/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 15:07:25,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 15:07:25,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 15:07:25,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 15:07:25,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 15:07:25,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 15:07:25,721 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 15:07:25,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 15:07:25,722 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 15:07:25,725 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 15:07:25,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 15:07:25,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 15:07:25,725 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 15:07:25,726 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 15:07:25,726 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 15:07:25,727 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 15:07:25,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 15:07:25,727 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 15:07:25,727 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 15:07:25,727 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 15:07:25,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 15:07:25,728 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 15:07:25,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 15:07:25,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 15:07:25,728 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 15:07:25,728 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 15:07:25,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 15:07:25,728 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 15:07:25,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 15:07:25,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 15:07:25,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 15:07:25,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 15:07:25,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 15:07:25,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 15:07:25,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 15:07:25,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 15:07:25,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 15:07:25,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 15:07:25,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 15:07:25,730 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 15:07:25,731 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 15:07:25,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 15:07:25,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 15:07:25,731 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 15:07:25,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 15:07:25,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 15:07:25,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 15:07:25,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 15:07:25,951 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 15:07:25,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i [2023-12-19 15:07:26,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 15:07:27,190 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 15:07:27,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-83.i [2023-12-19 15:07:27,204 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8976e949d/1a18d78b771e480fbe54b713c5d3025a/FLAG6bba58758 [2023-12-19 15:07:27,219 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8976e949d/1a18d78b771e480fbe54b713c5d3025a [2023-12-19 15:07:27,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 15:07:27,222 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 15:07:27,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 15:07:27,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 15:07:27,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 15:07:27,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190b9ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27, skipping insertion in model container [2023-12-19 15:07:27,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,256 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 15:07:27,355 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-83.i[916,929] [2023-12-19 15:07:27,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 15:07:27,405 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 15:07:27,412 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-83.i[916,929] [2023-12-19 15:07:27,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 15:07:27,447 INFO L206 MainTranslator]: Completed translation [2023-12-19 15:07:27,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27 WrapperNode [2023-12-19 15:07:27,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 15:07:27,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 15:07:27,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 15:07:27,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 15:07:27,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,512 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 528 [2023-12-19 15:07:27,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 15:07:27,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 15:07:27,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 15:07:27,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 15:07:27,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,526 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,541 INFO L175 MemorySlicer]: Split 130 memory accesses to 7 slices as follows [2, 6, 47, 21, 5, 9, 40]. 36 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 5, 2, 1, 1, 2]. The 16 writes are split as follows [0, 1, 7, 2, 1, 1, 4]. [2023-12-19 15:07:27,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 15:07:27,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 15:07:27,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 15:07:27,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 15:07:27,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (1/1) ... [2023-12-19 15:07:27,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 15:07:27,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:27,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-19 15:07:27,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-19 15:07:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 15:07:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-19 15:07:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-19 15:07:27,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-12-19 15:07:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-12-19 15:07:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-12-19 15:07:27,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-12-19 15:07:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-12-19 15:07:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-19 15:07:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-19 15:07:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-19 15:07:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-19 15:07:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-19 15:07:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-19 15:07:27,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-19 15:07:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-19 15:07:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-19 15:07:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-12-19 15:07:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-12-19 15:07:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-12-19 15:07:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-12-19 15:07:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-12-19 15:07:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-19 15:07:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-19 15:07:27,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-19 15:07:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-19 15:07:27,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-19 15:07:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-19 15:07:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-19 15:07:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-19 15:07:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-19 15:07:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-12-19 15:07:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-12-19 15:07:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-12-19 15:07:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-12-19 15:07:27,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-12-19 15:07:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 15:07:27,636 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 15:07:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 15:07:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 15:07:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-19 15:07:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-19 15:07:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-19 15:07:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-19 15:07:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-19 15:07:27,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 15:07:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 15:07:27,760 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 15:07:27,762 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 15:07:28,181 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 15:07:28,214 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 15:07:28,214 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 15:07:28,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:07:28 BoogieIcfgContainer [2023-12-19 15:07:28,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 15:07:28,216 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 15:07:28,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 15:07:28,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 15:07:28,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:07:27" (1/3) ... [2023-12-19 15:07:28,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c5ed9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:07:28, skipping insertion in model container [2023-12-19 15:07:28,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:07:27" (2/3) ... [2023-12-19 15:07:28,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23c5ed9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:07:28, skipping insertion in model container [2023-12-19 15:07:28,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:07:28" (3/3) ... [2023-12-19 15:07:28,220 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-83.i [2023-12-19 15:07:28,233 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 15:07:28,233 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 15:07:28,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 15:07:28,277 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;@3f964053, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 15:07:28,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 15:07:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 89 states have (on average 1.5168539325842696) internal successors, (135), 90 states have internal predecessors, (135), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-19 15:07:28,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-19 15:07:28,300 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:28,301 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:28,302 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:28,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:28,308 INFO L85 PathProgramCache]: Analyzing trace with hash 910318608, now seen corresponding path program 1 times [2023-12-19 15:07:28,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:28,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566274489] [2023-12-19 15:07:28,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:28,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:28,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:28,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566274489] [2023-12-19 15:07:28,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 15:07:28,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146004629] [2023-12-19 15:07:28,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:28,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:28,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:28,510 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:28,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 15:07:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:28,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 15:07:28,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:28,778 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-12-19 15:07:28,778 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:28,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146004629] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:28,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:28,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 15:07:28,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873636882] [2023-12-19 15:07:28,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:28,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 15:07:28,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:28,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 15:07:28,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 15:07:28,805 INFO L87 Difference]: Start difference. First operand has 103 states, 89 states have (on average 1.5168539325842696) internal successors, (135), 90 states have internal predecessors, (135), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-19 15:07:28,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:28,851 INFO L93 Difference]: Finished difference Result 203 states and 323 transitions. [2023-12-19 15:07:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 15:07:28,854 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2023-12-19 15:07:28,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:28,859 INFO L225 Difference]: With dead ends: 203 [2023-12-19 15:07:28,859 INFO L226 Difference]: Without dead ends: 101 [2023-12-19 15:07:28,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 15:07:28,863 INFO L413 NwaCegarLoop]: 142 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, 142 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:28,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:07:28,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-12-19 15:07:28,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-12-19 15:07:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 88 states have (on average 1.4090909090909092) internal successors, (124), 88 states have internal predecessors, (124), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-19 15:07:28,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2023-12-19 15:07:28,905 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 101 [2023-12-19 15:07:28,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:28,905 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2023-12-19 15:07:28,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-19 15:07:28,905 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2023-12-19 15:07:28,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-19 15:07:28,908 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:28,908 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:28,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-19 15:07:29,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-19 15:07:29,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:29,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:29,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1488018462, now seen corresponding path program 1 times [2023-12-19 15:07:29,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:29,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596367012] [2023-12-19 15:07:29,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:29,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:29,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:29,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596367012] [2023-12-19 15:07:29,198 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 15:07:29,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389496987] [2023-12-19 15:07:29,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:29,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:29,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:29,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:29,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 15:07:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:29,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 15:07:29,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:29,438 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-19 15:07:29,439 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:29,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389496987] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:29,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:29,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 15:07:29,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132581527] [2023-12-19 15:07:29,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:29,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 15:07:29,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:29,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 15:07:29,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 15:07:29,448 INFO L87 Difference]: Start difference. First operand 101 states and 146 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-19 15:07:29,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:29,498 INFO L93 Difference]: Finished difference Result 207 states and 300 transitions. [2023-12-19 15:07:29,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 15:07:29,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2023-12-19 15:07:29,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:29,501 INFO L225 Difference]: With dead ends: 207 [2023-12-19 15:07:29,501 INFO L226 Difference]: Without dead ends: 107 [2023-12-19 15:07:29,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:07:29,503 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 10 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:29,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 418 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:07:29,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-12-19 15:07:29,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2023-12-19 15:07:29,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 90 states have (on average 1.4) internal successors, (126), 90 states have internal predecessors, (126), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-19 15:07:29,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 148 transitions. [2023-12-19 15:07:29,510 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 148 transitions. Word has length 101 [2023-12-19 15:07:29,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:29,511 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 148 transitions. [2023-12-19 15:07:29,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-19 15:07:29,511 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 148 transitions. [2023-12-19 15:07:29,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-19 15:07:29,513 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:29,513 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:29,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:29,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-19 15:07:29,720 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:29,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:29,721 INFO L85 PathProgramCache]: Analyzing trace with hash -901742240, now seen corresponding path program 1 times [2023-12-19 15:07:29,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:29,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053430302] [2023-12-19 15:07:29,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:29,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:29,780 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:29,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1900726827] [2023-12-19 15:07:29,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:29,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:29,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:29,781 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:29,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 15:07:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:29,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 15:07:29,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:29,941 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:29,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:29,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053430302] [2023-12-19 15:07:29,941 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:29,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900726827] [2023-12-19 15:07:29,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900726827] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:29,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:29,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 15:07:29,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785829473] [2023-12-19 15:07:29,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:29,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 15:07:29,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:29,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 15:07:29,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 15:07:29,943 INFO L87 Difference]: Start difference. First operand 103 states and 148 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:29,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:29,971 INFO L93 Difference]: Finished difference Result 217 states and 312 transitions. [2023-12-19 15:07:29,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 15:07:29,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 101 [2023-12-19 15:07:29,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:29,973 INFO L225 Difference]: With dead ends: 217 [2023-12-19 15:07:29,973 INFO L226 Difference]: Without dead ends: 115 [2023-12-19 15:07:29,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:07:29,974 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 21 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:29,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 417 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:07:29,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-19 15:07:29,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 105. [2023-12-19 15:07:29,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 92 states have (on average 1.391304347826087) internal successors, (128), 92 states have internal predecessors, (128), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-19 15:07:29,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 150 transitions. [2023-12-19 15:07:29,980 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 150 transitions. Word has length 101 [2023-12-19 15:07:29,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:29,981 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 150 transitions. [2023-12-19 15:07:29,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 150 transitions. [2023-12-19 15:07:29,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-19 15:07:29,983 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:29,983 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:29,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:30,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:30,191 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:30,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:30,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1711088866, now seen corresponding path program 1 times [2023-12-19 15:07:30,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:30,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887761175] [2023-12-19 15:07:30,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:30,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:30,219 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:30,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [361057186] [2023-12-19 15:07:30,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:30,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:30,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:30,221 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:30,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 15:07:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:30,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 15:07:30,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:30,400 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:30,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:30,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887761175] [2023-12-19 15:07:30,400 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:30,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361057186] [2023-12-19 15:07:30,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361057186] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:30,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:30,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 15:07:30,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709716658] [2023-12-19 15:07:30,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:30,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 15:07:30,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:30,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 15:07:30,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 15:07:30,402 INFO L87 Difference]: Start difference. First operand 105 states and 150 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:30,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:30,434 INFO L93 Difference]: Finished difference Result 217 states and 310 transitions. [2023-12-19 15:07:30,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 15:07:30,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 101 [2023-12-19 15:07:30,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:30,437 INFO L225 Difference]: With dead ends: 217 [2023-12-19 15:07:30,438 INFO L226 Difference]: Without dead ends: 113 [2023-12-19 15:07:30,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:07:30,446 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 12 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:30,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 415 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:07:30,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-19 15:07:30,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 107. [2023-12-19 15:07:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 94 states have (on average 1.3829787234042554) internal successors, (130), 94 states have internal predecessors, (130), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-19 15:07:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 152 transitions. [2023-12-19 15:07:30,454 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 152 transitions. Word has length 101 [2023-12-19 15:07:30,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:30,455 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 152 transitions. [2023-12-19 15:07:30,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 152 transitions. [2023-12-19 15:07:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-19 15:07:30,457 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:30,457 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:30,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:30,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:30,658 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:30,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:30,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1653830564, now seen corresponding path program 1 times [2023-12-19 15:07:30,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:30,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271384669] [2023-12-19 15:07:30,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:30,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:30,680 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:30,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1894414712] [2023-12-19 15:07:30,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:30,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:30,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:30,688 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:30,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-19 15:07:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:30,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 15:07:30,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:30,858 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:30,858 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:30,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:30,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271384669] [2023-12-19 15:07:30,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:30,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894414712] [2023-12-19 15:07:30,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894414712] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:30,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:30,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 15:07:30,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647783316] [2023-12-19 15:07:30,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:30,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 15:07:30,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:30,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 15:07:30,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 15:07:30,861 INFO L87 Difference]: Start difference. First operand 107 states and 152 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:30,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:30,885 INFO L93 Difference]: Finished difference Result 217 states and 308 transitions. [2023-12-19 15:07:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 15:07:30,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 101 [2023-12-19 15:07:30,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:30,887 INFO L225 Difference]: With dead ends: 217 [2023-12-19 15:07:30,887 INFO L226 Difference]: Without dead ends: 111 [2023-12-19 15:07:30,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:07:30,889 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 3 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:30,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 415 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:07:30,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-12-19 15:07:30,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 109. [2023-12-19 15:07:30,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 96 states have (on average 1.375) internal successors, (132), 96 states have internal predecessors, (132), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-19 15:07:30,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 154 transitions. [2023-12-19 15:07:30,909 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 154 transitions. Word has length 101 [2023-12-19 15:07:30,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:30,909 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 154 transitions. [2023-12-19 15:07:30,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:30,910 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 154 transitions. [2023-12-19 15:07:30,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-19 15:07:30,913 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:30,913 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:30,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:31,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:31,126 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:31,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:31,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1653770982, now seen corresponding path program 1 times [2023-12-19 15:07:31,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:31,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222186462] [2023-12-19 15:07:31,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:31,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:31,149 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:31,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [560870018] [2023-12-19 15:07:31,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:31,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:31,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:31,151 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:31,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-19 15:07:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:31,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-19 15:07:31,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:31,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-19 15:07:31,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-19 15:07:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:31,397 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:31,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:31,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222186462] [2023-12-19 15:07:31,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:31,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560870018] [2023-12-19 15:07:31,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560870018] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:31,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:31,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 15:07:31,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911930282] [2023-12-19 15:07:31,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:31,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 15:07:31,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:31,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 15:07:31,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 15:07:31,398 INFO L87 Difference]: Start difference. First operand 109 states and 154 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:31,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:31,430 INFO L93 Difference]: Finished difference Result 256 states and 362 transitions. [2023-12-19 15:07:31,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-19 15:07:31,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 101 [2023-12-19 15:07:31,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:31,432 INFO L225 Difference]: With dead ends: 256 [2023-12-19 15:07:31,432 INFO L226 Difference]: Without dead ends: 148 [2023-12-19 15:07:31,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:07:31,433 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 145 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:31,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 418 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:07:31,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-12-19 15:07:31,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 109. [2023-12-19 15:07:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 96 states have internal predecessors, (131), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-19 15:07:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 153 transitions. [2023-12-19 15:07:31,447 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 153 transitions. Word has length 101 [2023-12-19 15:07:31,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:31,447 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 153 transitions. [2023-12-19 15:07:31,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 153 transitions. [2023-12-19 15:07:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-19 15:07:31,449 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:31,450 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:31,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:31,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:31,659 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:31,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:31,659 INFO L85 PathProgramCache]: Analyzing trace with hash -2039933652, now seen corresponding path program 1 times [2023-12-19 15:07:31,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:31,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852514048] [2023-12-19 15:07:31,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:31,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:31,679 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:31,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254787917] [2023-12-19 15:07:31,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:31,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:31,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:31,680 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:31,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-19 15:07:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:31,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-19 15:07:31,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:31,845 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:07:31,846 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 19 treesize of output 9 [2023-12-19 15:07:31,882 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 [2023-12-19 15:07:31,894 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:31,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:31,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:31,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852514048] [2023-12-19 15:07:31,894 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:31,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254787917] [2023-12-19 15:07:31,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254787917] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:31,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:31,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 15:07:31,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616805847] [2023-12-19 15:07:31,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:31,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 15:07:31,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:31,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 15:07:31,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:07:31,899 INFO L87 Difference]: Start difference. First operand 109 states and 153 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:31,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:31,971 INFO L93 Difference]: Finished difference Result 227 states and 320 transitions. [2023-12-19 15:07:31,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 15:07:31,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2023-12-19 15:07:31,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:31,972 INFO L225 Difference]: With dead ends: 227 [2023-12-19 15:07:31,972 INFO L226 Difference]: Without dead ends: 119 [2023-12-19 15:07:31,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:07:31,973 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 17 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:31,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 506 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 15:07:31,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-12-19 15:07:31,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 111. [2023-12-19 15:07:31,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.3571428571428572) internal successors, (133), 98 states have internal predecessors, (133), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-19 15:07:31,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 155 transitions. [2023-12-19 15:07:31,977 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 155 transitions. Word has length 102 [2023-12-19 15:07:31,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:31,977 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 155 transitions. [2023-12-19 15:07:31,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 155 transitions. [2023-12-19 15:07:31,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-19 15:07:31,978 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:31,978 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:31,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:32,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:32,186 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:32,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:32,187 INFO L85 PathProgramCache]: Analyzing trace with hash -832369601, now seen corresponding path program 1 times [2023-12-19 15:07:32,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:32,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366758118] [2023-12-19 15:07:32,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:32,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:32,206 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:32,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [188715862] [2023-12-19 15:07:32,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:32,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:32,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:32,207 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:32,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-19 15:07:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:32,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-19 15:07:32,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:32,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2023-12-19 15:07:32,489 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 70 treesize of output 54 [2023-12-19 15:07:32,494 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 73 treesize of output 31 [2023-12-19 15:07:32,520 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 81 proven. 33 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-19 15:07:32,521 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 15:07:32,606 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:32,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:32,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366758118] [2023-12-19 15:07:32,607 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:32,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188715862] [2023-12-19 15:07:32,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188715862] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 15:07:32,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 15:07:32,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 13 [2023-12-19 15:07:32,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166447601] [2023-12-19 15:07:32,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:32,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 15:07:32,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:32,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 15:07:32,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2023-12-19 15:07:32,608 INFO L87 Difference]: Start difference. First operand 111 states and 155 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:32,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:32,755 INFO L93 Difference]: Finished difference Result 342 states and 478 transitions. [2023-12-19 15:07:32,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 15:07:32,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-12-19 15:07:32,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:32,758 INFO L225 Difference]: With dead ends: 342 [2023-12-19 15:07:32,758 INFO L226 Difference]: Without dead ends: 232 [2023-12-19 15:07:32,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2023-12-19 15:07:32,759 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 235 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:32,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 778 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 15:07:32,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-12-19 15:07:32,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 201. [2023-12-19 15:07:32,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 181 states have (on average 1.3646408839779005) internal successors, (247), 182 states have internal predecessors, (247), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:07:32,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 281 transitions. [2023-12-19 15:07:32,767 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 281 transitions. Word has length 103 [2023-12-19 15:07:32,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:32,767 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 281 transitions. [2023-12-19 15:07:32,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 281 transitions. [2023-12-19 15:07:32,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-19 15:07:32,798 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:32,798 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:32,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:33,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-19 15:07:33,012 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:33,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:33,013 INFO L85 PathProgramCache]: Analyzing trace with hash -2112233279, now seen corresponding path program 1 times [2023-12-19 15:07:33,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:33,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129174921] [2023-12-19 15:07:33,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:33,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:33,031 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:33,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269753302] [2023-12-19 15:07:33,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:33,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:33,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:33,032 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:33,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-19 15:07:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:33,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-19 15:07:33,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:33,249 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 47 treesize of output 31 [2023-12-19 15:07:33,289 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 35 treesize of output 27 [2023-12-19 15:07:33,314 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 33 treesize of output 21 [2023-12-19 15:07:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:33,359 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:33,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:33,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129174921] [2023-12-19 15:07:33,360 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:33,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269753302] [2023-12-19 15:07:33,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269753302] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:33,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:33,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 15:07:33,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021089685] [2023-12-19 15:07:33,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:33,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 15:07:33,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:33,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 15:07:33,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:07:33,361 INFO L87 Difference]: Start difference. First operand 201 states and 281 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:34,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:34,209 INFO L93 Difference]: Finished difference Result 526 states and 737 transitions. [2023-12-19 15:07:34,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 15:07:34,209 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-12-19 15:07:34,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:34,212 INFO L225 Difference]: With dead ends: 526 [2023-12-19 15:07:34,212 INFO L226 Difference]: Without dead ends: 326 [2023-12-19 15:07:34,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-12-19 15:07:34,214 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 270 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:34,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 599 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-19 15:07:34,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2023-12-19 15:07:34,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 221. [2023-12-19 15:07:34,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 201 states have (on average 1.3781094527363185) internal successors, (277), 202 states have internal predecessors, (277), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:07:34,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 311 transitions. [2023-12-19 15:07:34,223 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 311 transitions. Word has length 103 [2023-12-19 15:07:34,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:34,223 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 311 transitions. [2023-12-19 15:07:34,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:34,223 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 311 transitions. [2023-12-19 15:07:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-19 15:07:34,224 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:34,224 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:34,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:34,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:34,430 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:34,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:34,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1161665663, now seen corresponding path program 1 times [2023-12-19 15:07:34,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:34,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870805204] [2023-12-19 15:07:34,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:34,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:34,448 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:34,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623577796] [2023-12-19 15:07:34,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:34,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:34,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:34,450 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:34,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-19 15:07:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:34,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 15:07:34,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:34,653 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 28 treesize of output 16 [2023-12-19 15:07:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:34,660 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:34,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:34,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870805204] [2023-12-19 15:07:34,660 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:34,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623577796] [2023-12-19 15:07:34,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623577796] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:34,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:34,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 15:07:34,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300372927] [2023-12-19 15:07:34,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:34,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 15:07:34,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:34,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 15:07:34,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:07:34,662 INFO L87 Difference]: Start difference. First operand 221 states and 311 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:34,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:34,784 INFO L93 Difference]: Finished difference Result 671 states and 943 transitions. [2023-12-19 15:07:34,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 15:07:34,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-12-19 15:07:34,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:34,786 INFO L225 Difference]: With dead ends: 671 [2023-12-19 15:07:34,787 INFO L226 Difference]: Without dead ends: 451 [2023-12-19 15:07:34,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:07:34,787 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 186 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:34,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 544 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 15:07:34,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2023-12-19 15:07:34,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 239. [2023-12-19 15:07:34,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 219 states have (on average 1.3789954337899544) internal successors, (302), 220 states have internal predecessors, (302), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:07:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 336 transitions. [2023-12-19 15:07:34,795 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 336 transitions. Word has length 103 [2023-12-19 15:07:34,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:34,795 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 336 transitions. [2023-12-19 15:07:34,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:34,795 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 336 transitions. [2023-12-19 15:07:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-19 15:07:34,796 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:34,796 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:34,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:35,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-19 15:07:35,003 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:35,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:35,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1090858433, now seen corresponding path program 1 times [2023-12-19 15:07:35,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:35,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33805341] [2023-12-19 15:07:35,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:35,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:35,035 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:35,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974119367] [2023-12-19 15:07:35,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:35,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:35,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:35,036 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:35,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-19 15:07:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:35,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-19 15:07:35,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:35,313 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 47 treesize of output 42 [2023-12-19 15:07:36,052 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:07:36,053 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 50 treesize of output 32 [2023-12-19 15:07:36,058 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 33 treesize of output 25 [2023-12-19 15:07:36,264 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 31 treesize of output 19 [2023-12-19 15:07:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:36,520 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:36,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:36,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33805341] [2023-12-19 15:07:36,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:36,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974119367] [2023-12-19 15:07:36,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974119367] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:36,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:36,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 15:07:36,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204499312] [2023-12-19 15:07:36,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:36,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 15:07:36,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:36,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 15:07:36,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:07:36,522 INFO L87 Difference]: Start difference. First operand 239 states and 336 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:42,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-12-19 15:07:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:43,471 INFO L93 Difference]: Finished difference Result 551 states and 773 transitions. [2023-12-19 15:07:43,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 15:07:43,472 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-12-19 15:07:43,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:43,473 INFO L225 Difference]: With dead ends: 551 [2023-12-19 15:07:43,473 INFO L226 Difference]: Without dead ends: 313 [2023-12-19 15:07:43,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-12-19 15:07:43,474 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 209 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:43,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 849 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 253 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2023-12-19 15:07:43,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-12-19 15:07:43,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 240. [2023-12-19 15:07:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 220 states have (on average 1.3772727272727272) internal successors, (303), 221 states have internal predecessors, (303), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-19 15:07:43,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 337 transitions. [2023-12-19 15:07:43,480 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 337 transitions. Word has length 103 [2023-12-19 15:07:43,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:43,480 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 337 transitions. [2023-12-19 15:07:43,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:43,480 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 337 transitions. [2023-12-19 15:07:43,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-19 15:07:43,481 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:43,481 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:43,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:43,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-19 15:07:43,691 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:43,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:43,691 INFO L85 PathProgramCache]: Analyzing trace with hash -189005245, now seen corresponding path program 1 times [2023-12-19 15:07:43,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:43,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304964266] [2023-12-19 15:07:43,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:43,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:43,716 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:43,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2083764326] [2023-12-19 15:07:43,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:43,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:43,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:43,718 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:43,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-19 15:07:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:43,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-19 15:07:43,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:43,910 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 [2023-12-19 15:07:43,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:07:43,942 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 [2023-12-19 15:07:43,960 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-19 15:07:43,960 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 15:07:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:44,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:44,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304964266] [2023-12-19 15:07:44,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:44,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083764326] [2023-12-19 15:07:44,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083764326] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 15:07:44,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 15:07:44,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-12-19 15:07:44,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530768506] [2023-12-19 15:07:44,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:44,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 15:07:44,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:44,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 15:07:44,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-12-19 15:07:44,034 INFO L87 Difference]: Start difference. First operand 240 states and 337 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:44,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:44,187 INFO L93 Difference]: Finished difference Result 606 states and 851 transitions. [2023-12-19 15:07:44,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 15:07:44,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-12-19 15:07:44,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:44,189 INFO L225 Difference]: With dead ends: 606 [2023-12-19 15:07:44,189 INFO L226 Difference]: Without dead ends: 367 [2023-12-19 15:07:44,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-12-19 15:07:44,190 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 215 mSDsluCounter, 826 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:44,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 1090 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 15:07:44,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2023-12-19 15:07:44,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 336. [2023-12-19 15:07:44,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 306 states have (on average 1.3725490196078431) internal successors, (420), 308 states have internal predecessors, (420), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-19 15:07:44,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 472 transitions. [2023-12-19 15:07:44,198 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 472 transitions. Word has length 103 [2023-12-19 15:07:44,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:44,198 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 472 transitions. [2023-12-19 15:07:44,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:44,198 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 472 transitions. [2023-12-19 15:07:44,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-19 15:07:44,199 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:44,199 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:44,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:44,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-19 15:07:44,406 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:44,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:44,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1673260927, now seen corresponding path program 1 times [2023-12-19 15:07:44,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:44,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100611394] [2023-12-19 15:07:44,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:44,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:44,429 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:44,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416329400] [2023-12-19 15:07:44,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:44,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:44,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:44,430 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:44,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-19 15:07:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:44,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-19 15:07:44,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:44,722 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 42 treesize of output 26 [2023-12-19 15:07:45,140 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 30 treesize of output 22 [2023-12-19 15:07:45,216 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 26 treesize of output 14 [2023-12-19 15:07:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:45,551 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:45,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:45,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100611394] [2023-12-19 15:07:45,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:45,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416329400] [2023-12-19 15:07:45,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416329400] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:45,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:45,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 15:07:45,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571886522] [2023-12-19 15:07:45,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:45,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 15:07:45,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:45,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 15:07:45,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:07:45,552 INFO L87 Difference]: Start difference. First operand 336 states and 472 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:47,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:47,465 INFO L93 Difference]: Finished difference Result 779 states and 1091 transitions. [2023-12-19 15:07:47,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 15:07:47,466 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-12-19 15:07:47,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:47,468 INFO L225 Difference]: With dead ends: 779 [2023-12-19 15:07:47,468 INFO L226 Difference]: Without dead ends: 444 [2023-12-19 15:07:47,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-12-19 15:07:47,469 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 250 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:47,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 757 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-19 15:07:47,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2023-12-19 15:07:47,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 336. [2023-12-19 15:07:47,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 306 states have (on average 1.3725490196078431) internal successors, (420), 308 states have internal predecessors, (420), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-19 15:07:47,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 472 transitions. [2023-12-19 15:07:47,479 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 472 transitions. Word has length 103 [2023-12-19 15:07:47,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:47,479 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 472 transitions. [2023-12-19 15:07:47,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:47,479 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 472 transitions. [2023-12-19 15:07:47,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-19 15:07:47,480 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:47,480 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:47,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:47,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-19 15:07:47,686 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:47,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:47,686 INFO L85 PathProgramCache]: Analyzing trace with hash 652192573, now seen corresponding path program 1 times [2023-12-19 15:07:47,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:47,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654655732] [2023-12-19 15:07:47,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:47,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:47,703 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:47,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1658502320] [2023-12-19 15:07:47,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:47,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:47,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:47,704 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:07:47,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-19 15:07:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:47,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-19 15:07:47,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:47,955 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 42 treesize of output 26 [2023-12-19 15:07:48,356 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 30 treesize of output 22 [2023-12-19 15:07:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:48,546 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:48,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:48,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654655732] [2023-12-19 15:07:48,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:48,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658502320] [2023-12-19 15:07:48,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658502320] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:48,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:48,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 15:07:48,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573330072] [2023-12-19 15:07:48,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:48,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 15:07:48,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:48,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 15:07:48,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:07:48,547 INFO L87 Difference]: Start difference. First operand 336 states and 472 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:50,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:50,771 INFO L93 Difference]: Finished difference Result 776 states and 1086 transitions. [2023-12-19 15:07:50,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 15:07:50,772 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-12-19 15:07:50,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:50,775 INFO L225 Difference]: With dead ends: 776 [2023-12-19 15:07:50,776 INFO L226 Difference]: Without dead ends: 441 [2023-12-19 15:07:50,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-12-19 15:07:50,777 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 208 mSDsluCounter, 823 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 1047 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:50,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 1047 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-19 15:07:50,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2023-12-19 15:07:50,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 334. [2023-12-19 15:07:50,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 304 states have (on average 1.3717105263157894) internal successors, (417), 306 states have internal predecessors, (417), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-19 15:07:50,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 469 transitions. [2023-12-19 15:07:50,785 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 469 transitions. Word has length 103 [2023-12-19 15:07:50,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:50,786 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 469 transitions. [2023-12-19 15:07:50,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:50,786 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 469 transitions. [2023-12-19 15:07:50,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-19 15:07:50,787 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:50,787 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:50,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:50,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:50,992 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:50,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:50,993 INFO L85 PathProgramCache]: Analyzing trace with hash 581385343, now seen corresponding path program 1 times [2023-12-19 15:07:50,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:50,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545963645] [2023-12-19 15:07:50,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:50,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:51,010 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:51,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1352094651] [2023-12-19 15:07:51,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:51,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:51,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:51,012 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) [2023-12-19 15:07:51,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-19 15:07:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:51,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-19 15:07:51,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:51,481 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 40 treesize of output 35 [2023-12-19 15:07:52,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:07:52,069 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 43 treesize of output 25 [2023-12-19 15:07:52,072 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 26 treesize of output 18 [2023-12-19 15:07:52,255 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 26 treesize of output 14 [2023-12-19 15:07:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:52,472 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:52,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:52,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545963645] [2023-12-19 15:07:52,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:52,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352094651] [2023-12-19 15:07:52,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352094651] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:52,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:52,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 15:07:52,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612185410] [2023-12-19 15:07:52,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:52,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 15:07:52,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:52,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 15:07:52,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-19 15:07:52,474 INFO L87 Difference]: Start difference. First operand 334 states and 469 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:55,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:55,957 INFO L93 Difference]: Finished difference Result 774 states and 1084 transitions. [2023-12-19 15:07:55,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 15:07:55,958 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-12-19 15:07:55,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:55,961 INFO L225 Difference]: With dead ends: 774 [2023-12-19 15:07:55,961 INFO L226 Difference]: Without dead ends: 441 [2023-12-19 15:07:55,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-12-19 15:07:55,962 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 252 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 910 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:55,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 910 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-19 15:07:55,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2023-12-19 15:07:55,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 334. [2023-12-19 15:07:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 304 states have (on average 1.3717105263157894) internal successors, (417), 306 states have internal predecessors, (417), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-19 15:07:55,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 469 transitions. [2023-12-19 15:07:55,970 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 469 transitions. Word has length 103 [2023-12-19 15:07:55,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:55,970 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 469 transitions. [2023-12-19 15:07:55,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 469 transitions. [2023-12-19 15:07:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-19 15:07:55,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:55,971 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:55,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:56,171 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 [2023-12-19 15:07:56,172 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:56,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:56,172 INFO L85 PathProgramCache]: Analyzing trace with hash -439683011, now seen corresponding path program 1 times [2023-12-19 15:07:56,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:56,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898497522] [2023-12-19 15:07:56,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:56,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:56,192 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:56,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185710582] [2023-12-19 15:07:56,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:56,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:56,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:56,193 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) [2023-12-19 15:07:56,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-19 15:07:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:56,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-19 15:07:56,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:56,475 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 40 treesize of output 35 [2023-12-19 15:07:56,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:07:56,781 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 43 treesize of output 25 [2023-12-19 15:07:56,783 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 26 treesize of output 18 [2023-12-19 15:07:57,045 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:57,045 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:57,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:57,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898497522] [2023-12-19 15:07:57,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:57,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1185710582] [2023-12-19 15:07:57,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1185710582] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:57,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:57,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 15:07:57,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993020362] [2023-12-19 15:07:57,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:57,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 15:07:57,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:57,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 15:07:57,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:07:57,046 INFO L87 Difference]: Start difference. First operand 334 states and 469 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:59,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:59,198 INFO L93 Difference]: Finished difference Result 771 states and 1079 transitions. [2023-12-19 15:07:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 15:07:59,199 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 103 [2023-12-19 15:07:59,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:59,200 INFO L225 Difference]: With dead ends: 771 [2023-12-19 15:07:59,200 INFO L226 Difference]: Without dead ends: 438 [2023-12-19 15:07:59,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-12-19 15:07:59,201 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 208 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:59,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 1069 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-19 15:07:59,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2023-12-19 15:07:59,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 332. [2023-12-19 15:07:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 302 states have (on average 1.3708609271523178) internal successors, (414), 304 states have internal predecessors, (414), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-19 15:07:59,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 466 transitions. [2023-12-19 15:07:59,208 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 466 transitions. Word has length 103 [2023-12-19 15:07:59,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:59,209 INFO L495 AbstractCegarLoop]: Abstraction has 332 states and 466 transitions. [2023-12-19 15:07:59,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:59,209 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 466 transitions. [2023-12-19 15:07:59,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-19 15:07:59,210 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:59,210 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:59,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:59,415 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 [2023-12-19 15:07:59,416 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:59,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:59,416 INFO L85 PathProgramCache]: Analyzing trace with hash -970685308, now seen corresponding path program 1 times [2023-12-19 15:07:59,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:59,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94584843] [2023-12-19 15:07:59,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:59,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:07:59,432 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:07:59,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [478867090] [2023-12-19 15:07:59,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:59,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:07:59,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:07:59,433 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) [2023-12-19 15:07:59,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-19 15:07:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:07:59,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-19 15:07:59,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:07:59,665 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 [2023-12-19 15:07:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:07:59,671 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:07:59,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:07:59,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94584843] [2023-12-19 15:07:59,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:07:59,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478867090] [2023-12-19 15:07:59,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478867090] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:07:59,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:07:59,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 15:07:59,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108479217] [2023-12-19 15:07:59,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:07:59,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 15:07:59,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:07:59,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 15:07:59,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:07:59,673 INFO L87 Difference]: Start difference. First operand 332 states and 466 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:59,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:07:59,776 INFO L93 Difference]: Finished difference Result 1000 states and 1400 transitions. [2023-12-19 15:07:59,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 15:07:59,777 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2023-12-19 15:07:59,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:07:59,779 INFO L225 Difference]: With dead ends: 1000 [2023-12-19 15:07:59,779 INFO L226 Difference]: Without dead ends: 669 [2023-12-19 15:07:59,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:07:59,780 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 145 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 15:07:59,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 661 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 15:07:59,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2023-12-19 15:07:59,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 422. [2023-12-19 15:07:59,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 392 states have (on average 1.375) internal successors, (539), 394 states have internal predecessors, (539), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-19 15:07:59,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 591 transitions. [2023-12-19 15:07:59,790 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 591 transitions. Word has length 105 [2023-12-19 15:07:59,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:07:59,791 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 591 transitions. [2023-12-19 15:07:59,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:07:59,791 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 591 transitions. [2023-12-19 15:07:59,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-19 15:07:59,792 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:07:59,792 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:07:59,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-12-19 15:07:59,996 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 [2023-12-19 15:07:59,996 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:07:59,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:07:59,997 INFO L85 PathProgramCache]: Analyzing trace with hash 501162481, now seen corresponding path program 1 times [2023-12-19 15:07:59,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:07:59,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392357219] [2023-12-19 15:07:59,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:07:59,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:08:00,013 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:08:00,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003960720] [2023-12-19 15:08:00,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:00,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:08:00,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:08:00,015 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) [2023-12-19 15:08:00,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-19 15:08:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:08:00,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 15:08:00,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:08:00,204 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:08:00,204 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:08:00,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:08:00,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392357219] [2023-12-19 15:08:00,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:08:00,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003960720] [2023-12-19 15:08:00,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003960720] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:08:00,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:08:00,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 15:08:00,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591410843] [2023-12-19 15:08:00,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:08:00,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 15:08:00,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:08:00,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 15:08:00,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 15:08:00,207 INFO L87 Difference]: Start difference. First operand 422 states and 591 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:08:00,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:08:00,222 INFO L93 Difference]: Finished difference Result 922 states and 1298 transitions. [2023-12-19 15:08:00,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 15:08:00,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2023-12-19 15:08:00,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:08:00,224 INFO L225 Difference]: With dead ends: 922 [2023-12-19 15:08:00,224 INFO L226 Difference]: Without dead ends: 501 [2023-12-19 15:08:00,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 15:08:00,225 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 40 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:08:00,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 286 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:08:00,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2023-12-19 15:08:00,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 410. [2023-12-19 15:08:00,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 380 states have (on average 1.3710526315789473) internal successors, (521), 382 states have internal predecessors, (521), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-19 15:08:00,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 573 transitions. [2023-12-19 15:08:00,234 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 573 transitions. Word has length 105 [2023-12-19 15:08:00,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:08:00,236 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 573 transitions. [2023-12-19 15:08:00,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:08:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 573 transitions. [2023-12-19 15:08:00,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-19 15:08:00,236 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:08:00,237 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:08:00,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-12-19 15:08:00,443 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 [2023-12-19 15:08:00,443 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:08:00,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:08:00,443 INFO L85 PathProgramCache]: Analyzing trace with hash 179271962, now seen corresponding path program 1 times [2023-12-19 15:08:00,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:08:00,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422583107] [2023-12-19 15:08:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:00,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:08:00,459 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:08:00,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [365565001] [2023-12-19 15:08:00,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:00,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:08:00,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:08:00,460 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) [2023-12-19 15:08:00,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-12-19 15:08:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:08:00,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-19 15:08:00,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:08:00,671 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 17 treesize of output 9 [2023-12-19 15:08:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:08:00,677 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:08:00,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:08:00,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422583107] [2023-12-19 15:08:00,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:08:00,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365565001] [2023-12-19 15:08:00,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365565001] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:08:00,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:08:00,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 15:08:00,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778427281] [2023-12-19 15:08:00,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:08:00,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 15:08:00,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:08:00,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 15:08:00,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:08:00,679 INFO L87 Difference]: Start difference. First operand 410 states and 573 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:08:00,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:08:00,710 INFO L93 Difference]: Finished difference Result 827 states and 1162 transitions. [2023-12-19 15:08:00,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 15:08:00,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2023-12-19 15:08:00,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:08:00,712 INFO L225 Difference]: With dead ends: 827 [2023-12-19 15:08:00,712 INFO L226 Difference]: Without dead ends: 418 [2023-12-19 15:08:00,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 15:08:00,713 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 143 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:08:00,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 525 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:08:00,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2023-12-19 15:08:00,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 382. [2023-12-19 15:08:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 352 states have (on average 1.3664772727272727) internal successors, (481), 354 states have internal predecessors, (481), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-19 15:08:00,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 533 transitions. [2023-12-19 15:08:00,724 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 533 transitions. Word has length 105 [2023-12-19 15:08:00,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:08:00,724 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 533 transitions. [2023-12-19 15:08:00,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:08:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 533 transitions. [2023-12-19 15:08:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-19 15:08:00,725 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:08:00,725 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:08:00,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-12-19 15:08:00,931 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 [2023-12-19 15:08:00,932 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:08:00,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:08:00,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1549396508, now seen corresponding path program 1 times [2023-12-19 15:08:00,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:08:00,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693826162] [2023-12-19 15:08:00,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:00,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:08:00,947 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:08:00,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [912607637] [2023-12-19 15:08:00,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:00,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:08:00,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:08:00,948 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) [2023-12-19 15:08:00,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-12-19 15:08:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:08:01,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-19 15:08:01,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:08:01,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-19 15:08:01,168 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 40 treesize of output 20 [2023-12-19 15:08:01,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-19 15:08:01,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-19 15:08:01,200 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:08:01,200 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 30 treesize of output 10 [2023-12-19 15:08:01,210 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-12-19 15:08:01,210 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:08:01,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:08:01,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693826162] [2023-12-19 15:08:01,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:08:01,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912607637] [2023-12-19 15:08:01,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912607637] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:08:01,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:08:01,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 15:08:01,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149135772] [2023-12-19 15:08:01,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:08:01,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 15:08:01,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:08:01,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 15:08:01,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:08:01,212 INFO L87 Difference]: Start difference. First operand 382 states and 533 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-19 15:08:01,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:08:01,293 INFO L93 Difference]: Finished difference Result 796 states and 1105 transitions. [2023-12-19 15:08:01,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 15:08:01,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 105 [2023-12-19 15:08:01,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:08:01,295 INFO L225 Difference]: With dead ends: 796 [2023-12-19 15:08:01,295 INFO L226 Difference]: Without dead ends: 415 [2023-12-19 15:08:01,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-19 15:08:01,296 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 145 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 15:08:01,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 324 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 15:08:01,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-12-19 15:08:01,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 414. [2023-12-19 15:08:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 377 states have (on average 1.3448275862068966) internal successors, (507), 380 states have internal predecessors, (507), 30 states have call successors, (30), 6 states have call predecessors, (30), 6 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-19 15:08:01,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 567 transitions. [2023-12-19 15:08:01,305 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 567 transitions. Word has length 105 [2023-12-19 15:08:01,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:08:01,305 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 567 transitions. [2023-12-19 15:08:01,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-19 15:08:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 567 transitions. [2023-12-19 15:08:01,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-19 15:08:01,307 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:08:01,307 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:08:01,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-12-19 15:08:01,513 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 [2023-12-19 15:08:01,513 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:08:01,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:08:01,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1408847898, now seen corresponding path program 1 times [2023-12-19 15:08:01,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:08:01,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194504688] [2023-12-19 15:08:01,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:01,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:08:01,531 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:08:01,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [82491830] [2023-12-19 15:08:01,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:01,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:08:01,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:08:01,532 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:08:01,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-12-19 15:08:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:08:01,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-19 15:08:01,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:08:01,743 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 9 treesize of output 3 [2023-12-19 15:08:01,909 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 19 treesize of output 1 [2023-12-19 15:08:01,951 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 55 treesize of output 43 [2023-12-19 15:08:02,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-12-19 15:08:02,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:08:02,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 18 [2023-12-19 15:08:02,054 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-12-19 15:08:02,054 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 15:08:02,321 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 34 treesize of output 22 [2023-12-19 15:08:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:08:02,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:08:02,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194504688] [2023-12-19 15:08:02,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:08:02,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82491830] [2023-12-19 15:08:02,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82491830] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 15:08:02,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 15:08:02,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 21 [2023-12-19 15:08:02,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479318848] [2023-12-19 15:08:02,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:08:02,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 15:08:02,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:08:02,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 15:08:02,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2023-12-19 15:08:02,365 INFO L87 Difference]: Start difference. First operand 414 states and 567 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:08:03,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:08:03,411 INFO L93 Difference]: Finished difference Result 1067 states and 1442 transitions. [2023-12-19 15:08:03,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 15:08:03,424 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2023-12-19 15:08:03,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:08:03,427 INFO L225 Difference]: With dead ends: 1067 [2023-12-19 15:08:03,427 INFO L226 Difference]: Without dead ends: 674 [2023-12-19 15:08:03,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=164, Invalid=648, Unknown=0, NotChecked=0, Total=812 [2023-12-19 15:08:03,428 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 616 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 616 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-19 15:08:03,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [616 Valid, 904 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-19 15:08:03,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2023-12-19 15:08:03,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 483. [2023-12-19 15:08:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 435 states have (on average 1.3333333333333333) internal successors, (580), 439 states have internal predecessors, (580), 38 states have call successors, (38), 9 states have call predecessors, (38), 9 states have return successors, (38), 34 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-19 15:08:03,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 656 transitions. [2023-12-19 15:08:03,443 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 656 transitions. Word has length 105 [2023-12-19 15:08:03,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:08:03,444 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 656 transitions. [2023-12-19 15:08:03,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:08:03,444 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 656 transitions. [2023-12-19 15:08:03,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-19 15:08:03,445 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:08:03,445 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:08:03,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-12-19 15:08:03,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:08:03,652 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:08:03,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:08:03,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1610992406, now seen corresponding path program 1 times [2023-12-19 15:08:03,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:08:03,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285903845] [2023-12-19 15:08:03,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:03,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:08:03,668 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:08:03,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [163848702] [2023-12-19 15:08:03,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:03,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:08:03,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:08:03,669 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:08:03,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-12-19 15:08:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:08:03,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-19 15:08:03,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:08:03,917 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 9 treesize of output 3 [2023-12-19 15:08:03,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:08:03,989 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 19 treesize of output 9 [2023-12-19 15:08:04,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-12-19 15:08:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:08:04,023 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:08:04,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:08:04,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285903845] [2023-12-19 15:08:04,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:08:04,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163848702] [2023-12-19 15:08:04,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163848702] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:08:04,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:08:04,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-19 15:08:04,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082462794] [2023-12-19 15:08:04,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:08:04,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 15:08:04,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:08:04,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 15:08:04,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-19 15:08:04,025 INFO L87 Difference]: Start difference. First operand 483 states and 656 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:08:04,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:08:04,327 INFO L93 Difference]: Finished difference Result 1389 states and 1879 transitions. [2023-12-19 15:08:04,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-19 15:08:04,327 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2023-12-19 15:08:04,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:08:04,330 INFO L225 Difference]: With dead ends: 1389 [2023-12-19 15:08:04,330 INFO L226 Difference]: Without dead ends: 935 [2023-12-19 15:08:04,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-12-19 15:08:04,331 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 292 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 15:08:04,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 1085 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 15:08:04,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2023-12-19 15:08:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 706. [2023-12-19 15:08:04,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 626 states have (on average 1.317891373801917) internal successors, (825), 631 states have internal predecessors, (825), 63 states have call successors, (63), 16 states have call predecessors, (63), 16 states have return successors, (63), 58 states have call predecessors, (63), 63 states have call successors, (63) [2023-12-19 15:08:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 951 transitions. [2023-12-19 15:08:04,376 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 951 transitions. Word has length 105 [2023-12-19 15:08:04,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:08:04,376 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 951 transitions. [2023-12-19 15:08:04,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:08:04,376 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 951 transitions. [2023-12-19 15:08:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-19 15:08:04,377 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:08:04,377 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:08:04,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-12-19 15:08:04,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:08:04,585 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:08:04,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:08:04,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1386215644, now seen corresponding path program 1 times [2023-12-19 15:08:04,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:08:04,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564297871] [2023-12-19 15:08:04,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:04,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:08:04,600 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:08:04,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1973832936] [2023-12-19 15:08:04,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:04,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:08:04,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:08:04,602 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:08:04,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-12-19 15:08:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:08:04,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-19 15:08:04,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:08:04,845 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 28 treesize of output 16 [2023-12-19 15:08:04,852 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-19 15:08:04,852 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:08:04,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:08:04,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564297871] [2023-12-19 15:08:04,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:08:04,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973832936] [2023-12-19 15:08:04,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973832936] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:08:04,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:08:04,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 15:08:04,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444109777] [2023-12-19 15:08:04,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:08:04,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 15:08:04,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:08:04,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 15:08:04,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:08:04,853 INFO L87 Difference]: Start difference. First operand 706 states and 951 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:08:04,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:08:04,981 INFO L93 Difference]: Finished difference Result 1234 states and 1668 transitions. [2023-12-19 15:08:04,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 15:08:04,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 105 [2023-12-19 15:08:04,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:08:04,984 INFO L225 Difference]: With dead ends: 1234 [2023-12-19 15:08:04,984 INFO L226 Difference]: Without dead ends: 780 [2023-12-19 15:08:04,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:08:04,985 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 137 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 15:08:04,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 623 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 15:08:04,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2023-12-19 15:08:05,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 706. [2023-12-19 15:08:05,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 626 states have (on average 1.3115015974440896) internal successors, (821), 631 states have internal predecessors, (821), 63 states have call successors, (63), 16 states have call predecessors, (63), 16 states have return successors, (63), 58 states have call predecessors, (63), 63 states have call successors, (63) [2023-12-19 15:08:05,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 947 transitions. [2023-12-19 15:08:05,004 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 947 transitions. Word has length 105 [2023-12-19 15:08:05,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:08:05,004 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 947 transitions. [2023-12-19 15:08:05,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-19 15:08:05,004 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 947 transitions. [2023-12-19 15:08:05,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-19 15:08:05,005 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:08:05,005 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:08:05,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-12-19 15:08:05,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:08:05,212 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:08:05,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:08:05,212 INFO L85 PathProgramCache]: Analyzing trace with hash 914606946, now seen corresponding path program 1 times [2023-12-19 15:08:05,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:08:05,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151182526] [2023-12-19 15:08:05,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:05,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:08:05,230 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:08:05,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1132760933] [2023-12-19 15:08:05,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:08:05,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:08:05,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:08:05,231 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-19 15:08:05,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-12-19 15:08:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 15:08:05,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 15:08:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 15:08:05,695 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 15:08:05,695 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 15:08:05,696 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 15:08:05,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2023-12-19 15:08:05,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:08:05,909 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, 1, 1, 1, 1] [2023-12-19 15:08:05,911 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 15:08:05,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 03:08:05 BoogieIcfgContainer [2023-12-19 15:08:05,994 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 15:08:05,994 INFO L158 Benchmark]: Toolchain (without parser) took 38772.31ms. Allocated memory was 206.6MB in the beginning and 314.6MB in the end (delta: 108.0MB). Free memory was 166.0MB in the beginning and 133.1MB in the end (delta: 32.9MB). Peak memory consumption was 142.0MB. Max. memory is 8.0GB. [2023-12-19 15:08:05,995 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 206.6MB. Free memory is still 158.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 15:08:05,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.84ms. Allocated memory is still 206.6MB. Free memory was 165.7MB in the beginning and 150.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-19 15:08:05,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.10ms. Allocated memory is still 206.6MB. Free memory was 150.7MB in the beginning and 146.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-19 15:08:05,998 INFO L158 Benchmark]: Boogie Preprocessor took 58.84ms. Allocated memory is still 206.6MB. Free memory was 146.1MB in the beginning and 140.2MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-19 15:08:05,998 INFO L158 Benchmark]: RCFGBuilder took 642.21ms. Allocated memory was 206.6MB in the beginning and 261.1MB in the end (delta: 54.5MB). Free memory was 140.2MB in the beginning and 214.4MB in the end (delta: -74.2MB). Peak memory consumption was 30.8MB. Max. memory is 8.0GB. [2023-12-19 15:08:05,998 INFO L158 Benchmark]: TraceAbstraction took 37777.55ms. Allocated memory was 261.1MB in the beginning and 314.6MB in the end (delta: 53.5MB). Free memory was 213.9MB in the beginning and 133.1MB in the end (delta: 80.8MB). Peak memory consumption was 134.3MB. Max. memory is 8.0GB. [2023-12-19 15:08:06,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 206.6MB. Free memory is still 158.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 225.84ms. Allocated memory is still 206.6MB. Free memory was 165.7MB in the beginning and 150.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.10ms. Allocated memory is still 206.6MB. Free memory was 150.7MB in the beginning and 146.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.84ms. Allocated memory is still 206.6MB. Free memory was 146.1MB in the beginning and 140.2MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 642.21ms. Allocated memory was 206.6MB in the beginning and 261.1MB in the end (delta: 54.5MB). Free memory was 140.2MB in the beginning and 214.4MB in the end (delta: -74.2MB). Peak memory consumption was 30.8MB. Max. memory is 8.0GB. * TraceAbstraction took 37777.55ms. Allocated memory was 261.1MB in the beginning and 314.6MB in the end (delta: 53.5MB). Free memory was 213.9MB in the beginning and 133.1MB in the end (delta: 80.8MB). Peak memory consumption was 134.3MB. 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 95, overapproximation of bitwiseOr at line 58. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] double double_Array_0[5] = { 24.8, 0.8, 127.625, 128.75, 1.5 }; [L25-L27] double double_Array_0[5] = { 24.8, 0.8, 127.625, 128.75, 1.5 }; [L25-L27] double double_Array_0[5] = { 24.8, 0.8, 127.625, 128.75, 1.5 }; [L25-L27] double double_Array_0[5] = { 24.8, 0.8, 127.625, 128.75, 1.5 }; [L25-L27] double double_Array_0[5] = { 24.8, 0.8, 127.625, 128.75, 1.5 }; [L25-L27] double double_Array_0[5] = { 24.8, 0.8, 127.625, 128.75, 1.5 }; [L28-L30] signed char signed_char_Array_0[2] = { 5, 64 }; [L28-L30] signed char signed_char_Array_0[2] = { 5, 64 }; [L28-L30] signed char signed_char_Array_0[2] = { 5, 64 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { -128 }; [L31-L33] signed short int signed_short_int_Array_0[1] = { -128 }; [L34-L36] unsigned char unsigned_char_Array_0[1] = { 4 }; [L34-L36] unsigned char unsigned_char_Array_0[1] = { 4 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[2] = { 25, 128 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[2] = { 25, 128 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[2] = { 25, 128 }; [L40] unsigned short int last_1_unsigned_short_int_Array_0_1_ = 128; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] EXPR unsigned_short_int_Array_0[1] [L92] last_1_unsigned_short_int_Array_0_1_ = unsigned_short_int_Array_0[1] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L73] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L74] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] 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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] 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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] double_Array_0[1] = __VERIFIER_nondet_double() [L77] EXPR double_Array_0[1] [L77] EXPR double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] EXPR double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F [L77] EXPR double_Array_0[1] [L77] EXPR double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] EXPR (double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] EXPR (double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] CALL assume_abort_if_not((double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] RET assume_abort_if_not((double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] double_Array_0[3] = __VERIFIER_nondet_double() [L79] EXPR double_Array_0[3] [L79] EXPR double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F [L79] EXPR double_Array_0[3] [L79] EXPR double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR (double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR (double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] CALL assume_abort_if_not((double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] RET assume_abort_if_not((double_Array_0[3] >= -461168.6018427382800e+13F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 4611686.018427382800e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L81] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] CALL assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] RET assume_abort_if_not(signed_char_Array_0[0] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] RET assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L84] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 255) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] CALL assume_abort_if_not(unsigned_char_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] RET assume_abort_if_not(unsigned_char_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L88] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(unsigned_short_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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] 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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] 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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L103] RET updateVariables() [L104] CALL step() [L44] signed_short_int_Array_0[0] = 200 [L45] EXPR signed_char_Array_0[0] [L45] signed_char_Array_0[1] = signed_char_Array_0[0] [L46] EXPR double_Array_0[1] [L46] double_Array_0[4] = double_Array_0[1] [L47] EXPR unsigned_short_int_Array_0[0] [L47] EXPR unsigned_char_Array_0[0] [L47] signed long int stepLocal_0 = unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]; [L48] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L48] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L51] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L51] EXPR (((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_)) [L51] EXPR (((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_0=0, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L51] COND TRUE stepLocal_0 >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_)))) [L52] EXPR unsigned_char_Array_0[0] [L52] unsigned_short_int_Array_0[1] = unsigned_char_Array_0[0] [L57] EXPR unsigned_short_int_Array_0[0] [L57] EXPR unsigned_short_int_Array_0[1] [L57] signed long int stepLocal_2 = unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1]; [L58] EXPR signed_short_int_Array_0[0] [L58] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L58] EXPR signed_short_int_Array_0[0] ^ signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_0=0, stepLocal_2=62, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L58] signed long int stepLocal_1 = signed_short_int_Array_0[0] ^ signed_char_Array_0[1]; [L59] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L59] COND FALSE !(signed_char_Array_0[1] <= stepLocal_2) [L66] EXPR double_Array_0[1] [L66] double_Array_0[2] = double_Array_0[1] [L68] EXPR signed_char_Array_0[1] [L68] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L68] COND FALSE !(signed_char_Array_0[1] > signed_char_Array_0[1]) [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) [L95] EXPR unsigned_short_int_Array_0[0] [L95] EXPR unsigned_char_Array_0[0] [L95] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_)) [L95] EXPR (((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR ((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) [L95] EXPR unsigned_short_int_Array_0[1] [L95] EXPR unsigned_char_Array_0[0] [L95] EXPR ((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1]))) [L95] EXPR signed_char_Array_0[1] [L95] EXPR unsigned_short_int_Array_0[0] [L95] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])) [L95] EXPR double_Array_0[2] [L95] EXPR double_Array_0[1] [L95] EXPR (signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR ((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR ((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR ((((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR ((((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (((((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (double_Array_0[4] == ((double) double_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95] EXPR (((((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (double_Array_0[4] == ((double) double_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L95-L96] return (((((BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (((((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) < 0 ) ? -((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))) : ((((unsigned_short_int_Array_0[0]) < 0 ) ? -(unsigned_short_int_Array_0[0]) : (unsigned_short_int_Array_0[0]))))))) : (((unsigned_short_int_Array_0[0] / unsigned_char_Array_0[0]) >= (((((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) < ((~ last_1_unsigned_short_int_Array_0_1_))) ? ((last_1_unsigned_short_int_Array_0_1_ * signed_char_Array_0[1])) : ((~ last_1_unsigned_short_int_Array_0_1_))))) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_char_Array_0[0])) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && ((signed_char_Array_0[1] <= (unsigned_short_int_Array_0[0] + unsigned_short_int_Array_0[1])) ? ((unsigned_short_int_Array_0[1] == (signed_short_int_Array_0[0] ^ signed_char_Array_0[1])) ? (double_Array_0[2] == ((double) (((((double_Array_0[1]) < 0 ) ? -(double_Array_0[1]) : (double_Array_0[1]))) + double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[3]))) : (double_Array_0[2] == ((double) double_Array_0[1])))) && ((signed_char_Array_0[1] > signed_char_Array_0[1]) ? (double_Array_0[0] == ((double) ((((double_Array_0[3]) < (double_Array_0[1])) ? (double_Array_0[3]) : (double_Array_0[1]))))) : 1)) && (signed_short_int_Array_0[0] == ((signed short int) 200))) && (signed_char_Array_0[1] == ((signed char) signed_char_Array_0[0]))) && (double_Array_0[4] == ((double) double_Array_0[1])) ; [L105] RET, EXPR property() [L105] 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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [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_unsigned_short_int_Array_0_1_=128, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.7s, OverallIterations: 24, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 20.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 3760 SdHoareTripleChecker+Valid, 16.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3759 mSDsluCounter, 14782 SdHoareTripleChecker+Invalid, 16.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10926 mSDsCounter, 130 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3004 IncrementalHoareTripleChecker+Invalid, 3135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 130 mSolverCounterUnsat, 3856 mSDtfsCounter, 3004 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2712 GetRequests, 2551 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred in iteration=22, InterpolantAutomatonStates: 156, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 23 MinimizatonAttempts, 1818 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 2677 NumberOfCodeBlocks, 2677 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 2655 ConstructedInterpolants, 4 QuantifiedInterpolants, 9168 SizeOfPredicates, 200 NumberOfNonLiveVariables, 9387 ConjunctsInSsa, 264 ConjunctsInUnsatCore, 26 InterpolantComputations, 23 PerfectInterpolantSequences, 5651/5720 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-19 15:08:06,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...