/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 14:59:15,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 14:59:15,412 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 14:59:15,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 14:59:15,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 14:59:15,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 14:59:15,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 14:59:15,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 14:59:15,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 14:59:15,440 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 14:59:15,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 14:59:15,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 14:59:15,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 14:59:15,442 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 14:59:15,443 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 14:59:15,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 14:59:15,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 14:59:15,443 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 14:59:15,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 14:59:15,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 14:59:15,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 14:59:15,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 14:59:15,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 14:59:15,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 14:59:15,444 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 14:59:15,445 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 14:59:15,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 14:59:15,445 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 14:59:15,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 14:59:15,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 14:59:15,446 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 14:59:15,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 14:59:15,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 14:59:15,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 14:59:15,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 14:59:15,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 14:59:15,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 14:59:15,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 14:59:15,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 14:59:15,447 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 14:59:15,447 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 14:59:15,448 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 14:59:15,448 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 14:59:15,448 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 14:59:15,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 14:59:15,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 14:59:15,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 14:59:15,649 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 14:59:15,649 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 14:59:15,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2023-12-19 14:59:16,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 14:59:16,833 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 14:59:16,833 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i [2023-12-19 14:59:16,841 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1715f4a67/00cc9a0538a841169972df33e3af5f17/FLAGe22a5dac7 [2023-12-19 14:59:16,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1715f4a67/00cc9a0538a841169972df33e3af5f17 [2023-12-19 14:59:16,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 14:59:16,857 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 14:59:16,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 14:59:16,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 14:59:16,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 14:59:16,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:59:16" (1/1) ... [2023-12-19 14:59:16,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76db5e1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:16, skipping insertion in model container [2023-12-19 14:59:16,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:59:16" (1/1) ... [2023-12-19 14:59:16,888 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 14:59:16,982 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2023-12-19 14:59:17,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 14:59:17,052 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 14:59:17,067 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-21.i[916,929] [2023-12-19 14:59:17,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 14:59:17,110 INFO L206 MainTranslator]: Completed translation [2023-12-19 14:59:17,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17 WrapperNode [2023-12-19 14:59:17,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 14:59:17,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 14:59:17,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 14:59:17,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 14:59:17,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (1/1) ... [2023-12-19 14:59:17,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (1/1) ... [2023-12-19 14:59:17,168 INFO L138 Inliner]: procedures = 29, calls = 114, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 403 [2023-12-19 14:59:17,168 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 14:59:17,169 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 14:59:17,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 14:59:17,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 14:59:17,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (1/1) ... [2023-12-19 14:59:17,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (1/1) ... [2023-12-19 14:59:17,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (1/1) ... [2023-12-19 14:59:17,203 INFO L175 MemorySlicer]: Split 91 memory accesses to 6 slices as follows [2, 14, 34, 16, 6, 19]. 37 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 2, 3, 2, 1, 1]. The 12 writes are split as follows [0, 3, 3, 2, 2, 2]. [2023-12-19 14:59:17,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (1/1) ... [2023-12-19 14:59:17,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (1/1) ... [2023-12-19 14:59:17,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (1/1) ... [2023-12-19 14:59:17,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (1/1) ... [2023-12-19 14:59:17,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (1/1) ... [2023-12-19 14:59:17,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (1/1) ... [2023-12-19 14:59:17,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 14:59:17,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 14:59:17,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 14:59:17,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 14:59:17,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (1/1) ... [2023-12-19 14:59:17,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 14:59:17,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:17,263 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-19 14:59:17,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-19 14:59:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 14:59:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-19 14:59:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-19 14:59:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-12-19 14:59:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-12-19 14:59:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-12-19 14:59:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-12-19 14:59:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-19 14:59:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-19 14:59:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-19 14:59:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-19 14:59:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-19 14:59:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-19 14:59:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-19 14:59:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-12-19 14:59:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-12-19 14:59:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-12-19 14:59:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-12-19 14:59:17,294 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 14:59:17,294 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 14:59:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 14:59:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 14:59:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-19 14:59:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-19 14:59:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-19 14:59:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-19 14:59:17,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 14:59:17,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 14:59:17,408 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 14:59:17,409 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 14:59:17,762 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 14:59:17,793 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 14:59:17,794 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 14:59:17,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:59:17 BoogieIcfgContainer [2023-12-19 14:59:17,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 14:59:17,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 14:59:17,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 14:59:17,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 14:59:17,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 02:59:16" (1/3) ... [2023-12-19 14:59:17,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663352dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:59:17, skipping insertion in model container [2023-12-19 14:59:17,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:59:17" (2/3) ... [2023-12-19 14:59:17,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663352dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:59:17, skipping insertion in model container [2023-12-19 14:59:17,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:59:17" (3/3) ... [2023-12-19 14:59:17,800 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-21.i [2023-12-19 14:59:17,812 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 14:59:17,812 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 14:59:17,857 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 14:59:17,862 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;@24a3e9d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 14:59:17,862 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 14:59:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 14:59:17,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-19 14:59:17,886 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:17,887 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:17,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:17,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:17,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1813158106, now seen corresponding path program 1 times [2023-12-19 14:59:17,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:17,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629198269] [2023-12-19 14:59:17,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:17,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:18,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:18,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629198269] [2023-12-19 14:59:18,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 14:59:18,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004818522] [2023-12-19 14:59:18,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:18,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:18,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:18,051 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:18,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 14:59:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:18,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 14:59:18,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:18,260 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-19 14:59:18,260 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:59:18,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004818522] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:59:18,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:59:18,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 14:59:18,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240213642] [2023-12-19 14:59:18,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:59:18,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 14:59:18,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:18,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 14:59:18,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 14:59:18,284 INFO L87 Difference]: Start difference. First operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-19 14:59:18,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:18,315 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2023-12-19 14:59:18,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 14:59:18,319 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2023-12-19 14:59:18,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:18,325 INFO L225 Difference]: With dead ends: 175 [2023-12-19 14:59:18,326 INFO L226 Difference]: Without dead ends: 87 [2023-12-19 14:59:18,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 14:59:18,332 INFO L413 NwaCegarLoop]: 126 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, 126 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 [2023-12-19 14:59:18,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:59:18,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-12-19 14:59:18,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-12-19 14:59:18,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 78 states have (on average 1.4871794871794872) internal successors, (116), 78 states have internal predecessors, (116), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 14:59:18,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2023-12-19 14:59:18,374 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 75 [2023-12-19 14:59:18,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:18,374 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2023-12-19 14:59:18,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-19 14:59:18,375 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2023-12-19 14:59:18,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-19 14:59:18,379 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:18,379 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:18,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:18,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-19 14:59:18,586 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:18,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:18,587 INFO L85 PathProgramCache]: Analyzing trace with hash -944939288, now seen corresponding path program 1 times [2023-12-19 14:59:18,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:18,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289490972] [2023-12-19 14:59:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:18,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:18,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:18,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289490972] [2023-12-19 14:59:18,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 14:59:18,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680781173] [2023-12-19 14:59:18,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:18,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:18,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:18,653 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:18,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 14:59:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:18,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 14:59:18,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-19 14:59:18,830 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:59:18,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680781173] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:59:18,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:59:18,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 14:59:18,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463433184] [2023-12-19 14:59:18,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:59:18,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 14:59:18,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:18,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 14:59:18,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 14:59:18,833 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-19 14:59:18,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:18,886 INFO L93 Difference]: Finished difference Result 179 states and 268 transitions. [2023-12-19 14:59:18,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 14:59:18,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2023-12-19 14:59:18,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:18,889 INFO L225 Difference]: With dead ends: 179 [2023-12-19 14:59:18,889 INFO L226 Difference]: Without dead ends: 93 [2023-12-19 14:59:18,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 14:59:18,891 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 10 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:59:18,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 370 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:59:18,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-19 14:59:18,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2023-12-19 14:59:18,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 80 states have (on average 1.475) internal successors, (118), 80 states have internal predecessors, (118), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 14:59:18,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 132 transitions. [2023-12-19 14:59:18,905 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 132 transitions. Word has length 75 [2023-12-19 14:59:18,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:18,905 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 132 transitions. [2023-12-19 14:59:18,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-19 14:59:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 132 transitions. [2023-12-19 14:59:18,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-19 14:59:18,909 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:18,909 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:18,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-19 14:59:19,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-19 14:59:19,116 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:19,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:19,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1388453350, now seen corresponding path program 1 times [2023-12-19 14:59:19,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:19,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590396381] [2023-12-19 14:59:19,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:19,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:19,154 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:59:19,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [303493885] [2023-12-19 14:59:19,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:19,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:19,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:19,156 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:19,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 14:59:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:19,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-19 14:59:19,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:19,457 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 11 treesize of output 7 [2023-12-19 14:59:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-19 14:59:19,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 14:59:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 14:59:19,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:19,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590396381] [2023-12-19 14:59:19,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:59:19,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303493885] [2023-12-19 14:59:19,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303493885] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 14:59:19,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 14:59:19,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-12-19 14:59:19,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469986754] [2023-12-19 14:59:19,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:59:19,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 14:59:19,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:19,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 14:59:19,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-12-19 14:59:19,566 INFO L87 Difference]: Start difference. First operand 89 states and 132 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:19,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:19,703 INFO L93 Difference]: Finished difference Result 235 states and 349 transitions. [2023-12-19 14:59:19,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 14:59:19,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 75 [2023-12-19 14:59:19,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:19,704 INFO L225 Difference]: With dead ends: 235 [2023-12-19 14:59:19,704 INFO L226 Difference]: Without dead ends: 147 [2023-12-19 14:59:19,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-12-19 14:59:19,706 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 110 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 14:59:19,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 490 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 14:59:19,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-12-19 14:59:19,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 104. [2023-12-19 14:59:19,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 95 states have (on average 1.4842105263157894) internal successors, (141), 95 states have internal predecessors, (141), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 14:59:19,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 155 transitions. [2023-12-19 14:59:19,713 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 155 transitions. Word has length 75 [2023-12-19 14:59:19,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:19,713 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 155 transitions. [2023-12-19 14:59:19,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:19,713 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2023-12-19 14:59:19,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-19 14:59:19,714 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:19,714 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:19,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:19,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:19,921 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:19,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:19,921 INFO L85 PathProgramCache]: Analyzing trace with hash -157561993, now seen corresponding path program 1 times [2023-12-19 14:59:19,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:19,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9661477] [2023-12-19 14:59:19,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:19,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:19,949 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:59:19,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455505159] [2023-12-19 14:59:19,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:19,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:19,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:19,950 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:19,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 14:59:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:20,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 14:59:20,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 14:59:20,128 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:59:20,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:20,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9661477] [2023-12-19 14:59:20,128 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:59:20,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455505159] [2023-12-19 14:59:20,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455505159] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:59:20,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:59:20,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 14:59:20,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921231267] [2023-12-19 14:59:20,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:59:20,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 14:59:20,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:20,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 14:59:20,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 14:59:20,131 INFO L87 Difference]: Start difference. First operand 104 states and 155 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:20,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:20,156 INFO L93 Difference]: Finished difference Result 241 states and 359 transitions. [2023-12-19 14:59:20,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 14:59:20,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 76 [2023-12-19 14:59:20,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:20,158 INFO L225 Difference]: With dead ends: 241 [2023-12-19 14:59:20,158 INFO L226 Difference]: Without dead ends: 138 [2023-12-19 14:59:20,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 14:59:20,160 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 52 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:59:20,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 261 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:59:20,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-19 14:59:20,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 104. [2023-12-19 14:59:20,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 95 states have (on average 1.4736842105263157) internal successors, (140), 95 states have internal predecessors, (140), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 14:59:20,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 154 transitions. [2023-12-19 14:59:20,165 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 154 transitions. Word has length 76 [2023-12-19 14:59:20,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:20,166 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 154 transitions. [2023-12-19 14:59:20,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:20,166 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 154 transitions. [2023-12-19 14:59:20,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-19 14:59:20,166 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:20,167 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:20,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:20,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:20,372 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:20,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:20,373 INFO L85 PathProgramCache]: Analyzing trace with hash 384971668, now seen corresponding path program 1 times [2023-12-19 14:59:20,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:20,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915744222] [2023-12-19 14:59:20,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:20,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:20,408 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:59:20,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1352259996] [2023-12-19 14:59:20,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:20,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:20,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:20,415 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:20,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 14:59:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:20,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 14:59:20,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:20,565 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 14:59:20,566 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:59:20,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:20,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915744222] [2023-12-19 14:59:20,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:59:20,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352259996] [2023-12-19 14:59:20,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352259996] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:59:20,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:59:20,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 14:59:20,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708589201] [2023-12-19 14:59:20,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:59:20,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 14:59:20,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:20,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 14:59:20,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 14:59:20,568 INFO L87 Difference]: Start difference. First operand 104 states and 154 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:20,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:20,588 INFO L93 Difference]: Finished difference Result 228 states and 336 transitions. [2023-12-19 14:59:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 14:59:20,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 77 [2023-12-19 14:59:20,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:20,589 INFO L225 Difference]: With dead ends: 228 [2023-12-19 14:59:20,589 INFO L226 Difference]: Without dead ends: 125 [2023-12-19 14:59:20,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 14:59:20,590 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 43 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:59:20,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 255 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:59:20,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-12-19 14:59:20,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 104. [2023-12-19 14:59:20,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 95 states have internal predecessors, (139), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 14:59:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 153 transitions. [2023-12-19 14:59:20,602 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 153 transitions. Word has length 77 [2023-12-19 14:59:20,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:20,603 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 153 transitions. [2023-12-19 14:59:20,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:20,604 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2023-12-19 14:59:20,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-19 14:59:20,604 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:20,605 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:20,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:20,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:20,813 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:20,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:20,814 INFO L85 PathProgramCache]: Analyzing trace with hash 722911461, now seen corresponding path program 1 times [2023-12-19 14:59:20,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:20,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542736697] [2023-12-19 14:59:20,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:20,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:20,843 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:59:20,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [613070963] [2023-12-19 14:59:20,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:20,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:20,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:20,845 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:20,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 14:59:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:20,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-19 14:59:20,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:20,968 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 14:59:20,968 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:59:20,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:20,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542736697] [2023-12-19 14:59:20,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:59:20,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613070963] [2023-12-19 14:59:20,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613070963] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:59:20,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:59:20,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 14:59:20,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506526620] [2023-12-19 14:59:20,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:59:20,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 14:59:20,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:20,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 14:59:20,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 14:59:20,970 INFO L87 Difference]: Start difference. First operand 104 states and 153 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:21,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:21,025 INFO L93 Difference]: Finished difference Result 226 states and 333 transitions. [2023-12-19 14:59:21,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 14:59:21,025 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 78 [2023-12-19 14:59:21,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:21,026 INFO L225 Difference]: With dead ends: 226 [2023-12-19 14:59:21,026 INFO L226 Difference]: Without dead ends: 123 [2023-12-19 14:59:21,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 14:59:21,028 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 61 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:59:21,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 512 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:59:21,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2023-12-19 14:59:21,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 105. [2023-12-19 14:59:21,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 96 states have (on average 1.4583333333333333) internal successors, (140), 96 states have internal predecessors, (140), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 14:59:21,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 154 transitions. [2023-12-19 14:59:21,033 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 154 transitions. Word has length 78 [2023-12-19 14:59:21,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:21,034 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 154 transitions. [2023-12-19 14:59:21,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:21,034 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 154 transitions. [2023-12-19 14:59:21,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-19 14:59:21,034 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:21,035 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:21,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:21,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:21,249 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:21,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:21,250 INFO L85 PathProgramCache]: Analyzing trace with hash -506611683, now seen corresponding path program 1 times [2023-12-19 14:59:21,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:21,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350580360] [2023-12-19 14:59:21,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:21,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:21,271 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:59:21,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [371819088] [2023-12-19 14:59:21,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:21,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:21,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:21,290 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:21,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-19 14:59:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:21,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-19 14:59:21,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:21,451 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 27 treesize of output 22 [2023-12-19 14:59:21,497 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 14:59:21,498 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 69 treesize of output 33 [2023-12-19 14:59:21,519 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-19 14:59:21,520 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 14:59:21,573 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 14:59:21,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:21,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350580360] [2023-12-19 14:59:21,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:59:21,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371819088] [2023-12-19 14:59:21,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371819088] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 14:59:21,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 14:59:21,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2023-12-19 14:59:21,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731419497] [2023-12-19 14:59:21,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:59:21,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 14:59:21,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:21,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 14:59:21,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2023-12-19 14:59:21,575 INFO L87 Difference]: Start difference. First operand 105 states and 154 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:21,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:21,663 INFO L93 Difference]: Finished difference Result 253 states and 366 transitions. [2023-12-19 14:59:21,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 14:59:21,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 79 [2023-12-19 14:59:21,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:21,664 INFO L225 Difference]: With dead ends: 253 [2023-12-19 14:59:21,664 INFO L226 Difference]: Without dead ends: 149 [2023-12-19 14:59:21,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2023-12-19 14:59:21,665 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 114 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:59:21,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 579 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:59:21,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-12-19 14:59:21,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 124. [2023-12-19 14:59:21,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 115 states have (on average 1.4260869565217391) internal successors, (164), 115 states have internal predecessors, (164), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 14:59:21,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 178 transitions. [2023-12-19 14:59:21,670 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 178 transitions. Word has length 79 [2023-12-19 14:59:21,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:21,670 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 178 transitions. [2023-12-19 14:59:21,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:21,670 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 178 transitions. [2023-12-19 14:59:21,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-19 14:59:21,671 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:21,671 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:21,678 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:21,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:21,875 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:21,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:21,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1784837376, now seen corresponding path program 1 times [2023-12-19 14:59:21,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:21,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151683169] [2023-12-19 14:59:21,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:21,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:21,891 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:59:21,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1177422922] [2023-12-19 14:59:21,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:21,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:21,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:21,892 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:21,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-19 14:59:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:22,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 14:59:22,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 14:59:22,050 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:59:22,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:22,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151683169] [2023-12-19 14:59:22,051 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:59:22,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177422922] [2023-12-19 14:59:22,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177422922] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:59:22,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:59:22,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 14:59:22,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311467723] [2023-12-19 14:59:22,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:59:22,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 14:59:22,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:22,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 14:59:22,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 14:59:22,052 INFO L87 Difference]: Start difference. First operand 124 states and 178 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:22,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:22,069 INFO L93 Difference]: Finished difference Result 299 states and 428 transitions. [2023-12-19 14:59:22,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 14:59:22,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2023-12-19 14:59:22,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:22,071 INFO L225 Difference]: With dead ends: 299 [2023-12-19 14:59:22,071 INFO L226 Difference]: Without dead ends: 176 [2023-12-19 14:59:22,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 14:59:22,072 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 47 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:59:22,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 239 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:59:22,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-12-19 14:59:22,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 141. [2023-12-19 14:59:22,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 132 states have (on average 1.4242424242424243) internal successors, (188), 132 states have internal predecessors, (188), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 14:59:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 202 transitions. [2023-12-19 14:59:22,076 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 202 transitions. Word has length 80 [2023-12-19 14:59:22,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:22,077 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 202 transitions. [2023-12-19 14:59:22,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:22,077 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 202 transitions. [2023-12-19 14:59:22,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-19 14:59:22,077 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:22,077 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:22,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:22,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-19 14:59:22,284 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:22,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:22,284 INFO L85 PathProgramCache]: Analyzing trace with hash 2074955122, now seen corresponding path program 1 times [2023-12-19 14:59:22,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:22,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167543740] [2023-12-19 14:59:22,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:22,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:22,299 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:59:22,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336366299] [2023-12-19 14:59:22,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:22,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:22,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:22,301 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:22,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-19 14:59:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:22,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-19 14:59:22,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 14:59:22,453 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:59:22,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:22,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167543740] [2023-12-19 14:59:22,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:59:22,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336366299] [2023-12-19 14:59:22,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336366299] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:59:22,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:59:22,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 14:59:22,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427086270] [2023-12-19 14:59:22,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:59:22,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 14:59:22,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:22,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 14:59:22,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 14:59:22,455 INFO L87 Difference]: Start difference. First operand 141 states and 202 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:22,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:22,479 INFO L93 Difference]: Finished difference Result 147 states and 208 transitions. [2023-12-19 14:59:22,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 14:59:22,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 81 [2023-12-19 14:59:22,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:22,480 INFO L225 Difference]: With dead ends: 147 [2023-12-19 14:59:22,480 INFO L226 Difference]: Without dead ends: 145 [2023-12-19 14:59:22,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 14:59:22,481 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 10 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:59:22,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 479 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:59:22,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-12-19 14:59:22,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2023-12-19 14:59:22,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 135 states have (on average 1.4148148148148147) internal successors, (191), 135 states have internal predecessors, (191), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 14:59:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 205 transitions. [2023-12-19 14:59:22,485 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 205 transitions. Word has length 81 [2023-12-19 14:59:22,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:22,485 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 205 transitions. [2023-12-19 14:59:22,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:22,485 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 205 transitions. [2023-12-19 14:59:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-19 14:59:22,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:22,486 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:22,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:22,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:22,692 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:22,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:22,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1344511175, now seen corresponding path program 1 times [2023-12-19 14:59:22,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:22,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711521152] [2023-12-19 14:59:22,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:22,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:22,712 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:59:22,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [419591344] [2023-12-19 14:59:22,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:22,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:22,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:22,713 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:22,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-19 14:59:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:22,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 14:59:22,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 14:59:22,848 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:59:22,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:22,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711521152] [2023-12-19 14:59:22,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:59:22,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419591344] [2023-12-19 14:59:22,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419591344] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:59:22,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:59:22,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 14:59:22,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805840963] [2023-12-19 14:59:22,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:59:22,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 14:59:22,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:22,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 14:59:22,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 14:59:22,850 INFO L87 Difference]: Start difference. First operand 144 states and 205 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:22,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:22,862 INFO L93 Difference]: Finished difference Result 290 states and 415 transitions. [2023-12-19 14:59:22,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 14:59:22,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 81 [2023-12-19 14:59:22,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:22,863 INFO L225 Difference]: With dead ends: 290 [2023-12-19 14:59:22,863 INFO L226 Difference]: Without dead ends: 147 [2023-12-19 14:59:22,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 14:59:22,863 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:59:22,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 245 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:59:22,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-12-19 14:59:22,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2023-12-19 14:59:22,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 138 states have (on average 1.4057971014492754) internal successors, (194), 138 states have internal predecessors, (194), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-19 14:59:22,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 208 transitions. [2023-12-19 14:59:22,867 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 208 transitions. Word has length 81 [2023-12-19 14:59:22,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:22,867 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 208 transitions. [2023-12-19 14:59:22,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:22,868 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 208 transitions. [2023-12-19 14:59:22,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-19 14:59:22,868 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:22,868 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:22,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:23,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-19 14:59:23,074 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:23,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:23,075 INFO L85 PathProgramCache]: Analyzing trace with hash 333393925, now seen corresponding path program 1 times [2023-12-19 14:59:23,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:23,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43517815] [2023-12-19 14:59:23,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:23,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:23,096 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:59:23,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1143147308] [2023-12-19 14:59:23,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:23,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:23,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:23,098 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:23,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-19 14:59:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:23,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-19 14:59:23,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:23,264 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 25 treesize of output 13 [2023-12-19 14:59:23,589 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 14:59:23,589 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 47 treesize of output 29 [2023-12-19 14:59:23,611 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-19 14:59:23,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 14:59:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-19 14:59:24,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:24,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43517815] [2023-12-19 14:59:24,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:59:24,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143147308] [2023-12-19 14:59:24,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143147308] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 14:59:24,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 14:59:24,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2023-12-19 14:59:24,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906159203] [2023-12-19 14:59:24,006 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 14:59:24,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-19 14:59:24,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:24,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-19 14:59:24,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2023-12-19 14:59:24,008 INFO L87 Difference]: Start difference. First operand 147 states and 208 transitions. Second operand has 23 states, 21 states have (on average 4.714285714285714) internal successors, (99), 23 states have internal predecessors, (99), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-19 14:59:24,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:24,603 INFO L93 Difference]: Finished difference Result 603 states and 844 transitions. [2023-12-19 14:59:24,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-19 14:59:24,604 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 4.714285714285714) internal successors, (99), 23 states have internal predecessors, (99), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) Word has length 81 [2023-12-19 14:59:24,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:24,607 INFO L225 Difference]: With dead ends: 603 [2023-12-19 14:59:24,607 INFO L226 Difference]: Without dead ends: 457 [2023-12-19 14:59:24,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=435, Invalid=1371, Unknown=0, NotChecked=0, Total=1806 [2023-12-19 14:59:24,608 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 865 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 1505 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 14:59:24,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 1505 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 14:59:24,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2023-12-19 14:59:24,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 327. [2023-12-19 14:59:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 310 states have (on average 1.4096774193548387) internal successors, (437), 310 states have internal predecessors, (437), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-19 14:59:24,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 465 transitions. [2023-12-19 14:59:24,624 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 465 transitions. Word has length 81 [2023-12-19 14:59:24,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:24,624 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 465 transitions. [2023-12-19 14:59:24,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 4.714285714285714) internal successors, (99), 23 states have internal predecessors, (99), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-19 14:59:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 465 transitions. [2023-12-19 14:59:24,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-19 14:59:24,625 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:24,625 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:24,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:24,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-19 14:59:24,831 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:24,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:24,832 INFO L85 PathProgramCache]: Analyzing trace with hash 963128122, now seen corresponding path program 1 times [2023-12-19 14:59:24,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:24,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201320678] [2023-12-19 14:59:24,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:24,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:24,848 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:59:24,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [312767609] [2023-12-19 14:59:24,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:24,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:24,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:24,849 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:24,862 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-19 14:59:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:25,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 14:59:25,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:25,017 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 15 treesize of output 7 [2023-12-19 14:59:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 14:59:25,062 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:59:25,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:25,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201320678] [2023-12-19 14:59:25,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:59:25,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312767609] [2023-12-19 14:59:25,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312767609] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:59:25,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:59:25,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 14:59:25,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696141672] [2023-12-19 14:59:25,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:59:25,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 14:59:25,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:25,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 14:59:25,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 14:59:25,063 INFO L87 Difference]: Start difference. First operand 327 states and 465 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:25,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:25,123 INFO L93 Difference]: Finished difference Result 939 states and 1321 transitions. [2023-12-19 14:59:25,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 14:59:25,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 81 [2023-12-19 14:59:25,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:25,125 INFO L225 Difference]: With dead ends: 939 [2023-12-19 14:59:25,125 INFO L226 Difference]: Without dead ends: 613 [2023-12-19 14:59:25,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 14:59:25,126 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 223 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 14:59:25,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 354 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 14:59:25,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2023-12-19 14:59:25,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 509. [2023-12-19 14:59:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 476 states have (on average 1.388655462184874) internal successors, (661), 476 states have internal predecessors, (661), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-19 14:59:25,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 717 transitions. [2023-12-19 14:59:25,141 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 717 transitions. Word has length 81 [2023-12-19 14:59:25,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:25,141 INFO L495 AbstractCegarLoop]: Abstraction has 509 states and 717 transitions. [2023-12-19 14:59:25,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:25,141 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 717 transitions. [2023-12-19 14:59:25,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-19 14:59:25,142 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:25,142 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:25,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:25,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-19 14:59:25,365 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:25,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:25,366 INFO L85 PathProgramCache]: Analyzing trace with hash 345625280, now seen corresponding path program 1 times [2023-12-19 14:59:25,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:25,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139964907] [2023-12-19 14:59:25,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:25,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:25,389 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:59:25,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [608519657] [2023-12-19 14:59:25,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:25,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:25,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:25,391 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:25,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-19 14:59:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 14:59:25,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-19 14:59:25,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 14:59:25,552 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 27 treesize of output 22 [2023-12-19 14:59:25,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 14:59:25,590 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 55 treesize of output 29 [2023-12-19 14:59:25,610 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-19 14:59:25,610 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 14:59:25,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 14:59:25,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139964907] [2023-12-19 14:59:25,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 14:59:25,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608519657] [2023-12-19 14:59:25,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608519657] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 14:59:25,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 14:59:25,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 14:59:25,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861626014] [2023-12-19 14:59:25,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 14:59:25,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 14:59:25,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 14:59:25,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 14:59:25,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-19 14:59:25,612 INFO L87 Difference]: Start difference. First operand 509 states and 717 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:25,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 14:59:25,856 INFO L93 Difference]: Finished difference Result 1305 states and 1806 transitions. [2023-12-19 14:59:25,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-12-19 14:59:25,856 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 85 [2023-12-19 14:59:25,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 14:59:25,859 INFO L225 Difference]: With dead ends: 1305 [2023-12-19 14:59:25,859 INFO L226 Difference]: Without dead ends: 797 [2023-12-19 14:59:25,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2023-12-19 14:59:25,861 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 196 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 14:59:25,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 1058 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 14:59:25,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2023-12-19 14:59:25,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 545. [2023-12-19 14:59:25,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 512 states have (on average 1.3828125) internal successors, (708), 512 states have internal predecessors, (708), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-19 14:59:25,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 764 transitions. [2023-12-19 14:59:25,879 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 764 transitions. Word has length 85 [2023-12-19 14:59:25,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 14:59:25,879 INFO L495 AbstractCegarLoop]: Abstraction has 545 states and 764 transitions. [2023-12-19 14:59:25,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-19 14:59:25,880 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 764 transitions. [2023-12-19 14:59:25,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-19 14:59:25,880 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 14:59:25,880 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:25,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:26,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-19 14:59:26,089 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 14:59:26,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 14:59:26,089 INFO L85 PathProgramCache]: Analyzing trace with hash 951292706, now seen corresponding path program 1 times [2023-12-19 14:59:26,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 14:59:26,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404999282] [2023-12-19 14:59:26,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:26,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 14:59:26,105 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 14:59:26,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985718298] [2023-12-19 14:59:26,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 14:59:26,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:26,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 14:59:26,107 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 14:59:26,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-19 14:59:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 14:59:26,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 14:59:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 14:59:26,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 14:59:26,401 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 14:59:26,402 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 14:59:26,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-19 14:59:26,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 14:59:26,612 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 14:59:26,616 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 14:59:26,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 02:59:26 BoogieIcfgContainer [2023-12-19 14:59:26,704 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 14:59:26,704 INFO L158 Benchmark]: Toolchain (without parser) took 9847.64ms. Allocated memory was 194.0MB in the beginning and 326.1MB in the end (delta: 132.1MB). Free memory was 156.2MB in the beginning and 293.5MB in the end (delta: -137.3MB). Peak memory consumption was 179.3MB. Max. memory is 8.0GB. [2023-12-19 14:59:26,704 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 194.0MB. Free memory was 151.0MB in the beginning and 151.0MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 14:59:26,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.21ms. Allocated memory is still 194.0MB. Free memory was 156.2MB in the beginning and 141.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-19 14:59:26,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.31ms. Allocated memory is still 194.0MB. Free memory was 141.6MB in the beginning and 138.3MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-19 14:59:26,705 INFO L158 Benchmark]: Boogie Preprocessor took 59.26ms. Allocated memory is still 194.0MB. Free memory was 138.3MB in the beginning and 133.7MB in the end (delta: 4.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-19 14:59:26,705 INFO L158 Benchmark]: RCFGBuilder took 565.48ms. Allocated memory is still 194.0MB. Free memory was 133.3MB in the beginning and 104.4MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-12-19 14:59:26,705 INFO L158 Benchmark]: TraceAbstraction took 8907.73ms. Allocated memory was 194.0MB in the beginning and 326.1MB in the end (delta: 132.1MB). Free memory was 103.7MB in the beginning and 293.5MB in the end (delta: -189.8MB). Peak memory consumption was 126.9MB. Max. memory is 8.0GB. [2023-12-19 14:59:26,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 194.0MB. Free memory was 151.0MB in the beginning and 151.0MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 253.21ms. Allocated memory is still 194.0MB. Free memory was 156.2MB in the beginning and 141.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.31ms. Allocated memory is still 194.0MB. Free memory was 141.6MB in the beginning and 138.3MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.26ms. Allocated memory is still 194.0MB. Free memory was 138.3MB in the beginning and 133.7MB in the end (delta: 4.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 565.48ms. Allocated memory is still 194.0MB. Free memory was 133.3MB in the beginning and 104.4MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 8907.73ms. Allocated memory was 194.0MB in the beginning and 326.1MB in the end (delta: 132.1MB). Free memory was 103.7MB in the beginning and 293.5MB in the end (delta: -189.8MB). Peak memory consumption was 126.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 0 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L25-L27] double double_Array_0[3] = { 15.4, 15.6, 32.2 }; [L28-L30] float float_Array_0[2] = { 5.75, 8.6 }; [L28-L30] float float_Array_0[2] = { 5.75, 8.6 }; [L28-L30] float float_Array_0[2] = { 5.75, 8.6 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 256 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { 256 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[1] = { 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[1] = { 32 }; [L37] unsigned char last_1_BOOL_unsigned_char_Array_0_1_ = 0; [L38] signed short int last_1_signed_short_int_Array_0_0_ = 256; [L90] isInitial = 1 [L91] FCALL initially() [L92] COND TRUE 1 [L93] CALL updateLastVariables() [L82] EXPR BOOL_unsigned_char_Array_0[1] [L82] last_1_BOOL_unsigned_char_Array_0_1_ = BOOL_unsigned_char_Array_0[1] [L83] EXPR signed_short_int_Array_0[0] [L83] last_1_signed_short_int_Array_0_0_ = signed_short_int_Array_0[0] [L93] RET updateLastVariables() [L94] CALL updateVariables() [L67] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L68] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L68] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] double_Array_0[0] = __VERIFIER_nondet_double() [L71] EXPR double_Array_0[0] [L71] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L71] EXPR double_Array_0[0] [L71] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] double_Array_0[1] = __VERIFIER_nondet_double() [L73] EXPR double_Array_0[1] [L73] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F [L73] EXPR double_Array_0[1] [L73] EXPR double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR (double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854776000e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854776000e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] double_Array_0[2] = __VERIFIER_nondet_double() [L75] EXPR double_Array_0[2] [L75] EXPR double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F [L75] EXPR double_Array_0[2] [L75] EXPR double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] RET assume_abort_if_not((double_Array_0[2] >= -922337.2036854776000e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854776000e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] float_Array_0[0] = __VERIFIER_nondet_float() [L77] EXPR float_Array_0[0] [L77] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F [L77] EXPR float_Array_0[0] [L77] EXPR float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] RET assume_abort_if_not((float_Array_0[0] >= 0.0F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] float_Array_0[1] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L79] EXPR float_Array_0[1] [L79] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (float_Array_0[1] >= 0.0F && 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}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (float_Array_0[1] >= 0.0F && 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}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((float_Array_0[1] >= 0.0F && 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, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] RET assume_abort_if_not((float_Array_0[1] >= 0.0F && 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}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L94] RET updateVariables() [L95] CALL step() [L42] COND TRUE (last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L43] COND FALSE !(last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] COND TRUE BOOL_unsigned_char_Array_0[0] [L52] EXPR float_Array_0[0] [L52] EXPR float_Array_0[1] [L52] EXPR double_Array_0[1] [L52] EXPR double_Array_0[2] [L52] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L52] COND FALSE !((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) [L55] EXPR unsigned_short_int_Array_0[0] [L55] signed_short_int_Array_0[0] = unsigned_short_int_Array_0[0] [L58] EXPR double_Array_0[1] [L58] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) [L58] EXPR double_Array_0[1] [L58] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] EXPR double_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L58] COND TRUE ((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2] [L59] last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] COND FALSE !(last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR ((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1 [L86] EXPR (last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR ((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0]))) [L86] EXPR double_Array_0[1] [L86] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) [L86] EXPR double_Array_0[1] [L86] EXPR ((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR double_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) [L86] EXPR BOOL_unsigned_char_Array_0[1] [L86] EXPR BOOL_unsigned_char_Array_0[0] [L86] EXPR (((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR (((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR ((((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((unsigned_short_int_Array_0[0]) > (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))) : (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] EXPR ((((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((unsigned_short_int_Array_0[0]) > (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))) : (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86-L87] return ((((last_1_signed_short_int_Array_0_0_ + ((((last_1_signed_short_int_Array_0_0_) > (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))) < (last_1_signed_short_int_Array_0_0_ * last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ < (last_1_signed_short_int_Array_0_0_ - last_1_signed_short_int_Array_0_0_)) ? ((last_1_signed_short_int_Array_0_0_ != (((((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) < 0 ) ? -((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_))) : ((((last_1_signed_short_int_Array_0_0_) < (last_1_signed_short_int_Array_0_0_)) ? (last_1_signed_short_int_Array_0_0_) : (last_1_signed_short_int_Array_0_0_)))))) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_)) : 1) : 1) : (unsigned_short_int_Array_0[0] == ((unsigned short int) last_1_signed_short_int_Array_0_0_))) && ((((((double_Array_0[1]) < (double_Array_0[0])) ? (double_Array_0[1]) : (double_Array_0[0]))) <= double_Array_0[2]) ? ((last_1_BOOL_unsigned_char_Array_0_1_ && (unsigned_short_int_Array_0[0] >= unsigned_short_int_Array_0[0])) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) 0)) : 1) : (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (((float_Array_0[0] - float_Array_0[1]) >= ((double_Array_0[1] + double_Array_0[2]) + double_Array_0[0])) ? (signed_short_int_Array_0[0] == ((signed short int) ((((unsigned_short_int_Array_0[0]) > (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))) : (signed_short_int_Array_0[0] == ((signed short int) unsigned_short_int_Array_0[0]))) : 1) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1_=0, last_1_signed_short_int_Array_0_0_=256, signed_short_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 14, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1733 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1731 mSDsluCounter, 6473 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4760 mSDsCounter, 87 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1057 IncrementalHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 87 mSolverCounterUnsat, 1713 mSDtfsCounter, 1057 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1290 GetRequests, 1180 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=545occurred in iteration=13, InterpolantAutomatonStates: 104, 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, 13 MinimizatonAttempts, 667 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1259 NumberOfCodeBlocks, 1259 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1243 ConstructedInterpolants, 0 QuantifiedInterpolants, 4787 SizeOfPredicates, 56 NumberOfNonLiveVariables, 3941 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 1296/1344 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 [2023-12-19 14:59:26,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...