./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX --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 c6953e3e2c891dc327bad9ef4ac79fcd91ec8cfbe2ca26df68844c164258e82e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:19:57,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:19:57,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:19:57,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:19:57,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:19:57,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:19:57,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:19:57,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:19:57,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:19:57,168 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:19:57,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:19:57,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:19:57,170 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:19:57,170 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:19:57,171 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:19:57,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:19:57,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:19:57,172 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:19:57,173 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:19:57,173 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:19:57,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:19:57,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:19:57,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:19:57,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:19:57,176 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:19:57,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:19:57,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:19:57,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:19:57,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:19:57,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:19:57,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:19:57,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:19:57,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:19:57,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:19:57,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:19:57,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:19:57,181 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:19:57,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:19:57,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:19:57,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:19:57,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:19:57,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:19:57,184 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_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6953e3e2c891dc327bad9ef4ac79fcd91ec8cfbe2ca26df68844c164258e82e [2024-11-08 19:19:57,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:19:57,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:19:57,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:19:57,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:19:57,493 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:19:57,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i Unable to find full path for "g++" [2024-11-08 19:19:59,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:19:59,772 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:19:59,772 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i [2024-11-08 19:19:59,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/data/661ade7b9/7e67f2fcad444a00a940905a1d9c9653/FLAG248191636 [2024-11-08 19:19:59,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/data/661ade7b9/7e67f2fcad444a00a940905a1d9c9653 [2024-11-08 19:19:59,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:19:59,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:19:59,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:19:59,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:19:59,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:19:59,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:19:59" (1/1) ... [2024-11-08 19:19:59,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d018a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:19:59, skipping insertion in model container [2024-11-08 19:19:59,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:19:59" (1/1) ... [2024-11-08 19:19:59,841 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:20:00,029 WARN L250 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_27e1a87c-e22e-4893-965b-b6ad5752a88b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i[916,929] [2024-11-08 19:20:00,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:20:00,117 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:20:00,130 WARN L250 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_27e1a87c-e22e-4893-965b-b6ad5752a88b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i[916,929] [2024-11-08 19:20:00,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:20:00,196 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:20:00,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00 WrapperNode [2024-11-08 19:20:00,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:20:00,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:20:00,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:20:00,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:20:00,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (1/1) ... [2024-11-08 19:20:00,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (1/1) ... [2024-11-08 19:20:00,289 INFO L138 Inliner]: procedures = 29, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 479 [2024-11-08 19:20:00,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:20:00,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:20:00,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:20:00,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:20:00,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (1/1) ... [2024-11-08 19:20:00,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (1/1) ... [2024-11-08 19:20:00,317 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (1/1) ... [2024-11-08 19:20:00,346 INFO L175 MemorySlicer]: Split 129 memory accesses to 6 slices as follows [2, 28, 7, 19, 70, 3]. 54 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 4, 1, 2, 2, 1]. The 11 writes are split as follows [0, 4, 1, 3, 2, 1]. [2024-11-08 19:20:00,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (1/1) ... [2024-11-08 19:20:00,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (1/1) ... [2024-11-08 19:20:00,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (1/1) ... [2024-11-08 19:20:00,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (1/1) ... [2024-11-08 19:20:00,389 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (1/1) ... [2024-11-08 19:20:00,396 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (1/1) ... [2024-11-08 19:20:00,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:20:00,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:20:00,413 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:20:00,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:20:00,414 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (1/1) ... [2024-11-08 19:20:00,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:20:00,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:20:00,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:20:00,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:20:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:20:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 19:20:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 19:20:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 19:20:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 19:20:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 19:20:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 19:20:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 19:20:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 19:20:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 19:20:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 19:20:00,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 19:20:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 19:20:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 19:20:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 19:20:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 19:20:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 19:20:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 19:20:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 19:20:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 19:20:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 19:20:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 19:20:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 19:20:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 19:20:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 19:20:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 19:20:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 19:20:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-08 19:20:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-08 19:20:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-08 19:20:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-08 19:20:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:20:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:20:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:20:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 19:20:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 19:20:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 19:20:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 19:20:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 19:20:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:20:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:20:00,666 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:20:00,668 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:20:01,262 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-11-08 19:20:01,263 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:20:01,277 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:20:01,277 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:20:01,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:20:01 BoogieIcfgContainer [2024-11-08 19:20:01,278 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:20:01,281 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:20:01,282 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:20:01,285 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:20:01,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:19:59" (1/3) ... [2024-11-08 19:20:01,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7565b042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:20:01, skipping insertion in model container [2024-11-08 19:20:01,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:00" (2/3) ... [2024-11-08 19:20:01,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7565b042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:20:01, skipping insertion in model container [2024-11-08 19:20:01,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:20:01" (3/3) ... [2024-11-08 19:20:01,289 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-26.i [2024-11-08 19:20:01,309 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:20:01,309 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:20:01,376 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:20:01,383 INFO L333 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, 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;@7b3eeff2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:20:01,383 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:20:01,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:01,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 19:20:01,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:01,401 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:01,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:01,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:01,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1806593298, now seen corresponding path program 1 times [2024-11-08 19:20:01,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:20:01,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887577546] [2024-11-08 19:20:01,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:01,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:20:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:01,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 19:20:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:01,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:20:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:01,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:20:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:01,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:20:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:01,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:20:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:01,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:20:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:01,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:20:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:01,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:20:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:01,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:20:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:01,921 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:20:01,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:20:01,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887577546] [2024-11-08 19:20:01,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887577546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:01,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:01,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:20:01,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533570831] [2024-11-08 19:20:01,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:01,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:20:01,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:20:01,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:20:01,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:20:01,978 INFO L87 Difference]: Start difference. First operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 19:20:02,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:02,028 INFO L93 Difference]: Finished difference Result 179 states and 271 transitions. [2024-11-08 19:20:02,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:20:02,031 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2024-11-08 19:20:02,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:02,042 INFO L225 Difference]: With dead ends: 179 [2024-11-08 19:20:02,043 INFO L226 Difference]: Without dead ends: 89 [2024-11-08 19:20:02,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:20:02,053 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:02,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:20:02,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-08 19:20:02,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-08 19:20:02,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:02,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-11-08 19:20:02,119 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 89 [2024-11-08 19:20:02,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:02,120 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-11-08 19:20:02,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 19:20:02,121 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-11-08 19:20:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 19:20:02,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:02,124 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:02,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:20:02,125 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:02,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:02,126 INFO L85 PathProgramCache]: Analyzing trace with hash -618991228, now seen corresponding path program 1 times [2024-11-08 19:20:02,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:20:02,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134423563] [2024-11-08 19:20:02,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:02,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:20:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:02,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 19:20:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:02,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:20:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:02,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:20:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:02,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:20:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:02,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:20:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:02,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:20:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:02,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:20:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:02,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:20:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:02,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:20:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:02,621 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:20:02,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:20:02,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134423563] [2024-11-08 19:20:02,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134423563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:02,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:02,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:20:02,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726895336] [2024-11-08 19:20:02,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:02,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:20:02,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:20:02,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:20:02,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:20:02,639 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 19:20:02,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:02,726 INFO L93 Difference]: Finished difference Result 177 states and 254 transitions. [2024-11-08 19:20:02,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:20:02,727 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2024-11-08 19:20:02,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:02,729 INFO L225 Difference]: With dead ends: 177 [2024-11-08 19:20:02,729 INFO L226 Difference]: Without dead ends: 91 [2024-11-08 19:20:02,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:20:02,732 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:02,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:20:02,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-08 19:20:02,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-08 19:20:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2024-11-08 19:20:02,760 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 89 [2024-11-08 19:20:02,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:02,762 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2024-11-08 19:20:02,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 19:20:02,762 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2024-11-08 19:20:02,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 19:20:02,768 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:02,769 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:02,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:20:02,769 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:02,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:02,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1941871618, now seen corresponding path program 1 times [2024-11-08 19:20:02,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:20:02,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059071198] [2024-11-08 19:20:02,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:02,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:20:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:03,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 19:20:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:03,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:20:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:20:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:20:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:03,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:20:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:03,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:20:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:03,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:20:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:03,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:20:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:03,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:20:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:20:03,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:20:03,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059071198] [2024-11-08 19:20:03,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059071198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:03,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:03,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:20:03,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800198126] [2024-11-08 19:20:03,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:03,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:20:03,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:20:03,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:20:03,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:20:03,167 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:03,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:03,222 INFO L93 Difference]: Finished difference Result 182 states and 259 transitions. [2024-11-08 19:20:03,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:20:03,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-11-08 19:20:03,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:03,229 INFO L225 Difference]: With dead ends: 182 [2024-11-08 19:20:03,230 INFO L226 Difference]: Without dead ends: 94 [2024-11-08 19:20:03,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:20:03,231 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:03,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 363 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:20:03,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-08 19:20:03,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2024-11-08 19:20:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:03,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 131 transitions. [2024-11-08 19:20:03,245 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 131 transitions. Word has length 89 [2024-11-08 19:20:03,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:03,245 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 131 transitions. [2024-11-08 19:20:03,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 131 transitions. [2024-11-08 19:20:03,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 19:20:03,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:03,248 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:03,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:20:03,248 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:03,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:03,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1943718660, now seen corresponding path program 1 times [2024-11-08 19:20:03,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:20:03,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056699051] [2024-11-08 19:20:03,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:03,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:20:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:04,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 19:20:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:04,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:20:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:04,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:20:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:04,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:20:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:04,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:20:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:04,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:20:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:04,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:20:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:04,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:20:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:04,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:20:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:20:04,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:20:04,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056699051] [2024-11-08 19:20:04,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056699051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:04,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:04,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:20:04,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368277937] [2024-11-08 19:20:04,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:04,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:20:04,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:20:04,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:20:04,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:20:04,087 INFO L87 Difference]: Start difference. First operand 93 states and 131 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 19:20:04,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:04,289 INFO L93 Difference]: Finished difference Result 183 states and 259 transitions. [2024-11-08 19:20:04,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:20:04,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2024-11-08 19:20:04,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:04,301 INFO L225 Difference]: With dead ends: 183 [2024-11-08 19:20:04,301 INFO L226 Difference]: Without dead ends: 93 [2024-11-08 19:20:04,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:20:04,303 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:04,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 281 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:20:04,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-08 19:20:04,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-08 19:20:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:04,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 130 transitions. [2024-11-08 19:20:04,325 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 130 transitions. Word has length 89 [2024-11-08 19:20:04,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:04,325 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 130 transitions. [2024-11-08 19:20:04,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 19:20:04,326 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 130 transitions. [2024-11-08 19:20:04,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 19:20:04,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:04,332 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:04,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:20:04,332 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:04,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:04,333 INFO L85 PathProgramCache]: Analyzing trace with hash 932601410, now seen corresponding path program 1 times [2024-11-08 19:20:04,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:20:04,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902625926] [2024-11-08 19:20:04,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:04,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:20:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:20:04,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2146257775] [2024-11-08 19:20:04,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:04,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:20:04,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:20:04,479 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:20:04,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:20:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:20:05,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:20:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:20:05,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:20:05,639 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:20:05,640 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:20:05,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 19:20:05,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:20:05,846 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 19:20:05,964 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:20:05,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:20:05 BoogieIcfgContainer [2024-11-08 19:20:05,971 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:20:05,972 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:20:05,972 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:20:05,972 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:20:05,973 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:20:01" (3/4) ... [2024-11-08 19:20:05,979 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:20:05,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:20:05,981 INFO L158 Benchmark]: Toolchain (without parser) took 6179.99ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 127.5MB in the beginning and 64.6MB in the end (delta: 62.9MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. [2024-11-08 19:20:05,982 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 131.1MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:20:05,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.12ms. Allocated memory is still 161.5MB. Free memory was 127.5MB in the beginning and 110.6MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:20:05,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.05ms. Allocated memory is still 161.5MB. Free memory was 110.0MB in the beginning and 105.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:20:05,983 INFO L158 Benchmark]: Boogie Preprocessor took 122.11ms. Allocated memory is still 161.5MB. Free memory was 105.8MB in the beginning and 100.4MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:20:05,983 INFO L158 Benchmark]: RCFGBuilder took 865.62ms. Allocated memory is still 161.5MB. Free memory was 100.4MB in the beginning and 62.4MB in the end (delta: 38.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 19:20:05,984 INFO L158 Benchmark]: TraceAbstraction took 4689.99ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 61.8MB in the beginning and 64.6MB in the end (delta: -2.8MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2024-11-08 19:20:05,984 INFO L158 Benchmark]: Witness Printer took 8.63ms. Allocated memory is still 211.8MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:20:05,986 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 131.1MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.12ms. Allocated memory is still 161.5MB. Free memory was 127.5MB in the beginning and 110.6MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.05ms. Allocated memory is still 161.5MB. Free memory was 110.0MB in the beginning and 105.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.11ms. Allocated memory is still 161.5MB. Free memory was 105.8MB in the beginning and 100.4MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 865.62ms. Allocated memory is still 161.5MB. Free memory was 100.4MB in the beginning and 62.4MB in the end (delta: 38.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4689.99ms. Allocated memory was 161.5MB in the beginning and 211.8MB in the end (delta: 50.3MB). Free memory was 61.8MB in the beginning and 64.6MB in the end (delta: -2.8MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * Witness Printer took 8.63ms. Allocated memory is still 211.8MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryArithmeticFLOAToperation at line 41. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L22-L24] float float_Array_0[2][2] = { {8.75, 199.5}, {1.125, 100000000000000.3} }; [L25-L27] signed long int signed_long_int_Array_0[1] = { -32 }; [L25-L27] signed long int signed_long_int_Array_0[1] = { -32 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { 1, -1 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { 1, -1 }; [L28-L30] signed short int signed_short_int_Array_0[2] = { 1, -1 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 64 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 64 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 64 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 50 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 50 }; [L37] unsigned char last_1_unsigned_char_Array_0_1_ = 64; VAL [float_Array_0={4:0}, isInitial=0, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] isInitial = 1 [L81] FCALL initially() [L82] COND TRUE 1 [L83] CALL updateLastVariables() [L73] EXPR unsigned_char_Array_0[1] [L73] last_1_unsigned_char_Array_0_1_ = unsigned_char_Array_0[1] [L83] RET updateLastVariables() [L84] CALL updateVariables() [L57] float_Array_0[0][1] = __VERIFIER_nondet_float() [L58] EXPR float_Array_0[0][1] [L58] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F [L58] EXPR float_Array_0[0][1] [L58] EXPR float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] EXPR (float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] CALL assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L58] RET assume_abort_if_not((float_Array_0[0][1] >= 0.0F && float_Array_0[0][1] <= -1.0e-20F) || (float_Array_0[0][1] <= 4611686.018427382800e+12F && float_Array_0[0][1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L59] float_Array_0[1][1] = __VERIFIER_nondet_float() [L60] EXPR float_Array_0[1][1] [L60] EXPR float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F [L60] EXPR float_Array_0[1][1] [L60] EXPR float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR (float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 4611686.018427382800e+12F && float_Array_0[1][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] EXPR (float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 4611686.018427382800e+12F && float_Array_0[1][1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] CALL assume_abort_if_not((float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 4611686.018427382800e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L60] RET assume_abort_if_not((float_Array_0[1][1] >= -461168.6018427382800e+13F && float_Array_0[1][1] <= -1.0e-20F) || (float_Array_0[1][1] <= 4611686.018427382800e+12F && float_Array_0[1][1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L61] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L62] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L62] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L62] RET assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L63] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L63] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L63] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L64] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L64] CALL assume_abort_if_not(signed_long_int_Array_0[0] != 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L64] RET assume_abort_if_not(signed_long_int_Array_0[0] != 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L65] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L66] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L66] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32767) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L66] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32767) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L67] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L67] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L67] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L68] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR unsigned_char_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L69] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] EXPR unsigned_char_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L70] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] RET updateVariables() [L85] CALL step() [L41] EXPR float_Array_0[0][1] [L41] EXPR float_Array_0[1][1] [L41] float_Array_0[1][0] = ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1]) [L42] EXPR signed_short_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L42] COND TRUE (- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4)))) [L43] EXPR unsigned_char_Array_0[0] [L43] unsigned_char_Array_0[1] = unsigned_char_Array_0[0] [L45] EXPR float_Array_0[0][1] [L45] float_Array_0[0][0] = float_Array_0[0][1] [L46] EXPR float_Array_0[0][0] [L46] EXPR float_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L46] COND TRUE float_Array_0[0][0] > float_Array_0[0][0] [L47] EXPR unsigned_char_Array_0[1] [L47] EXPR unsigned_char_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L47] EXPR ((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]) [L47] EXPR unsigned_char_Array_0[1] [L47] EXPR ((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L47] signed_short_int_Array_0[1] = ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))) [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR signed_short_int_Array_0[1] [L51] signed long int stepLocal_0 = unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1]); [L52] EXPR unsigned_char_Array_0[1] [L52] EXPR signed_short_int_Array_0[1] [L52] EXPR signed_long_int_Array_0[0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L52] COND FALSE !(stepLocal_0 != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) [L85] RET step() [L86] CALL, EXPR property() [L76] EXPR float_Array_0[0][0] [L76] EXPR float_Array_0[0][0] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))))))) [L76] EXPR signed_short_int_Array_0[1] [L76] EXPR unsigned_char_Array_0[1] [L76] EXPR unsigned_char_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]) [L76] EXPR unsigned_char_Array_0[1] [L76] EXPR ((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))))))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1]))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1]))) [L76] EXPR float_Array_0[1][0] [L76] EXPR float_Array_0[0][1] [L76] EXPR float_Array_0[1][1] [L76] EXPR ((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1]))) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR ((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1)) && (float_Array_0[0][0] == ((float) float_Array_0[0][1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR (((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1)) && (float_Array_0[0][0] == ((float) float_Array_0[0][1])) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76-L77] return (((((float_Array_0[0][0] > float_Array_0[0][0]) ? (signed_short_int_Array_0[1] == ((signed short int) ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : (signed_short_int_Array_0[1] == ((signed short int) (((((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) < ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))) ? ((unsigned_char_Array_0[1] - ((((unsigned_char_Array_0[1]) > (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1]))))) : ((unsigned_char_Array_0[1] + ((((unsigned_char_Array_0[1]) < (unsigned_char_Array_0[1])) ? (unsigned_char_Array_0[1]) : (unsigned_char_Array_0[1])))))))))) && (float_Array_0[1][0] == ((float) ((0.85f - float_Array_0[0][1]) + float_Array_0[1][1])))) && (((- last_1_unsigned_char_Array_0_1_) >= (signed_short_int_Array_0[0] / ((((-4) < 0 ) ? -(-4) : (-4))))) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : 1)) && (((unsigned_char_Array_0[1] + (unsigned_char_Array_0[1] + signed_short_int_Array_0[1])) != (unsigned_char_Array_0[1] * (signed_short_int_Array_0[1] / signed_long_int_Array_0[0]))) ? (unsigned_long_int_Array_0[0] == ((unsigned long int) (((((10u) < ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1]))) ? (10u) : ((signed_short_int_Array_0[1] + unsigned_char_Array_0[1])))) + unsigned_char_Array_0[1]))) : 1)) && (float_Array_0[0][0] == ((float) float_Array_0[0][1])) ; [L86] RET, EXPR property() [L86] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [float_Array_0={4:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=64, signed_long_int_Array_0={5:0}, signed_short_int_Array_0={6:0}, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 5, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 1135 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 634 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 126 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 501 mSDtfsCounter, 126 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 534 NumberOfCodeBlocks, 534 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 576/576 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 [2024-11-08 19:20:06,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX --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 c6953e3e2c891dc327bad9ef4ac79fcd91ec8cfbe2ca26df68844c164258e82e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:20:08,572 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:20:08,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:20:08,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:20:08,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:20:08,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:20:08,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:20:08,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:20:08,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:20:08,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:20:08,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:20:08,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:20:08,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:20:08,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:20:08,683 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:20:08,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:20:08,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:20:08,684 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:20:08,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:20:08,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:20:08,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:20:08,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:20:08,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:20:08,687 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:20:08,688 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:20:08,689 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:20:08,689 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:20:08,689 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:20:08,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:20:08,690 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:20:08,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:20:08,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:20:08,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:20:08,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:20:08,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:20:08,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:20:08,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:20:08,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:20:08,694 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:20:08,695 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:20:08,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:20:08,696 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:20:08,696 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:20:08,707 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:20:08,707 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_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6953e3e2c891dc327bad9ef4ac79fcd91ec8cfbe2ca26df68844c164258e82e [2024-11-08 19:20:09,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:20:09,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:20:09,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:20:09,168 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:20:09,169 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:20:09,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i Unable to find full path for "g++" [2024-11-08 19:20:11,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:20:11,573 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:20:11,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i [2024-11-08 19:20:11,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/data/3b03c687a/f5a638acee684aa19b7966b5e756dbc9/FLAG89236cdbb [2024-11-08 19:20:11,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/data/3b03c687a/f5a638acee684aa19b7966b5e756dbc9 [2024-11-08 19:20:11,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:20:11,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:20:11,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:20:11,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:20:11,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:20:11,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:20:11" (1/1) ... [2024-11-08 19:20:11,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8925215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:11, skipping insertion in model container [2024-11-08 19:20:11,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:20:11" (1/1) ... [2024-11-08 19:20:11,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:20:11,900 WARN L250 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_27e1a87c-e22e-4893-965b-b6ad5752a88b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i[916,929] [2024-11-08 19:20:12,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:20:12,030 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:20:12,046 WARN L250 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_27e1a87c-e22e-4893-965b-b6ad5752a88b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-26.i[916,929] [2024-11-08 19:20:12,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:20:12,166 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:20:12,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12 WrapperNode [2024-11-08 19:20:12,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:20:12,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:20:12,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:20:12,170 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:20:12,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,278 INFO L138 Inliner]: procedures = 36, calls = 154, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 477 [2024-11-08 19:20:12,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:20:12,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:20:12,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:20:12,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:20:12,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,305 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,376 INFO L175 MemorySlicer]: Split 129 memory accesses to 6 slices as follows [2, 28, 7, 19, 70, 3]. 54 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 4, 1, 2, 2, 1]. The 11 writes are split as follows [0, 4, 1, 3, 2, 1]. [2024-11-08 19:20:12,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:20:12,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:20:12,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:20:12,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:20:12,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (1/1) ... [2024-11-08 19:20:12,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:20:12,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:20:12,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:20:12,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:20:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:20:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 19:20:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 19:20:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-08 19:20:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-08 19:20:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-08 19:20:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-08 19:20:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-08 19:20:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-08 19:20:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-08 19:20:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-08 19:20:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-08 19:20:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-08 19:20:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:20:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 19:20:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 19:20:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 19:20:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 19:20:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 19:20:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-08 19:20:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-08 19:20:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-08 19:20:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-08 19:20:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-08 19:20:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-08 19:20:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 19:20:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 19:20:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-08 19:20:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-08 19:20:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-08 19:20:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-08 19:20:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 19:20:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 19:20:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 19:20:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-08 19:20:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-08 19:20:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-08 19:20:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 19:20:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 19:20:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-08 19:20:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-08 19:20:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-08 19:20:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-08 19:20:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 19:20:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 19:20:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-08 19:20:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-08 19:20:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-08 19:20:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-08 19:20:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 19:20:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 19:20:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-08 19:20:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-08 19:20:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-08 19:20:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-08 19:20:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:20:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:20:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:20:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:20:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 19:20:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 19:20:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-08 19:20:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-08 19:20:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-08 19:20:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-08 19:20:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 19:20:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 19:20:12,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-08 19:20:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-08 19:20:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-08 19:20:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-08 19:20:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 19:20:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 19:20:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 19:20:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-08 19:20:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-08 19:20:12,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-08 19:20:12,758 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:20:12,760 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:20:14,562 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-11-08 19:20:14,563 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:20:14,576 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:20:14,576 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:20:14,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:20:14 BoogieIcfgContainer [2024-11-08 19:20:14,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:20:14,579 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:20:14,579 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:20:14,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:20:14,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:20:11" (1/3) ... [2024-11-08 19:20:14,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216a9fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:20:14, skipping insertion in model container [2024-11-08 19:20:14,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:20:12" (2/3) ... [2024-11-08 19:20:14,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216a9fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:20:14, skipping insertion in model container [2024-11-08 19:20:14,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:20:14" (3/3) ... [2024-11-08 19:20:14,585 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-26.i [2024-11-08 19:20:14,604 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:20:14,604 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:20:14,688 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:20:14,697 INFO L333 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, 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;@2ff2feb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:20:14,697 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:20:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:14,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 19:20:14,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:14,721 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:14,723 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:14,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:14,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1806593298, now seen corresponding path program 1 times [2024-11-08 19:20:14,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:20:14,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385261656] [2024-11-08 19:20:14,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:14,747 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 [2024-11-08 19:20:14,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:20:14,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:20:14,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:15,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:20:15,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:15,340 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-08 19:20:15,340 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:20:15,341 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:20:15,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385261656] [2024-11-08 19:20:15,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385261656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:15,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:15,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:20:15,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482367907] [2024-11-08 19:20:15,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:15,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:20:15,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:20:15,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:20:15,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:20:15,383 INFO L87 Difference]: Start difference. First operand has 93 states, 81 states have (on average 1.4320987654320987) internal successors, (116), 82 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:15,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:15,415 INFO L93 Difference]: Finished difference Result 179 states and 271 transitions. [2024-11-08 19:20:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:20:15,419 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-11-08 19:20:15,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:15,427 INFO L225 Difference]: With dead ends: 179 [2024-11-08 19:20:15,428 INFO L226 Difference]: Without dead ends: 89 [2024-11-08 19:20:15,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:20:15,435 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:15,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:20:15,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-08 19:20:15,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-11-08 19:20:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.3974358974358974) internal successors, (109), 78 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:15,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2024-11-08 19:20:15,490 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 89 [2024-11-08 19:20:15,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:15,490 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2024-11-08 19:20:15,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2024-11-08 19:20:15,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 19:20:15,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:15,494 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:15,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:15,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:15,699 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:15,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:15,701 INFO L85 PathProgramCache]: Analyzing trace with hash -618991228, now seen corresponding path program 1 times [2024-11-08 19:20:15,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:20:15,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682794878] [2024-11-08 19:20:15,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:15,702 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 [2024-11-08 19:20:15,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:20:15,705 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:20:15,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:16,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:20:16,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:16,228 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 19:20:16,232 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:20:16,232 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:20:16,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682794878] [2024-11-08 19:20:16,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682794878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:16,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:16,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:20:16,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889385014] [2024-11-08 19:20:16,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:16,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:20:16,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:20:16,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:20:16,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:20:16,240 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 19:20:16,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:16,845 INFO L93 Difference]: Finished difference Result 177 states and 254 transitions. [2024-11-08 19:20:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:20:16,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 89 [2024-11-08 19:20:16,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:16,855 INFO L225 Difference]: With dead ends: 177 [2024-11-08 19:20:16,855 INFO L226 Difference]: Without dead ends: 91 [2024-11-08 19:20:16,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:20:16,857 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:16,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 364 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:20:16,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-08 19:20:16,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-08 19:20:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2024-11-08 19:20:16,869 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 89 [2024-11-08 19:20:16,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:16,871 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2024-11-08 19:20:16,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-08 19:20:16,871 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2024-11-08 19:20:16,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 19:20:16,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:16,875 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:16,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:17,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:17,076 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:17,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:17,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1941871618, now seen corresponding path program 1 times [2024-11-08 19:20:17,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:20:17,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272977670] [2024-11-08 19:20:17,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:17,078 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 [2024-11-08 19:20:17,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:20:17,080 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:20:17,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:17,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:20:17,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:17,590 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:20:17,590 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:20:17,590 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:20:17,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272977670] [2024-11-08 19:20:17,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272977670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:17,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:17,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:20:17,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298187463] [2024-11-08 19:20:17,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:17,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:20:17,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:20:17,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:20:17,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:20:17,594 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:17,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:17,688 INFO L93 Difference]: Finished difference Result 184 states and 262 transitions. [2024-11-08 19:20:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:20:17,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-11-08 19:20:17,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:17,698 INFO L225 Difference]: With dead ends: 184 [2024-11-08 19:20:17,698 INFO L226 Difference]: Without dead ends: 96 [2024-11-08 19:20:17,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:20:17,700 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 1 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:17,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 475 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:20:17,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-08 19:20:17,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-11-08 19:20:17,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:17,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 133 transitions. [2024-11-08 19:20:17,722 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 133 transitions. Word has length 89 [2024-11-08 19:20:17,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:17,722 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 133 transitions. [2024-11-08 19:20:17,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:17,723 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2024-11-08 19:20:17,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-08 19:20:17,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:17,725 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:17,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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)] Forceful destruction successful, exit code 0 [2024-11-08 19:20:17,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:17,926 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:17,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:17,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1943718660, now seen corresponding path program 1 times [2024-11-08 19:20:17,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:20:17,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968764767] [2024-11-08 19:20:17,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:17,928 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 [2024-11-08 19:20:17,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:20:17,931 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:20:17,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:18,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:20:18,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:18,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2024-11-08 19:20:18,580 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:20:18,580 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:20:18,581 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:20:18,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968764767] [2024-11-08 19:20:18,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968764767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:18,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:18,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:20:18,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509989691] [2024-11-08 19:20:18,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:18,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:20:18,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:20:18,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:20:18,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:20:18,584 INFO L87 Difference]: Start difference. First operand 95 states and 133 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:19,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:19,548 INFO L93 Difference]: Finished difference Result 188 states and 264 transitions. [2024-11-08 19:20:19,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:20:19,548 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 89 [2024-11-08 19:20:19,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:19,550 INFO L225 Difference]: With dead ends: 188 [2024-11-08 19:20:19,550 INFO L226 Difference]: Without dead ends: 96 [2024-11-08 19:20:19,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:20:19,551 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 122 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:19,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 434 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 19:20:19,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-08 19:20:19,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2024-11-08 19:20:19,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.3571428571428572) internal successors, (114), 84 states have internal predecessors, (114), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:19,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 132 transitions. [2024-11-08 19:20:19,561 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 132 transitions. Word has length 89 [2024-11-08 19:20:19,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:19,562 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 132 transitions. [2024-11-08 19:20:19,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:19,562 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2024-11-08 19:20:19,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 19:20:19,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:19,564 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:19,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:19,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:19,765 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:19,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:19,766 INFO L85 PathProgramCache]: Analyzing trace with hash 880091102, now seen corresponding path program 1 times [2024-11-08 19:20:19,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:20:19,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004079608] [2024-11-08 19:20:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:19,767 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 [2024-11-08 19:20:19,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:20:19,771 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:20:19,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:20,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:20:20,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:20,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 19:20:20,290 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:20:20,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:20:20,291 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:20:20,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1004079608] [2024-11-08 19:20:20,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1004079608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:20,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:20,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:20:20,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766135192] [2024-11-08 19:20:20,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:20,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:20:20,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:20:20,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:20:20,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:20:20,295 INFO L87 Difference]: Start difference. First operand 95 states and 132 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:20,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:20,395 INFO L93 Difference]: Finished difference Result 187 states and 261 transitions. [2024-11-08 19:20:20,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:20:20,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 91 [2024-11-08 19:20:20,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:20,397 INFO L225 Difference]: With dead ends: 187 [2024-11-08 19:20:20,398 INFO L226 Difference]: Without dead ends: 95 [2024-11-08 19:20:20,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:20:20,400 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:20,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:20:20,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-08 19:20:20,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-08 19:20:20,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:20,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2024-11-08 19:20:20,410 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 91 [2024-11-08 19:20:20,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:20,410 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2024-11-08 19:20:20,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:20,411 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2024-11-08 19:20:20,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-08 19:20:20,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:20,413 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:20,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-08 19:20:20,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:20,614 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:20,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:20,615 INFO L85 PathProgramCache]: Analyzing trace with hash -131026148, now seen corresponding path program 1 times [2024-11-08 19:20:20,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:20:20,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245912922] [2024-11-08 19:20:20,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:20,616 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 [2024-11-08 19:20:20,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:20:20,617 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:20:20,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-08 19:20:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:21,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:20:21,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:21,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2024-11-08 19:20:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:20:21,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:20:21,126 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:20:21,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245912922] [2024-11-08 19:20:21,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245912922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:21,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:21,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:20:21,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291932255] [2024-11-08 19:20:21,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:21,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:20:21,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:20:21,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:20:21,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:20:21,133 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:21,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:21,566 INFO L93 Difference]: Finished difference Result 185 states and 256 transitions. [2024-11-08 19:20:21,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:20:21,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 91 [2024-11-08 19:20:21,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:21,569 INFO L225 Difference]: With dead ends: 185 [2024-11-08 19:20:21,569 INFO L226 Difference]: Without dead ends: 93 [2024-11-08 19:20:21,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:20:21,570 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:21,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 237 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:20:21,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-08 19:20:21,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-08 19:20:21,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.329268292682927) internal successors, (109), 82 states have internal predecessors, (109), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:21,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 127 transitions. [2024-11-08 19:20:21,579 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 127 transitions. Word has length 91 [2024-11-08 19:20:21,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:21,579 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 127 transitions. [2024-11-08 19:20:21,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 127 transitions. [2024-11-08 19:20:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:20:21,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:21,582 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:21,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 19:20:21,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:21,783 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:21,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:21,783 INFO L85 PathProgramCache]: Analyzing trace with hash 729606384, now seen corresponding path program 1 times [2024-11-08 19:20:21,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:20:21,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767905462] [2024-11-08 19:20:21,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:21,784 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 [2024-11-08 19:20:21,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:20:21,787 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:20:21,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:22,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:20:22,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:20:22,378 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:20:22,379 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:20:22,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767905462] [2024-11-08 19:20:22,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [767905462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:22,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:22,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:20:22,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268850327] [2024-11-08 19:20:22,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:22,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:20:22,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:20:22,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:20:22,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:20:22,382 INFO L87 Difference]: Start difference. First operand 93 states and 127 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:22,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:22,746 INFO L93 Difference]: Finished difference Result 183 states and 251 transitions. [2024-11-08 19:20:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:20:22,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-08 19:20:22,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:22,749 INFO L225 Difference]: With dead ends: 183 [2024-11-08 19:20:22,749 INFO L226 Difference]: Without dead ends: 93 [2024-11-08 19:20:22,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:20:22,750 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:22,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 197 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:20:22,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-08 19:20:22,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-08 19:20:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.3170731707317074) internal successors, (108), 82 states have internal predecessors, (108), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 126 transitions. [2024-11-08 19:20:22,758 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 126 transitions. Word has length 96 [2024-11-08 19:20:22,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:22,759 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 126 transitions. [2024-11-08 19:20:22,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:22,759 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 126 transitions. [2024-11-08 19:20:22,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:20:22,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:22,761 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:22,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 19:20:22,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:22,962 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:22,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:22,963 INFO L85 PathProgramCache]: Analyzing trace with hash 870154994, now seen corresponding path program 1 times [2024-11-08 19:20:22,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:20:22,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932143451] [2024-11-08 19:20:22,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:22,963 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 [2024-11-08 19:20:22,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:20:22,966 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:20:22,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-08 19:20:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:23,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:20:23,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:20:23,540 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:20:23,540 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:20:23,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932143451] [2024-11-08 19:20:23,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932143451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:23,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:23,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:20:23,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095438188] [2024-11-08 19:20:23,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:23,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:20:23,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:20:23,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:20:23,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:20:23,543 INFO L87 Difference]: Start difference. First operand 93 states and 126 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:24,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:24,188 INFO L93 Difference]: Finished difference Result 183 states and 249 transitions. [2024-11-08 19:20:24,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:20:24,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-08 19:20:24,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:24,190 INFO L225 Difference]: With dead ends: 183 [2024-11-08 19:20:24,190 INFO L226 Difference]: Without dead ends: 93 [2024-11-08 19:20:24,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:20:24,191 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:24,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 195 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:20:24,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-08 19:20:24,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-08 19:20:24,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 82 states have internal predecessors, (107), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-08 19:20:24,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 125 transitions. [2024-11-08 19:20:24,200 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 125 transitions. Word has length 96 [2024-11-08 19:20:24,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:24,201 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 125 transitions. [2024-11-08 19:20:24,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:24,201 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 125 transitions. [2024-11-08 19:20:24,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:20:24,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:24,203 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:24,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2024-11-08 19:20:24,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:24,408 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:24,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:24,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1292856820, now seen corresponding path program 1 times [2024-11-08 19:20:24,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:20:24,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1798773828] [2024-11-08 19:20:24,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:24,409 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 [2024-11-08 19:20:24,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:20:24,410 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:20:24,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (10)] Waiting until timeout for monitored process [2024-11-08 19:20:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:24,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 19:20:24,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:25,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2024-11-08 19:20:25,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2024-11-08 19:20:25,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 33 [2024-11-08 19:20:25,689 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:20:25,690 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:20:25,690 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:20:25,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1798773828] [2024-11-08 19:20:25,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1798773828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:20:25,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:20:25,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 19:20:25,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931747489] [2024-11-08 19:20:25,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:25,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 19:20:25,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:20:25,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 19:20:25,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:20:25,693 INFO L87 Difference]: Start difference. First operand 93 states and 125 transitions. Second operand has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:29,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:20:29,385 INFO L93 Difference]: Finished difference Result 276 states and 372 transitions. [2024-11-08 19:20:29,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 19:20:29,386 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-08 19:20:29,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:20:29,388 INFO L225 Difference]: With dead ends: 276 [2024-11-08 19:20:29,388 INFO L226 Difference]: Without dead ends: 186 [2024-11-08 19:20:29,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2024-11-08 19:20:29,389 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 110 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:20:29,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 1361 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-08 19:20:29,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-08 19:20:29,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 179. [2024-11-08 19:20:29,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 158 states have internal predecessors, (206), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 19:20:29,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 242 transitions. [2024-11-08 19:20:29,406 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 242 transitions. Word has length 96 [2024-11-08 19:20:29,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:20:29,406 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 242 transitions. [2024-11-08 19:20:29,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.857142857142857) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:20:29,406 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 242 transitions. [2024-11-08 19:20:29,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:20:29,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:20:29,408 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:20:29,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (10)] Forceful destruction successful, exit code 0 [2024-11-08 19:20:29,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:20:29,609 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:20:29,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:20:29,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1993921398, now seen corresponding path program 1 times [2024-11-08 19:20:29,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:20:29,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826676507] [2024-11-08 19:20:29,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:20:29,610 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 [2024-11-08 19:20:29,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:20:29,613 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:20:29,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (11)] Waiting until timeout for monitored process [2024-11-08 19:20:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:20:30,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 19:20:30,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:20:30,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2024-11-08 19:20:31,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-08 19:20:31,389 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 12 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 19:20:31,389 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:20:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:20:47,758 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:20:47,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826676507] [2024-11-08 19:20:47,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826676507] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:20:47,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:20:47,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [15] total 25 [2024-11-08 19:20:47,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933729440] [2024-11-08 19:20:47,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:20:47,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 19:20:47,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:20:47,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 19:20:47,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2024-11-08 19:20:47,762 INFO L87 Difference]: Start difference. First operand 179 states and 242 transitions. Second operand has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:21:54,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:22:00,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:00,372 INFO L93 Difference]: Finished difference Result 469 states and 627 transitions. [2024-11-08 19:22:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 19:22:00,380 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-08 19:22:00,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:00,382 INFO L225 Difference]: With dead ends: 469 [2024-11-08 19:22:00,383 INFO L226 Difference]: Without dead ends: 289 [2024-11-08 19:22:00,384 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 34.5s TimeCoverageRelationStatistics Valid=143, Invalid=1047, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 19:22:00,384 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 383 mSDsluCounter, 1188 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:00,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1362 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 53.5s Time] [2024-11-08 19:22:00,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-08 19:22:00,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 272. [2024-11-08 19:22:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 237 states have (on average 1.2995780590717299) internal successors, (308), 239 states have internal predecessors, (308), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-08 19:22:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 366 transitions. [2024-11-08 19:22:00,414 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 366 transitions. Word has length 96 [2024-11-08 19:22:00,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:00,415 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 366 transitions. [2024-11-08 19:22:00,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.5) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:22:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 366 transitions. [2024-11-08 19:22:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:22:00,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:00,417 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:00,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (11)] Forceful destruction successful, exit code 0 [2024-11-08 19:22:00,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:22:00,618 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:00,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:00,618 INFO L85 PathProgramCache]: Analyzing trace with hash -2069742231, now seen corresponding path program 1 times [2024-11-08 19:22:00,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:00,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331632774] [2024-11-08 19:22:00,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:00,619 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 [2024-11-08 19:22:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:22:00,620 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:22:00,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (12)] Waiting until timeout for monitored process [2024-11-08 19:22:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:01,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:22:01,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:01,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 19:22:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:22:01,080 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:01,080 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:01,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331632774] [2024-11-08 19:22:01,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [331632774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:01,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:01,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:22:01,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049197446] [2024-11-08 19:22:01,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:01,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:22:01,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:01,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:22:01,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:01,082 INFO L87 Difference]: Start difference. First operand 272 states and 366 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:22:01,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:01,474 INFO L93 Difference]: Finished difference Result 520 states and 702 transitions. [2024-11-08 19:22:01,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:22:01,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-08 19:22:01,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:01,478 INFO L225 Difference]: With dead ends: 520 [2024-11-08 19:22:01,478 INFO L226 Difference]: Without dead ends: 272 [2024-11-08 19:22:01,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:01,480 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:01,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 230 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:22:01,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-08 19:22:01,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2024-11-08 19:22:01,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 237 states have (on average 1.2953586497890295) internal successors, (307), 239 states have internal predecessors, (307), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-08 19:22:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 365 transitions. [2024-11-08 19:22:01,506 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 365 transitions. Word has length 96 [2024-11-08 19:22:01,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:01,507 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 365 transitions. [2024-11-08 19:22:01,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:22:01,507 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 365 transitions. [2024-11-08 19:22:01,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-08 19:22:01,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:01,509 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:01,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (12)] Ended with exit code 0 [2024-11-08 19:22:01,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:22:01,710 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:01,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:01,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1647040405, now seen corresponding path program 1 times [2024-11-08 19:22:01,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:01,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1268137878] [2024-11-08 19:22:01,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:01,711 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 [2024-11-08 19:22:01,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:22:01,714 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:22:01,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (13)] Waiting until timeout for monitored process [2024-11-08 19:22:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:02,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:22:02,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:02,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2024-11-08 19:22:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:22:02,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:02,207 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:02,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1268137878] [2024-11-08 19:22:02,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1268137878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:02,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:02,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:22:02,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290201887] [2024-11-08 19:22:02,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:02,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:22:02,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:02,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:22:02,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:02,209 INFO L87 Difference]: Start difference. First operand 272 states and 365 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:22:02,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:02,270 INFO L93 Difference]: Finished difference Result 514 states and 694 transitions. [2024-11-08 19:22:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:22:02,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 96 [2024-11-08 19:22:02,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:02,273 INFO L225 Difference]: With dead ends: 514 [2024-11-08 19:22:02,273 INFO L226 Difference]: Without dead ends: 266 [2024-11-08 19:22:02,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:02,275 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:02,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:22:02,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-08 19:22:02,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2024-11-08 19:22:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 231 states have (on average 1.2943722943722944) internal successors, (299), 233 states have internal predecessors, (299), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-08 19:22:02,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 357 transitions. [2024-11-08 19:22:02,320 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 357 transitions. Word has length 96 [2024-11-08 19:22:02,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:02,321 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 357 transitions. [2024-11-08 19:22:02,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:22:02,321 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 357 transitions. [2024-11-08 19:22:02,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 19:22:02,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:02,322 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:02,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (13)] Ended with exit code 0 [2024-11-08 19:22:02,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:22:02,525 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:02,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:02,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1107158254, now seen corresponding path program 1 times [2024-11-08 19:22:02,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:02,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605371699] [2024-11-08 19:22:02,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:02,527 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 [2024-11-08 19:22:02,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:22:02,528 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:22:02,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (14)] Waiting until timeout for monitored process [2024-11-08 19:22:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:03,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:22:03,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:03,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 19:22:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:22:03,198 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:03,199 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:03,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605371699] [2024-11-08 19:22:03,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [605371699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:03,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:03,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:22:03,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735703284] [2024-11-08 19:22:03,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:03,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:22:03,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:03,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:22:03,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:03,201 INFO L87 Difference]: Start difference. First operand 266 states and 357 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:22:03,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:03,265 INFO L93 Difference]: Finished difference Result 508 states and 684 transitions. [2024-11-08 19:22:03,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:22:03,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-08 19:22:03,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:03,270 INFO L225 Difference]: With dead ends: 508 [2024-11-08 19:22:03,270 INFO L226 Difference]: Without dead ends: 266 [2024-11-08 19:22:03,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:03,272 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:03,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 222 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:22:03,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-08 19:22:03,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2024-11-08 19:22:03,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 231 states have (on average 1.2813852813852813) internal successors, (296), 233 states have internal predecessors, (296), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-08 19:22:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 354 transitions. [2024-11-08 19:22:03,297 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 354 transitions. Word has length 101 [2024-11-08 19:22:03,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:03,297 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 354 transitions. [2024-11-08 19:22:03,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:22:03,298 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 354 transitions. [2024-11-08 19:22:03,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 19:22:03,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:03,299 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:03,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (14)] Ended with exit code 0 [2024-11-08 19:22:03,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:22:03,500 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:03,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:03,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1498865300, now seen corresponding path program 1 times [2024-11-08 19:22:03,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:03,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570296330] [2024-11-08 19:22:03,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:03,502 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 [2024-11-08 19:22:03,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:22:03,505 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:22:03,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (15)] Waiting until timeout for monitored process [2024-11-08 19:22:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:04,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:22:04,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:04,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 19:22:04,160 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:22:04,160 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:04,160 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:04,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570296330] [2024-11-08 19:22:04,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1570296330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:04,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:04,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:22:04,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880416790] [2024-11-08 19:22:04,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:04,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:22:04,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:04,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:22:04,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:04,162 INFO L87 Difference]: Start difference. First operand 266 states and 354 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:22:04,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:04,218 INFO L93 Difference]: Finished difference Result 508 states and 678 transitions. [2024-11-08 19:22:04,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:22:04,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-08 19:22:04,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:04,220 INFO L225 Difference]: With dead ends: 508 [2024-11-08 19:22:04,220 INFO L226 Difference]: Without dead ends: 266 [2024-11-08 19:22:04,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:04,221 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:04,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:22:04,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-08 19:22:04,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2024-11-08 19:22:04,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 231 states have (on average 1.2683982683982684) internal successors, (293), 233 states have internal predecessors, (293), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-08 19:22:04,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 351 transitions. [2024-11-08 19:22:04,245 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 351 transitions. Word has length 101 [2024-11-08 19:22:04,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:04,246 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 351 transitions. [2024-11-08 19:22:04,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:22:04,246 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 351 transitions. [2024-11-08 19:22:04,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 19:22:04,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:04,247 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:04,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (15)] Forceful destruction successful, exit code 0 [2024-11-08 19:22:04,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:22:04,448 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:04,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:04,448 INFO L85 PathProgramCache]: Analyzing trace with hash -89482602, now seen corresponding path program 1 times [2024-11-08 19:22:04,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:04,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1498288566] [2024-11-08 19:22:04,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:04,449 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 [2024-11-08 19:22:04,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:22:04,452 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:22:04,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (16)] Waiting until timeout for monitored process [2024-11-08 19:22:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:04,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:22:04,934 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:04,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-11-08 19:22:04,998 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:22:04,999 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:04,999 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:04,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1498288566] [2024-11-08 19:22:04,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1498288566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:05,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:05,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:22:05,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787292616] [2024-11-08 19:22:05,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:05,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:22:05,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:05,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:22:05,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:05,002 INFO L87 Difference]: Start difference. First operand 266 states and 351 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:22:05,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:22:05,058 INFO L93 Difference]: Finished difference Result 508 states and 672 transitions. [2024-11-08 19:22:05,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:22:05,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-08 19:22:05,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:22:05,062 INFO L225 Difference]: With dead ends: 508 [2024-11-08 19:22:05,062 INFO L226 Difference]: Without dead ends: 266 [2024-11-08 19:22:05,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:05,065 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:22:05,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:22:05,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-08 19:22:05,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2024-11-08 19:22:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 231 states have (on average 1.2554112554112553) internal successors, (290), 233 states have internal predecessors, (290), 29 states have call successors, (29), 5 states have call predecessors, (29), 5 states have return successors, (29), 27 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-08 19:22:05,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 348 transitions. [2024-11-08 19:22:05,092 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 348 transitions. Word has length 101 [2024-11-08 19:22:05,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:22:05,093 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 348 transitions. [2024-11-08 19:22:05,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:22:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 348 transitions. [2024-11-08 19:22:05,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 19:22:05,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:22:05,094 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:05,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (16)] Forceful destruction successful, exit code 0 [2024-11-08 19:22:05,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:22:05,298 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:22:05,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:05,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1369346280, now seen corresponding path program 1 times [2024-11-08 19:22:05,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:05,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86314270] [2024-11-08 19:22:05,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:05,300 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 [2024-11-08 19:22:05,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:22:05,305 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:22:05,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (17)] Waiting until timeout for monitored process [2024-11-08 19:22:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:06,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 19:22:06,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:07,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2024-11-08 19:22:07,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-11-08 19:22:08,102 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 12 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-08 19:22:08,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:22:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:22:40,878 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:40,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86314270] [2024-11-08 19:22:40,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [86314270] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:22:40,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:22:40,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [15] total 30 [2024-11-08 19:22:40,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676281914] [2024-11-08 19:22:40,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:40,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 19:22:40,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:40,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 19:22:40,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=753, Unknown=0, NotChecked=0, Total=870 [2024-11-08 19:22:40,881 INFO L87 Difference]: Start difference. First operand 266 states and 348 transitions. Second operand has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:22:52,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 19:24:59,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:24:59,681 INFO L93 Difference]: Finished difference Result 560 states and 728 transitions. [2024-11-08 19:24:59,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 19:24:59,693 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-08 19:24:59,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:24:59,695 INFO L225 Difference]: With dead ends: 560 [2024-11-08 19:24:59,695 INFO L226 Difference]: Without dead ends: 318 [2024-11-08 19:24:59,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 105.3s TimeCoverageRelationStatistics Valid=350, Invalid=2097, Unknown=3, NotChecked=0, Total=2450 [2024-11-08 19:24:59,698 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 481 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 108 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:24:59,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 848 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1047 Invalid, 1 Unknown, 0 Unchecked, 64.3s Time] [2024-11-08 19:24:59,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-08 19:24:59,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 287. [2024-11-08 19:24:59,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 244 states have (on average 1.2418032786885247) internal successors, (303), 246 states have internal predecessors, (303), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 19:24:59,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 375 transitions. [2024-11-08 19:24:59,739 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 375 transitions. Word has length 101 [2024-11-08 19:24:59,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:24:59,740 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 375 transitions. [2024-11-08 19:24:59,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:24:59,740 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 375 transitions. [2024-11-08 19:24:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 19:24:59,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:24:59,742 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:24:59,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (17)] Ended with exit code 0 [2024-11-08 19:24:59,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:24:59,946 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:24:59,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:59,946 INFO L85 PathProgramCache]: Analyzing trace with hash -668281702, now seen corresponding path program 1 times [2024-11-08 19:24:59,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:24:59,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105986336] [2024-11-08 19:24:59,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:24:59,947 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 [2024-11-08 19:24:59,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:24:59,948 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:24:59,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (18)] Waiting until timeout for monitored process [2024-11-08 19:25:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:00,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 19:25:00,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:00,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2024-11-08 19:25:00,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2024-11-08 19:25:00,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 23 [2024-11-08 19:25:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:25:01,190 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:25:01,191 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:01,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105986336] [2024-11-08 19:25:01,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105986336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:25:01,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:25:01,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 19:25:01,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220190174] [2024-11-08 19:25:01,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:25:01,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 19:25:01,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:01,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 19:25:01,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:25:01,194 INFO L87 Difference]: Start difference. First operand 287 states and 375 transitions. Second operand has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:25:06,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:06,956 INFO L93 Difference]: Finished difference Result 549 states and 715 transitions. [2024-11-08 19:25:06,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 19:25:06,957 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-08 19:25:06,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:06,960 INFO L225 Difference]: With dead ends: 549 [2024-11-08 19:25:06,960 INFO L226 Difference]: Without dead ends: 299 [2024-11-08 19:25:06,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2024-11-08 19:25:06,962 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 109 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:06,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 1210 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-08 19:25:06,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-08 19:25:07,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 285. [2024-11-08 19:25:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 242 states have (on average 1.2396694214876034) internal successors, (300), 244 states have internal predecessors, (300), 36 states have call successors, (36), 6 states have call predecessors, (36), 6 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 19:25:07,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 372 transitions. [2024-11-08 19:25:07,007 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 372 transitions. Word has length 101 [2024-11-08 19:25:07,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:07,008 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 372 transitions. [2024-11-08 19:25:07,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.916666666666667) internal successors, (59), 12 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:25:07,008 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 372 transitions. [2024-11-08 19:25:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 19:25:07,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:07,010 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:25:07,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (18)] Ended with exit code 0 [2024-11-08 19:25:07,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:25:07,211 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:07,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:07,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1241182513, now seen corresponding path program 1 times [2024-11-08 19:25:07,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:07,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215019032] [2024-11-08 19:25:07,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:07,212 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 [2024-11-08 19:25:07,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:07,213 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:25:07,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (19)] Waiting until timeout for monitored process [2024-11-08 19:25:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:07,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 19:25:07,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:08,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2024-11-08 19:25:08,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2024-11-08 19:25:09,215 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:25:09,215 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:25:09,215 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:09,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215019032] [2024-11-08 19:25:09,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215019032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:25:09,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:25:09,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 19:25:09,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45791909] [2024-11-08 19:25:09,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:25:09,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 19:25:09,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:09,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 19:25:09,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:25:09,218 INFO L87 Difference]: Start difference. First operand 285 states and 372 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:25:14,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:14,438 INFO L93 Difference]: Finished difference Result 468 states and 605 transitions. [2024-11-08 19:25:14,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 19:25:14,440 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-08 19:25:14,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:14,442 INFO L225 Difference]: With dead ends: 468 [2024-11-08 19:25:14,442 INFO L226 Difference]: Without dead ends: 219 [2024-11-08 19:25:14,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2024-11-08 19:25:14,443 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 94 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1087 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:14,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1087 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-08 19:25:14,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-08 19:25:14,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 214. [2024-11-08 19:25:14,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 181 states have (on average 1.2209944751381216) internal successors, (221), 182 states have internal predecessors, (221), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 19:25:14,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 275 transitions. [2024-11-08 19:25:14,481 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 275 transitions. Word has length 101 [2024-11-08 19:25:14,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:14,481 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 275 transitions. [2024-11-08 19:25:14,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:25:14,482 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 275 transitions. [2024-11-08 19:25:14,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 19:25:14,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:14,483 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:25:14,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (19)] Ended with exit code 0 [2024-11-08 19:25:14,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:25:14,684 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:14,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:14,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1754375937, now seen corresponding path program 1 times [2024-11-08 19:25:14,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:14,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847756289] [2024-11-08 19:25:14,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:14,685 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 [2024-11-08 19:25:14,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:14,687 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:25:14,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (20)] Waiting until timeout for monitored process [2024-11-08 19:25:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:15,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 19:25:15,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:25:15,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2024-11-08 19:25:16,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2024-11-08 19:25:16,778 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 19:25:16,778 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:25:16,779 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:25:16,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847756289] [2024-11-08 19:25:16,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1847756289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:25:16,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:25:16,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 19:25:16,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580905611] [2024-11-08 19:25:16,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:25:16,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 19:25:16,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:25:16,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 19:25:16,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:25:16,781 INFO L87 Difference]: Start difference. First operand 214 states and 275 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:25:21,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:25:21,389 INFO L93 Difference]: Finished difference Result 398 states and 510 transitions. [2024-11-08 19:25:21,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-08 19:25:21,390 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 101 [2024-11-08 19:25:21,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:25:21,392 INFO L225 Difference]: With dead ends: 398 [2024-11-08 19:25:21,392 INFO L226 Difference]: Without dead ends: 226 [2024-11-08 19:25:21,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2024-11-08 19:25:21,394 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 96 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:25:21,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 816 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-08 19:25:21,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-08 19:25:21,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 221. [2024-11-08 19:25:21,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 188 states have (on average 1.2180851063829787) internal successors, (229), 188 states have internal predecessors, (229), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 19:25:21,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 283 transitions. [2024-11-08 19:25:21,440 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 283 transitions. Word has length 101 [2024-11-08 19:25:21,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:25:21,441 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 283 transitions. [2024-11-08 19:25:21,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2024-11-08 19:25:21,442 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 283 transitions. [2024-11-08 19:25:21,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 19:25:21,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:25:21,443 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:25:21,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (20)] Ended with exit code 0 [2024-11-08 19:25:21,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:25:21,644 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:25:21,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:25:21,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1882539704, now seen corresponding path program 1 times [2024-11-08 19:25:21,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:25:21,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1970764776] [2024-11-08 19:25:21,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:25:21,645 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 [2024-11-08 19:25:21,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:25:21,646 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:25:21,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27e1a87c-e22e-4893-965b-b6ad5752a88b/bin/uautomizer-verify-jihMAELWvX/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 (21)] Waiting until timeout for monitored process