./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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_38e455a7-57fd-4f4d-9720-1f15729a4246/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 909c9504b0868e357efa477d58c1ea468ab6af597996618554c1b51a2983dcf4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:34:51,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:34:51,367 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:34:51,371 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:34:51,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:34:51,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:34:51,399 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:34:51,399 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:34:51,400 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:34:51,400 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:34:51,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:34:51,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:34:51,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:34:51,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:34:51,404 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:34:51,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:34:51,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:34:51,406 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:34:51,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:34:51,407 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:34:51,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:34:51,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:34:51,409 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:34:51,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:34:51,409 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:34:51,410 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:34:51,410 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:34:51,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:34:51,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:34:51,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:34:51,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:34:51,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:34:51,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:34:51,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:34:51,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:34:51,414 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:34:51,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:34:51,414 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:34:51,414 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:34:51,415 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:34:51,415 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:34:51,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:34:51,415 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_38e455a7-57fd-4f4d-9720-1f15729a4246/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909c9504b0868e357efa477d58c1ea468ab6af597996618554c1b51a2983dcf4 [2023-11-29 05:34:51,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:34:51,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:34:51,673 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:34:51,674 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:34:51,674 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:34:51,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i [2023-11-29 05:34:54,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:34:54,766 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:34:54,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i [2023-11-29 05:34:54,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/data/9696fe658/0fca648c91554e65baaf195bf63e2da4/FLAG4ac8d96b1 [2023-11-29 05:34:54,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/data/9696fe658/0fca648c91554e65baaf195bf63e2da4 [2023-11-29 05:34:54,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:34:54,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:34:54,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:34:54,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:34:54,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:34:54,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:34:54" (1/1) ... [2023-11-29 05:34:54,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b4d00a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:54, skipping insertion in model container [2023-11-29 05:34:54,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:34:54" (1/1) ... [2023-11-29 05:34:54,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:34:55,027 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_38e455a7-57fd-4f4d-9720-1f15729a4246/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i[919,932] [2023-11-29 05:34:55,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:34:55,116 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:34:55,130 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_38e455a7-57fd-4f4d-9720-1f15729a4246/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i[919,932] [2023-11-29 05:34:55,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:34:55,184 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:34:55,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55 WrapperNode [2023-11-29 05:34:55,185 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:34:55,186 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:34:55,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:34:55,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:34:55,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (1/1) ... [2023-11-29 05:34:55,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (1/1) ... [2023-11-29 05:34:55,246 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-11-29 05:34:55,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:34:55,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:34:55,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:34:55,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:34:55,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (1/1) ... [2023-11-29 05:34:55,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (1/1) ... [2023-11-29 05:34:55,263 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (1/1) ... [2023-11-29 05:34:55,286 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 05:34:55,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (1/1) ... [2023-11-29 05:34:55,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (1/1) ... [2023-11-29 05:34:55,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (1/1) ... [2023-11-29 05:34:55,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (1/1) ... [2023-11-29 05:34:55,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (1/1) ... [2023-11-29 05:34:55,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (1/1) ... [2023-11-29 05:34:55,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:34:55,327 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:34:55,327 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:34:55,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:34:55,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (1/1) ... [2023-11-29 05:34:55,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:34:55,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:55,355 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:34:55,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:34:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:34:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:34:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:34:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:34:55,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:34:55,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:34:55,491 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:34:55,494 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:34:56,000 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:34:56,037 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:34:56,037 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:34:56,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:34:56 BoogieIcfgContainer [2023-11-29 05:34:56,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:34:56,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:34:56,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:34:56,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:34:56,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:34:54" (1/3) ... [2023-11-29 05:34:56,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf5f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:34:56, skipping insertion in model container [2023-11-29 05:34:56,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:34:55" (2/3) ... [2023-11-29 05:34:56,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf5f2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:34:56, skipping insertion in model container [2023-11-29 05:34:56,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:34:56" (3/3) ... [2023-11-29 05:34:56,048 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i [2023-11-29 05:34:56,067 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:34:56,068 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:34:56,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:34:56,126 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;@3d1b7c77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:34:56,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:34:56,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 61 states have (on average 1.5901639344262295) internal successors, (97), 62 states have internal predecessors, (97), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 05:34:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-29 05:34:56,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:56,150 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:56,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:56,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:56,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1804697792, now seen corresponding path program 1 times [2023-11-29 05:34:56,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:56,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553275850] [2023-11-29 05:34:56,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:56,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:56,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:34:56,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553275850] [2023-11-29 05:34:56,369 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 05:34:56,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276800079] [2023-11-29 05:34:56,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:56,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:34:56,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:56,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:34:56,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:34:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:56,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:34:56,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:56,597 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-11-29 05:34:56,598 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:56,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276800079] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:56,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:56,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:34:56,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146605463] [2023-11-29 05:34:56,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:56,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:34:56,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:34:56,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:34:56,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:34:56,640 INFO L87 Difference]: Start difference. First operand has 84 states, 61 states have (on average 1.5901639344262295) internal successors, (97), 62 states have internal predecessors, (97), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 05:34:56,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:56,684 INFO L93 Difference]: Finished difference Result 165 states and 292 transitions. [2023-11-29 05:34:56,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:34:56,687 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 136 [2023-11-29 05:34:56,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:56,695 INFO L225 Difference]: With dead ends: 165 [2023-11-29 05:34:56,695 INFO L226 Difference]: Without dead ends: 82 [2023-11-29 05:34:56,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 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 05:34:56,703 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 05:34:56,704 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 05:34:56,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-29 05:34:56,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-29 05:34:56,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.5333333333333334) internal successors, (92), 60 states have internal predecessors, (92), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 05:34:56,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 132 transitions. [2023-11-29 05:34:56,752 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 132 transitions. Word has length 136 [2023-11-29 05:34:56,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:56,752 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 132 transitions. [2023-11-29 05:34:56,753 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 05:34:56,753 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 132 transitions. [2023-11-29 05:34:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-29 05:34:56,758 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:56,759 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:56,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:34:56,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:34:56,960 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:56,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:56,961 INFO L85 PathProgramCache]: Analyzing trace with hash 934864764, now seen corresponding path program 1 times [2023-11-29 05:34:56,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:56,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147331901] [2023-11-29 05:34:56,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:56,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:57,029 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:34:57,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [3972276] [2023-11-29 05:34:57,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:57,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:34:57,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:57,031 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:34:57,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:34:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:57,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:34:57,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 05:34:57,596 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:57,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:34:57,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147331901] [2023-11-29 05:34:57,597 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:34:57,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3972276] [2023-11-29 05:34:57,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3972276] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:57,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:57,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:34:57,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458852414] [2023-11-29 05:34:57,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:57,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:34:57,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:34:57,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:34:57,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:34:57,602 INFO L87 Difference]: Start difference. First operand 82 states and 132 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:34:57,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:57,915 INFO L93 Difference]: Finished difference Result 295 states and 474 transitions. [2023-11-29 05:34:57,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:34:57,916 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 136 [2023-11-29 05:34:57,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:57,921 INFO L225 Difference]: With dead ends: 295 [2023-11-29 05:34:57,921 INFO L226 Difference]: Without dead ends: 214 [2023-11-29 05:34:57,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:34:57,924 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 207 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:57,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 398 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:34:57,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-11-29 05:34:57,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 209. [2023-11-29 05:34:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 161 states have (on average 1.5527950310559007) internal successors, (250), 162 states have internal predecessors, (250), 44 states have call successors, (44), 3 states have call predecessors, (44), 3 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 05:34:57,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 338 transitions. [2023-11-29 05:34:57,968 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 338 transitions. Word has length 136 [2023-11-29 05:34:57,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:57,969 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 338 transitions. [2023-11-29 05:34:57,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:34:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 338 transitions. [2023-11-29 05:34:57,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-29 05:34:57,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:57,974 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:57,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:34:58,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:34:58,177 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:58,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:58,178 INFO L85 PathProgramCache]: Analyzing trace with hash 541837754, now seen corresponding path program 1 times [2023-11-29 05:34:58,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:58,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818010855] [2023-11-29 05:34:58,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:58,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:58,226 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:34:58,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1649497538] [2023-11-29 05:34:58,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:58,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:34:58,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:58,228 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:34:58,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:34:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:58,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:34:58,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 243 proven. 9 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2023-11-29 05:34:58,443 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:34:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 48 proven. 9 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 05:34:58,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:34:58,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818010855] [2023-11-29 05:34:58,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:34:58,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649497538] [2023-11-29 05:34:58,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649497538] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:34:58,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:34:58,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 05:34:58,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354126538] [2023-11-29 05:34:58,668 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:34:58,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:34:58,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:34:58,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:34:58,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:34:58,671 INFO L87 Difference]: Start difference. First operand 209 states and 338 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-29 05:34:58,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:58,969 INFO L93 Difference]: Finished difference Result 419 states and 663 transitions. [2023-11-29 05:34:58,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:34:58,970 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 136 [2023-11-29 05:34:58,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:58,976 INFO L225 Difference]: With dead ends: 419 [2023-11-29 05:34:58,976 INFO L226 Difference]: Without dead ends: 211 [2023-11-29 05:34:58,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:34:58,980 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 160 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:58,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 226 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:34:58,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-11-29 05:34:59,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 205. [2023-11-29 05:34:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 155 states have (on average 1.4580645161290322) internal successors, (226), 156 states have internal predecessors, (226), 44 states have call successors, (44), 5 states have call predecessors, (44), 5 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 05:34:59,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 314 transitions. [2023-11-29 05:34:59,025 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 314 transitions. Word has length 136 [2023-11-29 05:34:59,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:59,026 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 314 transitions. [2023-11-29 05:34:59,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-29 05:34:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 314 transitions. [2023-11-29 05:34:59,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-29 05:34:59,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:59,030 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:59,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:34:59,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:34:59,238 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:59,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:59,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1816181192, now seen corresponding path program 1 times [2023-11-29 05:34:59,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:34:59,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471982262] [2023-11-29 05:34:59,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:59,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:34:59,281 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:34:59,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1296275626] [2023-11-29 05:34:59,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:59,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:34:59,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:34:59,283 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:34:59,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:34:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:59,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 05:34:59,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 05:34:59,638 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:59,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:34:59,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471982262] [2023-11-29 05:34:59,639 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:34:59,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296275626] [2023-11-29 05:34:59,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296275626] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:59,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:59,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:34:59,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185340197] [2023-11-29 05:34:59,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:59,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:34:59,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:34:59,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:34:59,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:34:59,642 INFO L87 Difference]: Start difference. First operand 205 states and 314 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:34:59,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:59,862 INFO L93 Difference]: Finished difference Result 556 states and 849 transitions. [2023-11-29 05:34:59,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:34:59,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 137 [2023-11-29 05:34:59,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:59,868 INFO L225 Difference]: With dead ends: 556 [2023-11-29 05:34:59,868 INFO L226 Difference]: Without dead ends: 352 [2023-11-29 05:34:59,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:34:59,870 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 81 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:59,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 409 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:34:59,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2023-11-29 05:34:59,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 251. [2023-11-29 05:34:59,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 178 states have (on average 1.398876404494382) internal successors, (249), 179 states have internal predecessors, (249), 64 states have call successors, (64), 8 states have call predecessors, (64), 8 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-29 05:34:59,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 377 transitions. [2023-11-29 05:34:59,920 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 377 transitions. Word has length 137 [2023-11-29 05:34:59,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:59,921 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 377 transitions. [2023-11-29 05:34:59,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:34:59,922 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 377 transitions. [2023-11-29 05:34:59,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 05:34:59,924 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:59,924 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:59,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 05:35:00,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:35:00,129 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:00,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:00,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1370197907, now seen corresponding path program 1 times [2023-11-29 05:35:00,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:35:00,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328728216] [2023-11-29 05:35:00,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:00,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:35:00,163 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:35:00,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [905481684] [2023-11-29 05:35:00,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:00,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:35:00,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:35:00,165 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:35:00,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:35:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:00,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 05:35:00,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 438 proven. 57 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2023-11-29 05:35:00,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:35:01,248 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 05:35:01,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:35:01,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328728216] [2023-11-29 05:35:01,248 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:35:01,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905481684] [2023-11-29 05:35:01,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905481684] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:35:01,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:35:01,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2023-11-29 05:35:01,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956677069] [2023-11-29 05:35:01,249 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:35:01,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 05:35:01,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:35:01,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 05:35:01,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2023-11-29 05:35:01,252 INFO L87 Difference]: Start difference. First operand 251 states and 377 transitions. Second operand has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 4 states have call successors, (31), 3 states have call predecessors, (31), 6 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2023-11-29 05:35:02,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:02,698 INFO L93 Difference]: Finished difference Result 831 states and 1208 transitions. [2023-11-29 05:35:02,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-29 05:35:02,699 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 4 states have call successors, (31), 3 states have call predecessors, (31), 6 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 138 [2023-11-29 05:35:02,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:02,706 INFO L225 Difference]: With dead ends: 831 [2023-11-29 05:35:02,706 INFO L226 Difference]: Without dead ends: 627 [2023-11-29 05:35:02,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=374, Invalid=1108, Unknown=0, NotChecked=0, Total=1482 [2023-11-29 05:35:02,709 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 293 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:02,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 652 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 05:35:02,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2023-11-29 05:35:02,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 436. [2023-11-29 05:35:02,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 333 states have (on average 1.3243243243243243) internal successors, (441), 337 states have internal predecessors, (441), 84 states have call successors, (84), 18 states have call predecessors, (84), 18 states have return successors, (84), 80 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-29 05:35:02,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 609 transitions. [2023-11-29 05:35:02,793 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 609 transitions. Word has length 138 [2023-11-29 05:35:02,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:02,793 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 609 transitions. [2023-11-29 05:35:02,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 4 states have call successors, (31), 3 states have call predecessors, (31), 6 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2023-11-29 05:35:02,794 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 609 transitions. [2023-11-29 05:35:02,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 05:35:02,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:02,796 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:35:02,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 05:35:02,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:35:02,998 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:02,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:02,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1112032469, now seen corresponding path program 1 times [2023-11-29 05:35:02,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:35:02,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954285990] [2023-11-29 05:35:02,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:02,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:35:03,027 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:35:03,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1609725490] [2023-11-29 05:35:03,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:03,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:35:03,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:35:03,029 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:35:03,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:35:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:35:03,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:35:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:35:03,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:35:03,326 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:35:03,327 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:35:03,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 05:35:03,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:35:03,531 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 05:35:03,534 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:35:03,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 05:35:03,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-29 05:35:03,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short21 could not be translated [2023-11-29 05:35:03,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:35:03 BoogieIcfgContainer [2023-11-29 05:35:03,639 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:35:03,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:35:03,640 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:35:03,640 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:35:03,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:34:56" (3/4) ... [2023-11-29 05:35:03,643 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:35:03,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:35:03,645 INFO L158 Benchmark]: Toolchain (without parser) took 8841.68ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 133.7MB in the beginning and 112.4MB in the end (delta: 21.2MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2023-11-29 05:35:03,645 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:35:03,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.42ms. Allocated memory is still 163.6MB. Free memory was 133.7MB in the beginning and 118.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 05:35:03,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.00ms. Allocated memory is still 163.6MB. Free memory was 118.5MB in the beginning and 113.8MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:35:03,646 INFO L158 Benchmark]: Boogie Preprocessor took 78.49ms. Allocated memory is still 163.6MB. Free memory was 113.8MB in the beginning and 108.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:35:03,646 INFO L158 Benchmark]: RCFGBuilder took 711.16ms. Allocated memory is still 163.6MB. Free memory was 108.0MB in the beginning and 122.8MB in the end (delta: -14.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-11-29 05:35:03,646 INFO L158 Benchmark]: TraceAbstraction took 7598.56ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 122.6MB in the beginning and 113.5MB in the end (delta: 9.1MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-11-29 05:35:03,647 INFO L158 Benchmark]: Witness Printer took 4.04ms. Allocated memory is still 197.1MB. Free memory was 113.5MB in the beginning and 112.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:35:03,649 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 58.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.42ms. Allocated memory is still 163.6MB. Free memory was 133.7MB in the beginning and 118.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.00ms. Allocated memory is still 163.6MB. Free memory was 118.5MB in the beginning and 113.8MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.49ms. Allocated memory is still 163.6MB. Free memory was 113.8MB in the beginning and 108.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 711.16ms. Allocated memory is still 163.6MB. Free memory was 108.0MB in the beginning and 122.8MB in the end (delta: -14.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * TraceAbstraction took 7598.56ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 122.6MB in the beginning and 113.5MB in the end (delta: 9.1MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 4.04ms. Allocated memory is still 197.1MB. Free memory was 113.5MB in the beginning and 112.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short21 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 173. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 7.3; [L32] double var_1_12 = 1.25; [L33] double var_1_13 = 128.8; [L34] signed char var_1_14 = -1; [L35] signed char var_1_15 = 10; [L36] signed short int var_1_16 = 8; [L37] unsigned long int var_1_18 = 128; [L38] unsigned long int var_1_19 = 3963666122; [L39] float var_1_20 = 15.875; [L40] signed short int var_1_23 = -10; [L41] unsigned long int var_1_30 = 1000000000; [L42] float var_1_33 = 99.25; [L43] signed long int var_1_34 = 10; [L44] unsigned char var_1_35 = 16; [L45] signed long int var_1_39 = -128; [L46] signed long int var_1_40 = 1792665454; [L47] unsigned char last_1_var_1_8 = 1; [L48] signed char last_1_var_1_14 = -1; [L177] isInitial = 1 [L178] FCALL initially() [L179] COND TRUE 1 [L180] CALL updateLastVariables() [L169] last_1_var_1_8 = var_1_8 [L170] last_1_var_1_14 = var_1_14 [L180] RET updateLastVariables() [L181] CALL updateVariables() [L136] var_1_2 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L137] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L138] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L138] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L139] var_1_3 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L140] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L141] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L141] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L142] var_1_4 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L143] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L144] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L144] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L145] var_1_7 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_8=1, var_1_9=0] [L146] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_8=1, var_1_9=0] [L147] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L147] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=0] [L148] var_1_9 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L149] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L150] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L150] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L151] var_1_10 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L152] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L153] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L153] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L154] var_1_12 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L155] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L156] var_1_13 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L157] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L158] var_1_15 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L159] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L160] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L160] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L161] var_1_19 = __VERIFIER_nondet_ulong() [L162] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L162] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L163] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L164] var_1_40 = __VERIFIER_nondet_long() [L165] CALL assume_abort_if_not(var_1_40 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L165] RET assume_abort_if_not(var_1_40 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_40 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L166] RET assume_abort_if_not(var_1_40 <= 2147483646) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L181] RET updateVariables() [L182] CALL step() [L52] unsigned char stepLocal_0 = last_1_var_1_8; VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L53] COND TRUE stepLocal_0 && last_1_var_1_8 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=4, var_1_7=1, var_1_8=1, var_1_9=1] [L54] COND TRUE \read(last_1_var_1_8) [L55] var_1_5 = (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=1, var_1_9=1] [L60] COND FALSE !(var_1_5 < var_1_3) [L63] var_1_8 = (! var_1_10) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L65] COND TRUE \read(var_1_7) [L66] var_1_34 = ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=0, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L68] EXPR var_1_4 >> var_1_4 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=0, var_1_35=16, var_1_39=-128, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L68] COND FALSE !(var_1_4 > (var_1_4 >> var_1_4)) [L75] var_1_39 = var_1_4 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=0, var_1_35=16, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L77] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=0, var_1_35=16, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L78] COND TRUE 128u <= var_1_19 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_20=127/8, var_1_23=-10, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=0, var_1_35=16, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L79] COND FALSE !((var_1_12 >= var_1_12) && ((var_1_19 * var_1_15) < ((((var_1_1) < (var_1_19)) ? (var_1_1) : (var_1_19))))) [L90] var_1_23 = 5 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_20=127/8, var_1_23=5, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=0, var_1_35=16, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L93] COND FALSE !((64.4f + 1.5f) <= var_1_13) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_20=127/8, var_1_23=5, var_1_2=0, var_1_30=1000000000, var_1_33=397/4, var_1_34=0, var_1_35=16, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L98] COND TRUE var_1_1 >= var_1_14 [L99] var_1_30 = (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) - var_1_2) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_20=127/8, var_1_23=5, var_1_2=0, var_1_30=4294967294, var_1_33=397/4, var_1_34=0, var_1_35=16, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L101] COND TRUE var_1_19 > var_1_3 [L102] var_1_35 = var_1_4 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_20=127/8, var_1_23=5, var_1_2=0, var_1_30=4294967294, var_1_33=397/4, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L110] unsigned char stepLocal_3 = var_1_9 && var_1_8; VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, stepLocal_3=0, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=4294967294, var_1_1=50, var_1_20=127/8, var_1_23=5, var_1_2=0, var_1_30=4294967294, var_1_33=397/4, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L111] COND FALSE !(stepLocal_3 || (var_1_8 && var_1_10)) [L114] var_1_18 = var_1_2 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, stepLocal_3=0, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=4294967294, var_1_1=50, var_1_20=127/8, var_1_23=5, var_1_2=0, var_1_30=4294967294, var_1_33=397/4, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L116] var_1_20 = ((((var_1_13) < (var_1_13)) ? (var_1_13) : (var_1_13))) [L117] signed long int stepLocal_1 = 8 + var_1_14; VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, stepLocal_1=7, stepLocal_3=0, var_1_10=1, var_1_11=73/10, var_1_13=2, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=4294967294, var_1_1=50, var_1_20=2, var_1_23=5, var_1_2=0, var_1_30=4294967294, var_1_33=397/4, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L118] COND FALSE !(var_1_4 == stepLocal_1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, stepLocal_1=7, stepLocal_3=0, var_1_10=1, var_1_11=73/10, var_1_13=2, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=4294967294, var_1_1=50, var_1_20=2, var_1_23=5, var_1_2=0, var_1_30=4294967294, var_1_33=397/4, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L121] var_1_33 = var_1_12 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, stepLocal_1=7, stepLocal_3=0, var_1_10=1, var_1_11=73/10, var_1_12=3, var_1_13=2, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=4294967294, var_1_1=50, var_1_20=2, var_1_23=5, var_1_2=0, var_1_30=4294967294, var_1_33=3, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L122] EXPR var_1_15 & var_1_1 VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, stepLocal_1=7, stepLocal_3=0, var_1_10=1, var_1_11=73/10, var_1_12=3, var_1_13=2, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=4294967294, var_1_1=50, var_1_20=2, var_1_23=5, var_1_2=0, var_1_30=4294967294, var_1_33=3, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L122] unsigned long int stepLocal_2 = var_1_18 * (var_1_15 & var_1_1); [L123] COND FALSE !(var_1_12 >= 9.6) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, stepLocal_0=1, stepLocal_1=7, stepLocal_2=0, stepLocal_3=0, var_1_10=1, var_1_11=73/10, var_1_12=3, var_1_13=2, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=4294967294, var_1_1=50, var_1_20=2, var_1_23=5, var_1_2=0, var_1_30=4294967294, var_1_33=3, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L182] RET step() [L183] CALL, EXPR property() [L173] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=3, var_1_13=2, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=4294967294, var_1_1=50, var_1_20=2, var_1_23=5, var_1_2=0, var_1_30=4294967294, var_1_33=3, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L173-L174] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_8) || (var_1_8 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L183] RET, EXPR property() [L183] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=3, var_1_13=2, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=4294967294, var_1_1=50, var_1_20=2, var_1_23=5, var_1_2=0, var_1_30=4294967294, var_1_33=3, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=3, var_1_13=2, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=0, var_1_19=4294967294, var_1_1=50, var_1_20=2, var_1_23=5, var_1_2=0, var_1_30=4294967294, var_1_33=3, var_1_34=0, var_1_35=0, var_1_39=0, var_1_3=1, var_1_40=2147483646, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 6, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 774 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 741 mSDsluCounter, 1814 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1255 mSDsCounter, 212 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1149 IncrementalHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 212 mSolverCounterUnsat, 559 mSDtfsCounter, 1149 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 982 GetRequests, 926 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=436occurred in iteration=5, InterpolantAutomatonStates: 53, 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, 5 MinimizatonAttempts, 303 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 950 ConstructedInterpolants, 0 QuantifiedInterpolants, 3153 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1676 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 5218/5320 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 05:35:03,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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_38e455a7-57fd-4f4d-9720-1f15729a4246/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 909c9504b0868e357efa477d58c1ea468ab6af597996618554c1b51a2983dcf4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:35:05,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:35:05,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 05:35:05,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:35:05,785 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:35:05,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:35:05,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:35:05,818 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:35:05,819 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:35:05,819 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:35:05,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:35:05,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:35:05,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:35:05,822 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:35:05,823 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:35:05,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:35:05,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:35:05,825 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:35:05,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:35:05,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:35:05,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:35:05,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:35:05,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:35:05,828 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:35:05,828 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:35:05,829 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:35:05,829 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:35:05,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:35:05,830 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:35:05,830 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:35:05,831 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:35:05,831 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:35:05,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:35:05,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:35:05,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:35:05,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:35:05,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:35:05,833 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:35:05,833 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:35:05,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:35:05,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:35:05,834 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:35:05,834 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:35:05,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:35:05,835 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:35:05,835 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_38e455a7-57fd-4f4d-9720-1f15729a4246/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909c9504b0868e357efa477d58c1ea468ab6af597996618554c1b51a2983dcf4 [2023-11-29 05:35:06,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:35:06,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:35:06,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:35:06,168 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:35:06,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:35:06,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i [2023-11-29 05:35:09,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:35:09,397 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:35:09,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i [2023-11-29 05:35:09,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/data/a9b9ef96a/75f5672840d04cfa93c49df100393f96/FLAG07d9e55df [2023-11-29 05:35:09,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/data/a9b9ef96a/75f5672840d04cfa93c49df100393f96 [2023-11-29 05:35:09,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:35:09,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:35:09,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:35:09,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:35:09,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:35:09,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551e8e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09, skipping insertion in model container [2023-11-29 05:35:09,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,476 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:35:09,618 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_38e455a7-57fd-4f4d-9720-1f15729a4246/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i[919,932] [2023-11-29 05:35:09,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:35:09,712 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:35:09,725 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_38e455a7-57fd-4f4d-9720-1f15729a4246/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i[919,932] [2023-11-29 05:35:09,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:35:09,812 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:35:09,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09 WrapperNode [2023-11-29 05:35:09,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:35:09,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:35:09,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:35:09,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:35:09,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,894 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-11-29 05:35:09,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:35:09,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:35:09,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:35:09,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:35:09,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,915 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,932 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 05:35:09,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:35:09,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:35:09,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:35:09,965 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:35:09,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (1/1) ... [2023-11-29 05:35:09,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:35:09,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:35:10,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:35:10,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:35:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:35:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:35:10,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:35:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:35:10,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:35:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:35:10,138 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:35:10,141 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:35:11,389 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:35:11,453 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:35:11,453 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:35:11,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:35:11 BoogieIcfgContainer [2023-11-29 05:35:11,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:35:11,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:35:11,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:35:11,460 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:35:11,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:35:09" (1/3) ... [2023-11-29 05:35:11,461 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fae119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:35:11, skipping insertion in model container [2023-11-29 05:35:11,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:35:09" (2/3) ... [2023-11-29 05:35:11,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fae119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:35:11, skipping insertion in model container [2023-11-29 05:35:11,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:35:11" (3/3) ... [2023-11-29 05:35:11,464 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-17.i [2023-11-29 05:35:11,485 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:35:11,485 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:35:11,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:35:11,546 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;@6b37f63a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:35:11,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:35:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 46 states have (on average 1.565217391304348) internal successors, (72), 47 states have internal predecessors, (72), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 05:35:11,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 05:35:11,568 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:11,569 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:35:11,570 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:11,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:11,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1965276462, now seen corresponding path program 1 times [2023-11-29 05:35:11,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:11,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730483153] [2023-11-29 05:35:11,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:11,591 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 05:35:11,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:11,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:11,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:11,901 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:35:11,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2023-11-29 05:35:11,972 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:35:11,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:35:11,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730483153] [2023-11-29 05:35:11,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730483153] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:35:11,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:35:11,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:35:11,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287604447] [2023-11-29 05:35:11,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:35:11,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:35:11,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:35:12,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:35:12,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:35:12,017 INFO L87 Difference]: Start difference. First operand has 69 states, 46 states have (on average 1.565217391304348) internal successors, (72), 47 states have internal predecessors, (72), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 05:35:12,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:12,355 INFO L93 Difference]: Finished difference Result 135 states and 242 transitions. [2023-11-29 05:35:12,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:35:12,367 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 131 [2023-11-29 05:35:12,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:12,376 INFO L225 Difference]: With dead ends: 135 [2023-11-29 05:35:12,376 INFO L226 Difference]: Without dead ends: 67 [2023-11-29 05:35:12,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 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 05:35:12,383 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:12,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:35:12,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2023-11-29 05:35:12,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2023-11-29 05:35:12,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 45 states have (on average 1.488888888888889) internal successors, (67), 45 states have internal predecessors, (67), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 05:35:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 107 transitions. [2023-11-29 05:35:12,432 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 107 transitions. Word has length 131 [2023-11-29 05:35:12,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:12,433 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 107 transitions. [2023-11-29 05:35:12,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-29 05:35:12,434 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 107 transitions. [2023-11-29 05:35:12,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 05:35:12,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:12,439 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:35:12,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:12,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:12,640 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:12,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:12,641 INFO L85 PathProgramCache]: Analyzing trace with hash 839427350, now seen corresponding path program 1 times [2023-11-29 05:35:12,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:12,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284968035] [2023-11-29 05:35:12,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:12,643 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 05:35:12,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:12,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:12,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:12,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:35:12,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 05:35:13,370 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:35:13,370 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:35:13,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [284968035] [2023-11-29 05:35:13,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [284968035] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:35:13,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:35:13,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:35:13,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328170877] [2023-11-29 05:35:13,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:35:13,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:35:13,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:35:13,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:35:13,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:35:13,376 INFO L87 Difference]: Start difference. First operand 67 states and 107 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:35:14,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:14,232 INFO L93 Difference]: Finished difference Result 200 states and 320 transitions. [2023-11-29 05:35:14,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:35:14,240 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 131 [2023-11-29 05:35:14,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:14,243 INFO L225 Difference]: With dead ends: 200 [2023-11-29 05:35:14,243 INFO L226 Difference]: Without dead ends: 134 [2023-11-29 05:35:14,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:35:14,245 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 66 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:14,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 353 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 05:35:14,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-29 05:35:14,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 105. [2023-11-29 05:35:14,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 62 states have internal predecessors, (84), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 05:35:14,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 164 transitions. [2023-11-29 05:35:14,271 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 164 transitions. Word has length 131 [2023-11-29 05:35:14,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:14,272 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 164 transitions. [2023-11-29 05:35:14,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:35:14,273 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 164 transitions. [2023-11-29 05:35:14,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 05:35:14,276 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:14,277 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:35:14,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:14,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:14,478 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:14,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:14,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1553771399, now seen corresponding path program 1 times [2023-11-29 05:35:14,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:14,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247740681] [2023-11-29 05:35:14,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:14,481 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 05:35:14,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:14,482 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:14,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:14,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:35:14,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 243 proven. 9 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2023-11-29 05:35:14,854 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:35:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 48 proven. 9 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 05:35:15,121 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:35:15,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247740681] [2023-11-29 05:35:15,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1247740681] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:35:15,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:35:15,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 05:35:15,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670658404] [2023-11-29 05:35:15,123 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:35:15,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:35:15,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:35:15,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:35:15,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:35:15,126 INFO L87 Difference]: Start difference. First operand 105 states and 164 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-29 05:35:15,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:15,935 INFO L93 Difference]: Finished difference Result 181 states and 276 transitions. [2023-11-29 05:35:15,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:35:15,946 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 132 [2023-11-29 05:35:15,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:15,949 INFO L225 Difference]: With dead ends: 181 [2023-11-29 05:35:15,950 INFO L226 Difference]: Without dead ends: 115 [2023-11-29 05:35:15,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:35:15,953 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 70 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:15,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 166 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 05:35:15,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-29 05:35:15,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2023-11-29 05:35:15,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 66 states have (on average 1.2727272727272727) internal successors, (84), 66 states have internal predecessors, (84), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 05:35:15,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 164 transitions. [2023-11-29 05:35:15,980 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 164 transitions. Word has length 132 [2023-11-29 05:35:15,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:15,981 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 164 transitions. [2023-11-29 05:35:15,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-29 05:35:15,982 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 164 transitions. [2023-11-29 05:35:15,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 05:35:15,984 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:15,985 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:35:15,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:16,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:16,191 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:16,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:16,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1970671451, now seen corresponding path program 1 times [2023-11-29 05:35:16,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:16,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [765832708] [2023-11-29 05:35:16,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:16,193 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 05:35:16,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:16,194 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:16,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:16,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:35:16,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2023-11-29 05:35:16,750 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:35:17,106 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-29 05:35:17,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:35:17,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [765832708] [2023-11-29 05:35:17,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [765832708] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:35:17,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:35:17,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2023-11-29 05:35:17,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824437017] [2023-11-29 05:35:17,108 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:35:17,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 05:35:17,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:35:17,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 05:35:17,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:35:17,112 INFO L87 Difference]: Start difference. First operand 111 states and 164 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-29 05:35:19,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:19,012 INFO L93 Difference]: Finished difference Result 263 states and 381 transitions. [2023-11-29 05:35:19,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-29 05:35:19,013 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 133 [2023-11-29 05:35:19,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:19,017 INFO L225 Difference]: With dead ends: 263 [2023-11-29 05:35:19,017 INFO L226 Difference]: Without dead ends: 195 [2023-11-29 05:35:19,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2023-11-29 05:35:19,020 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 192 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:19,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 427 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-29 05:35:19,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2023-11-29 05:35:19,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 132. [2023-11-29 05:35:19,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 85 states have (on average 1.2588235294117647) internal successors, (107), 85 states have internal predecessors, (107), 40 states have call successors, (40), 6 states have call predecessors, (40), 6 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-11-29 05:35:19,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 187 transitions. [2023-11-29 05:35:19,057 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 187 transitions. Word has length 133 [2023-11-29 05:35:19,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:19,058 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 187 transitions. [2023-11-29 05:35:19,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-11-29 05:35:19,059 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 187 transitions. [2023-11-29 05:35:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 05:35:19,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:19,062 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:35:19,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:19,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:19,265 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:19,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:19,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1514949219, now seen corresponding path program 1 times [2023-11-29 05:35:19,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:19,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [759241859] [2023-11-29 05:35:19,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:19,268 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 05:35:19,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:19,269 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:19,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 05:35:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:19,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 05:35:19,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 309 proven. 42 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2023-11-29 05:35:20,296 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:35:20,757 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:35:20,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [759241859] [2023-11-29 05:35:20,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [759241859] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:35:20,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [410903097] [2023-11-29 05:35:20,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:20,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:35:20,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:35:20,759 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:35:20,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-29 05:35:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:21,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:35:21,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:21,949 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-29 05:35:21,949 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:35:21,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [410903097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:35:21,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:35:21,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 7 [2023-11-29 05:35:21,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918449683] [2023-11-29 05:35:21,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:35:21,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:35:21,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:35:21,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:35:21,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:35:21,953 INFO L87 Difference]: Start difference. First operand 132 states and 187 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:35:23,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:23,131 INFO L93 Difference]: Finished difference Result 349 states and 495 transitions. [2023-11-29 05:35:23,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:35:23,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2023-11-29 05:35:23,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:23,136 INFO L225 Difference]: With dead ends: 349 [2023-11-29 05:35:23,137 INFO L226 Difference]: Without dead ends: 264 [2023-11-29 05:35:23,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-29 05:35:23,139 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 86 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:23,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 291 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:35:23,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-29 05:35:23,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 259. [2023-11-29 05:35:23,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 183 states have (on average 1.278688524590164) internal successors, (234), 184 states have internal predecessors, (234), 64 states have call successors, (64), 11 states have call predecessors, (64), 11 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2023-11-29 05:35:23,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 362 transitions. [2023-11-29 05:35:23,195 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 362 transitions. Word has length 133 [2023-11-29 05:35:23,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:23,196 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 362 transitions. [2023-11-29 05:35:23,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-29 05:35:23,196 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 362 transitions. [2023-11-29 05:35:23,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 05:35:23,198 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:23,199 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:35:23,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-29 05:35:23,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-29 05:35:23,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 05:35:23,600 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:23,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:23,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1572207521, now seen corresponding path program 1 times [2023-11-29 05:35:23,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:23,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30682159] [2023-11-29 05:35:23,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:23,602 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 05:35:23,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:23,603 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/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 05:35:23,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38e455a7-57fd-4f4d-9720-1f15729a4246/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 05:35:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:23,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 05:35:23,830 INFO L285 TraceCheckSpWp]: Computing forward predicates...