 150 states and 224 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-11-29 04:08:49,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 04:08:49,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:08:49,124 INFO L93 Difference]: Finished difference Result 247 states and 361 transitions. [2023-11-29 04:08:49,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:08:49,145 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 179 [2023-11-29 04:08:49,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:08:49,148 INFO L225 Difference]: With dead ends: 247 [2023-11-29 04:08:49,148 INFO L226 Difference]: Without dead ends: 166 [2023-11-29 04:08:49,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 350 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:08:49,150 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 64 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:08:49,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 198 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 04:08:49,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-29 04:08:49,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 158. [2023-11-29 04:08:49,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 94 states have (on average 1.2446808510638299) internal successors, (117), 94 states have internal predecessors, (117), 56 states have call successors, (56), 7 states have call predecessors, (56), 7 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-11-29 04:08:49,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 229 transitions. [2023-11-29 04:08:49,182 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 229 transitions. Word has length 179 [2023-11-29 04:08:49,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:08:49,183 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 229 transitions. [2023-11-29 04:08:49,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-11-29 04:08:49,183 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 229 transitions. [2023-11-29 04:08:49,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-29 04:08:49,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:08:49,187 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:08:49,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/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 04:08:49,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:08:49,391 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:08:49,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:08:49,391 INFO L85 PathProgramCache]: Analyzing trace with hash 280404526, now seen corresponding path program 1 times [2023-11-29 04:08:49,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:08:49,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1457488117] [2023-11-29 04:08:49,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:08:49,392 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:08:49,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:08:49,393 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:08:49,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd72396d-a5a2-4dc3-9d03-e84be066652a/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 04:08:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:08:50,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-29 04:08:50,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:11:24,536 WARN L293 SmtUtils]: Spent 51.87s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:13:37,837 WARN L293 SmtUtils]: Spent 57.28s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:14:51,805 WARN L293 SmtUtils]: Spent 6.78s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:17:04,447 WARN L293 SmtUtils]: Spent 1.00m on a formula simplification that was a NOOP. DAG size: 99 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)