./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 5f6d39be06f72af7d16bb75a603102ae57047b9834b57686fb81555f831b4fac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:49:32,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:49:32,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:49:32,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:49:32,624 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:49:32,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:49:32,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:49:32,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:49:32,647 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:49:32,648 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:49:32,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:49:32,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:49:32,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:49:32,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:49:32,651 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:49:32,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:49:32,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:49:32,652 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:49:32,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:49:32,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:49:32,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:49:32,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:49:32,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:49:32,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:49:32,656 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:49:32,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:49:32,657 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:49:32,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:49:32,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:49:32,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:49:32,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:49:32,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:49:32,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:49:32,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:49:32,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:49:32,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:49:32,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:49:32,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:49:32,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:49:32,660 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:49:32,660 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:49:32,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:49:32,661 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_0b08c92a-62ce-492b-914f-6624e3ad48cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f6d39be06f72af7d16bb75a603102ae57047b9834b57686fb81555f831b4fac [2023-11-29 04:49:32,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:49:32,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:49:32,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:49:32,884 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:49:32,884 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:49:32,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i [2023-11-29 04:49:35,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:49:35,952 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:49:35,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i [2023-11-29 04:49:35,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/data/a209c9656/9272bee925ef4a03929e836c23c0cc3a/FLAG373bb9009 [2023-11-29 04:49:35,979 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/data/a209c9656/9272bee925ef4a03929e836c23c0cc3a [2023-11-29 04:49:35,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:49:35,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:49:35,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:49:35,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:49:35,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:49:35,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:49:35" (1/1) ... [2023-11-29 04:49:35,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747d61e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:35, skipping insertion in model container [2023-11-29 04:49:35,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:49:35" (1/1) ... [2023-11-29 04:49:36,032 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:49:36,174 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_0b08c92a-62ce-492b-914f-6624e3ad48cf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i[919,932] [2023-11-29 04:49:36,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:49:36,261 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:49:36,271 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_0b08c92a-62ce-492b-914f-6624e3ad48cf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i[919,932] [2023-11-29 04:49:36,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:49:36,326 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:49:36,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36 WrapperNode [2023-11-29 04:49:36,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:49:36,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:49:36,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:49:36,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:49:36,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (1/1) ... [2023-11-29 04:49:36,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (1/1) ... [2023-11-29 04:49:36,393 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 214 [2023-11-29 04:49:36,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:49:36,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:49:36,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:49:36,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:49:36,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (1/1) ... [2023-11-29 04:49:36,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (1/1) ... [2023-11-29 04:49:36,408 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (1/1) ... [2023-11-29 04:49:36,431 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 04:49:36,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (1/1) ... [2023-11-29 04:49:36,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (1/1) ... [2023-11-29 04:49:36,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (1/1) ... [2023-11-29 04:49:36,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (1/1) ... [2023-11-29 04:49:36,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (1/1) ... [2023-11-29 04:49:36,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (1/1) ... [2023-11-29 04:49:36,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:49:36,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:49:36,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:49:36,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:49:36,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (1/1) ... [2023-11-29 04:49:36,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:49:36,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:36,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:49:36,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:49:36,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:49:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:49:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:49:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:49:36,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:49:36,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:49:36,634 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:49:36,635 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:49:37,031 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:49:37,073 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:49:37,073 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:49:37,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:49:37 BoogieIcfgContainer [2023-11-29 04:49:37,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:49:37,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:49:37,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:49:37,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:49:37,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:49:35" (1/3) ... [2023-11-29 04:49:37,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d77032c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:49:37, skipping insertion in model container [2023-11-29 04:49:37,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:49:36" (2/3) ... [2023-11-29 04:49:37,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d77032c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:49:37, skipping insertion in model container [2023-11-29 04:49:37,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:49:37" (3/3) ... [2023-11-29 04:49:37,083 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i [2023-11-29 04:49:37,104 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:49:37,104 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:49:37,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:49:37,166 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;@4c4be2be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:49:37,166 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:49:37,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 54 states have (on average 1.5740740740740742) internal successors, (85), 55 states have internal predecessors, (85), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-29 04:49:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 04:49:37,188 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:37,189 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:37,190 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:37,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:37,194 INFO L85 PathProgramCache]: Analyzing trace with hash 70744474, now seen corresponding path program 1 times [2023-11-29 04:49:37,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:37,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159728346] [2023-11-29 04:49:37,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:37,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:37,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:37,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159728346] [2023-11-29 04:49:37,413 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 04:49:37,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079597495] [2023-11-29 04:49:37,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:37,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:37,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:37,415 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:37,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 04:49:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:37,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:49:37,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1352 trivial. 0 not checked. [2023-11-29 04:49:37,690 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:37,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079597495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:37,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:37,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:49:37,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165207643] [2023-11-29 04:49:37,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:37,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:49:37,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:37,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:49:37,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:49:37,732 INFO L87 Difference]: Start difference. First operand has 84 states, 54 states have (on average 1.5740740740740742) internal successors, (85), 55 states have internal predecessors, (85), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-29 04:49:37,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:37,782 INFO L93 Difference]: Finished difference Result 165 states and 303 transitions. [2023-11-29 04:49:37,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:49:37,786 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 171 [2023-11-29 04:49:37,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:37,794 INFO L225 Difference]: With dead ends: 165 [2023-11-29 04:49:37,795 INFO L226 Difference]: Without dead ends: 82 [2023-11-29 04:49:37,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 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 04:49:37,803 INFO L413 NwaCegarLoop]: 129 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, 129 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 04:49:37,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:49:37,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-29 04:49:37,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-29 04:49:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 53 states have (on average 1.471698113207547) internal successors, (78), 53 states have internal predecessors, (78), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-29 04:49:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 132 transitions. [2023-11-29 04:49:37,853 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 132 transitions. Word has length 171 [2023-11-29 04:49:37,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:37,854 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 132 transitions. [2023-11-29 04:49:37,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-29 04:49:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 132 transitions. [2023-11-29 04:49:37,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 04:49:37,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:37,860 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:37,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:49:38,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 04:49:38,061 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:38,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:38,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1809373212, now seen corresponding path program 1 times [2023-11-29 04:49:38,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:38,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412025835] [2023-11-29 04:49:38,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:38,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:38,136 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:38,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [848206174] [2023-11-29 04:49:38,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:38,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:38,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:38,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:38,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 04:49:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:38,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:49:38,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:38,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-29 04:49:38,574 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:38,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:38,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412025835] [2023-11-29 04:49:38,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:38,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848206174] [2023-11-29 04:49:38,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848206174] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:38,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:38,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:49:38,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092697675] [2023-11-29 04:49:38,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:38,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:49:38,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:38,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:49:38,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:49:38,579 INFO L87 Difference]: Start difference. First operand 82 states and 132 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:49:38,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:38,642 INFO L93 Difference]: Finished difference Result 230 states and 373 transitions. [2023-11-29 04:49:38,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:49:38,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2023-11-29 04:49:38,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:38,647 INFO L225 Difference]: With dead ends: 230 [2023-11-29 04:49:38,647 INFO L226 Difference]: Without dead ends: 149 [2023-11-29 04:49:38,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 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 04:49:38,651 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 31 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:38,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 249 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:49:38,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-29 04:49:38,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 137. [2023-11-29 04:49:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 04:49:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 219 transitions. [2023-11-29 04:49:38,680 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 219 transitions. Word has length 171 [2023-11-29 04:49:38,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:38,681 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 219 transitions. [2023-11-29 04:49:38,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:49:38,681 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 219 transitions. [2023-11-29 04:49:38,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 04:49:38,685 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:38,686 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:38,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 04:49:38,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:38,889 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:38,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:38,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1585612227, now seen corresponding path program 1 times [2023-11-29 04:49:38,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:38,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892239648] [2023-11-29 04:49:38,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:38,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:38,934 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:38,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [844428742] [2023-11-29 04:49:38,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:38,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:38,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:38,936 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:38,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 04:49:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:39,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:49:39,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-29 04:49:39,401 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:39,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:39,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892239648] [2023-11-29 04:49:39,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:39,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844428742] [2023-11-29 04:49:39,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844428742] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:39,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:39,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:49:39,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875812577] [2023-11-29 04:49:39,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:39,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:49:39,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:39,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:49:39,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:49:39,405 INFO L87 Difference]: Start difference. First operand 137 states and 219 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:49:39,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:39,594 INFO L93 Difference]: Finished difference Result 245 states and 393 transitions. [2023-11-29 04:49:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:49:39,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 173 [2023-11-29 04:49:39,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:39,598 INFO L225 Difference]: With dead ends: 245 [2023-11-29 04:49:39,598 INFO L226 Difference]: Without dead ends: 164 [2023-11-29 04:49:39,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:49:39,601 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 95 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:39,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 380 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:49:39,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-29 04:49:39,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 146. [2023-11-29 04:49:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 89 states have (on average 1.404494382022472) internal successors, (125), 89 states have internal predecessors, (125), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 04:49:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 233 transitions. [2023-11-29 04:49:39,635 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 233 transitions. Word has length 173 [2023-11-29 04:49:39,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:39,636 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 233 transitions. [2023-11-29 04:49:39,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:49:39,636 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 233 transitions. [2023-11-29 04:49:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 04:49:39,640 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:39,640 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:39,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 04:49:39,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:39,841 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:39,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:39,842 INFO L85 PathProgramCache]: Analyzing trace with hash -2137257291, now seen corresponding path program 1 times [2023-11-29 04:49:39,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:39,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030832690] [2023-11-29 04:49:39,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:39,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:39,882 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:39,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863302611] [2023-11-29 04:49:39,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:39,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:39,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:39,885 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:39,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 04:49:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:40,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 04:49:40,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-29 04:49:41,098 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:41,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:41,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030832690] [2023-11-29 04:49:41,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:41,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863302611] [2023-11-29 04:49:41,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1863302611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:41,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:41,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:49:41,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468815831] [2023-11-29 04:49:41,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:41,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:49:41,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:41,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:49:41,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:49:41,101 INFO L87 Difference]: Start difference. First operand 146 states and 233 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:49:41,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:41,194 INFO L93 Difference]: Finished difference Result 247 states and 396 transitions. [2023-11-29 04:49:41,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:49:41,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2023-11-29 04:49:41,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:41,198 INFO L225 Difference]: With dead ends: 247 [2023-11-29 04:49:41,198 INFO L226 Difference]: Without dead ends: 152 [2023-11-29 04:49:41,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 172 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 04:49:41,199 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 32 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:41,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 219 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:49:41,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-11-29 04:49:41,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 146. [2023-11-29 04:49:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 89 states have (on average 1.3820224719101124) internal successors, (123), 89 states have internal predecessors, (123), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 04:49:41,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 231 transitions. [2023-11-29 04:49:41,223 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 231 transitions. Word has length 174 [2023-11-29 04:49:41,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:41,224 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 231 transitions. [2023-11-29 04:49:41,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:49:41,225 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 231 transitions. [2023-11-29 04:49:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-29 04:49:41,227 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:41,228 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:41,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 04:49:41,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:41,432 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:41,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:41,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1075670882, now seen corresponding path program 1 times [2023-11-29 04:49:41,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:41,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377239668] [2023-11-29 04:49:41,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:41,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:41,469 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:41,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386275445] [2023-11-29 04:49:41,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:41,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:41,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:41,471 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:41,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 04:49:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:41,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 04:49:41,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-29 04:49:41,983 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:41,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:41,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377239668] [2023-11-29 04:49:41,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:41,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386275445] [2023-11-29 04:49:41,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386275445] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:41,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:41,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:49:41,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651639984] [2023-11-29 04:49:41,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:41,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:49:41,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:41,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:49:41,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:49:41,986 INFO L87 Difference]: Start difference. First operand 146 states and 231 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:49:42,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:42,161 INFO L93 Difference]: Finished difference Result 317 states and 504 transitions. [2023-11-29 04:49:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:49:42,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2023-11-29 04:49:42,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:42,165 INFO L225 Difference]: With dead ends: 317 [2023-11-29 04:49:42,166 INFO L226 Difference]: Without dead ends: 236 [2023-11-29 04:49:42,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:49:42,167 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 114 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:42,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 385 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:49:42,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2023-11-29 04:49:42,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 225. [2023-11-29 04:49:42,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 140 states have (on average 1.4071428571428573) internal successors, (197), 140 states have internal predecessors, (197), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-29 04:49:42,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 359 transitions. [2023-11-29 04:49:42,204 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 359 transitions. Word has length 175 [2023-11-29 04:49:42,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:42,205 INFO L495 AbstractCegarLoop]: Abstraction has 225 states and 359 transitions. [2023-11-29 04:49:42,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:49:42,205 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 359 transitions. [2023-11-29 04:49:42,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 04:49:42,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:42,208 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:42,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 04:49:42,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:42,409 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:42,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1633180193, now seen corresponding path program 1 times [2023-11-29 04:49:42,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:42,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159008480] [2023-11-29 04:49:42,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:42,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:42,441 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:42,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [229845430] [2023-11-29 04:49:42,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:42,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:42,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:42,442 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:42,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 04:49:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:42,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 04:49:42,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:43,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-29 04:49:43,364 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:49:43,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:49:43,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159008480] [2023-11-29 04:49:43,364 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:49:43,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229845430] [2023-11-29 04:49:43,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229845430] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:49:43,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:49:43,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 04:49:43,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895509384] [2023-11-29 04:49:43,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:49:43,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:49:43,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:49:43,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:49:43,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:49:43,367 INFO L87 Difference]: Start difference. First operand 225 states and 359 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:49:43,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:49:43,725 INFO L93 Difference]: Finished difference Result 420 states and 672 transitions. [2023-11-29 04:49:43,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:49:43,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2023-11-29 04:49:43,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:49:43,730 INFO L225 Difference]: With dead ends: 420 [2023-11-29 04:49:43,730 INFO L226 Difference]: Without dead ends: 258 [2023-11-29 04:49:43,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:49:43,731 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 72 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:49:43,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 347 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 04:49:43,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2023-11-29 04:49:43,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 232. [2023-11-29 04:49:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 147 states have (on average 1.4081632653061225) internal successors, (207), 147 states have internal predecessors, (207), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-29 04:49:43,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 369 transitions. [2023-11-29 04:49:43,766 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 369 transitions. Word has length 176 [2023-11-29 04:49:43,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:49:43,767 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 369 transitions. [2023-11-29 04:49:43,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:49:43,767 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 369 transitions. [2023-11-29 04:49:43,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 04:49:43,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:49:43,769 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:49:43,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 04:49:43,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:43,970 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:49:43,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:49:43,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1830502909, now seen corresponding path program 1 times [2023-11-29 04:49:43,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:49:43,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765639654] [2023-11-29 04:49:43,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:43,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:49:44,001 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:49:44,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1584091854] [2023-11-29 04:49:44,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:49:44,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:49:44,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:49:44,003 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:49:44,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 04:49:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:49:44,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-29 04:49:44,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 338 proven. 300 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2023-11-29 04:49:46,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:49:55,155 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:50:05,839 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:51:06,640 WARN L293 SmtUtils]: Spent 22.36s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:51:18,827 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:51:39,401 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:51:43,985 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (mod c_~var_1_4~0 256))) (let ((.cse4 (mod c_~var_1_19~0 4294967296)) (.cse2 (div (mod c_~var_1_6~0 65536) .cse7))) (let ((.cse0 (mod (+ .cse7 c_~var_1_7~0) 65536)) (.cse3 (mod (* c_~var_1_19~0 .cse2) 4294967296)) (.cse5 (mod |c_ULTIMATE.start_step_~stepLocal_2~0#1| 65536)) (.cse6 (+ (mod c_~var_1_7~0 65536) .cse7 1)) (.cse1 (+ .cse4 1))) (and (or (< .cse0 .cse1) (not (= (mod (* .cse2 .cse0) 4294967296) .cse0))) (or (not (= .cse3 .cse0)) (< .cse4 .cse0)) (or (< .cse5 .cse3) (< .cse3 .cse6) (< .cse4 .cse3)) (forall ((v_z_6 Int)) (or (not (= (mod (* v_z_6 .cse2) 4294967296) v_z_6)) (< .cse5 v_z_6) (< v_z_6 .cse6) (< v_z_6 .cse1))))))) is different from false [2023-11-29 04:52:03,330 WARN L293 SmtUtils]: Spent 7.85s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:52:15,571 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:52:23,693 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse7 (mod c_~var_1_4~0 256))) (let ((.cse2 (div (mod c_~var_1_6~0 65536) .cse7)) (.cse4 (mod c_~var_1_19~0 4294967296))) (let ((.cse0 (mod (+ .cse7 c_~var_1_7~0) 65536)) (.cse1 (+ .cse4 1)) (.cse6 (mod c_~var_1_17~0 65536)) (.cse5 (+ (mod c_~var_1_7~0 65536) .cse7 1)) (.cse3 (mod (* c_~var_1_19~0 .cse2) 4294967296))) (and (or (< .cse0 .cse1) (not (= (mod (* .cse2 .cse0) 4294967296) .cse0))) (or (not (= .cse3 .cse0)) (< .cse4 .cse0)) (forall ((v_z_6 Int)) (or (not (= (mod (* v_z_6 .cse2) 4294967296) v_z_6)) (< v_z_6 .cse5) (< v_z_6 .cse1) (< .cse6 v_z_6))) (or (< .cse6 .cse3) (< .cse3 .cse5) (< .cse4 .cse3)))))) is different from false [2023-11-29 04:52:38,980 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:52:48,921 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:54:04,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:54:04,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765639654] [2023-11-29 04:54:04,314 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:54:04,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584091854] [2023-11-29 04:54:04,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584091854] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:54:04,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:54:04,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2023-11-29 04:54:04,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148621707] [2023-11-29 04:54:04,315 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 04:54:04,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-29 04:54:04,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:54:04,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 04:54:04,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=640, Unknown=8, NotChecked=114, Total=992 [2023-11-29 04:54:04,317 INFO L87 Difference]: Start difference. First operand 232 states and 369 transitions. Second operand has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 20 states have internal predecessors, (63), 6 states have call successors, (27), 6 states have call predecessors, (27), 7 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2023-11-29 04:54:21,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:54:21,275 INFO L93 Difference]: Finished difference Result 403 states and 579 transitions. [2023-11-29 04:54:21,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-29 04:54:21,276 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 20 states have internal predecessors, (63), 6 states have call successors, (27), 6 states have call predecessors, (27), 7 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 177 [2023-11-29 04:54:21,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:54:21,279 INFO L225 Difference]: With dead ends: 403 [2023-11-29 04:54:21,279 INFO L226 Difference]: Without dead ends: 322 [2023-11-29 04:54:21,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 129.9s TimeCoverageRelationStatistics Valid=490, Invalid=1400, Unknown=10, NotChecked=170, Total=2070 [2023-11-29 04:54:21,281 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 130 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:54:21,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 542 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 04:54:21,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2023-11-29 04:54:21,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 294. [2023-11-29 04:54:21,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 194 states have (on average 1.309278350515464) internal successors, (254), 194 states have internal predecessors, (254), 81 states have call successors, (81), 18 states have call predecessors, (81), 18 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-29 04:54:21,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 416 transitions. [2023-11-29 04:54:21,325 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 416 transitions. Word has length 177 [2023-11-29 04:54:21,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:54:21,325 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 416 transitions. [2023-11-29 04:54:21,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 20 states have internal predecessors, (63), 6 states have call successors, (27), 6 states have call predecessors, (27), 7 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2023-11-29 04:54:21,326 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 416 transitions. [2023-11-29 04:54:21,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 04:54:21,328 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:54:21,329 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:21,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 04:54:21,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:54:21,531 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:54:21,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:54:21,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1887761211, now seen corresponding path program 1 times [2023-11-29 04:54:21,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:54:21,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156422664] [2023-11-29 04:54:21,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:21,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:54:21,557 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:54:21,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [766346406] [2023-11-29 04:54:21,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:21,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:54:21,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:54:21,559 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:54:21,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 04:54:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:21,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 04:54:21,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:54:22,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 722 proven. 42 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-29 04:54:22,164 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:54:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-29 04:54:22,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:54:22,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156422664] [2023-11-29 04:54:22,492 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:54:22,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766346406] [2023-11-29 04:54:22,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766346406] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:54:22,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:54:22,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2023-11-29 04:54:22,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860861302] [2023-11-29 04:54:22,493 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:54:22,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 04:54:22,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:54:22,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 04:54:22,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-11-29 04:54:22,495 INFO L87 Difference]: Start difference. First operand 294 states and 416 transitions. Second operand has 15 states, 15 states have (on average 6.2) internal successors, (93), 15 states have internal predecessors, (93), 4 states have call successors, (54), 3 states have call predecessors, (54), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2023-11-29 04:54:23,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:54:23,865 INFO L93 Difference]: Finished difference Result 1001 states and 1360 transitions. [2023-11-29 04:54:23,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 04:54:23,866 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 15 states have internal predecessors, (93), 4 states have call successors, (54), 3 states have call predecessors, (54), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) Word has length 177 [2023-11-29 04:54:23,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:54:23,872 INFO L225 Difference]: With dead ends: 1001 [2023-11-29 04:54:23,872 INFO L226 Difference]: Without dead ends: 799 [2023-11-29 04:54:23,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 343 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=317, Invalid=1015, Unknown=0, NotChecked=0, Total=1332 [2023-11-29 04:54:23,874 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 905 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 476 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 919 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 476 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:54:23,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [919 Valid, 1102 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [476 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 04:54:23,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-11-29 04:54:23,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 498. [2023-11-29 04:54:23,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 339 states have (on average 1.2418879056047198) internal successors, (421), 342 states have internal predecessors, (421), 118 states have call successors, (118), 40 states have call predecessors, (118), 40 states have return successors, (118), 115 states have call predecessors, (118), 118 states have call successors, (118) [2023-11-29 04:54:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 657 transitions. [2023-11-29 04:54:23,931 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 657 transitions. Word has length 177 [2023-11-29 04:54:23,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:54:23,932 INFO L495 AbstractCegarLoop]: Abstraction has 498 states and 657 transitions. [2023-11-29 04:54:23,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.2) internal successors, (93), 15 states have internal predecessors, (93), 4 states have call successors, (54), 3 states have call predecessors, (54), 5 states have return successors, (54), 4 states have call predecessors, (54), 4 states have call successors, (54) [2023-11-29 04:54:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 657 transitions. [2023-11-29 04:54:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 04:54:23,935 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:54:23,935 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:23,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 04:54:24,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:54:24,140 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:54:24,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:54:24,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1706141507, now seen corresponding path program 1 times [2023-11-29 04:54:24,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:54:24,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168379049] [2023-11-29 04:54:24,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:24,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:54:24,164 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:54:24,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743983255] [2023-11-29 04:54:24,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:24,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:54:24,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:54:24,165 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:54:24,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 04:54:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:24,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-29 04:54:24,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:54:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 276 proven. 198 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2023-11-29 04:54:25,940 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:55:08,431 WARN L293 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:55:42,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:55:42,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168379049] [2023-11-29 04:55:42,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 04:55:42,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743983255] [2023-11-29 04:55:42,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743983255] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 04:55:42,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 04:55:42,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2023-11-29 04:55:42,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066249984] [2023-11-29 04:55:42,477 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 04:55:42,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-29 04:55:42,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:55:42,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-29 04:55:42,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=480, Unknown=1, NotChecked=0, Total=650 [2023-11-29 04:55:42,478 INFO L87 Difference]: Start difference. First operand 498 states and 657 transitions. Second operand has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 15 states have internal predecessors, (57), 4 states have call successors, (27), 4 states have call predecessors, (27), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2023-11-29 04:55:44,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:55:44,469 INFO L93 Difference]: Finished difference Result 919 states and 1204 transitions. [2023-11-29 04:55:44,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-29 04:55:44,470 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 15 states have internal predecessors, (57), 4 states have call successors, (27), 4 states have call predecessors, (27), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 177 [2023-11-29 04:55:44,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:55:44,474 INFO L225 Difference]: With dead ends: 919 [2023-11-29 04:55:44,474 INFO L226 Difference]: Without dead ends: 517 [2023-11-29 04:55:44,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 42.3s TimeCoverageRelationStatistics Valid=301, Invalid=820, Unknown=1, NotChecked=0, Total=1122 [2023-11-29 04:55:44,476 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 108 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 04:55:44,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 568 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 04:55:44,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2023-11-29 04:55:44,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 498. [2023-11-29 04:55:44,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 339 states have (on average 1.2359882005899705) internal successors, (419), 342 states have internal predecessors, (419), 118 states have call successors, (118), 40 states have call predecessors, (118), 40 states have return successors, (118), 115 states have call predecessors, (118), 118 states have call successors, (118) [2023-11-29 04:55:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 655 transitions. [2023-11-29 04:55:44,516 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 655 transitions. Word has length 177 [2023-11-29 04:55:44,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:55:44,516 INFO L495 AbstractCegarLoop]: Abstraction has 498 states and 655 transitions. [2023-11-29 04:55:44,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.3529411764705883) internal successors, (57), 15 states have internal predecessors, (57), 4 states have call successors, (27), 4 states have call predecessors, (27), 5 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2023-11-29 04:55:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 655 transitions. [2023-11-29 04:55:44,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-29 04:55:44,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:55:44,518 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:44,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 04:55:44,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:55:44,718 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:55:44,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:44,719 INFO L85 PathProgramCache]: Analyzing trace with hash 900992258, now seen corresponding path program 1 times [2023-11-29 04:55:44,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:55:44,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706997065] [2023-11-29 04:55:44,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:44,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:55:44,738 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 04:55:44,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [253195111] [2023-11-29 04:55:44,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:44,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:55:44,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:55:44,739 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 04:55:44,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 04:55:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:55:45,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:55:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:55:45,423 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:55:45,423 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:55:45,425 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:55:45,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-29 04:55:45,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:55:45,629 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:55:45,632 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:55:45,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 04:55:45,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 04:55:45,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:55:45 BoogieIcfgContainer [2023-11-29 04:55:45,757 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:55:45,758 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:55:45,758 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:55:45,758 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:55:45,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:49:37" (3/4) ... [2023-11-29 04:55:45,760 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:55:45,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:55:45,761 INFO L158 Benchmark]: Toolchain (without parser) took 369778.50ms. Allocated memory was 172.0MB in the beginning and 264.2MB in the end (delta: 92.3MB). Free memory was 127.4MB in the beginning and 218.6MB in the end (delta: -91.2MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-29 04:55:45,761 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:55:45,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.44ms. Allocated memory is still 172.0MB. Free memory was 127.0MB in the beginning and 111.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 04:55:45,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.19ms. Allocated memory is still 172.0MB. Free memory was 111.4MB in the beginning and 106.4MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:55:45,762 INFO L158 Benchmark]: Boogie Preprocessor took 73.47ms. Allocated memory is still 172.0MB. Free memory was 106.4MB in the beginning and 98.8MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 04:55:45,762 INFO L158 Benchmark]: RCFGBuilder took 605.60ms. Allocated memory is still 172.0MB. Free memory was 98.8MB in the beginning and 112.0MB in the end (delta: -13.1MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-29 04:55:45,763 INFO L158 Benchmark]: TraceAbstraction took 368680.89ms. Allocated memory was 172.0MB in the beginning and 264.2MB in the end (delta: 92.3MB). Free memory was 112.0MB in the beginning and 218.6MB in the end (delta: -106.7MB). Peak memory consumption was 131.3MB. Max. memory is 16.1GB. [2023-11-29 04:55:45,763 INFO L158 Benchmark]: Witness Printer took 2.72ms. Allocated memory is still 264.2MB. Free memory is still 218.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:55:45,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 54.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.44ms. Allocated memory is still 172.0MB. Free memory was 127.0MB in the beginning and 111.4MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.19ms. Allocated memory is still 172.0MB. Free memory was 111.4MB in the beginning and 106.4MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.47ms. Allocated memory is still 172.0MB. Free memory was 106.4MB in the beginning and 98.8MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 605.60ms. Allocated memory is still 172.0MB. Free memory was 98.8MB in the beginning and 112.0MB in the end (delta: -13.1MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * TraceAbstraction took 368680.89ms. Allocated memory was 172.0MB in the beginning and 264.2MB in the end (delta: 92.3MB). Free memory was 112.0MB in the beginning and 218.6MB in the end (delta: -106.7MB). Peak memory consumption was 131.3MB. Max. memory is 16.1GB. * Witness Printer took 2.72ms. Allocated memory is still 264.2MB. Free memory is still 218.6MB. 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~nondet5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 198, overapproximation of bitwiseOr at line 70. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned char var_1_4 = 25; [L24] unsigned short int var_1_5 = 0; [L25] unsigned short int var_1_6 = 62100; [L26] unsigned short int var_1_7 = 27651; [L27] double var_1_8 = 128.9; [L28] double var_1_10 = 16.5; [L29] double var_1_11 = 25.5; [L30] double var_1_12 = 199.75; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_15 = 1; [L34] unsigned char var_1_16 = 1; [L35] unsigned short int var_1_17 = 32; [L36] unsigned char var_1_18 = 1; [L37] unsigned long int var_1_19 = 1; [L38] unsigned short int var_1_20 = 25; [L39] signed long int var_1_24 = -25; [L40] signed short int var_1_25 = -100; [L41] unsigned long int var_1_26 = 4; [L42] unsigned char var_1_28 = 1; [L43] unsigned char var_1_29 = 1; [L44] unsigned long int var_1_30 = 0; [L45] unsigned char var_1_31 = 64; [L46] unsigned char var_1_33 = 128; [L47] unsigned char var_1_34 = 100; [L48] unsigned char var_1_35 = 4; [L49] unsigned char var_1_36 = 1; [L50] unsigned short int last_1_var_1_5 = 0; [L51] unsigned char last_1_var_1_15 = 1; [L52] unsigned char last_1_var_1_18 = 1; [L53] unsigned long int last_1_var_1_19 = 1; [L202] isInitial = 1 [L203] FCALL initially() [L204] COND TRUE 1 [L205] CALL updateLastVariables() [L192] last_1_var_1_5 = var_1_5 [L193] last_1_var_1_15 = var_1_15 [L194] last_1_var_1_18 = var_1_18 [L195] last_1_var_1_19 = var_1_19 [L205] RET updateLastVariables() [L206] CALL updateVariables() [L149] var_1_4 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L150] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L151] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L151] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L152] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L152] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L153] var_1_6 = __VERIFIER_nondet_ushort() [L154] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=27651, var_1_8=1289/10] [L154] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=27651, var_1_8=1289/10] [L155] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=27651, var_1_8=1289/10] [L155] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=27651, var_1_8=1289/10] [L156] var_1_7 = __VERIFIER_nondet_ushort() [L157] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L157] RET assume_abort_if_not(var_1_7 >= 16383) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L158] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L158] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L159] var_1_10 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L160] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L161] var_1_11 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L162] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L163] var_1_12 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L164] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L165] var_1_14 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L166] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L167] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L167] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L168] var_1_16 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L169] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L170] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L170] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=4, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L171] var_1_26 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L172] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L173] CALL assume_abort_if_not(var_1_26 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L173] RET assume_abort_if_not(var_1_26 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L174] CALL assume_abort_if_not(var_1_26 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L174] RET assume_abort_if_not(var_1_26 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L175] var_1_29 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L176] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L177] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L177] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=128, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L178] var_1_33 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_33 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L179] RET assume_abort_if_not(var_1_33 >= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L180] CALL assume_abort_if_not(var_1_33 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L180] RET assume_abort_if_not(var_1_33 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=100, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L181] var_1_34 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_34 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L182] RET assume_abort_if_not(var_1_34 >= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L183] CALL assume_abort_if_not(var_1_34 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L183] RET assume_abort_if_not(var_1_34 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=4, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L184] var_1_35 = __VERIFIER_nondet_uchar() [L185] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L185] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L186] CALL assume_abort_if_not(var_1_35 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L186] RET assume_abort_if_not(var_1_35 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=1, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L187] var_1_36 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L188] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L189] CALL assume_abort_if_not(var_1_36 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L189] RET assume_abort_if_not(var_1_36 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L206] RET updateVariables() [L207] CALL step() [L57] COND TRUE var_1_8 == var_1_8 [L58] var_1_20 = ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=2, var_1_24=-25, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L60] COND TRUE ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) > ((((128.5f) < (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (128.5f) : (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))))) [L61] var_1_24 = ((((var_1_13) > (var_1_13)) ? (var_1_13) : (var_1_13))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=2, var_1_24=2, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L63] EXPR var_1_13 | var_1_1 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=2, var_1_24=2, var_1_25=-100, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L63] COND TRUE (var_1_1 / var_1_26) < (var_1_13 | var_1_1) [L64] COND TRUE (- var_1_8) >= 256.75f [L65] var_1_25 = var_1_13 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L70] EXPR var_1_19 ^ (~ var_1_1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L70] COND FALSE !((var_1_19 ^ (~ var_1_1)) >= var_1_17) [L73] COND FALSE !(var_1_17 < var_1_13) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=64, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L78] COND FALSE !(var_1_26 < ((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))) [L93] var_1_31 = var_1_36 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L95] unsigned char stepLocal_3 = last_1_var_1_19 < var_1_6; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L96] COND TRUE \read(last_1_var_1_18) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=1289/10] [L97] COND TRUE (! last_1_var_1_15) || stepLocal_3 [L98] var_1_8 = ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=509/4] [L105] COND TRUE var_1_12 != var_1_8 [L106] var_1_15 = (! var_1_16) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=509/4] [L110] var_1_17 = var_1_4 [L111] var_1_18 = var_1_16 [L112] var_1_19 = var_1_4 [L113] unsigned short int stepLocal_1 = var_1_17; [L114] unsigned char stepLocal_0 = var_1_17 != (16 / var_1_4); VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=255, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=1, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=509/4] [L115] COND FALSE !(stepLocal_0 && var_1_15) [L126] var_1_1 = var_1_17 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=255, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=255, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=509/4] [L128] unsigned short int stepLocal_2 = var_1_17; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=255, stepLocal_2=255, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=255, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=509/4] [L129] COND FALSE !(stepLocal_2 < last_1_var_1_5) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=255, stepLocal_2=255, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=255, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=0, var_1_6=65534, var_1_7=32766, var_1_8=509/4] [L132] COND TRUE ! var_1_15 [L133] var_1_5 = ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=255, stepLocal_2=255, stepLocal_3=1, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=255, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=33021, var_1_6=65534, var_1_7=32766, var_1_8=509/4] [L136] unsigned short int stepLocal_5 = var_1_6; [L137] unsigned short int stepLocal_4 = var_1_5; VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=255, stepLocal_2=255, stepLocal_3=1, stepLocal_4=33021, stepLocal_5=65534, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=255, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=33021, var_1_6=65534, var_1_7=32766, var_1_8=509/4] [L138] COND TRUE stepLocal_4 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19)))) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=255, stepLocal_2=255, stepLocal_3=1, stepLocal_4=33021, stepLocal_5=65534, var_1_10=0, var_1_13=2, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=255, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=33021, var_1_6=65534, var_1_7=32766, var_1_8=509/4] [L139] COND TRUE var_1_5 <= stepLocal_5 [L140] var_1_13 = 32 VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=255, stepLocal_2=255, stepLocal_3=1, stepLocal_4=33021, stepLocal_5=65534, var_1_10=0, var_1_13=32, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=255, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=33021, var_1_6=65534, var_1_7=32766, var_1_8=509/4] [L207] RET step() [L208] CALL, EXPR property() [L198-L199] return (((((((((var_1_17 != (16 / var_1_4)) && var_1_15) ? ((var_1_17 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_17))) : (var_1_15 ? (var_1_1 == ((unsigned short int) var_1_17)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_17))) && ((var_1_17 < last_1_var_1_5) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - last_1_var_1_5)))) : ((! var_1_15) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))))) : 1))) && (last_1_var_1_18 ? (((! last_1_var_1_15) || (last_1_var_1_19 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_5 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))) ? ((var_1_5 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4)) ; [L208] RET, EXPR property() [L208] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=255, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=33021, var_1_6=65534, var_1_7=32766, var_1_8=509/4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=254, var_1_15=0, var_1_16=1, var_1_17=255, var_1_18=1, var_1_19=255, var_1_1=255, var_1_20=2, var_1_24=2, var_1_25=2, var_1_26=2, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=254, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=254, var_1_4=255, var_1_5=33021, var_1_6=65534, var_1_7=32766, var_1_8=509/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 368.5s, OverallIterations: 10, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1501 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1487 mSDsluCounter, 3921 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2751 mSDsCounter, 628 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2291 IncrementalHoareTripleChecker+Invalid, 2919 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 628 mSolverCounterUnsat, 1170 mSDtfsCounter, 2291 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2089 GetRequests, 1965 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 172.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=498occurred in iteration=8, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 421 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 340.9s InterpolantComputationTime, 1920 NumberOfCodeBlocks, 1920 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1738 ConstructedInterpolants, 0 QuantifiedInterpolants, 13431 SizeOfPredicates, 44 NumberOfNonLiveVariables, 3814 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 13458/14040 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 04:55:45,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 5f6d39be06f72af7d16bb75a603102ae57047b9834b57686fb81555f831b4fac --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:55:47,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:55:47,755 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:55:47,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:55:47,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:55:47,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:55:47,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:55:47,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:55:47,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:55:47,799 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:55:47,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:55:47,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:55:47,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:55:47,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:55:47,803 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:55:47,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:55:47,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:55:47,804 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:55:47,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:55:47,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:55:47,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:55:47,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:55:47,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:55:47,808 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:55:47,808 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:55:47,809 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:55:47,809 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:55:47,809 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:55:47,810 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:55:47,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:55:47,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:55:47,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:55:47,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:55:47,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:55:47,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:55:47,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:55:47,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:55:47,813 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:55:47,813 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:55:47,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:55:47,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:55:47,814 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:55:47,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:55:47,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:55:47,814 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:55:47,815 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_0b08c92a-62ce-492b-914f-6624e3ad48cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f6d39be06f72af7d16bb75a603102ae57047b9834b57686fb81555f831b4fac [2023-11-29 04:55:48,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:55:48,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:55:48,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:55:48,109 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:55:48,110 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:55:48,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i [2023-11-29 04:55:50,968 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:55:51,172 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:55:51,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i [2023-11-29 04:55:51,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/data/0444f0e5d/d5fa15fee69141959dff49cc9b937827/FLAG4c2aae362 [2023-11-29 04:55:51,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/data/0444f0e5d/d5fa15fee69141959dff49cc9b937827 [2023-11-29 04:55:51,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:55:51,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:55:51,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:55:51,206 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:55:51,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:55:51,212 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,213 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f03a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51, skipping insertion in model container [2023-11-29 04:55:51,213 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:55:51,401 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_0b08c92a-62ce-492b-914f-6624e3ad48cf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i[919,932] [2023-11-29 04:55:51,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:55:51,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:55:51,494 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_0b08c92a-62ce-492b-914f-6624e3ad48cf/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i[919,932] [2023-11-29 04:55:51,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:55:51,564 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:55:51,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51 WrapperNode [2023-11-29 04:55:51,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:55:51,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:55:51,565 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:55:51,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:55:51,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,614 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-11-29 04:55:51,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:55:51,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:55:51,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:55:51,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:55:51,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,631 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,646 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 04:55:51,646 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:55:51,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:55:51,673 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:55:51,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:55:51,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (1/1) ... [2023-11-29 04:55:51,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:55:51,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:55:51,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:55:51,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:55:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:55:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:55:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:55:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:55:51,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:55:51,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:55:51,815 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:55:51,817 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:55:52,740 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:55:52,781 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:55:52,782 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:55:52,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:55:52 BoogieIcfgContainer [2023-11-29 04:55:52,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:55:52,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:55:52,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:55:52,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:55:52,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:55:51" (1/3) ... [2023-11-29 04:55:52,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16dbafab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:55:52, skipping insertion in model container [2023-11-29 04:55:52,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:55:51" (2/3) ... [2023-11-29 04:55:52,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16dbafab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:55:52, skipping insertion in model container [2023-11-29 04:55:52,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:55:52" (3/3) ... [2023-11-29 04:55:52,792 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-59.i [2023-11-29 04:55:52,810 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:55:52,811 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:55:52,859 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:55:52,864 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;@36035ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:55:52,865 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:55:52,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 49 states have (on average 1.530612244897959) internal successors, (75), 50 states have internal predecessors, (75), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-29 04:55:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 04:55:52,884 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:55:52,885 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:52,885 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:55:52,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:52,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1699678960, now seen corresponding path program 1 times [2023-11-29 04:55:52,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:55:52,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295456749] [2023-11-29 04:55:52,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:52,903 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 04:55:52,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:55:52,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:55:52,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:55:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:53,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:55:53,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:55:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 712 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2023-11-29 04:55:53,308 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:55:53,309 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:55:53,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295456749] [2023-11-29 04:55:53,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295456749] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:53,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:53,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:55:53,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176277593] [2023-11-29 04:55:53,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:53,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:55:53,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:55:53,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:55:53,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:55:53,360 INFO L87 Difference]: Start difference. First operand has 79 states, 49 states have (on average 1.530612244897959) internal successors, (75), 50 states have internal predecessors, (75), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-29 04:55:53,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:55:53,776 INFO L93 Difference]: Finished difference Result 155 states and 283 transitions. [2023-11-29 04:55:53,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:55:53,790 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 169 [2023-11-29 04:55:53,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:55:53,795 INFO L225 Difference]: With dead ends: 155 [2023-11-29 04:55:53,796 INFO L226 Difference]: Without dead ends: 77 [2023-11-29 04:55:53,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 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 04:55:53,801 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:55:53,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 04:55:53,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-29 04:55:53,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-29 04:55:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 48 states have (on average 1.4375) internal successors, (69), 48 states have internal predecessors, (69), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-29 04:55:53,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 123 transitions. [2023-11-29 04:55:53,837 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 123 transitions. Word has length 169 [2023-11-29 04:55:53,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:55:53,838 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 123 transitions. [2023-11-29 04:55:53,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-29 04:55:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2023-11-29 04:55:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-29 04:55:53,841 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:55:53,841 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:53,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:55:54,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:55:54,042 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:55:54,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:54,043 INFO L85 PathProgramCache]: Analyzing trace with hash 778808794, now seen corresponding path program 1 times [2023-11-29 04:55:54,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:55:54,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482867551] [2023-11-29 04:55:54,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:54,044 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:55:54,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:55:54,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:55:54,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:55:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:54,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:55:54,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:55:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-29 04:55:54,868 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:55:54,868 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:55:54,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482867551] [2023-11-29 04:55:54,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482867551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:54,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:54,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:55:54,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395362721] [2023-11-29 04:55:54,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:54,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:55:54,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:55:54,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:55:54,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:55:54,873 INFO L87 Difference]: Start difference. First operand 77 states and 123 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:55:55,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:55:55,819 INFO L93 Difference]: Finished difference Result 230 states and 368 transitions. [2023-11-29 04:55:55,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:55:55,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2023-11-29 04:55:55,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:55:55,839 INFO L225 Difference]: With dead ends: 230 [2023-11-29 04:55:55,839 INFO L226 Difference]: Without dead ends: 154 [2023-11-29 04:55:55,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:55:55,841 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 85 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 04:55:55,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 353 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 04:55:55,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-29 04:55:55,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 136. [2023-11-29 04:55:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 79 states have (on average 1.379746835443038) internal successors, (109), 79 states have internal predecessors, (109), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-29 04:55:55,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 217 transitions. [2023-11-29 04:55:55,880 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 217 transitions. Word has length 169 [2023-11-29 04:55:55,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:55:55,881 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 217 transitions. [2023-11-29 04:55:55,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:55:55,882 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 217 transitions. [2023-11-29 04:55:55,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-29 04:55:55,886 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:55:55,886 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:55,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:55:56,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:55:56,093 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:55:56,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:56,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1854736189, now seen corresponding path program 1 times [2023-11-29 04:55:56,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:55:56,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381384313] [2023-11-29 04:55:56,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:56,094 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 04:55:56,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:55:56,095 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:55:56,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 04:55:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:56,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:55:56,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:55:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-29 04:55:56,874 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:55:56,875 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:55:56,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381384313] [2023-11-29 04:55:56,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381384313] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:55:56,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:55:56,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:55:56,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384750250] [2023-11-29 04:55:56,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:55:56,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:55:56,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:55:56,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:55:56,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:55:56,878 INFO L87 Difference]: Start difference. First operand 136 states and 217 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:55:58,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:55:58,538 INFO L93 Difference]: Finished difference Result 297 states and 472 transitions. [2023-11-29 04:55:58,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:55:58,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2023-11-29 04:55:58,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:55:58,556 INFO L225 Difference]: With dead ends: 297 [2023-11-29 04:55:58,556 INFO L226 Difference]: Without dead ends: 221 [2023-11-29 04:55:58,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:55:58,558 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 101 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 04:55:58,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 354 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 04:55:58,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-11-29 04:55:58,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 210. [2023-11-29 04:55:58,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 125 states have (on average 1.392) internal successors, (174), 125 states have internal predecessors, (174), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-29 04:55:58,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 336 transitions. [2023-11-29 04:55:58,608 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 336 transitions. Word has length 170 [2023-11-29 04:55:58,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:55:58,610 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 336 transitions. [2023-11-29 04:55:58,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-29 04:55:58,610 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 336 transitions. [2023-11-29 04:55:58,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-29 04:55:58,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:55:58,613 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:55:58,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 04:55:58,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:55:58,823 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:55:58,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:55:58,824 INFO L85 PathProgramCache]: Analyzing trace with hash -14487451, now seen corresponding path program 1 times [2023-11-29 04:55:58,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:55:58,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [635655744] [2023-11-29 04:55:58,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:55:58,825 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 04:55:58,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:55:58,825 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:55:58,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:55:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:55:59,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 04:55:59,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:56:16,623 WARN L293 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:56:28,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 391 proven. 246 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2023-11-29 04:56:28,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:57:22,625 WARN L293 SmtUtils]: Spent 14.83s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:57:29,401 WARN L293 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:57:36,566 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:57:46,580 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:57:46,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [635655744] [2023-11-29 04:57:46,581 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-11-29 04:57:46,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:57:46,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 04:57:46,782 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 43125 column 7: push canceled at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-29 04:57:46,785 INFO L158 Benchmark]: Toolchain (without parser) took 115580.89ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 58.3MB in the beginning and 41.4MB in the end (delta: 16.9MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2023-11-29 04:57:46,785 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:57:46,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.76ms. Allocated memory is still 83.9MB. Free memory was 58.1MB in the beginning and 61.7MB in the end (delta: -3.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 04:57:46,786 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.00ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 59.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:57:46,786 INFO L158 Benchmark]: Boogie Preprocessor took 57.67ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 55.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:57:46,787 INFO L158 Benchmark]: RCFGBuilder took 1109.33ms. Allocated memory is still 83.9MB. Free memory was 55.6MB in the beginning and 54.7MB in the end (delta: 902.0kB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-11-29 04:57:46,787 INFO L158 Benchmark]: TraceAbstraction took 113999.37ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 54.2MB in the beginning and 41.4MB in the end (delta: 12.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-29 04:57:46,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.76ms. Allocated memory is still 83.9MB. Free memory was 58.1MB in the beginning and 61.7MB in the end (delta: -3.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.00ms. Allocated memory is still 83.9MB. Free memory was 61.7MB in the beginning and 59.1MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.67ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 55.6MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1109.33ms. Allocated memory is still 83.9MB. Free memory was 55.6MB in the beginning and 54.7MB in the end (delta: 902.0kB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * TraceAbstraction took 113999.37ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 54.2MB in the beginning and 41.4MB in the end (delta: 12.8MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 43125 column 7: push canceled de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 43125 column 7: push canceled: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-29 04:57:46,997 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-11-29 04:57:47,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b08c92a-62ce-492b-914f-6624e3ad48cf/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: line 43125 column 7: push canceled