./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1689f85c28d1e6434194d2a6f7eb0aae66aa4ed557053bab0b2942bb334560be --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:19:41,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:19:41,751 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:19:41,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:19:41,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:19:41,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:19:41,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:19:41,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:19:41,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:19:41,786 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:19:41,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:19:41,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:19:41,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:19:41,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:19:41,789 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:19:41,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:19:41,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:19:41,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:19:41,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:19:41,792 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:19:41,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:19:41,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:19:41,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:19:41,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:19:41,795 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:19:41,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:19:41,796 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:19:41,796 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:19:41,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:19:41,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:19:41,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:19:41,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:19:41,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:19:41,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:19:41,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:19:41,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:19:41,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:19:41,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:19:41,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:19:41,800 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:19:41,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:19:41,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:19:41,801 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_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1689f85c28d1e6434194d2a6f7eb0aae66aa4ed557053bab0b2942bb334560be [2023-11-29 05:19:42,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:19:42,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:19:42,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:19:42,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:19:42,074 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:19:42,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i [2023-11-29 05:19:44,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:19:45,147 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:19:45,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i [2023-11-29 05:19:45,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/data/35a0dcc80/783af4b7f6614432998dedfdea01812f/FLAG1f67c8a03 [2023-11-29 05:19:45,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/data/35a0dcc80/783af4b7f6614432998dedfdea01812f [2023-11-29 05:19:45,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:19:45,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:19:45,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:19:45,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:19:45,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:19:45,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b29735d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45, skipping insertion in model container [2023-11-29 05:19:45,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,212 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:19:45,345 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i[916,929] [2023-11-29 05:19:45,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:19:45,419 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:19:45,434 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i[916,929] [2023-11-29 05:19:45,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:19:45,492 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:19:45,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45 WrapperNode [2023-11-29 05:19:45,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:19:45,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:19:45,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:19:45,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:19:45,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,567 INFO L138 Inliner]: procedures = 29, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 419 [2023-11-29 05:19:45,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:19:45,569 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:19:45,569 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:19:45,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:19:45,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,617 INFO L175 MemorySlicer]: Split 124 memory accesses to 5 slices as follows [2, 19, 34, 46, 23]. 37 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 3, 5, 3]. The 17 writes are split as follows [0, 3, 3, 7, 4]. [2023-11-29 05:19:45,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:19:45,668 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:19:45,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:19:45,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:19:45,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (1/1) ... [2023-11-29 05:19:45,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:19:45,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:19:45,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:19:45,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:19:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:19:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-29 05:19:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-29 05:19:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-29 05:19:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-29 05:19:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-29 05:19:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:19:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:19:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 05:19:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-29 05:19:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-29 05:19:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-29 05:19:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-29 05:19:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-29 05:19:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-29 05:19:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-29 05:19:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:19:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:19:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 05:19:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-29 05:19:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-29 05:19:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-29 05:19:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-29 05:19:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-29 05:19:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-29 05:19:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-29 05:19:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:19:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:19:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:19:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 05:19:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 05:19:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-29 05:19:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-29 05:19:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:19:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:19:45,914 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:19:45,917 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:19:46,403 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:19:46,445 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:19:46,446 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:19:46,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:19:46 BoogieIcfgContainer [2023-11-29 05:19:46,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:19:46,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:19:46,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:19:46,452 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:19:46,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:19:45" (1/3) ... [2023-11-29 05:19:46,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f371b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:19:46, skipping insertion in model container [2023-11-29 05:19:46,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:45" (2/3) ... [2023-11-29 05:19:46,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51f371b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:19:46, skipping insertion in model container [2023-11-29 05:19:46,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:19:46" (3/3) ... [2023-11-29 05:19:46,456 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-16.i [2023-11-29 05:19:46,471 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:19:46,471 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:19:46,520 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:19:46,527 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2ebfca7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:19:46,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:19:46,532 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 80 states have internal predecessors, (113), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 05:19:46,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 05:19:46,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:19:46,549 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:19:46,550 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:19:46,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:19:46,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1708169915, now seen corresponding path program 1 times [2023-11-29 05:19:46,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:19:46,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321835997] [2023-11-29 05:19:46,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:19:46,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:19:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:19:46,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:19:46,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321835997] [2023-11-29 05:19:46,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 05:19:46,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890696002] [2023-11-29 05:19:46,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:19:46,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:19:46,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:19:46,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:19:46,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:19:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:19:47,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:19:47,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:19:47,076 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-29 05:19:47,077 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:19:47,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890696002] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:19:47,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:19:47,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:19:47,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254225240] [2023-11-29 05:19:47,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:19:47,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:19:47,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:19:47,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:19:47,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:19:47,116 INFO L87 Difference]: Start difference. First operand has 103 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 80 states have internal predecessors, (113), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:19:47,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:19:47,156 INFO L93 Difference]: Finished difference Result 203 states and 329 transitions. [2023-11-29 05:19:47,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:19:47,159 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 152 [2023-11-29 05:19:47,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:19:47,168 INFO L225 Difference]: With dead ends: 203 [2023-11-29 05:19:47,168 INFO L226 Difference]: Without dead ends: 101 [2023-11-29 05:19:47,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:19:47,176 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 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 [2023-11-29 05:19:47,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:19:47,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-29 05:19:47,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-29 05:19:47,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 78 states have (on average 1.3846153846153846) internal successors, (108), 78 states have internal predecessors, (108), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 05:19:47,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 150 transitions. [2023-11-29 05:19:47,230 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 150 transitions. Word has length 152 [2023-11-29 05:19:47,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:19:47,231 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 150 transitions. [2023-11-29 05:19:47,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:19:47,232 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2023-11-29 05:19:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 05:19:47,236 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:19:47,237 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:19:47,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:19:47,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 05:19:47,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:19:47,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:19:47,439 INFO L85 PathProgramCache]: Analyzing trace with hash -462829281, now seen corresponding path program 1 times [2023-11-29 05:19:47,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:19:47,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529292401] [2023-11-29 05:19:47,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:19:47,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:19:47,545 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:19:47,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [773318280] [2023-11-29 05:19:47,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:19:47,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:19:47,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:19:47,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:19:47,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:19:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:19:47,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:19:47,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:19:47,934 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:19:47,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 22 [2023-11-29 05:19:47,961 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:19:47,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 10 [2023-11-29 05:19:47,977 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:19:47,977 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:19:47,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:19:47,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529292401] [2023-11-29 05:19:47,978 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:19:47,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773318280] [2023-11-29 05:19:47,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773318280] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:19:47,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:19:47,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:19:47,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29958219] [2023-11-29 05:19:47,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:19:47,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:19:47,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:19:47,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:19:47,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:19:47,983 INFO L87 Difference]: Start difference. First operand 101 states and 150 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:19:48,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:19:48,232 INFO L93 Difference]: Finished difference Result 312 states and 465 transitions. [2023-11-29 05:19:48,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:19:48,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 152 [2023-11-29 05:19:48,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:19:48,238 INFO L225 Difference]: With dead ends: 312 [2023-11-29 05:19:48,238 INFO L226 Difference]: Without dead ends: 212 [2023-11-29 05:19:48,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:19:48,242 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 196 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:19:48,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 539 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:19:48,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-11-29 05:19:48,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 185. [2023-11-29 05:19:48,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 146 states have (on average 1.3972602739726028) internal successors, (204), 147 states have internal predecessors, (204), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-29 05:19:48,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2023-11-29 05:19:48,276 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 152 [2023-11-29 05:19:48,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:19:48,277 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2023-11-29 05:19:48,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:19:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2023-11-29 05:19:48,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 05:19:48,281 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:19:48,281 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:19:48,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:19:48,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:19:48,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:19:48,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:19:48,489 INFO L85 PathProgramCache]: Analyzing trace with hash 238235297, now seen corresponding path program 1 times [2023-11-29 05:19:48,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:19:48,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421136867] [2023-11-29 05:19:48,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:19:48,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:19:48,548 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:19:48,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660337645] [2023-11-29 05:19:48,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:19:48,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:19:48,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:19:48,550 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:19:48,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:19:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:19:48,901 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:19:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:19:49,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:19:49,251 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:19:49,252 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:19:49,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:19:49,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:19:49,458 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-29 05:19:49,462 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:19:49,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-29 05:19:49,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-29 05:19:49,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-29 05:19:49,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-29 05:19:49,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-29 05:19:49,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-29 05:19:49,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-29 05:19:49,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-29 05:19:49,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-29 05:19:49,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-29 05:19:49,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-29 05:19:49,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-29 05:19:49,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated [2023-11-29 05:19:49,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-29 05:19:49,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-29 05:19:49,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-29 05:19:49,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-29 05:19:49,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 05:19:49,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-29 05:19:49,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-29 05:19:49,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 05:19:49,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-29 05:19:49,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-29 05:19:49,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-29 05:19:49,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated [2023-11-29 05:19:49,541 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-29 05:19:49,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-29 05:19:49,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-29 05:19:49,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-29 05:19:49,545 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-29 05:19:49,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-29 05:19:49,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-29 05:19:49,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-29 05:19:49,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-29 05:19:49,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-29 05:19:49,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-29 05:19:49,552 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-29 05:19:49,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-29 05:19:49,553 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-29 05:19:49,554 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-29 05:19:49,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-29 05:19:49,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-29 05:19:49,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-29 05:19:49,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-29 05:19:49,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite8 could not be translated [2023-11-29 05:19:49,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 05:19:49,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-29 05:19:49,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite83 could not be translated [2023-11-29 05:19:49,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 05:19:49,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 05:19:49,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite88 could not be translated [2023-11-29 05:19:49,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-29 05:19:49,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite83 could not be translated [2023-11-29 05:19:49,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 05:19:49,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 05:19:49,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-29 05:19:49,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite83 could not be translated [2023-11-29 05:19:49,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated [2023-11-29 05:19:49,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite88 could not be translated [2023-11-29 05:19:49,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 05:19:49,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-29 05:19:49,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite88 could not be translated [2023-11-29 05:19:49,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite83 could not be translated [2023-11-29 05:19:49,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 05:19:49,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 05:19:49,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 05:19:49,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 05:19:49,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite88 could not be translated [2023-11-29 05:19:49,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 05:19:49,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 05:19:49,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-29 05:19:49,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated [2023-11-29 05:19:49,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 05:19:49,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated [2023-11-29 05:19:49,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite83 could not be translated [2023-11-29 05:19:49,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 05:19:49,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-29 05:19:49,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated [2023-11-29 05:19:49,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite83 could not be translated [2023-11-29 05:19:49,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-29 05:19:49,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-29 05:19:49,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated [2023-11-29 05:19:49,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-29 05:19:49,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite88 could not be translated [2023-11-29 05:19:49,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-29 05:19:49,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated [2023-11-29 05:19:49,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:19:49 BoogieIcfgContainer [2023-11-29 05:19:49,591 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:19:49,592 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:19:49,592 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:19:49,593 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:19:49,593 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:19:46" (3/4) ... [2023-11-29 05:19:49,595 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:19:49,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:19:49,598 INFO L158 Benchmark]: Toolchain (without parser) took 4426.91ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 111.4MB in the beginning and 151.1MB in the end (delta: -39.7MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-29 05:19:49,598 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:19:49,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.06ms. Allocated memory is still 148.9MB. Free memory was 111.4MB in the beginning and 97.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 05:19:49,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.70ms. Allocated memory is still 148.9MB. Free memory was 97.1MB in the beginning and 93.4MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:19:49,600 INFO L158 Benchmark]: Boogie Preprocessor took 98.89ms. Allocated memory is still 148.9MB. Free memory was 93.4MB in the beginning and 88.7MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:19:49,600 INFO L158 Benchmark]: RCFGBuilder took 778.19ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 88.7MB in the beginning and 143.5MB in the end (delta: -54.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-29 05:19:49,601 INFO L158 Benchmark]: TraceAbstraction took 3142.03ms. Allocated memory is still 195.0MB. Free memory was 142.5MB in the beginning and 151.1MB in the end (delta: -8.6MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2023-11-29 05:19:49,601 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 195.0MB. Free memory is still 151.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:19:49,605 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.06ms. Allocated memory is still 148.9MB. Free memory was 111.4MB in the beginning and 97.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.70ms. Allocated memory is still 148.9MB. Free memory was 97.1MB in the beginning and 93.4MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.89ms. Allocated memory is still 148.9MB. Free memory was 93.4MB in the beginning and 88.7MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 778.19ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 88.7MB in the beginning and 143.5MB in the end (delta: -54.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3142.03ms. Allocated memory is still 195.0MB. Free memory was 142.5MB in the beginning and 151.1MB in the end (delta: -8.6MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 195.0MB. Free memory is still 151.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short114 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 43. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 0, 1 }; [L25-L27] float float_Array_0[3] = { 3.8, 2.75, 1000000.8 }; [L25-L27] float float_Array_0[3] = { 3.8, 2.75, 1000000.8 }; [L25-L27] float float_Array_0[3] = { 3.8, 2.75, 1000000.8 }; [L25-L27] float float_Array_0[3] = { 3.8, 2.75, 1000000.8 }; [L28-L30] signed char signed_char_Array_0[5] = { 32, 25, 2, 0, 2 }; [L28-L30] signed char signed_char_Array_0[5] = { 32, 25, 2, 0, 2 }; [L28-L30] signed char signed_char_Array_0[5] = { 32, 25, 2, 0, 2 }; [L28-L30] signed char signed_char_Array_0[5] = { 32, 25, 2, 0, 2 }; [L28-L30] signed char signed_char_Array_0[5] = { 32, 25, 2, 0, 2 }; [L28-L30] signed char signed_char_Array_0[5] = { 32, 25, 2, 0, 2 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { -32, 256, 4 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { -32, 256, 4 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { -32, 256, 4 }; [L31-L33] signed short int signed_short_int_Array_0[3] = { -32, 256, 4 }; [L34] signed char last_1_signed_char_Array_0_1_ = 25; [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] CALL updateLastVariables() [L98] EXPR signed_char_Array_0[1] [L98] last_1_signed_char_Array_0_1_ = signed_char_Array_0[1] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L65] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L67] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L68] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L70] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L71] float_Array_0[0] = __VERIFIER_nondet_float() [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L72] EXPR float_Array_0[0] [L72] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L72] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L72] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L72] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L72] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L73] float_Array_0[1] = __VERIFIER_nondet_float() [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L74] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L74] EXPR float_Array_0[1] [L74] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L74] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L74] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L74] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L74] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L75] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L75] CALL assume_abort_if_not(float_Array_0[1] != 0.0F) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L75] RET assume_abort_if_not(float_Array_0[1] != 0.0F) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L76] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L77] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L77] CALL assume_abort_if_not(signed_char_Array_0[0] >= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L77] RET assume_abort_if_not(signed_char_Array_0[0] >= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L78] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L78] CALL assume_abort_if_not(signed_char_Array_0[0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L78] RET assume_abort_if_not(signed_char_Array_0[0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L79] signed_char_Array_0[2] = __VERIFIER_nondet_char() [L80] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L80] CALL assume_abort_if_not(signed_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L80] RET assume_abort_if_not(signed_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L81] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L81] CALL assume_abort_if_not(signed_char_Array_0[2] <= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L81] RET assume_abort_if_not(signed_char_Array_0[2] <= 31) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L82] signed_char_Array_0[3] = __VERIFIER_nondet_char() [L83] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L83] CALL assume_abort_if_not(signed_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L83] RET assume_abort_if_not(signed_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[3] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] RET assume_abort_if_not(signed_char_Array_0[3] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L85] signed_char_Array_0[4] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[4] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L86] RET assume_abort_if_not(signed_char_Array_0[4] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L87] EXPR signed_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[4] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L87] RET assume_abort_if_not(signed_char_Array_0[4] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L88] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L89] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L89] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L89] RET assume_abort_if_not(signed_short_int_Array_0[1] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L90] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L90] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L90] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L91] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L91] CALL assume_abort_if_not(signed_short_int_Array_0[1] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L91] RET assume_abort_if_not(signed_short_int_Array_0[1] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L92] signed_short_int_Array_0[2] = __VERIFIER_nondet_short() [L93] EXPR signed_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L93] CALL assume_abort_if_not(signed_short_int_Array_0[2] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L93] RET assume_abort_if_not(signed_short_int_Array_0[2] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L94] EXPR signed_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L94] CALL assume_abort_if_not(signed_short_int_Array_0[2] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L94] RET assume_abort_if_not(signed_short_int_Array_0[2] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L95] EXPR signed_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L95] CALL assume_abort_if_not(signed_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L95] RET assume_abort_if_not(signed_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L109] RET updateVariables() [L110] CALL step() [L38] EXPR signed_short_int_Array_0[2] [L38] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L38] EXPR ((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1]) [L38] EXPR signed_short_int_Array_0[1] [L38] EXPR ((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L38] COND FALSE !((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) [L41] EXPR float_Array_0[0] [L41] float_Array_0[2] = float_Array_0[0] [L42] EXPR signed_char_Array_0[3] [L42] signed char stepLocal_2 = signed_char_Array_0[3]; [L43] EXPR float_Array_0[1] [L43] unsigned char stepLocal_1 = 99999.375 <= float_Array_0[1]; [L44] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L44] COND FALSE !(signed_char_Array_0[2] <= stepLocal_2) [L49] signed_short_int_Array_0[0] = -25 VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L51] EXPR BOOL_unsigned_char_Array_0[0] [L51] unsigned char stepLocal_0 = BOOL_unsigned_char_Array_0[0]; [L52] EXPR float_Array_0[0] [L52] EXPR float_Array_0[2] [L52] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L52] COND FALSE !(float_Array_0[0] < (float_Array_0[2] / float_Array_0[1])) [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR signed_short_int_Array_0[2] [L101] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1]) [L101] EXPR signed_short_int_Array_0[1] [L101] EXPR ((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1]) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1 [L101] EXPR ((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0])) [L101] EXPR float_Array_0[2] [L101] EXPR float_Array_0[0] [L101] EXPR (((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0]))) && ((float_Array_0[0] < (float_Array_0[2] / float_Array_0[1])) ? ((BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) ((((((signed_char_Array_0[3]) > (5)) ? (signed_char_Array_0[3]) : (5))) + (signed_char_Array_0[0] - signed_char_Array_0[2])) - signed_char_Array_0[4]))) : ((float_Array_0[1] > float_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[3])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0]))) && ((float_Array_0[0] < (float_Array_0[2] / float_Array_0[1])) ? ((BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) ((((((signed_char_Array_0[3]) > (5)) ? (signed_char_Array_0[3]) : (5))) + (signed_char_Array_0[0] - signed_char_Array_0[2])) - signed_char_Array_0[4]))) : ((float_Array_0[1] > float_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[3])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0]))) && ((float_Array_0[0] < (float_Array_0[2] / float_Array_0[1])) ? ((BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) ((((((signed_char_Array_0[3]) > (5)) ? (signed_char_Array_0[3]) : (5))) + (signed_char_Array_0[0] - signed_char_Array_0[2])) - signed_char_Array_0[4]))) : ((float_Array_0[1] > float_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[3])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])))) : 1)) && ((signed_char_Array_0[2] <= signed_char_Array_0[3]) ? (((float_Array_0[0] < float_Array_0[2]) && (99999.375 <= float_Array_0[1])) ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[2] + signed_char_Array_0[4]))) : 1) : (signed_short_int_Array_0[0] == ((signed short int) -25))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0]))) && ((float_Array_0[0] < (float_Array_0[2] / float_Array_0[1])) ? ((BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) ((((((signed_char_Array_0[3]) > (5)) ? (signed_char_Array_0[3]) : (5))) + (signed_char_Array_0[0] - signed_char_Array_0[2])) - signed_char_Array_0[4]))) : ((float_Array_0[1] > float_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[3])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])))) : 1)) && ((signed_char_Array_0[2] <= signed_char_Array_0[3]) ? (((float_Array_0[0] < float_Array_0[2]) && (99999.375 <= float_Array_0[1])) ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[2] + signed_char_Array_0[4]))) : 1) : (signed_short_int_Array_0[0] == ((signed short int) -25))) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101-L102] return (((((last_1_signed_char_Array_0_1_ % ((((signed_short_int_Array_0[2]) > (signed_short_int_Array_0[1])) ? (signed_short_int_Array_0[2]) : (signed_short_int_Array_0[1])))) <= -1000000) ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[1] || BOOL_unsigned_char_Array_0[0]))) : 1) && (float_Array_0[2] == ((float) float_Array_0[0]))) && ((float_Array_0[0] < (float_Array_0[2] / float_Array_0[1])) ? ((BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) ((((((signed_char_Array_0[3]) > (5)) ? (signed_char_Array_0[3]) : (5))) + (signed_char_Array_0[0] - signed_char_Array_0[2])) - signed_char_Array_0[4]))) : ((float_Array_0[1] > float_Array_0[0]) ? (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[3])) : (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])))) : 1)) && ((signed_char_Array_0[2] <= signed_char_Array_0[3]) ? (((float_Array_0[0] < float_Array_0[2]) && (99999.375 <= float_Array_0[1])) ? (signed_short_int_Array_0[0] == ((signed short int) (signed_char_Array_0[2] + signed_char_Array_0[4]))) : 1) : (signed_short_int_Array_0[0] == ((signed short int) -25))) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_signed_char_Array_0_1_=25, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 196 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 196 mSDsluCounter, 685 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 402 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 283 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=2, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 27 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 302 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 5 NumberOfNonLiveVariables, 994 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1680/1680 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 05:19:49,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1689f85c28d1e6434194d2a6f7eb0aae66aa4ed557053bab0b2942bb334560be --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:19:51,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:19:51,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 05:19:51,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:19:51,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:19:51,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:19:51,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:19:51,707 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:19:51,708 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:19:51,708 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:19:51,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:19:51,709 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:19:51,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:19:51,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:19:51,711 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:19:51,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:19:51,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:19:51,712 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:19:51,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:19:51,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:19:51,714 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:19:51,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:19:51,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:19:51,715 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:19:51,715 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:19:51,716 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:19:51,716 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:19:51,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:19:51,717 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:19:51,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:19:51,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:19:51,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:19:51,718 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:19:51,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:19:51,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:19:51,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:19:51,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:19:51,719 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:19:51,719 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:19:51,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:19:51,720 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:19:51,720 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:19:51,720 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:19:51,720 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:19:51,720 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:19:51,721 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_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1689f85c28d1e6434194d2a6f7eb0aae66aa4ed557053bab0b2942bb334560be [2023-11-29 05:19:52,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:19:52,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:19:52,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:19:52,023 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:19:52,023 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:19:52,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i [2023-11-29 05:19:54,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:19:54,995 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:19:54,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i [2023-11-29 05:19:55,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/data/08f1d9361/5cdd7b433c274fe0addd0f43162864a3/FLAGbe16bc3af [2023-11-29 05:19:55,019 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/data/08f1d9361/5cdd7b433c274fe0addd0f43162864a3 [2023-11-29 05:19:55,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:19:55,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:19:55,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:19:55,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:19:55,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:19:55,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61168d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55, skipping insertion in model container [2023-11-29 05:19:55,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,056 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:19:55,185 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i[916,929] [2023-11-29 05:19:55,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:19:55,258 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:19:55,268 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-16.i[916,929] [2023-11-29 05:19:55,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:19:55,327 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:19:55,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55 WrapperNode [2023-11-29 05:19:55,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:19:55,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:19:55,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:19:55,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:19:55,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,403 INFO L138 Inliner]: procedures = 33, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 413 [2023-11-29 05:19:55,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:19:55,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:19:55,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:19:55,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:19:55,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,425 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,445 INFO L175 MemorySlicer]: Split 124 memory accesses to 5 slices as follows [2, 19, 34, 46, 23]. 37 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 3, 3, 5, 3]. The 17 writes are split as follows [0, 3, 3, 7, 4]. [2023-11-29 05:19:55,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:19:55,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:19:55,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:19:55,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:19:55,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (1/1) ... [2023-11-29 05:19:55,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:19:55,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:19:55,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:19:55,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:19:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:19:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-29 05:19:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-29 05:19:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-29 05:19:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-29 05:19:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-29 05:19:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-29 05:19:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-29 05:19:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-11-29 05:19:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-11-29 05:19:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-11-29 05:19:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:19:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 05:19:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-29 05:19:55,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-29 05:19:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-29 05:19:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-29 05:19:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-29 05:19:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-29 05:19:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-29 05:19:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-29 05:19:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-29 05:19:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-29 05:19:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-11-29 05:19:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-11-29 05:19:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-11-29 05:19:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-29 05:19:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-29 05:19:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-29 05:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-29 05:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-29 05:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-29 05:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-29 05:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-29 05:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-29 05:19:55,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-29 05:19:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:19:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:19:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:19:55,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:19:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-29 05:19:55,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-29 05:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-29 05:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-29 05:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-29 05:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-29 05:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-29 05:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-11-29 05:19:55,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-11-29 05:19:55,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-11-29 05:19:55,716 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:19:55,719 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:19:59,991 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:20:00,065 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:20:00,066 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:20:00,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:20:00 BoogieIcfgContainer [2023-11-29 05:20:00,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:20:00,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:20:00,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:20:00,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:20:00,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:19:55" (1/3) ... [2023-11-29 05:20:00,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c1392d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:20:00, skipping insertion in model container [2023-11-29 05:20:00,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:19:55" (2/3) ... [2023-11-29 05:20:00,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c1392d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:20:00, skipping insertion in model container [2023-11-29 05:20:00,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:20:00" (3/3) ... [2023-11-29 05:20:00,078 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-16.i [2023-11-29 05:20:00,095 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:20:00,095 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:20:00,147 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:20:00,153 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7bd8e05d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:20:00,153 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:20:00,158 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 80 states have internal predecessors, (113), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 05:20:00,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 05:20:00,175 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:20:00,176 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:20:00,177 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:20:00,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:20:00,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1708169915, now seen corresponding path program 1 times [2023-11-29 05:20:00,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:20:00,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1523881836] [2023-11-29 05:20:00,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:00,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:20:00,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:20:00,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:20:00,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 05:20:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:20:00,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:20:00,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:20:00,856 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2023-11-29 05:20:00,857 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:20:00,858 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:20:00,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1523881836] [2023-11-29 05:20:00,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1523881836] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:20:00,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:20:00,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:20:00,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211915629] [2023-11-29 05:20:00,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:20:00,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:20:00,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:20:00,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:20:00,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:20:00,902 INFO L87 Difference]: Start difference. First operand has 103 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 80 states have internal predecessors, (113), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:20:00,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:20:00,965 INFO L93 Difference]: Finished difference Result 199 states and 323 transitions. [2023-11-29 05:20:00,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:20:00,968 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 152 [2023-11-29 05:20:00,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:20:00,975 INFO L225 Difference]: With dead ends: 199 [2023-11-29 05:20:00,975 INFO L226 Difference]: Without dead ends: 97 [2023-11-29 05:20:00,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:20:00,985 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 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 [2023-11-29 05:20:00,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:20:01,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-29 05:20:01,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-29 05:20:01,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 74 states have (on average 1.3513513513513513) internal successors, (100), 74 states have internal predecessors, (100), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 05:20:01,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 142 transitions. [2023-11-29 05:20:01,038 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 142 transitions. Word has length 152 [2023-11-29 05:20:01,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:20:01,038 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 142 transitions. [2023-11-29 05:20:01,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:20:01,039 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 142 transitions. [2023-11-29 05:20:01,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 05:20:01,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:20:01,044 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:20:01,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:20:01,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:20:01,245 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:20:01,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:20:01,246 INFO L85 PathProgramCache]: Analyzing trace with hash -462829281, now seen corresponding path program 1 times [2023-11-29 05:20:01,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:20:01,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [373058170] [2023-11-29 05:20:01,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:01,247 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:20:01,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:20:01,248 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:20:01,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 05:20:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:20:01,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 05:20:02,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:20:02,245 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 15 treesize of output 1 [2023-11-29 05:20:02,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 68 treesize of output 32 [2023-11-29 05:20:04,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 113 treesize of output 65 [2023-11-29 05:20:04,410 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:20:04,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 77 [2023-11-29 05:20:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2023-11-29 05:20:04,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:20:04,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:20:04,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [373058170] [2023-11-29 05:20:04,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [373058170] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:20:04,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1131408657] [2023-11-29 05:20:04,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:04,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:20:04,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:20:04,831 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:20:04,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-29 05:20:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:20:07,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-29 05:20:07,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:20:07,611 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 15 treesize of output 1 [2023-11-29 05:20:08,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2023-11-29 05:20:13,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:20:13,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 151 treesize of output 90 [2023-11-29 05:20:15,519 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2023-11-29 05:20:15,519 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:20:15,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1131408657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:20:15,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:20:15,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 20 [2023-11-29 05:20:15,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243377695] [2023-11-29 05:20:15,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:20:15,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 05:20:15,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:20:15,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 05:20:15,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2023-11-29 05:20:15,523 INFO L87 Difference]: Start difference. First operand 97 states and 142 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 12 states have internal predecessors, (56), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-29 05:20:20,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:23,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:24,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:26,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:29,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:31,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:31,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:20:31,908 INFO L93 Difference]: Finished difference Result 384 states and 559 transitions. [2023-11-29 05:20:31,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-29 05:20:31,909 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 12 states have internal predecessors, (56), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 152 [2023-11-29 05:20:31,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:20:31,912 INFO L225 Difference]: With dead ends: 384 [2023-11-29 05:20:31,913 INFO L226 Difference]: Without dead ends: 288 [2023-11-29 05:20:31,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=148, Invalid=554, Unknown=0, NotChecked=0, Total=702 [2023-11-29 05:20:31,915 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 548 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:20:31,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 899 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 15.8s Time] [2023-11-29 05:20:31,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-11-29 05:20:31,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 274. [2023-11-29 05:20:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 207 states have (on average 1.3381642512077294) internal successors, (277), 209 states have internal predecessors, (277), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 05:20:31,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 401 transitions. [2023-11-29 05:20:31,961 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 401 transitions. Word has length 152 [2023-11-29 05:20:31,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:20:31,962 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 401 transitions. [2023-11-29 05:20:31,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 12 states have internal predecessors, (56), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-29 05:20:31,963 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 401 transitions. [2023-11-29 05:20:31,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 05:20:31,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:20:31,968 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:20:31,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 05:20:32,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-29 05:20:32,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 05:20:32,371 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:20:32,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:20:32,371 INFO L85 PathProgramCache]: Analyzing trace with hash 2110135329, now seen corresponding path program 1 times [2023-11-29 05:20:32,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:20:32,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2123654173] [2023-11-29 05:20:32,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:32,372 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:20:32,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:20:32,374 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:20:32,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 05:20:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:20:32,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:20:32,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:20:32,854 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 520 trivial. 0 not checked. [2023-11-29 05:20:32,854 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:20:32,854 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:20:32,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2123654173] [2023-11-29 05:20:32,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2123654173] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:20:32,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:20:32,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:20:32,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726500412] [2023-11-29 05:20:32,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:20:32,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:20:32,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:20:32,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:20:32,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:20:32,857 INFO L87 Difference]: Start difference. First operand 274 states and 401 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:20:32,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:20:32,970 INFO L93 Difference]: Finished difference Result 557 states and 816 transitions. [2023-11-29 05:20:32,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:20:32,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 152 [2023-11-29 05:20:32,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:20:32,976 INFO L225 Difference]: With dead ends: 557 [2023-11-29 05:20:32,976 INFO L226 Difference]: Without dead ends: 284 [2023-11-29 05:20:32,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:20:32,980 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 7 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:20:32,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 411 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:20:32,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2023-11-29 05:20:33,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 276. [2023-11-29 05:20:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 209 states have (on average 1.3301435406698565) internal successors, (278), 211 states have internal predecessors, (278), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 05:20:33,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 402 transitions. [2023-11-29 05:20:33,031 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 402 transitions. Word has length 152 [2023-11-29 05:20:33,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:20:33,032 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 402 transitions. [2023-11-29 05:20:33,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:20:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 402 transitions. [2023-11-29 05:20:33,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-29 05:20:33,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:20:33,037 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:20:33,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-29 05:20:33,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:20:33,241 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:20:33,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:20:33,241 INFO L85 PathProgramCache]: Analyzing trace with hash -892487587, now seen corresponding path program 1 times [2023-11-29 05:20:33,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:20:33,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877448337] [2023-11-29 05:20:33,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:33,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:20:33,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:20:33,243 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:20:33,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 05:20:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:20:33,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:20:33,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:20:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2023-11-29 05:20:33,782 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:20:33,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:20:33,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877448337] [2023-11-29 05:20:33,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877448337] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:20:33,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:20:33,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:20:33,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759784070] [2023-11-29 05:20:33,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:20:33,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:20:33,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:20:33,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:20:33,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:20:33,785 INFO L87 Difference]: Start difference. First operand 276 states and 402 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:20:33,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:20:33,880 INFO L93 Difference]: Finished difference Result 555 states and 809 transitions. [2023-11-29 05:20:33,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:20:33,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 152 [2023-11-29 05:20:33,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:20:33,884 INFO L225 Difference]: With dead ends: 555 [2023-11-29 05:20:33,884 INFO L226 Difference]: Without dead ends: 280 [2023-11-29 05:20:33,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:20:33,886 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 7 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:20:33,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 411 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:20:33,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-11-29 05:20:33,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 276. [2023-11-29 05:20:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 209 states have (on average 1.325358851674641) internal successors, (277), 211 states have internal predecessors, (277), 62 states have call successors, (62), 4 states have call predecessors, (62), 4 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-29 05:20:33,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 401 transitions. [2023-11-29 05:20:33,917 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 401 transitions. Word has length 152 [2023-11-29 05:20:33,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:20:33,917 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 401 transitions. [2023-11-29 05:20:33,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:20:33,918 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 401 transitions. [2023-11-29 05:20:33,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-29 05:20:33,921 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:20:33,921 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:20:33,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 05:20:34,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:20:34,122 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:20:34,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:20:34,122 INFO L85 PathProgramCache]: Analyzing trace with hash 875294373, now seen corresponding path program 1 times [2023-11-29 05:20:34,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:20:34,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929459977] [2023-11-29 05:20:34,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:34,123 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:20:34,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:20:34,124 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:20:34,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 05:20:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:20:34,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 05:20:34,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:20:34,819 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 15 treesize of output 1 [2023-11-29 05:20:35,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 68 treesize of output 32 [2023-11-29 05:20:36,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 113 treesize of output 65 [2023-11-29 05:20:36,307 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:20:36,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 77 [2023-11-29 05:20:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2023-11-29 05:20:36,387 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:20:36,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:20:36,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929459977] [2023-11-29 05:20:36,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [929459977] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:20:36,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1630699723] [2023-11-29 05:20:36,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:36,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:20:36,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:20:36,594 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:20:36,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-29 05:20:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:20:39,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 05:20:39,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:20:39,733 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 15 treesize of output 1 [2023-11-29 05:20:40,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 32 [2023-11-29 05:20:41,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 59 [2023-11-29 05:20:42,192 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:20:42,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 77 [2023-11-29 05:20:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2023-11-29 05:20:42,226 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:20:42,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1630699723] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:20:42,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:20:42,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2023-11-29 05:20:42,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517349469] [2023-11-29 05:20:42,381 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:20:42,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 05:20:42,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:20:42,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 05:20:42,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2023-11-29 05:20:42,383 INFO L87 Difference]: Start difference. First operand 276 states and 401 transitions. Second operand has 16 states, 16 states have (on average 6.4375) internal successors, (103), 15 states have internal predecessors, (103), 4 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2023-11-29 05:20:45,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:48,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:51,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:54,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:57,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:58,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:20:59,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:20:59,237 INFO L93 Difference]: Finished difference Result 600 states and 870 transitions. [2023-11-29 05:20:59,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 05:20:59,239 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.4375) internal successors, (103), 15 states have internal predecessors, (103), 4 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 154 [2023-11-29 05:20:59,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:20:59,243 INFO L225 Difference]: With dead ends: 600 [2023-11-29 05:20:59,243 INFO L226 Difference]: Without dead ends: 325 [2023-11-29 05:20:59,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 329 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=156, Invalid=546, Unknown=0, NotChecked=0, Total=702 [2023-11-29 05:20:59,245 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 661 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:20:59,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 889 Invalid, 742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 16.3s Time] [2023-11-29 05:20:59,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2023-11-29 05:20:59,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 240. [2023-11-29 05:20:59,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 177 states have (on average 1.2937853107344632) internal successors, (229), 178 states have internal predecessors, (229), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 05:20:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 345 transitions. [2023-11-29 05:20:59,277 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 345 transitions. Word has length 154 [2023-11-29 05:20:59,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:20:59,278 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 345 transitions. [2023-11-29 05:20:59,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.4375) internal successors, (103), 15 states have internal predecessors, (103), 4 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2023-11-29 05:20:59,279 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 345 transitions. [2023-11-29 05:20:59,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-29 05:20:59,281 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:20:59,282 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:20:59,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 05:20:59,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-29 05:20:59,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 05:20:59,683 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:20:59,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:20:59,683 INFO L85 PathProgramCache]: Analyzing trace with hash 65947747, now seen corresponding path program 1 times [2023-11-29 05:20:59,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:20:59,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295179389] [2023-11-29 05:20:59,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:20:59,684 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:20:59,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:20:59,685 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:20:59,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-29 05:21:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:00,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:21:00,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:00,147 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:21:00,148 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:00,148 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:00,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295179389] [2023-11-29 05:21:00,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295179389] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:00,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:00,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:21:00,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919078502] [2023-11-29 05:21:00,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:00,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:21:00,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:00,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:21:00,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:21:00,150 INFO L87 Difference]: Start difference. First operand 240 states and 345 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:21:00,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:00,219 INFO L93 Difference]: Finished difference Result 477 states and 686 transitions. [2023-11-29 05:21:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:21:00,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 154 [2023-11-29 05:21:00,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:00,222 INFO L225 Difference]: With dead ends: 477 [2023-11-29 05:21:00,222 INFO L226 Difference]: Without dead ends: 238 [2023-11-29 05:21:00,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:21:00,223 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 30 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:00,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 373 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:21:00,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-29 05:21:00,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2023-11-29 05:21:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 175 states have (on average 1.28) internal successors, (224), 176 states have internal predecessors, (224), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 05:21:00,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 340 transitions. [2023-11-29 05:21:00,249 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 340 transitions. Word has length 154 [2023-11-29 05:21:00,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:00,249 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 340 transitions. [2023-11-29 05:21:00,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:21:00,250 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 340 transitions. [2023-11-29 05:21:00,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-29 05:21:00,253 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:00,253 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:00,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2023-11-29 05:21:00,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:00,454 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:00,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:00,454 INFO L85 PathProgramCache]: Analyzing trace with hash -298536485, now seen corresponding path program 1 times [2023-11-29 05:21:00,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:00,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111899485] [2023-11-29 05:21:00,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:00,455 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:00,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:00,456 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:00,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-29 05:21:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:00,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:21:00,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:00,950 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2023-11-29 05:21:00,950 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:00,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:00,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111899485] [2023-11-29 05:21:00,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111899485] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:00,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:00,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:21:00,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792839163] [2023-11-29 05:21:00,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:00,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:21:00,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:00,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:21:00,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:21:00,952 INFO L87 Difference]: Start difference. First operand 238 states and 340 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-29 05:21:01,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:01,295 INFO L93 Difference]: Finished difference Result 485 states and 690 transitions. [2023-11-29 05:21:01,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:21:01,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 154 [2023-11-29 05:21:01,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:01,298 INFO L225 Difference]: With dead ends: 485 [2023-11-29 05:21:01,298 INFO L226 Difference]: Without dead ends: 246 [2023-11-29 05:21:01,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:21:01,300 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 6 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:01,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 517 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:21:01,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2023-11-29 05:21:01,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2023-11-29 05:21:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 175 states have (on average 1.2742857142857142) internal successors, (223), 176 states have internal predecessors, (223), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-29 05:21:01,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 339 transitions. [2023-11-29 05:21:01,328 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 339 transitions. Word has length 154 [2023-11-29 05:21:01,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:01,328 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 339 transitions. [2023-11-29 05:21:01,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-29 05:21:01,328 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 339 transitions. [2023-11-29 05:21:01,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-29 05:21:01,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:01,330 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:01,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-29 05:21:01,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:01,531 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:01,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:01,531 INFO L85 PathProgramCache]: Analyzing trace with hash 408060121, now seen corresponding path program 1 times [2023-11-29 05:21:01,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:01,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326169514] [2023-11-29 05:21:01,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:01,532 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:01,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:01,533 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:01,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-29 05:21:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:02,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 05:21:02,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:02,198 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 15 treesize of output 1 [2023-11-29 05:21:02,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 66 treesize of output 30 [2023-11-29 05:21:03,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 111 treesize of output 63 [2023-11-29 05:21:03,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:21:03,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 189 treesize of output 75 [2023-11-29 05:21:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 16 proven. 320 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2023-11-29 05:21:03,802 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:21:04,015 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:04,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1326169514] [2023-11-29 05:21:04,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1326169514] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:21:04,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [45214184] [2023-11-29 05:21:04,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:04,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:21:04,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:21:04,017 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:21:04,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-29 05:21:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:06,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-29 05:21:06,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:06,742 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 15 treesize of output 1 [2023-11-29 05:21:08,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30 [2023-11-29 05:21:11,708 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:21:11,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 125 treesize of output 76 [2023-11-29 05:21:12,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:21:12,069 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 195 treesize of output 87 [2023-11-29 05:21:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 16 proven. 320 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2023-11-29 05:21:12,101 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:21:12,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [45214184] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:21:12,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:21:12,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 26 [2023-11-29 05:21:12,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897046744] [2023-11-29 05:21:12,246 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:21:12,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-29 05:21:12,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:12,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-29 05:21:12,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=674, Unknown=0, NotChecked=0, Total=812 [2023-11-29 05:21:12,249 INFO L87 Difference]: Start difference. First operand 238 states and 339 transitions. Second operand has 27 states, 25 states have (on average 4.36) internal successors, (109), 24 states have internal predecessors, (109), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 5 states have call predecessors, (42), 6 states have call successors, (42) [2023-11-29 05:21:25,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:21:30,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:21:32,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:21:33,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:21:35,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:21:40,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-29 05:21:42,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:42,637 INFO L93 Difference]: Finished difference Result 603 states and 844 transitions. [2023-11-29 05:21:42,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-11-29 05:21:42,638 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 4.36) internal successors, (109), 24 states have internal predecessors, (109), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 5 states have call predecessors, (42), 6 states have call successors, (42) Word has length 154 [2023-11-29 05:21:42,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:42,641 INFO L225 Difference]: With dead ends: 603 [2023-11-29 05:21:42,641 INFO L226 Difference]: Without dead ends: 366 [2023-11-29 05:21:42,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 318 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=682, Invalid=3100, Unknown=0, NotChecked=0, Total=3782 [2023-11-29 05:21:42,643 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 737 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 1766 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 1943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:42,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 1478 Invalid, 1943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1766 Invalid, 0 Unknown, 0 Unchecked, 25.9s Time] [2023-11-29 05:21:42,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2023-11-29 05:21:42,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 239. [2023-11-29 05:21:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 158 states have (on average 1.1835443037974684) internal successors, (187), 161 states have internal predecessors, (187), 74 states have call successors, (74), 6 states have call predecessors, (74), 6 states have return successors, (74), 71 states have call predecessors, (74), 74 states have call successors, (74) [2023-11-29 05:21:42,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 335 transitions. [2023-11-29 05:21:42,669 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 335 transitions. Word has length 154 [2023-11-29 05:21:42,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:42,670 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 335 transitions. [2023-11-29 05:21:42,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 4.36) internal successors, (109), 24 states have internal predecessors, (109), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 5 states have call predecessors, (42), 6 states have call successors, (42) [2023-11-29 05:21:42,670 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 335 transitions. [2023-11-29 05:21:42,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-29 05:21:42,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:42,672 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:42,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-11-29 05:21:42,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-29 05:21:43,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:43,073 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:43,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:43,073 INFO L85 PathProgramCache]: Analyzing trace with hash -915923481, now seen corresponding path program 1 times [2023-11-29 05:21:43,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:43,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954247539] [2023-11-29 05:21:43,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:43,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:43,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:43,075 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:43,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-29 05:21:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:43,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:21:43,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:21:43,757 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:43,757 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:43,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954247539] [2023-11-29 05:21:43,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954247539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:43,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:43,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:21:43,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311585246] [2023-11-29 05:21:43,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:43,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:21:43,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:43,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:21:43,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:21:43,759 INFO L87 Difference]: Start difference. First operand 239 states and 335 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:21:43,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:43,872 INFO L93 Difference]: Finished difference Result 478 states and 670 transitions. [2023-11-29 05:21:43,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:21:43,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 156 [2023-11-29 05:21:43,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:43,875 INFO L225 Difference]: With dead ends: 478 [2023-11-29 05:21:43,875 INFO L226 Difference]: Without dead ends: 248 [2023-11-29 05:21:43,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:21:43,877 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 49 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:43,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 502 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:21:43,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-11-29 05:21:43,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 242. [2023-11-29 05:21:43,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 161 states have (on average 1.1801242236024845) internal successors, (190), 164 states have internal predecessors, (190), 74 states have call successors, (74), 6 states have call predecessors, (74), 6 states have return successors, (74), 71 states have call predecessors, (74), 74 states have call successors, (74) [2023-11-29 05:21:43,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 338 transitions. [2023-11-29 05:21:43,907 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 338 transitions. Word has length 156 [2023-11-29 05:21:43,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:43,908 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 338 transitions. [2023-11-29 05:21:43,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:21:43,908 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 338 transitions. [2023-11-29 05:21:43,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-29 05:21:43,910 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:43,910 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:43,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2023-11-29 05:21:44,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:44,111 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:44,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:44,111 INFO L85 PathProgramCache]: Analyzing trace with hash -427939653, now seen corresponding path program 1 times [2023-11-29 05:21:44,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:44,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049121608] [2023-11-29 05:21:44,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:44,112 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:44,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:44,113 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:44,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-29 05:21:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:44,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:21:44,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:44,747 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 12 treesize of output 8 [2023-11-29 05:21:44,820 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 [2023-11-29 05:21:44,869 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:21:44,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:44,870 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:44,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049121608] [2023-11-29 05:21:44,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049121608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:44,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:44,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 05:21:44,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823958582] [2023-11-29 05:21:44,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:44,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:21:44,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:44,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:21:44,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:21:44,872 INFO L87 Difference]: Start difference. First operand 242 states and 338 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:21:45,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:45,246 INFO L93 Difference]: Finished difference Result 481 states and 669 transitions. [2023-11-29 05:21:45,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:21:45,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 158 [2023-11-29 05:21:45,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:45,251 INFO L225 Difference]: With dead ends: 481 [2023-11-29 05:21:45,251 INFO L226 Difference]: Without dead ends: 479 [2023-11-29 05:21:45,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:21:45,251 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 141 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:45,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 940 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 05:21:45,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2023-11-29 05:21:45,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 441. [2023-11-29 05:21:45,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 301 states have (on average 1.1926910299003322) internal successors, (359), 305 states have internal predecessors, (359), 128 states have call successors, (128), 11 states have call predecessors, (128), 11 states have return successors, (128), 124 states have call predecessors, (128), 128 states have call successors, (128) [2023-11-29 05:21:45,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 615 transitions. [2023-11-29 05:21:45,305 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 615 transitions. Word has length 158 [2023-11-29 05:21:45,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:45,305 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 615 transitions. [2023-11-29 05:21:45,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:21:45,306 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 615 transitions. [2023-11-29 05:21:45,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-29 05:21:45,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:45,308 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:45,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2023-11-29 05:21:45,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:45,510 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:45,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:45,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1576464136, now seen corresponding path program 1 times [2023-11-29 05:21:45,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:45,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [799238090] [2023-11-29 05:21:45,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:45,511 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:45,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:45,511 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:45,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-29 05:21:46,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:46,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:21:46,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:46,338 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:21:46,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 16 [2023-11-29 05:21:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:21:46,423 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:46,423 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:46,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [799238090] [2023-11-29 05:21:46,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [799238090] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:46,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:46,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:21:46,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056978639] [2023-11-29 05:21:46,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:46,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:21:46,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:46,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:21:46,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:21:46,425 INFO L87 Difference]: Start difference. First operand 441 states and 615 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:21:47,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:47,620 INFO L93 Difference]: Finished difference Result 1071 states and 1471 transitions. [2023-11-29 05:21:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:21:47,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 159 [2023-11-29 05:21:47,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:47,626 INFO L225 Difference]: With dead ends: 1071 [2023-11-29 05:21:47,626 INFO L226 Difference]: Without dead ends: 639 [2023-11-29 05:21:47,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:21:47,628 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 84 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:47,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 678 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 05:21:47,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2023-11-29 05:21:47,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 627. [2023-11-29 05:21:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 441 states have (on average 1.1972789115646258) internal successors, (528), 451 states have internal predecessors, (528), 164 states have call successors, (164), 21 states have call predecessors, (164), 21 states have return successors, (164), 154 states have call predecessors, (164), 164 states have call successors, (164) [2023-11-29 05:21:47,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 856 transitions. [2023-11-29 05:21:47,681 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 856 transitions. Word has length 159 [2023-11-29 05:21:47,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:47,681 INFO L495 AbstractCegarLoop]: Abstraction has 627 states and 856 transitions. [2023-11-29 05:21:47,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:21:47,681 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 856 transitions. [2023-11-29 05:21:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 05:21:47,683 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:47,683 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:47,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2023-11-29 05:21:47,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:47,883 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:47,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:47,884 INFO L85 PathProgramCache]: Analyzing trace with hash 935997492, now seen corresponding path program 1 times [2023-11-29 05:21:47,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:47,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905745512] [2023-11-29 05:21:47,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:47,885 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:47,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:47,886 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:47,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-11-29 05:21:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:48,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:21:48,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:48,701 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 05:21:48,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 17 [2023-11-29 05:21:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:21:48,760 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:48,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:48,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [905745512] [2023-11-29 05:21:48,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [905745512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:48,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:48,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 05:21:48,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261137446] [2023-11-29 05:21:48,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:48,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:21:48,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:48,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:21:48,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:21:48,762 INFO L87 Difference]: Start difference. First operand 627 states and 856 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:21:49,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:49,404 INFO L93 Difference]: Finished difference Result 1220 states and 1639 transitions. [2023-11-29 05:21:49,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 05:21:49,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 161 [2023-11-29 05:21:49,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:49,410 INFO L225 Difference]: With dead ends: 1220 [2023-11-29 05:21:49,410 INFO L226 Difference]: Without dead ends: 660 [2023-11-29 05:21:49,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:21:49,413 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 74 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:49,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 435 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:21:49,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2023-11-29 05:21:49,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 256. [2023-11-29 05:21:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 195 states have (on average 1.2256410256410257) internal successors, (239), 197 states have internal predecessors, (239), 51 states have call successors, (51), 9 states have call predecessors, (51), 9 states have return successors, (51), 49 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-29 05:21:49,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 341 transitions. [2023-11-29 05:21:49,456 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 341 transitions. Word has length 161 [2023-11-29 05:21:49,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:49,457 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 341 transitions. [2023-11-29 05:21:49,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:21:49,457 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 341 transitions. [2023-11-29 05:21:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 05:21:49,458 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:49,458 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:49,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-11-29 05:21:49,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:49,659 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:49,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:49,659 INFO L85 PathProgramCache]: Analyzing trace with hash -613982638, now seen corresponding path program 1 times [2023-11-29 05:21:49,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:49,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51254715] [2023-11-29 05:21:49,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:49,660 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:49,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:49,661 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:49,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-11-29 05:21:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:21:50,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:21:50,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:21:50,330 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:21:50,330 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:21:50,330 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:21:50,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51254715] [2023-11-29 05:21:50,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [51254715] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:21:50,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:21:50,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:21:50,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412167914] [2023-11-29 05:21:50,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:21:50,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:21:50,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:21:50,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:21:50,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:50,332 INFO L87 Difference]: Start difference. First operand 256 states and 341 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:21:51,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-29 05:21:51,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:21:51,754 INFO L93 Difference]: Finished difference Result 490 states and 654 transitions. [2023-11-29 05:21:51,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:21:51,755 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 161 [2023-11-29 05:21:51,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:21:51,757 INFO L225 Difference]: With dead ends: 490 [2023-11-29 05:21:51,757 INFO L226 Difference]: Without dead ends: 275 [2023-11-29 05:21:51,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:21:51,758 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 17 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:21:51,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 271 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 05:21:51,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2023-11-29 05:21:51,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 258. [2023-11-29 05:21:51,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 197 states have (on average 1.2233502538071066) internal successors, (241), 199 states have internal predecessors, (241), 51 states have call successors, (51), 9 states have call predecessors, (51), 9 states have return successors, (51), 49 states have call predecessors, (51), 51 states have call successors, (51) [2023-11-29 05:21:51,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 343 transitions. [2023-11-29 05:21:51,786 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 343 transitions. Word has length 161 [2023-11-29 05:21:51,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:21:51,786 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 343 transitions. [2023-11-29 05:21:51,787 INFO L496 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:21:51,787 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 343 transitions. [2023-11-29 05:21:51,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-29 05:21:51,788 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:21:51,788 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:21:51,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2023-11-29 05:21:51,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:51,989 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:21:51,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:21:51,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1736436059, now seen corresponding path program 1 times [2023-11-29 05:21:51,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:21:51,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815031810] [2023-11-29 05:21:51,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:21:51,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 05:21:51,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:21:51,991 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 05:21:51,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17cbcbea-0188-44d1-90ad-6937b6c81322/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process