/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 false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 01:47:25,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 01:47:25,081 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 01:47:25,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 01:47:25,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 01:47:25,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 01:47:25,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 01:47:25,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 01:47:25,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 01:47:25,112 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 01:47:25,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 01:47:25,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 01:47:25,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 01:47:25,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 01:47:25,115 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 01:47:25,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 01:47:25,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 01:47:25,115 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 01:47:25,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 01:47:25,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 01:47:25,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 01:47:25,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 01:47:25,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 01:47:25,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 01:47:25,117 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 01:47:25,118 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 01:47:25,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 01:47:25,118 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 01:47:25,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 01:47:25,119 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 01:47:25,119 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 01:47:25,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 01:47:25,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 01:47:25,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 01:47:25,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 01:47:25,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 01:47:25,120 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 01:47:25,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 01:47:25,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 01:47:25,120 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 01:47:25,121 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 01:47:25,121 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 01:47:25,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 01:47:25,121 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 01:47:25,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 01:47:25,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 01:47:25,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 01:47:25,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 01:47:25,315 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 01:47:25,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2023-12-21 01:47:26,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 01:47:26,568 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 01:47:26,569 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2023-12-21 01:47:26,575 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/439f5c9d2/54c1132d417d422dbd68d1415d1c0d6c/FLAG5fcd79123 [2023-12-21 01:47:26,587 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/439f5c9d2/54c1132d417d422dbd68d1415d1c0d6c [2023-12-21 01:47:26,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 01:47:26,589 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 01:47:26,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 01:47:26,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 01:47:26,595 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 01:47:26,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:26,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c841cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26, skipping insertion in model container [2023-12-21 01:47:26,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:26,618 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 01:47:26,734 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-6.i[915,928] [2023-12-21 01:47:26,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 01:47:26,804 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 01:47:26,811 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-6.i[915,928] [2023-12-21 01:47:26,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 01:47:26,872 INFO L206 MainTranslator]: Completed translation [2023-12-21 01:47:26,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26 WrapperNode [2023-12-21 01:47:26,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 01:47:26,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 01:47:26,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 01:47:26,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 01:47:26,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:26,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:26,938 INFO L138 Inliner]: procedures = 29, calls = 170, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 517 [2023-12-21 01:47:26,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 01:47:26,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 01:47:26,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 01:47:26,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 01:47:26,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:26,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:26,952 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:26,994 INFO L175 MemorySlicer]: Split 135 memory accesses to 6 slices as follows [2, 16, 32, 28, 21, 36]. 27 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 3, 4, 3, 3, 3]. The 18 writes are split as follows [0, 3, 4, 3, 4, 4]. [2023-12-21 01:47:26,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:26,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:27,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:27,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:27,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:27,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:27,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 01:47:27,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 01:47:27,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 01:47:27,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 01:47:27,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (1/1) ... [2023-12-21 01:47:27,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 01:47:27,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:27,056 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) [2023-12-21 01:47:27,098 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 [2023-12-21 01:47:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 01:47:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-21 01:47:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-21 01:47:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-21 01:47:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-21 01:47:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-21 01:47:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-21 01:47:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-21 01:47:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-21 01:47:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-12-21 01:47:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-12-21 01:47:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-12-21 01:47:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-12-21 01:47:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-21 01:47:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-21 01:47:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-12-21 01:47:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-12-21 01:47:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-12-21 01:47:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-12-21 01:47:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-21 01:47:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-21 01:47:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-21 01:47:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-21 01:47:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-21 01:47:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-21 01:47:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-21 01:47:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-21 01:47:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-12-21 01:47:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-12-21 01:47:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-12-21 01:47:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-12-21 01:47:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-21 01:47:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-21 01:47:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 01:47:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 01:47:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-21 01:47:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-21 01:47:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-21 01:47:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-21 01:47:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 01:47:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 01:47:27,219 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 01:47:27,220 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 01:47:27,577 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 01:47:27,598 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 01:47:27,598 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 01:47:27,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:47:27 BoogieIcfgContainer [2023-12-21 01:47:27,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 01:47:27,600 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 01:47:27,600 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 01:47:27,603 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 01:47:27,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 01:47:26" (1/3) ... [2023-12-21 01:47:27,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353284ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:47:27, skipping insertion in model container [2023-12-21 01:47:27,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 01:47:26" (2/3) ... [2023-12-21 01:47:27,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@353284ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 01:47:27, skipping insertion in model container [2023-12-21 01:47:27,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 01:47:27" (3/3) ... [2023-12-21 01:47:27,605 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-6.i [2023-12-21 01:47:27,617 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 01:47:27,617 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 01:47:27,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 01:47:27,676 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;@3f03e24c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 01:47:27,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 01:47:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 93 states have (on average 1.4408602150537635) internal successors, (134), 94 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-21 01:47:27,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-21 01:47:27,689 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:27,689 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:27,690 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:27,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:27,693 INFO L85 PathProgramCache]: Analyzing trace with hash -455682870, now seen corresponding path program 1 times [2023-12-21 01:47:27,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:27,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964000329] [2023-12-21 01:47:27,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:27,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:27,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:27,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964000329] [2023-12-21 01:47:27,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 01:47:27,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395891185] [2023-12-21 01:47:27,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:27,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:27,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:27,910 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) [2023-12-21 01:47:27,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 01:47:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:28,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 01:47:28,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-12-21 01:47:28,165 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:28,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395891185] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:28,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:28,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 01:47:28,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708141870] [2023-12-21 01:47:28,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:28,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 01:47:28,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:28,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 01:47:28,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 01:47:28,200 INFO L87 Difference]: Start difference. First operand has 115 states, 93 states have (on average 1.4408602150537635) internal successors, (134), 94 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-21 01:47:28,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:28,228 INFO L93 Difference]: Finished difference Result 227 states and 361 transitions. [2023-12-21 01:47:28,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 01:47:28,230 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-12-21 01:47:28,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:28,238 INFO L225 Difference]: With dead ends: 227 [2023-12-21 01:47:28,238 INFO L226 Difference]: Without dead ends: 113 [2023-12-21 01:47:28,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 01:47:28,244 INFO L413 NwaCegarLoop]: 163 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, 163 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 [2023-12-21 01:47:28,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 01:47:28,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-21 01:47:28,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-12-21 01:47:28,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 92 states have (on average 1.4021739130434783) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-21 01:47:28,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 167 transitions. [2023-12-21 01:47:28,277 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 167 transitions. Word has length 153 [2023-12-21 01:47:28,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:28,278 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 167 transitions. [2023-12-21 01:47:28,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-21 01:47:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 167 transitions. [2023-12-21 01:47:28,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-21 01:47:28,280 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:28,280 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:28,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-21 01:47:28,489 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 [2023-12-21 01:47:28,490 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:28,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:28,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1843939048, now seen corresponding path program 1 times [2023-12-21 01:47:28,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:28,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301698966] [2023-12-21 01:47:28,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:28,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:28,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:28,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301698966] [2023-12-21 01:47:28,568 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 01:47:28,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391319738] [2023-12-21 01:47:28,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:28,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:28,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:28,569 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) [2023-12-21 01:47:28,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 01:47:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:28,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 01:47:28,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:28,781 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2023-12-21 01:47:28,781 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:28,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391319738] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:28,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:28,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 01:47:28,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036171450] [2023-12-21 01:47:28,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:28,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 01:47:28,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:28,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 01:47:28,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 01:47:28,786 INFO L87 Difference]: Start difference. First operand 113 states and 167 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-21 01:47:28,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:28,821 INFO L93 Difference]: Finished difference Result 231 states and 342 transitions. [2023-12-21 01:47:28,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 01:47:28,822 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-12-21 01:47:28,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:28,823 INFO L225 Difference]: With dead ends: 231 [2023-12-21 01:47:28,823 INFO L226 Difference]: Without dead ends: 119 [2023-12-21 01:47:28,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 01:47:28,824 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 10 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 481 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 [2023-12-21 01:47:28,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 481 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 01:47:28,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-12-21 01:47:28,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115. [2023-12-21 01:47:28,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 94 states have internal predecessors, (131), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-21 01:47:28,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 169 transitions. [2023-12-21 01:47:28,833 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 169 transitions. Word has length 153 [2023-12-21 01:47:28,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:28,834 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 169 transitions. [2023-12-21 01:47:28,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-21 01:47:28,834 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 169 transitions. [2023-12-21 01:47:28,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-21 01:47:28,836 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:28,836 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:28,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:29,042 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 [2023-12-21 01:47:29,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:29,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:29,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1412443674, now seen corresponding path program 1 times [2023-12-21 01:47:29,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:29,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645316858] [2023-12-21 01:47:29,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:29,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:29,126 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:29,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2141009894] [2023-12-21 01:47:29,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:29,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:29,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:29,129 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) [2023-12-21 01:47:29,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 01:47:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:29,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 01:47:29,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:29,379 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:29,380 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:29,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:29,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645316858] [2023-12-21 01:47:29,380 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:29,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141009894] [2023-12-21 01:47:29,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141009894] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:29,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:29,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 01:47:29,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579333311] [2023-12-21 01:47:29,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:29,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 01:47:29,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:29,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 01:47:29,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 01:47:29,382 INFO L87 Difference]: Start difference. First operand 115 states and 169 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:29,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:29,429 INFO L93 Difference]: Finished difference Result 252 states and 371 transitions. [2023-12-21 01:47:29,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 01:47:29,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-12-21 01:47:29,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:29,433 INFO L225 Difference]: With dead ends: 252 [2023-12-21 01:47:29,433 INFO L226 Difference]: Without dead ends: 138 [2023-12-21 01:47:29,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 01:47:29,435 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 43 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:29,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 472 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 01:47:29,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-21 01:47:29,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 117. [2023-12-21 01:47:29,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.3854166666666667) internal successors, (133), 96 states have internal predecessors, (133), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-21 01:47:29,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 171 transitions. [2023-12-21 01:47:29,441 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 171 transitions. Word has length 153 [2023-12-21 01:47:29,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:29,442 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 171 transitions. [2023-12-21 01:47:29,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:29,442 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 171 transitions. [2023-12-21 01:47:29,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-21 01:47:29,444 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:29,444 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:29,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:29,650 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 [2023-12-21 01:47:29,650 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:29,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:29,651 INFO L85 PathProgramCache]: Analyzing trace with hash -366889484, now seen corresponding path program 1 times [2023-12-21 01:47:29,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:29,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022983486] [2023-12-21 01:47:29,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:29,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:29,695 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:29,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [890883349] [2023-12-21 01:47:29,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:29,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:29,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:29,698 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) [2023-12-21 01:47:29,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-21 01:47:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:29,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 01:47:29,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:29,916 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 19 treesize of output 7 [2023-12-21 01:47:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:29,925 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:29,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:29,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022983486] [2023-12-21 01:47:29,925 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:29,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890883349] [2023-12-21 01:47:29,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890883349] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:29,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:29,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 01:47:29,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069905541] [2023-12-21 01:47:29,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:29,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 01:47:29,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:29,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 01:47:29,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 01:47:29,931 INFO L87 Difference]: Start difference. First operand 117 states and 171 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:29,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:29,955 INFO L93 Difference]: Finished difference Result 233 states and 341 transitions. [2023-12-21 01:47:29,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 01:47:29,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-12-21 01:47:29,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:29,960 INFO L225 Difference]: With dead ends: 233 [2023-12-21 01:47:29,960 INFO L226 Difference]: Without dead ends: 117 [2023-12-21 01:47:29,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 01:47:29,968 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 2 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:29,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 317 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 01:47:29,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-12-21 01:47:29,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-12-21 01:47:29,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.375) internal successors, (132), 96 states have internal predecessors, (132), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-21 01:47:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 170 transitions. [2023-12-21 01:47:29,975 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 170 transitions. Word has length 155 [2023-12-21 01:47:29,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:29,975 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 170 transitions. [2023-12-21 01:47:29,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2023-12-21 01:47:29,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-21 01:47:29,976 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:29,977 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:29,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-21 01:47:30,177 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 [2023-12-21 01:47:30,177 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:30,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:30,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1184537934, now seen corresponding path program 1 times [2023-12-21 01:47:30,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:30,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524850426] [2023-12-21 01:47:30,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:30,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:30,224 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:30,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1665442081] [2023-12-21 01:47:30,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:30,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:30,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:30,238 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) [2023-12-21 01:47:30,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-21 01:47:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:30,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 01:47:30,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:30,458 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 19 treesize of output 7 [2023-12-21 01:47:30,462 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:30,462 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:30,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:30,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524850426] [2023-12-21 01:47:30,463 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:30,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665442081] [2023-12-21 01:47:30,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665442081] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:30,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:30,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 01:47:30,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6462997] [2023-12-21 01:47:30,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:30,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 01:47:30,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:30,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 01:47:30,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 01:47:30,464 INFO L87 Difference]: Start difference. First operand 117 states and 170 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:30,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:30,476 INFO L93 Difference]: Finished difference Result 233 states and 339 transitions. [2023-12-21 01:47:30,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 01:47:30,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-12-21 01:47:30,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:30,477 INFO L225 Difference]: With dead ends: 233 [2023-12-21 01:47:30,477 INFO L226 Difference]: Without dead ends: 117 [2023-12-21 01:47:30,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 01:47:30,478 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 40 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:30,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 280 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 01:47:30,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-12-21 01:47:30,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-12-21 01:47:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 96 states have internal predecessors, (131), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-21 01:47:30,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 169 transitions. [2023-12-21 01:47:30,484 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 169 transitions. Word has length 155 [2023-12-21 01:47:30,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:30,484 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 169 transitions. [2023-12-21 01:47:30,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:30,484 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 169 transitions. [2023-12-21 01:47:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-21 01:47:30,486 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:30,486 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:30,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:30,692 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 [2023-12-21 01:47:30,692 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:30,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:30,693 INFO L85 PathProgramCache]: Analyzing trace with hash 2089361008, now seen corresponding path program 1 times [2023-12-21 01:47:30,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:30,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604408141] [2023-12-21 01:47:30,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:30,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:30,731 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:30,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [95270631] [2023-12-21 01:47:30,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:30,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:30,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:30,747 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) [2023-12-21 01:47:30,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-21 01:47:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:30,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-21 01:47:30,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:30,952 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 17 treesize of output 17 [2023-12-21 01:47:31,016 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 01:47:31,016 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 58 treesize of output 28 [2023-12-21 01:47:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:31,031 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:31,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:31,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604408141] [2023-12-21 01:47:31,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:31,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95270631] [2023-12-21 01:47:31,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95270631] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:31,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:31,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 01:47:31,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436307682] [2023-12-21 01:47:31,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:31,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 01:47:31,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:31,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 01:47:31,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-21 01:47:31,033 INFO L87 Difference]: Start difference. First operand 117 states and 169 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:31,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:31,279 INFO L93 Difference]: Finished difference Result 392 states and 566 transitions. [2023-12-21 01:47:31,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-21 01:47:31,279 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-12-21 01:47:31,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:31,281 INFO L225 Difference]: With dead ends: 392 [2023-12-21 01:47:31,281 INFO L226 Difference]: Without dead ends: 276 [2023-12-21 01:47:31,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2023-12-21 01:47:31,282 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 377 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:31,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1368 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 01:47:31,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2023-12-21 01:47:31,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 219. [2023-12-21 01:47:31,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 183 states have (on average 1.360655737704918) internal successors, (249), 184 states have internal predecessors, (249), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-21 01:47:31,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 315 transitions. [2023-12-21 01:47:31,292 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 315 transitions. Word has length 155 [2023-12-21 01:47:31,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:31,293 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 315 transitions. [2023-12-21 01:47:31,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:31,293 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 315 transitions. [2023-12-21 01:47:31,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-21 01:47:31,294 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:31,294 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:31,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:31,500 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 [2023-12-21 01:47:31,500 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:31,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:31,501 INFO L85 PathProgramCache]: Analyzing trace with hash -302267351, now seen corresponding path program 1 times [2023-12-21 01:47:31,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:31,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186774827] [2023-12-21 01:47:31,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:31,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:31,538 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:31,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2115432898] [2023-12-21 01:47:31,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:31,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:31,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:31,540 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) [2023-12-21 01:47:31,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-21 01:47:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:31,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-21 01:47:31,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:31,917 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 131 treesize of output 89 [2023-12-21 01:47:31,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 65 [2023-12-21 01:47:31,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-12-21 01:47:32,038 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:32,038 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:32,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:32,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186774827] [2023-12-21 01:47:32,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:32,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115432898] [2023-12-21 01:47:32,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115432898] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:32,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:32,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 01:47:32,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777642566] [2023-12-21 01:47:32,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:32,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 01:47:32,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:32,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 01:47:32,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-21 01:47:32,040 INFO L87 Difference]: Start difference. First operand 219 states and 315 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:33,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:33,045 INFO L93 Difference]: Finished difference Result 658 states and 945 transitions. [2023-12-21 01:47:33,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-21 01:47:33,046 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-12-21 01:47:33,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:33,049 INFO L225 Difference]: With dead ends: 658 [2023-12-21 01:47:33,049 INFO L226 Difference]: Without dead ends: 440 [2023-12-21 01:47:33,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-12-21 01:47:33,050 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 220 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:33,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 1246 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-21 01:47:33,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2023-12-21 01:47:33,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 392. [2023-12-21 01:47:33,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 324 states have (on average 1.345679012345679) internal successors, (436), 327 states have internal predecessors, (436), 63 states have call successors, (63), 4 states have call predecessors, (63), 4 states have return successors, (63), 60 states have call predecessors, (63), 63 states have call successors, (63) [2023-12-21 01:47:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 562 transitions. [2023-12-21 01:47:33,071 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 562 transitions. Word has length 155 [2023-12-21 01:47:33,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:33,072 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 562 transitions. [2023-12-21 01:47:33,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:33,072 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 562 transitions. [2023-12-21 01:47:33,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-21 01:47:33,073 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:33,073 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:33,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:33,280 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 [2023-12-21 01:47:33,280 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:33,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:33,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1670305911, now seen corresponding path program 1 times [2023-12-21 01:47:33,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:33,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253551960] [2023-12-21 01:47:33,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:33,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:33,304 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:33,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1155161030] [2023-12-21 01:47:33,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:33,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:33,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:33,321 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) [2023-12-21 01:47:33,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-21 01:47:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:33,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-21 01:47:33,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:33,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2023-12-21 01:47:33,949 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 23 treesize of output 15 [2023-12-21 01:47:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:33,961 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:33,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:33,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253551960] [2023-12-21 01:47:33,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:33,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155161030] [2023-12-21 01:47:33,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155161030] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:33,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:33,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 01:47:33,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946634337] [2023-12-21 01:47:33,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:33,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 01:47:33,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:33,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 01:47:33,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-21 01:47:33,963 INFO L87 Difference]: Start difference. First operand 392 states and 562 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:34,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:34,382 INFO L93 Difference]: Finished difference Result 1063 states and 1518 transitions. [2023-12-21 01:47:34,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 01:47:34,383 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-21 01:47:34,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:34,385 INFO L225 Difference]: With dead ends: 1063 [2023-12-21 01:47:34,385 INFO L226 Difference]: Without dead ends: 672 [2023-12-21 01:47:34,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-12-21 01:47:34,386 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 237 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:34,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 939 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-21 01:47:34,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2023-12-21 01:47:34,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 491. [2023-12-21 01:47:34,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 403 states have (on average 1.337468982630273) internal successors, (539), 406 states have internal predecessors, (539), 82 states have call successors, (82), 5 states have call predecessors, (82), 5 states have return successors, (82), 79 states have call predecessors, (82), 82 states have call successors, (82) [2023-12-21 01:47:34,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 703 transitions. [2023-12-21 01:47:34,425 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 703 transitions. Word has length 156 [2023-12-21 01:47:34,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:34,426 INFO L495 AbstractCegarLoop]: Abstraction has 491 states and 703 transitions. [2023-12-21 01:47:34,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 703 transitions. [2023-12-21 01:47:34,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-21 01:47:34,427 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:34,427 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:34,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:34,634 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 [2023-12-21 01:47:34,634 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:34,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:34,635 INFO L85 PathProgramCache]: Analyzing trace with hash -2091101462, now seen corresponding path program 1 times [2023-12-21 01:47:34,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:34,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238828207] [2023-12-21 01:47:34,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:34,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:34,656 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:34,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [843659817] [2023-12-21 01:47:34,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:34,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:34,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:34,658 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) [2023-12-21 01:47:34,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-21 01:47:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:34,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-21 01:47:34,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:34,882 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 31 treesize of output 30 [2023-12-21 01:47:34,909 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 01:47:34,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 20 [2023-12-21 01:47:34,911 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 23 treesize of output 11 [2023-12-21 01:47:34,918 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:34,918 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:34,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:34,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238828207] [2023-12-21 01:47:34,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:34,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843659817] [2023-12-21 01:47:34,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843659817] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:34,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:34,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 01:47:34,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758792441] [2023-12-21 01:47:34,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:34,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 01:47:34,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:34,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 01:47:34,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-21 01:47:34,920 INFO L87 Difference]: Start difference. First operand 491 states and 703 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:35,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:35,134 INFO L93 Difference]: Finished difference Result 1208 states and 1729 transitions. [2023-12-21 01:47:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 01:47:35,135 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-21 01:47:35,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:35,138 INFO L225 Difference]: With dead ends: 1208 [2023-12-21 01:47:35,138 INFO L226 Difference]: Without dead ends: 813 [2023-12-21 01:47:35,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-21 01:47:35,139 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 236 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:35,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 969 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 01:47:35,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2023-12-21 01:47:35,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 506. [2023-12-21 01:47:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 418 states have (on average 1.332535885167464) internal successors, (557), 421 states have internal predecessors, (557), 82 states have call successors, (82), 5 states have call predecessors, (82), 5 states have return successors, (82), 79 states have call predecessors, (82), 82 states have call successors, (82) [2023-12-21 01:47:35,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 721 transitions. [2023-12-21 01:47:35,164 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 721 transitions. Word has length 156 [2023-12-21 01:47:35,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:35,164 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 721 transitions. [2023-12-21 01:47:35,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 721 transitions. [2023-12-21 01:47:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-21 01:47:35,166 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:35,166 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:35,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:35,371 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 [2023-12-21 01:47:35,371 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:35,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:35,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1504295448, now seen corresponding path program 1 times [2023-12-21 01:47:35,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:35,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571847311] [2023-12-21 01:47:35,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:35,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:35,397 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:35,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [502449819] [2023-12-21 01:47:35,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:35,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:35,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:35,398 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) [2023-12-21 01:47:35,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-21 01:47:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:35,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-21 01:47:35,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:35,614 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 7 treesize of output 3 [2023-12-21 01:47:35,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-21 01:47:35,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-21 01:47:36,127 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 [2023-12-21 01:47:36,147 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 21 treesize of output 20 [2023-12-21 01:47:36,191 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:36,191 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:36,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:36,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571847311] [2023-12-21 01:47:36,191 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:36,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502449819] [2023-12-21 01:47:36,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502449819] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:36,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:36,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 01:47:36,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841890445] [2023-12-21 01:47:36,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:36,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 01:47:36,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:36,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 01:47:36,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-21 01:47:36,193 INFO L87 Difference]: Start difference. First operand 506 states and 721 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:36,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:36,681 INFO L93 Difference]: Finished difference Result 1955 states and 2769 transitions. [2023-12-21 01:47:36,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 01:47:36,682 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-21 01:47:36,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:36,687 INFO L225 Difference]: With dead ends: 1955 [2023-12-21 01:47:36,687 INFO L226 Difference]: Without dead ends: 1547 [2023-12-21 01:47:36,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-21 01:47:36,688 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 418 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:36,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1113 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-21 01:47:36,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2023-12-21 01:47:36,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 933. [2023-12-21 01:47:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 778 states have (on average 1.3277634961439588) internal successors, (1033), 784 states have internal predecessors, (1033), 145 states have call successors, (145), 9 states have call predecessors, (145), 9 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-21 01:47:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1323 transitions. [2023-12-21 01:47:36,739 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1323 transitions. Word has length 156 [2023-12-21 01:47:36,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:36,740 INFO L495 AbstractCegarLoop]: Abstraction has 933 states and 1323 transitions. [2023-12-21 01:47:36,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:36,740 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1323 transitions. [2023-12-21 01:47:36,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-21 01:47:36,741 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:36,742 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:36,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:36,948 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 [2023-12-21 01:47:36,948 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:36,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:36,949 INFO L85 PathProgramCache]: Analyzing trace with hash 209721128, now seen corresponding path program 1 times [2023-12-21 01:47:36,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:36,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631503451] [2023-12-21 01:47:36,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:36,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:36,971 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:36,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1408922146] [2023-12-21 01:47:36,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:36,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:36,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:36,973 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) [2023-12-21 01:47:37,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-21 01:47:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:37,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-21 01:47:37,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:37,202 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 13 treesize of output 9 [2023-12-21 01:47:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-21 01:47:37,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 01:47:37,302 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:37,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:37,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631503451] [2023-12-21 01:47:37,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:37,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408922146] [2023-12-21 01:47:37,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408922146] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-21 01:47:37,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 01:47:37,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-12-21 01:47:37,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877161165] [2023-12-21 01:47:37,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:37,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 01:47:37,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:37,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 01:47:37,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-12-21 01:47:37,304 INFO L87 Difference]: Start difference. First operand 933 states and 1323 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:37,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:37,537 INFO L93 Difference]: Finished difference Result 2683 states and 3827 transitions. [2023-12-21 01:47:37,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 01:47:37,538 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-21 01:47:37,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:37,544 INFO L225 Difference]: With dead ends: 2683 [2023-12-21 01:47:37,544 INFO L226 Difference]: Without dead ends: 1887 [2023-12-21 01:47:37,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-12-21 01:47:37,546 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 249 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:37,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 1480 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 01:47:37,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2023-12-21 01:47:37,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 930. [2023-12-21 01:47:37,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 775 states have (on average 1.3251612903225807) internal successors, (1027), 781 states have internal predecessors, (1027), 145 states have call successors, (145), 9 states have call predecessors, (145), 9 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-21 01:47:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1317 transitions. [2023-12-21 01:47:37,605 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1317 transitions. Word has length 156 [2023-12-21 01:47:37,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:37,605 INFO L495 AbstractCegarLoop]: Abstraction has 930 states and 1317 transitions. [2023-12-21 01:47:37,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1317 transitions. [2023-12-21 01:47:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-21 01:47:37,607 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:37,607 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:37,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:37,816 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 [2023-12-21 01:47:37,816 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:37,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:37,817 INFO L85 PathProgramCache]: Analyzing trace with hash 985233514, now seen corresponding path program 1 times [2023-12-21 01:47:37,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:37,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698255323] [2023-12-21 01:47:37,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:37,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:37,841 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:37,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [969020637] [2023-12-21 01:47:37,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:37,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:37,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:37,858 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) [2023-12-21 01:47:37,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-21 01:47:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:38,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-21 01:47:38,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:38,126 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 13 treesize of output 9 [2023-12-21 01:47:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-21 01:47:38,151 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 01:47:38,226 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:38,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:38,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698255323] [2023-12-21 01:47:38,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:38,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969020637] [2023-12-21 01:47:38,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969020637] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-21 01:47:38,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 01:47:38,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-12-21 01:47:38,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686763838] [2023-12-21 01:47:38,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:38,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 01:47:38,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:38,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 01:47:38,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-12-21 01:47:38,227 INFO L87 Difference]: Start difference. First operand 930 states and 1317 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:38,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:38,444 INFO L93 Difference]: Finished difference Result 2244 states and 3194 transitions. [2023-12-21 01:47:38,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-21 01:47:38,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-21 01:47:38,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:38,450 INFO L225 Difference]: With dead ends: 2244 [2023-12-21 01:47:38,450 INFO L226 Difference]: Without dead ends: 1841 [2023-12-21 01:47:38,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2023-12-21 01:47:38,451 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 230 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:38,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 1412 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 01:47:38,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-12-21 01:47:38,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 930. [2023-12-21 01:47:38,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 775 states have (on average 1.3251612903225807) internal successors, (1027), 781 states have internal predecessors, (1027), 145 states have call successors, (145), 9 states have call predecessors, (145), 9 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-21 01:47:38,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1317 transitions. [2023-12-21 01:47:38,504 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1317 transitions. Word has length 156 [2023-12-21 01:47:38,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:38,505 INFO L495 AbstractCegarLoop]: Abstraction has 930 states and 1317 transitions. [2023-12-21 01:47:38,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:38,505 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1317 transitions. [2023-12-21 01:47:38,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-21 01:47:38,506 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:38,506 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:38,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:38,712 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 [2023-12-21 01:47:38,712 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:38,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:38,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1008911192, now seen corresponding path program 1 times [2023-12-21 01:47:38,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:38,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332734606] [2023-12-21 01:47:38,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:38,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:38,740 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:38,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420934224] [2023-12-21 01:47:38,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:38,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:38,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:38,741 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) [2023-12-21 01:47:38,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-21 01:47:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:38,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-21 01:47:38,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:38,969 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 32 treesize of output 31 [2023-12-21 01:47:38,997 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 01:47:38,997 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 35 treesize of output 21 [2023-12-21 01:47:38,999 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 24 treesize of output 12 [2023-12-21 01:47:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:39,008 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:39,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:39,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332734606] [2023-12-21 01:47:39,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:39,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420934224] [2023-12-21 01:47:39,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420934224] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:39,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:39,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 01:47:39,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352305708] [2023-12-21 01:47:39,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:39,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 01:47:39,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:39,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 01:47:39,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-21 01:47:39,010 INFO L87 Difference]: Start difference. First operand 930 states and 1317 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:39,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:39,290 INFO L93 Difference]: Finished difference Result 1825 states and 2594 transitions. [2023-12-21 01:47:39,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 01:47:39,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-21 01:47:39,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:39,295 INFO L225 Difference]: With dead ends: 1825 [2023-12-21 01:47:39,295 INFO L226 Difference]: Without dead ends: 1418 [2023-12-21 01:47:39,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-21 01:47:39,297 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 183 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:39,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1258 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 01:47:39,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2023-12-21 01:47:39,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 921. [2023-12-21 01:47:39,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 766 states have (on average 1.321148825065274) internal successors, (1012), 772 states have internal predecessors, (1012), 145 states have call successors, (145), 9 states have call predecessors, (145), 9 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-21 01:47:39,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1302 transitions. [2023-12-21 01:47:39,369 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1302 transitions. Word has length 156 [2023-12-21 01:47:39,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:39,370 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1302 transitions. [2023-12-21 01:47:39,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:39,370 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1302 transitions. [2023-12-21 01:47:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-21 01:47:39,372 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:39,372 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:39,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:39,578 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 [2023-12-21 01:47:39,579 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:39,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:39,579 INFO L85 PathProgramCache]: Analyzing trace with hash -126693986, now seen corresponding path program 1 times [2023-12-21 01:47:39,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:39,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317250811] [2023-12-21 01:47:39,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:39,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:39,608 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:39,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1039610264] [2023-12-21 01:47:39,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:39,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:39,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:39,609 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) [2023-12-21 01:47:39,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-21 01:47:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:39,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-21 01:47:39,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:39,834 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:39,835 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:39,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:39,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317250811] [2023-12-21 01:47:39,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:39,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039610264] [2023-12-21 01:47:39,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039610264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:39,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:39,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 01:47:39,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205265285] [2023-12-21 01:47:39,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:39,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 01:47:39,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:39,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 01:47:39,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 01:47:39,836 INFO L87 Difference]: Start difference. First operand 921 states and 1302 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:39,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:39,899 INFO L93 Difference]: Finished difference Result 1805 states and 2560 transitions. [2023-12-21 01:47:39,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 01:47:39,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 157 [2023-12-21 01:47:39,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:39,902 INFO L225 Difference]: With dead ends: 1805 [2023-12-21 01:47:39,902 INFO L226 Difference]: Without dead ends: 1017 [2023-12-21 01:47:39,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-21 01:47:39,904 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 45 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:39,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 621 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 01:47:39,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2023-12-21 01:47:39,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 945. [2023-12-21 01:47:39,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 790 states have (on average 1.3113924050632912) internal successors, (1036), 796 states have internal predecessors, (1036), 145 states have call successors, (145), 9 states have call predecessors, (145), 9 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-21 01:47:39,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1326 transitions. [2023-12-21 01:47:39,949 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1326 transitions. Word has length 157 [2023-12-21 01:47:39,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:39,949 INFO L495 AbstractCegarLoop]: Abstraction has 945 states and 1326 transitions. [2023-12-21 01:47:39,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:39,950 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1326 transitions. [2023-12-21 01:47:39,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-21 01:47:39,951 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:39,951 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:39,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:40,157 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 [2023-12-21 01:47:40,157 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:40,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:40,158 INFO L85 PathProgramCache]: Analyzing trace with hash 585274091, now seen corresponding path program 1 times [2023-12-21 01:47:40,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:40,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122470179] [2023-12-21 01:47:40,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:40,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:40,190 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:40,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105404711] [2023-12-21 01:47:40,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:40,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:40,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:40,208 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 01:47:40,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-21 01:47:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:40,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-21 01:47:40,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:40,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2023-12-21 01:47:40,827 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 24 treesize of output 16 [2023-12-21 01:47:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:40,839 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:40,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:40,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122470179] [2023-12-21 01:47:40,839 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:40,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105404711] [2023-12-21 01:47:40,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105404711] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:40,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:40,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 01:47:40,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295227265] [2023-12-21 01:47:40,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:40,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 01:47:40,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:40,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 01:47:40,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-21 01:47:40,840 INFO L87 Difference]: Start difference. First operand 945 states and 1326 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:41,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:41,181 INFO L93 Difference]: Finished difference Result 2019 states and 2818 transitions. [2023-12-21 01:47:41,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 01:47:41,182 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 157 [2023-12-21 01:47:41,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:41,185 INFO L225 Difference]: With dead ends: 2019 [2023-12-21 01:47:41,185 INFO L226 Difference]: Without dead ends: 1207 [2023-12-21 01:47:41,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-12-21 01:47:41,188 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 269 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:41,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 682 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-21 01:47:41,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2023-12-21 01:47:41,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1003. [2023-12-21 01:47:41,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 848 states have (on average 1.3018867924528301) internal successors, (1104), 854 states have internal predecessors, (1104), 145 states have call successors, (145), 9 states have call predecessors, (145), 9 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-21 01:47:41,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1394 transitions. [2023-12-21 01:47:41,235 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1394 transitions. Word has length 157 [2023-12-21 01:47:41,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:41,235 INFO L495 AbstractCegarLoop]: Abstraction has 1003 states and 1394 transitions. [2023-12-21 01:47:41,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:41,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1394 transitions. [2023-12-21 01:47:41,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-21 01:47:41,258 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:41,258 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:41,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-12-21 01:47:41,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-21 01:47:41,465 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:41,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:41,465 INFO L85 PathProgramCache]: Analyzing trace with hash -387139132, now seen corresponding path program 1 times [2023-12-21 01:47:41,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:41,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207832336] [2023-12-21 01:47:41,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:41,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:41,501 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:41,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [439096044] [2023-12-21 01:47:41,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:41,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:41,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:41,515 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 01:47:41,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-21 01:47:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:41,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-21 01:47:41,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:42,005 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 34 treesize of output 14 [2023-12-21 01:47:42,169 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 29 treesize of output 13 [2023-12-21 01:47:42,263 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 37 treesize of output 30 [2023-12-21 01:47:42,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 01:47:42,538 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 108 treesize of output 64 [2023-12-21 01:47:42,585 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 452 proven. 60 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-12-21 01:47:42,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 01:47:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:42,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:42,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207832336] [2023-12-21 01:47:42,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:42,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439096044] [2023-12-21 01:47:42,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439096044] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-21 01:47:42,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 01:47:42,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [23] total 30 [2023-12-21 01:47:42,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672346840] [2023-12-21 01:47:42,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:42,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-21 01:47:42,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:42,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-21 01:47:42,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2023-12-21 01:47:42,823 INFO L87 Difference]: Start difference. First operand 1003 states and 1394 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:43,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:43,391 INFO L93 Difference]: Finished difference Result 2485 states and 3455 transitions. [2023-12-21 01:47:43,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-21 01:47:43,391 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2023-12-21 01:47:43,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:43,396 INFO L225 Difference]: With dead ends: 2485 [2023-12-21 01:47:43,396 INFO L226 Difference]: Without dead ends: 1673 [2023-12-21 01:47:43,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=206, Invalid=1200, Unknown=0, NotChecked=0, Total=1406 [2023-12-21 01:47:43,398 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 783 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:43,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1695 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-21 01:47:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2023-12-21 01:47:43,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1439. [2023-12-21 01:47:43,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 1247 states have (on average 1.3039294306335205) internal successors, (1626), 1257 states have internal predecessors, (1626), 177 states have call successors, (177), 14 states have call predecessors, (177), 14 states have return successors, (177), 167 states have call predecessors, (177), 177 states have call successors, (177) [2023-12-21 01:47:43,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 1980 transitions. [2023-12-21 01:47:43,460 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 1980 transitions. Word has length 158 [2023-12-21 01:47:43,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:43,461 INFO L495 AbstractCegarLoop]: Abstraction has 1439 states and 1980 transitions. [2023-12-21 01:47:43,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1980 transitions. [2023-12-21 01:47:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-21 01:47:43,462 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:43,462 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:43,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:43,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-21 01:47:43,670 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:43,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:43,671 INFO L85 PathProgramCache]: Analyzing trace with hash 999064262, now seen corresponding path program 1 times [2023-12-21 01:47:43,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:43,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324400596] [2023-12-21 01:47:43,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:43,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:43,694 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:43,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [930214115] [2023-12-21 01:47:43,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:43,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:43,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:43,709 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 01:47:43,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-21 01:47:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:43,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-21 01:47:43,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:44,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-21 01:47:44,294 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 01:47:44,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-12-21 01:47:44,369 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 01:47:44,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2023-12-21 01:47:44,379 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-12-21 01:47:44,379 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 01:47:44,561 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-21 01:47:44,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:44,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324400596] [2023-12-21 01:47:44,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:44,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930214115] [2023-12-21 01:47:44,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930214115] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 01:47:44,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 01:47:44,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-12-21 01:47:44,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980472645] [2023-12-21 01:47:44,562 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 01:47:44,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-21 01:47:44,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:44,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-21 01:47:44,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-12-21 01:47:44,564 INFO L87 Difference]: Start difference. First operand 1439 states and 1980 transitions. Second operand has 14 states, 12 states have (on average 9.583333333333334) internal successors, (115), 14 states have internal predecessors, (115), 6 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 6 states have call successors, (38) [2023-12-21 01:47:45,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:45,031 INFO L93 Difference]: Finished difference Result 2884 states and 3985 transitions. [2023-12-21 01:47:45,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-21 01:47:45,032 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 9.583333333333334) internal successors, (115), 14 states have internal predecessors, (115), 6 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 6 states have call successors, (38) Word has length 158 [2023-12-21 01:47:45,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:45,038 INFO L225 Difference]: With dead ends: 2884 [2023-12-21 01:47:45,038 INFO L226 Difference]: Without dead ends: 1649 [2023-12-21 01:47:45,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2023-12-21 01:47:45,040 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 242 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:45,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 1337 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-21 01:47:45,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2023-12-21 01:47:45,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1639. [2023-12-21 01:47:45,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1407 states have (on average 1.3041933191186923) internal successors, (1835), 1418 states have internal predecessors, (1835), 212 states have call successors, (212), 19 states have call predecessors, (212), 19 states have return successors, (212), 201 states have call predecessors, (212), 212 states have call successors, (212) [2023-12-21 01:47:45,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2259 transitions. [2023-12-21 01:47:45,128 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 2259 transitions. Word has length 158 [2023-12-21 01:47:45,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:45,128 INFO L495 AbstractCegarLoop]: Abstraction has 1639 states and 2259 transitions. [2023-12-21 01:47:45,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 9.583333333333334) internal successors, (115), 14 states have internal predecessors, (115), 6 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 6 states have call successors, (38) [2023-12-21 01:47:45,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2259 transitions. [2023-12-21 01:47:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-21 01:47:45,130 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:45,130 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:45,150 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:45,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-21 01:47:45,337 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:45,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:45,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1583729529, now seen corresponding path program 1 times [2023-12-21 01:47:45,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:45,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708106162] [2023-12-21 01:47:45,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:45,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:45,360 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:45,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1066426216] [2023-12-21 01:47:45,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:45,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:45,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:45,361 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 01:47:45,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-21 01:47:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:45,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-21 01:47:45,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:45,662 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:45,662 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:45,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:45,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708106162] [2023-12-21 01:47:45,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:45,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066426216] [2023-12-21 01:47:45,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066426216] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:45,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:45,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 01:47:45,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231485073] [2023-12-21 01:47:45,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:45,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 01:47:45,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:45,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 01:47:45,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 01:47:45,664 INFO L87 Difference]: Start difference. First operand 1639 states and 2259 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:45,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:45,731 INFO L93 Difference]: Finished difference Result 3707 states and 5077 transitions. [2023-12-21 01:47:45,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 01:47:45,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 159 [2023-12-21 01:47:45,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:45,738 INFO L225 Difference]: With dead ends: 3707 [2023-12-21 01:47:45,738 INFO L226 Difference]: Without dead ends: 2302 [2023-12-21 01:47:45,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 01:47:45,740 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 35 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:45,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 315 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 01:47:45,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2302 states. [2023-12-21 01:47:45,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2302 to 2104. [2023-12-21 01:47:45,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 1872 states have (on average 1.2799145299145298) internal successors, (2396), 1883 states have internal predecessors, (2396), 212 states have call successors, (212), 19 states have call predecessors, (212), 19 states have return successors, (212), 201 states have call predecessors, (212), 212 states have call successors, (212) [2023-12-21 01:47:45,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2820 transitions. [2023-12-21 01:47:45,813 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2820 transitions. Word has length 159 [2023-12-21 01:47:45,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:45,813 INFO L495 AbstractCegarLoop]: Abstraction has 2104 states and 2820 transitions. [2023-12-21 01:47:45,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:45,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2820 transitions. [2023-12-21 01:47:45,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-21 01:47:45,815 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:45,815 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:45,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:46,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-21 01:47:46,021 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:46,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:46,022 INFO L85 PathProgramCache]: Analyzing trace with hash -870639892, now seen corresponding path program 1 times [2023-12-21 01:47:46,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:46,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958652301] [2023-12-21 01:47:46,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:46,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:46,043 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:46,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2126944796] [2023-12-21 01:47:46,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:46,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:46,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:46,056 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 01:47:46,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-12-21 01:47:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 01:47:46,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-21 01:47:46,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 01:47:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-21 01:47:46,374 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 01:47:46,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 01:47:46,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958652301] [2023-12-21 01:47:46,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 01:47:46,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126944796] [2023-12-21 01:47:46,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126944796] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 01:47:46,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 01:47:46,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 01:47:46,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059368959] [2023-12-21 01:47:46,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 01:47:46,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 01:47:46,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 01:47:46,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 01:47:46,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 01:47:46,375 INFO L87 Difference]: Start difference. First operand 2104 states and 2820 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:46,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 01:47:46,472 INFO L93 Difference]: Finished difference Result 3922 states and 5297 transitions. [2023-12-21 01:47:46,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 01:47:46,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 159 [2023-12-21 01:47:46,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 01:47:46,478 INFO L225 Difference]: With dead ends: 3922 [2023-12-21 01:47:46,478 INFO L226 Difference]: Without dead ends: 2188 [2023-12-21 01:47:46,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-21 01:47:46,481 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 21 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 01:47:46,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 614 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 01:47:46,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2023-12-21 01:47:46,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2146. [2023-12-21 01:47:46,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 1914 states have (on average 1.2737722048066875) internal successors, (2438), 1925 states have internal predecessors, (2438), 212 states have call successors, (212), 19 states have call predecessors, (212), 19 states have return successors, (212), 201 states have call predecessors, (212), 212 states have call successors, (212) [2023-12-21 01:47:46,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2862 transitions. [2023-12-21 01:47:46,554 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2862 transitions. Word has length 159 [2023-12-21 01:47:46,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 01:47:46,554 INFO L495 AbstractCegarLoop]: Abstraction has 2146 states and 2862 transitions. [2023-12-21 01:47:46,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-21 01:47:46,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2862 transitions. [2023-12-21 01:47:46,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-21 01:47:46,556 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 01:47:46,556 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:46,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:46,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:46,762 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 01:47:46,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 01:47:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash -86238399, now seen corresponding path program 1 times [2023-12-21 01:47:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 01:47:46,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055057592] [2023-12-21 01:47:46,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:46,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 01:47:46,787 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 01:47:46,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [60159777] [2023-12-21 01:47:46,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 01:47:46,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:46,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 01:47:46,789 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 01:47:46,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-12-21 01:47:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 01:47:47,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-21 01:47:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 01:47:47,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-21 01:47:47,529 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-21 01:47:47,530 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 01:47:47,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-12-21 01:47:47,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 01:47:47,742 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 01:47:47,745 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 01:47:47,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 01:47:47 BoogieIcfgContainer [2023-12-21 01:47:47,833 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 01:47:47,833 INFO L158 Benchmark]: Toolchain (without parser) took 21243.75ms. Allocated memory was 230.7MB in the beginning and 443.5MB in the end (delta: 212.9MB). Free memory was 173.8MB in the beginning and 190.6MB in the end (delta: -16.8MB). Peak memory consumption was 197.0MB. Max. memory is 8.0GB. [2023-12-21 01:47:47,833 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 191.9MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 01:47:47,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.45ms. Allocated memory is still 230.7MB. Free memory was 173.8MB in the beginning and 158.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-21 01:47:47,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.10ms. Allocated memory is still 230.7MB. Free memory was 158.1MB in the beginning and 153.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-21 01:47:47,834 INFO L158 Benchmark]: Boogie Preprocessor took 95.21ms. Allocated memory is still 230.7MB. Free memory was 153.9MB in the beginning and 148.7MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-21 01:47:47,834 INFO L158 Benchmark]: RCFGBuilder took 563.86ms. Allocated memory is still 230.7MB. Free memory was 148.7MB in the beginning and 110.4MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2023-12-21 01:47:47,834 INFO L158 Benchmark]: TraceAbstraction took 20232.47ms. Allocated memory was 230.7MB in the beginning and 443.5MB in the end (delta: 212.9MB). Free memory was 109.9MB in the beginning and 190.6MB in the end (delta: -80.8MB). Peak memory consumption was 133.1MB. Max. memory is 8.0GB. [2023-12-21 01:47:47,835 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 191.9MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 281.45ms. Allocated memory is still 230.7MB. Free memory was 173.8MB in the beginning and 158.1MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.10ms. Allocated memory is still 230.7MB. Free memory was 158.1MB in the beginning and 153.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 95.21ms. Allocated memory is still 230.7MB. Free memory was 153.9MB in the beginning and 148.7MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 563.86ms. Allocated memory is still 230.7MB. Free memory was 148.7MB in the beginning and 110.4MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 20232.47ms. Allocated memory was 230.7MB in the beginning and 443.5MB in the end (delta: 212.9MB). Free memory was 109.9MB in the beginning and 190.6MB in the end (delta: -80.8MB). Peak memory consumption was 133.1MB. 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 105. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L37] unsigned char last_1_BOOL_unsigned_char_Array_0_2_ = 0; [L38] signed long int last_1_signed_long_int_Array_0_2_ = -32; [L39] unsigned long int last_1_unsigned_long_int_Array_0_0_ = 50; [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] CALL updateLastVariables() [L100] EXPR BOOL_unsigned_char_Array_0[2] [L100] last_1_BOOL_unsigned_char_Array_0_2_ = BOOL_unsigned_char_Array_0[2] [L101] EXPR signed_long_int_Array_0[2] [L101] last_1_signed_long_int_Array_0_2_ = signed_long_int_Array_0[2] [L102] EXPR unsigned_long_int_Array_0[0] [L102] last_1_unsigned_long_int_Array_0_0_ = unsigned_long_int_Array_0[0] [L112] RET updateLastVariables() [L113] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] 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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] 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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] double_Array_0[0][0] = __VERIFIER_nondet_double() [L75] EXPR double_Array_0[0][0] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F [L75] EXPR double_Array_0[0][0] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] RET assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] double_Array_0[1][0] = __VERIFIER_nondet_double() [L77] EXPR double_Array_0[1][0] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F [L77] EXPR double_Array_0[1][0] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] RET assume_abort_if_not((double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] double_Array_0[0][1] = __VERIFIER_nondet_double() [L79] EXPR double_Array_0[0][1] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F [L79] EXPR double_Array_0[0][1] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] RET assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] double_Array_0[1][1] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[1][1] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F [L81] EXPR double_Array_0[1][1] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR (double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR (double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not((double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] RET assume_abort_if_not((double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L83] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] RET assume_abort_if_not(signed_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 16) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 16) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] signed_long_int_Array_0[1] = __VERIFIER_nondet_long() [L86] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] CALL assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] RET assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[1] <= 17) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] RET assume_abort_if_not(signed_long_int_Array_0[1] <= 17) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L88] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L89] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L89] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L89] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L91] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L92] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L94] unsigned_short_int_Array_0[2] = __VERIFIER_nondet_ushort() [L95] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L95] RET assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] RET assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] RET assume_abort_if_not(unsigned_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L113] RET updateVariables() [L114] CALL step() [L43] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L43] COND TRUE (unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_ [L44] EXPR double_Array_0[1][0] [L44] EXPR double_Array_0[0][1] [L44] EXPR double_Array_0[1][1] [L44] EXPR double_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L44] COND FALSE !(((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) [L50] EXPR unsigned_short_int_Array_0[0] [L50] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L50] COND TRUE unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] EXPR ((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]) [L51] EXPR unsigned_short_int_Array_0[1] [L51] EXPR ((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] EXPR unsigned_short_int_Array_0[1] [L51] signed_long_int_Array_0[2] = (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]) [L53] COND FALSE !(\read(last_1_BOOL_unsigned_char_Array_0_2_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L56] EXPR unsigned_long_int_Array_0[1] [L56] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L56] EXPR ((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])) [L56] EXPR ((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L56] unsigned_long_int_Array_0[0] = ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))) [L57] EXPR unsigned_long_int_Array_0[0] [L57] unsigned long int stepLocal_1 = unsigned_long_int_Array_0[0]; [L58] EXPR unsigned_long_int_Array_0[0] [L58] unsigned long int stepLocal_0 = unsigned_long_int_Array_0[0]; [L59] EXPR signed_long_int_Array_0[2] [L59] EXPR signed_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) [L59] EXPR signed_long_int_Array_0[2] [L59] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, stepLocal_0=50, stepLocal_1=50, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] COND FALSE !((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > stepLocal_1) [L114] RET step() [L115] CALL, EXPR property() [L105] EXPR signed_long_int_Array_0[2] [L105] EXPR signed_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) [L105] EXPR signed_long_int_Array_0[2] [L105] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR unsigned_short_int_Array_0[2] [L105] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1 [L105] EXPR ((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) [L105] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) [L105] EXPR double_Array_0[1][0] [L105] EXPR double_Array_0[0][1] [L105] EXPR double_Array_0[1][1] [L105] EXPR double_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1 [L105] EXPR unsigned_short_int_Array_0[1] [L105] EXPR unsigned_short_int_Array_0[0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR (((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105-L106] return ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) ; [L115] RET, EXPR property() [L115] 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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_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}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.1s, OverallIterations: 20, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3656 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3640 mSDsluCounter, 16762 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12677 mSDsCounter, 311 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3829 IncrementalHoareTripleChecker+Invalid, 4140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 311 mSolverCounterUnsat, 4085 mSDtfsCounter, 3829 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3630 GetRequests, 3461 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2146occurred in iteration=19, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 19 MinimizatonAttempts, 4357 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 3429 NumberOfCodeBlocks, 3429 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3568 ConstructedInterpolants, 0 QuantifiedInterpolants, 14139 SizeOfPredicates, 128 NumberOfNonLiveVariables, 10080 ConjunctsInSsa, 276 ConjunctsInUnsatCore, 23 InterpolantComputations, 18 PerfectInterpolantSequences, 15636/15732 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 [2023-12-21 01:47:47,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...