/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-6.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 15:05:04,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 15:05:04,586 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 15:05:04,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 15:05:04,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 15:05:04,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 15:05:04,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 15:05:04,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 15:05:04,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 15:05:04,616 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 15:05:04,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 15:05:04,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 15:05:04,617 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 15:05:04,617 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 15:05:04,618 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 15:05:04,618 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 15:05:04,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 15:05:04,618 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 15:05:04,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 15:05:04,619 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 15:05:04,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 15:05:04,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 15:05:04,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 15:05:04,620 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 15:05:04,620 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 15:05:04,620 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 15:05:04,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 15:05:04,620 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 15:05:04,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 15:05:04,621 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 15:05:04,622 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 15:05:04,622 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 15:05:04,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 15:05:04,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 15:05:04,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 15:05:04,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 15:05:04,622 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 15:05:04,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 15:05:04,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 15:05:04,623 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 15:05:04,623 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 15:05:04,623 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 15:05:04,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 15:05:04,623 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 15:05:04,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 15:05:04,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 15:05:04,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 15:05:04,839 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 15:05:04,839 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 15:05:04,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2023-12-19 15:05:05,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 15:05:06,011 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 15:05:06,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i [2023-12-19 15:05:06,019 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e65b7a720/ef0dee5393914289b77a529fa88bcfc7/FLAG495d51374 [2023-12-19 15:05:06,031 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e65b7a720/ef0dee5393914289b77a529fa88bcfc7 [2023-12-19 15:05:06,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 15:05:06,034 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 15:05:06,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 15:05:06,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 15:05:06,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 15:05:06,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ca142b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06, skipping insertion in model container [2023-12-19 15:05:06,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,066 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 15:05:06,185 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2023-12-19 15:05:06,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 15:05:06,246 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 15:05:06,256 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-6.i[915,928] [2023-12-19 15:05:06,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 15:05:06,304 INFO L206 MainTranslator]: Completed translation [2023-12-19 15:05:06,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06 WrapperNode [2023-12-19 15:05:06,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 15:05:06,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 15:05:06,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 15:05:06,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 15:05:06,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,354 INFO L138 Inliner]: procedures = 29, calls = 170, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 517 [2023-12-19 15:05:06,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 15:05:06,355 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 15:05:06,355 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 15:05:06,355 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 15:05:06,362 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,367 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,381 INFO L175 MemorySlicer]: Split 135 memory accesses to 6 slices as follows [2, 16, 32, 28, 21, 36]. 27 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 3, 4, 3, 3, 3]. The 18 writes are split as follows [0, 3, 4, 3, 4, 4]. [2023-12-19 15:05:06,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 15:05:06,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 15:05:06,420 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 15:05:06,420 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 15:05:06,421 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (1/1) ... [2023-12-19 15:05:06,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 15:05:06,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:06,454 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 15:05:06,477 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 15:05:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 15:05:06,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-19 15:05:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-19 15:05:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-19 15:05:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-19 15:05:06,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-19 15:05:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-19 15:05:06,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-19 15:05:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-19 15:05:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-12-19 15:05:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-12-19 15:05:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-12-19 15:05:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-12-19 15:05:06,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-19 15:05:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-19 15:05:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-12-19 15:05:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-12-19 15:05:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-12-19 15:05:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-12-19 15:05:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-19 15:05:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-19 15:05:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-19 15:05:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-19 15:05:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-19 15:05:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-19 15:05:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-19 15:05:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-19 15:05:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-12-19 15:05:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-12-19 15:05:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-12-19 15:05:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-12-19 15:05:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-19 15:05:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-19 15:05:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 15:05:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-19 15:05:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-19 15:05:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-19 15:05:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-19 15:05:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-19 15:05:06,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 15:05:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 15:05:06,614 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 15:05:06,615 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 15:05:07,041 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 15:05:07,070 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 15:05:07,070 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 15:05:07,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:05:07 BoogieIcfgContainer [2023-12-19 15:05:07,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 15:05:07,071 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 15:05:07,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 15:05:07,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 15:05:07,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:05:06" (1/3) ... [2023-12-19 15:05:07,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f49934c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:05:07, skipping insertion in model container [2023-12-19 15:05:07,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:05:06" (2/3) ... [2023-12-19 15:05:07,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f49934c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:05:07, skipping insertion in model container [2023-12-19 15:05:07,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:05:07" (3/3) ... [2023-12-19 15:05:07,077 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-6.i [2023-12-19 15:05:07,088 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 15:05:07,088 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 15:05:07,128 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 15:05:07,133 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;@26fbaf6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 15:05:07,133 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 15:05:07,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 93 states have (on average 1.4408602150537635) internal successors, (134), 94 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-19 15:05:07,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-19 15:05:07,148 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:07,149 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:07,149 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:07,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:07,156 INFO L85 PathProgramCache]: Analyzing trace with hash -455682870, now seen corresponding path program 1 times [2023-12-19 15:05:07,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:07,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910039839] [2023-12-19 15:05:07,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:07,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:07,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:07,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910039839] [2023-12-19 15:05:07,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 15:05:07,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264789537] [2023-12-19 15:05:07,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:07,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:07,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:07,357 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 15:05:07,400 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 15:05:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:07,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 15:05:07,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-12-19 15:05:07,622 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:07,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264789537] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:07,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:07,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 15:05:07,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522575216] [2023-12-19 15:05:07,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:07,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 15:05:07,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:07,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 15:05:07,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 15:05:07,654 INFO L87 Difference]: Start difference. First operand has 115 states, 93 states have (on average 1.4408602150537635) internal successors, (134), 94 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 15:05:07,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:07,709 INFO L93 Difference]: Finished difference Result 227 states and 361 transitions. [2023-12-19 15:05:07,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 15:05:07,712 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-12-19 15:05:07,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:07,716 INFO L225 Difference]: With dead ends: 227 [2023-12-19 15:05:07,717 INFO L226 Difference]: Without dead ends: 113 [2023-12-19 15:05:07,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 15:05:07,729 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:07,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:05:07,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-19 15:05:07,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-12-19 15:05:07,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 92 states have (on average 1.4021739130434783) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-19 15:05:07,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 167 transitions. [2023-12-19 15:05:07,766 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 167 transitions. Word has length 153 [2023-12-19 15:05:07,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:07,767 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 167 transitions. [2023-12-19 15:05:07,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 15:05:07,767 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 167 transitions. [2023-12-19 15:05:07,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-19 15:05:07,770 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:07,770 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:07,778 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 15:05:07,975 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 15:05:07,976 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:07,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:07,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1843939048, now seen corresponding path program 1 times [2023-12-19 15:05:07,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:07,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939754542] [2023-12-19 15:05:07,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:07,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:08,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:08,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939754542] [2023-12-19 15:05:08,103 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-19 15:05:08,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326989417] [2023-12-19 15:05:08,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:08,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:08,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:08,104 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 15:05:08,124 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 15:05:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:08,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 15:05:08,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:08,320 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2023-12-19 15:05:08,320 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:08,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326989417] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:08,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:08,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 15:05:08,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11135375] [2023-12-19 15:05:08,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:08,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 15:05:08,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:08,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 15:05:08,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 15:05:08,323 INFO L87 Difference]: Start difference. First operand 113 states and 167 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 15:05:08,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:08,359 INFO L93 Difference]: Finished difference Result 231 states and 342 transitions. [2023-12-19 15:05:08,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 15:05:08,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-12-19 15:05:08,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:08,361 INFO L225 Difference]: With dead ends: 231 [2023-12-19 15:05:08,361 INFO L226 Difference]: Without dead ends: 119 [2023-12-19 15:05:08,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:05:08,363 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 10 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:08,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 481 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:05:08,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-12-19 15:05:08,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115. [2023-12-19 15:05:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 94 states have internal predecessors, (131), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-19 15:05:08,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 169 transitions. [2023-12-19 15:05:08,372 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 169 transitions. Word has length 153 [2023-12-19 15:05:08,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:08,372 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 169 transitions. [2023-12-19 15:05:08,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-19 15:05:08,373 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 169 transitions. [2023-12-19 15:05:08,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-19 15:05:08,374 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:08,374 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:08,384 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 15:05:08,580 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 15:05:08,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:08,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:08,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1412443674, now seen corresponding path program 1 times [2023-12-19 15:05:08,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:08,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590898807] [2023-12-19 15:05:08,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:08,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:08,633 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:08,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1629606947] [2023-12-19 15:05:08,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:08,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:08,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:08,638 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 15:05:08,656 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 15:05:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:08,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 15:05:08,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:08,858 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:08,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:08,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590898807] [2023-12-19 15:05:08,859 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:08,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629606947] [2023-12-19 15:05:08,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629606947] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:08,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:08,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 15:05:08,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558927492] [2023-12-19 15:05:08,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:08,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-19 15:05:08,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:08,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-19 15:05:08,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-19 15:05:08,861 INFO L87 Difference]: Start difference. First operand 115 states and 169 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:08,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:08,886 INFO L93 Difference]: Finished difference Result 252 states and 371 transitions. [2023-12-19 15:05:08,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 15:05:08,887 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-12-19 15:05:08,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:08,888 INFO L225 Difference]: With dead ends: 252 [2023-12-19 15:05:08,888 INFO L226 Difference]: Without dead ends: 138 [2023-12-19 15:05:08,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:05:08,889 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 43 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:08,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 472 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:05:08,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-19 15:05:08,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 117. [2023-12-19 15:05:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.3854166666666667) internal successors, (133), 96 states have internal predecessors, (133), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-19 15:05:08,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 171 transitions. [2023-12-19 15:05:08,896 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 171 transitions. Word has length 153 [2023-12-19 15:05:08,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:08,897 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 171 transitions. [2023-12-19 15:05:08,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:08,897 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 171 transitions. [2023-12-19 15:05:08,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-19 15:05:08,898 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:08,898 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:08,913 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 15:05:09,107 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 15:05:09,107 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:09,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:09,108 INFO L85 PathProgramCache]: Analyzing trace with hash -366889484, now seen corresponding path program 1 times [2023-12-19 15:05:09,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:09,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177221607] [2023-12-19 15:05:09,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:09,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:09,138 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:09,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [960449162] [2023-12-19 15:05:09,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:09,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:09,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:09,158 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 15:05:09,159 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 15:05:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:09,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 15:05:09,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:09,377 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 15:05:09,382 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:09,382 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:09,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:09,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177221607] [2023-12-19 15:05:09,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:09,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960449162] [2023-12-19 15:05:09,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960449162] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:09,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:09,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 15:05:09,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858875483] [2023-12-19 15:05:09,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:09,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 15:05:09,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:09,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 15:05:09,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 15:05:09,385 INFO L87 Difference]: Start difference. First operand 117 states and 171 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:09,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:09,402 INFO L93 Difference]: Finished difference Result 233 states and 341 transitions. [2023-12-19 15:05:09,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 15:05:09,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-12-19 15:05:09,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:09,403 INFO L225 Difference]: With dead ends: 233 [2023-12-19 15:05:09,403 INFO L226 Difference]: Without dead ends: 117 [2023-12-19 15:05:09,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 15:05:09,405 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 2 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:09,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 317 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:05:09,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-12-19 15:05:09,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-12-19 15:05:09,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.375) internal successors, (132), 96 states have internal predecessors, (132), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-19 15:05:09,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 170 transitions. [2023-12-19 15:05:09,411 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 170 transitions. Word has length 155 [2023-12-19 15:05:09,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:09,411 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 170 transitions. [2023-12-19 15:05:09,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:09,412 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2023-12-19 15:05:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-19 15:05:09,413 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:09,413 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:09,421 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 15:05:09,628 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 15:05:09,628 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:09,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:09,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1184537934, now seen corresponding path program 1 times [2023-12-19 15:05:09,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:09,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238792513] [2023-12-19 15:05:09,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:09,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:09,658 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:09,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2110242720] [2023-12-19 15:05:09,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:09,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:09,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:09,659 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 15:05:09,687 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 15:05:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:09,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-19 15:05:09,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:09,844 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 15:05:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:09,848 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:09,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:09,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238792513] [2023-12-19 15:05:09,849 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:09,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110242720] [2023-12-19 15:05:09,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110242720] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:09,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:09,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 15:05:09,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870548772] [2023-12-19 15:05:09,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:09,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 15:05:09,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:09,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 15:05:09,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 15:05:09,851 INFO L87 Difference]: Start difference. First operand 117 states and 170 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:09,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:09,869 INFO L93 Difference]: Finished difference Result 233 states and 339 transitions. [2023-12-19 15:05:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 15:05:09,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-12-19 15:05:09,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:09,872 INFO L225 Difference]: With dead ends: 233 [2023-12-19 15:05:09,872 INFO L226 Difference]: Without dead ends: 117 [2023-12-19 15:05:09,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 15:05:09,873 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 40 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:09,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 280 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:05:09,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-12-19 15:05:09,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-12-19 15:05:09,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 96 states have internal predecessors, (131), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-19 15:05:09,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 169 transitions. [2023-12-19 15:05:09,879 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 169 transitions. Word has length 155 [2023-12-19 15:05:09,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:09,879 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 169 transitions. [2023-12-19 15:05:09,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:09,879 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 169 transitions. [2023-12-19 15:05:09,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-19 15:05:09,880 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:09,880 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:09,900 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 15:05:10,086 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 15:05:10,087 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:10,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:10,087 INFO L85 PathProgramCache]: Analyzing trace with hash 2089361008, now seen corresponding path program 1 times [2023-12-19 15:05:10,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:10,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442078662] [2023-12-19 15:05:10,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:10,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:10,114 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:10,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108465478] [2023-12-19 15:05:10,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:10,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:10,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:10,116 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 15:05:10,124 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 15:05:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:10,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-19 15:05:10,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:10,302 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 15:05:10,376 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:05:10,376 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 15:05:10,394 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:10,394 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:10,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:10,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442078662] [2023-12-19 15:05:10,394 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:10,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108465478] [2023-12-19 15:05:10,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108465478] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:10,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:10,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-19 15:05:10,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467223593] [2023-12-19 15:05:10,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:10,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-19 15:05:10,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:10,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-19 15:05:10,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-12-19 15:05:10,397 INFO L87 Difference]: Start difference. First operand 117 states and 169 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:10,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:10,662 INFO L93 Difference]: Finished difference Result 392 states and 566 transitions. [2023-12-19 15:05:10,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-19 15:05:10,663 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-12-19 15:05:10,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:10,665 INFO L225 Difference]: With dead ends: 392 [2023-12-19 15:05:10,665 INFO L226 Difference]: Without dead ends: 276 [2023-12-19 15:05:10,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2023-12-19 15:05:10,668 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 377 mSDsluCounter, 1136 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 1368 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:10,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 1368 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 15:05:10,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2023-12-19 15:05:10,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 219. [2023-12-19 15:05:10,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 183 states have (on average 1.360655737704918) internal successors, (249), 184 states have internal predecessors, (249), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-19 15:05:10,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 315 transitions. [2023-12-19 15:05:10,694 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 315 transitions. Word has length 155 [2023-12-19 15:05:10,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:10,694 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 315 transitions. [2023-12-19 15:05:10,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:10,695 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 315 transitions. [2023-12-19 15:05:10,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-19 15:05:10,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:10,696 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:10,705 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 15:05:10,902 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 15:05:10,902 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:10,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:10,903 INFO L85 PathProgramCache]: Analyzing trace with hash -302267351, now seen corresponding path program 1 times [2023-12-19 15:05:10,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:10,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759761800] [2023-12-19 15:05:10,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:10,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:10,937 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:10,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [109160177] [2023-12-19 15:05:10,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:10,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:10,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:10,941 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 15:05:10,943 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 15:05:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:11,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-19 15:05:11,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:11,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 89 [2023-12-19 15:05:11,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 65 [2023-12-19 15:05:11,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2023-12-19 15:05:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:11,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:11,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:11,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759761800] [2023-12-19 15:05:11,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:11,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109160177] [2023-12-19 15:05:11,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109160177] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:11,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:11,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-19 15:05:11,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332176121] [2023-12-19 15:05:11,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:11,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-19 15:05:11,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:11,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-19 15:05:11,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-19 15:05:11,410 INFO L87 Difference]: Start difference. First operand 219 states and 315 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:12,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:12,447 INFO L93 Difference]: Finished difference Result 658 states and 945 transitions. [2023-12-19 15:05:12,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-19 15:05:12,447 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-12-19 15:05:12,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:12,450 INFO L225 Difference]: With dead ends: 658 [2023-12-19 15:05:12,450 INFO L226 Difference]: Without dead ends: 440 [2023-12-19 15:05:12,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-12-19 15:05:12,451 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 220 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:12,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 1246 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-19 15:05:12,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2023-12-19 15:05:12,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 392. [2023-12-19 15:05:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 324 states have (on average 1.345679012345679) internal successors, (436), 327 states have internal predecessors, (436), 63 states have call successors, (63), 4 states have call predecessors, (63), 4 states have return successors, (63), 60 states have call predecessors, (63), 63 states have call successors, (63) [2023-12-19 15:05:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 562 transitions. [2023-12-19 15:05:12,470 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 562 transitions. Word has length 155 [2023-12-19 15:05:12,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:12,471 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 562 transitions. [2023-12-19 15:05:12,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:12,471 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 562 transitions. [2023-12-19 15:05:12,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 15:05:12,473 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:12,473 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:12,481 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 15:05:12,679 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 15:05:12,679 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:12,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:12,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1670305911, now seen corresponding path program 1 times [2023-12-19 15:05:12,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:12,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017037013] [2023-12-19 15:05:12,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:12,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:12,705 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:12,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549736728] [2023-12-19 15:05:12,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:12,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:12,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:12,707 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 15:05:12,709 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 15:05:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:12,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-19 15:05:12,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:13,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2023-12-19 15:05:13,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-12-19 15:05:13,324 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:13,324 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:13,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:13,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017037013] [2023-12-19 15:05:13,324 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:13,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549736728] [2023-12-19 15:05:13,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549736728] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:13,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:13,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 15:05:13,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716742899] [2023-12-19 15:05:13,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:13,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 15:05:13,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:13,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 15:05:13,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:05:13,326 INFO L87 Difference]: Start difference. First operand 392 states and 562 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:13,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:13,728 INFO L93 Difference]: Finished difference Result 1063 states and 1518 transitions. [2023-12-19 15:05:13,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 15:05:13,729 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-19 15:05:13,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:13,732 INFO L225 Difference]: With dead ends: 1063 [2023-12-19 15:05:13,732 INFO L226 Difference]: Without dead ends: 672 [2023-12-19 15:05:13,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2023-12-19 15:05:13,733 INFO L413 NwaCegarLoop]: 208 mSDtfsCounter, 237 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:13,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 939 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 15:05:13,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2023-12-19 15:05:13,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 491. [2023-12-19 15:05:13,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 403 states have (on average 1.337468982630273) internal successors, (539), 406 states have internal predecessors, (539), 82 states have call successors, (82), 5 states have call predecessors, (82), 5 states have return successors, (82), 79 states have call predecessors, (82), 82 states have call successors, (82) [2023-12-19 15:05:13,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 703 transitions. [2023-12-19 15:05:13,769 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 703 transitions. Word has length 156 [2023-12-19 15:05:13,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:13,770 INFO L495 AbstractCegarLoop]: Abstraction has 491 states and 703 transitions. [2023-12-19 15:05:13,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:13,770 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 703 transitions. [2023-12-19 15:05:13,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 15:05:13,771 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:13,771 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:13,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-19 15:05:13,977 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 15:05:13,978 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:13,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:13,978 INFO L85 PathProgramCache]: Analyzing trace with hash -2091101462, now seen corresponding path program 1 times [2023-12-19 15:05:13,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:13,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333102621] [2023-12-19 15:05:13,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:13,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:14,005 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:14,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1265867039] [2023-12-19 15:05:14,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:14,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:14,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:14,006 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 15:05:14,028 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 15:05:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:14,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-19 15:05:14,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:14,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2023-12-19 15:05:14,250 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:05:14,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 20 [2023-12-19 15:05:14,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-19 15:05:14,261 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:14,261 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:14,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:14,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333102621] [2023-12-19 15:05:14,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:14,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265867039] [2023-12-19 15:05:14,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265867039] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:14,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:14,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 15:05:14,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530335610] [2023-12-19 15:05:14,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:14,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 15:05:14,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:14,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 15:05:14,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-19 15:05:14,262 INFO L87 Difference]: Start difference. First operand 491 states and 703 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:14,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:14,470 INFO L93 Difference]: Finished difference Result 1208 states and 1729 transitions. [2023-12-19 15:05:14,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 15:05:14,470 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-19 15:05:14,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:14,473 INFO L225 Difference]: With dead ends: 1208 [2023-12-19 15:05:14,473 INFO L226 Difference]: Without dead ends: 813 [2023-12-19 15:05:14,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-19 15:05:14,474 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 236 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:14,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 969 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 15:05:14,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2023-12-19 15:05:14,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 506. [2023-12-19 15:05:14,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 418 states have (on average 1.332535885167464) internal successors, (557), 421 states have internal predecessors, (557), 82 states have call successors, (82), 5 states have call predecessors, (82), 5 states have return successors, (82), 79 states have call predecessors, (82), 82 states have call successors, (82) [2023-12-19 15:05:14,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 721 transitions. [2023-12-19 15:05:14,498 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 721 transitions. Word has length 156 [2023-12-19 15:05:14,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:14,498 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 721 transitions. [2023-12-19 15:05:14,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:14,499 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 721 transitions. [2023-12-19 15:05:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 15:05:14,500 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:14,500 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:14,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-19 15:05:14,706 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 15:05:14,706 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:14,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:14,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1504295448, now seen corresponding path program 1 times [2023-12-19 15:05:14,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:14,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899659237] [2023-12-19 15:05:14,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:14,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:14,729 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:14,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [81941490] [2023-12-19 15:05:14,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:14,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:14,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:14,731 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 15:05:14,756 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 15:05:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:14,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-19 15:05:14,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:14,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-19 15:05:15,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-19 15:05:15,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-19 15:05:15,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-19 15:05:15,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-12-19 15:05:15,553 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:15,553 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:15,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:15,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899659237] [2023-12-19 15:05:15,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:15,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81941490] [2023-12-19 15:05:15,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81941490] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:15,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:15,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 15:05:15,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076451034] [2023-12-19 15:05:15,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:15,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 15:05:15,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:15,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 15:05:15,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:05:15,555 INFO L87 Difference]: Start difference. First operand 506 states and 721 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:16,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:16,025 INFO L93 Difference]: Finished difference Result 1955 states and 2769 transitions. [2023-12-19 15:05:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-19 15:05:16,026 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-19 15:05:16,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:16,034 INFO L225 Difference]: With dead ends: 1955 [2023-12-19 15:05:16,034 INFO L226 Difference]: Without dead ends: 1547 [2023-12-19 15:05:16,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2023-12-19 15:05:16,036 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 418 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:16,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1113 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 15:05:16,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1547 states. [2023-12-19 15:05:16,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1547 to 933. [2023-12-19 15:05:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 778 states have (on average 1.3277634961439588) internal successors, (1033), 784 states have internal predecessors, (1033), 145 states have call successors, (145), 9 states have call predecessors, (145), 9 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-19 15:05:16,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1323 transitions. [2023-12-19 15:05:16,100 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1323 transitions. Word has length 156 [2023-12-19 15:05:16,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:16,100 INFO L495 AbstractCegarLoop]: Abstraction has 933 states and 1323 transitions. [2023-12-19 15:05:16,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:16,101 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1323 transitions. [2023-12-19 15:05:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 15:05:16,103 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:16,104 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:16,112 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 15:05:16,310 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 15:05:16,310 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:16,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:16,311 INFO L85 PathProgramCache]: Analyzing trace with hash 209721128, now seen corresponding path program 1 times [2023-12-19 15:05:16,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:16,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894748513] [2023-12-19 15:05:16,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:16,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:16,344 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:16,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [191429519] [2023-12-19 15:05:16,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:16,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:16,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:16,356 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 15:05:16,380 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 15:05:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:16,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-19 15:05:16,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:16,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-19 15:05:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-19 15:05:16,605 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 15:05:16,685 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:16,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:16,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894748513] [2023-12-19 15:05:16,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:16,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191429519] [2023-12-19 15:05:16,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191429519] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 15:05:16,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 15:05:16,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-12-19 15:05:16,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921866619] [2023-12-19 15:05:16,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:16,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 15:05:16,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:16,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 15:05:16,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-12-19 15:05:16,687 INFO L87 Difference]: Start difference. First operand 933 states and 1323 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:16,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:16,898 INFO L93 Difference]: Finished difference Result 2683 states and 3827 transitions. [2023-12-19 15:05:16,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-19 15:05:16,899 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-19 15:05:16,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:16,906 INFO L225 Difference]: With dead ends: 2683 [2023-12-19 15:05:16,906 INFO L226 Difference]: Without dead ends: 1887 [2023-12-19 15:05:16,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-12-19 15:05:16,908 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 249 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:16,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 1480 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 15:05:16,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2023-12-19 15:05:16,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 930. [2023-12-19 15:05:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 775 states have (on average 1.3251612903225807) internal successors, (1027), 781 states have internal predecessors, (1027), 145 states have call successors, (145), 9 states have call predecessors, (145), 9 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-19 15:05:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1317 transitions. [2023-12-19 15:05:16,986 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1317 transitions. Word has length 156 [2023-12-19 15:05:16,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:16,987 INFO L495 AbstractCegarLoop]: Abstraction has 930 states and 1317 transitions. [2023-12-19 15:05:16,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:16,987 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1317 transitions. [2023-12-19 15:05:16,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 15:05:16,988 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:16,988 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:16,997 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 15:05:17,195 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 15:05:17,195 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:17,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:17,195 INFO L85 PathProgramCache]: Analyzing trace with hash 985233514, now seen corresponding path program 1 times [2023-12-19 15:05:17,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:17,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850935236] [2023-12-19 15:05:17,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:17,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:17,218 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:17,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1017292888] [2023-12-19 15:05:17,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:17,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:17,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:17,221 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 15:05:17,255 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 15:05:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:17,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-19 15:05:17,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:17,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-19 15:05:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 48 proven. 6 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-19 15:05:17,479 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 15:05:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:17,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:17,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850935236] [2023-12-19 15:05:17,533 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:17,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017292888] [2023-12-19 15:05:17,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017292888] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 15:05:17,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 15:05:17,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-12-19 15:05:17,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010721755] [2023-12-19 15:05:17,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:17,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 15:05:17,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:17,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 15:05:17,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-12-19 15:05:17,535 INFO L87 Difference]: Start difference. First operand 930 states and 1317 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:17,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:17,732 INFO L93 Difference]: Finished difference Result 2244 states and 3194 transitions. [2023-12-19 15:05:17,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-19 15:05:17,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-19 15:05:17,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:17,740 INFO L225 Difference]: With dead ends: 2244 [2023-12-19 15:05:17,740 INFO L226 Difference]: Without dead ends: 1841 [2023-12-19 15:05:17,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2023-12-19 15:05:17,743 INFO L413 NwaCegarLoop]: 346 mSDtfsCounter, 230 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:17,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 1412 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-19 15:05:17,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2023-12-19 15:05:17,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 930. [2023-12-19 15:05:17,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 775 states have (on average 1.3251612903225807) internal successors, (1027), 781 states have internal predecessors, (1027), 145 states have call successors, (145), 9 states have call predecessors, (145), 9 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-19 15:05:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1317 transitions. [2023-12-19 15:05:17,814 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1317 transitions. Word has length 156 [2023-12-19 15:05:17,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:17,814 INFO L495 AbstractCegarLoop]: Abstraction has 930 states and 1317 transitions. [2023-12-19 15:05:17,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:17,815 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1317 transitions. [2023-12-19 15:05:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-19 15:05:17,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:17,816 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:17,827 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 15:05:18,022 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 15:05:18,023 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:18,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:18,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1008911192, now seen corresponding path program 1 times [2023-12-19 15:05:18,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:18,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68137037] [2023-12-19 15:05:18,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:18,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:18,045 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:18,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [464328768] [2023-12-19 15:05:18,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:18,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:18,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:18,047 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 15:05:18,058 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 15:05:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:18,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 539 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-19 15:05:18,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:18,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 31 [2023-12-19 15:05:18,334 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:05:18,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 21 [2023-12-19 15:05:18,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2023-12-19 15:05:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:18,347 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:18,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:18,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68137037] [2023-12-19 15:05:18,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:18,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464328768] [2023-12-19 15:05:18,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464328768] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:18,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:18,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 15:05:18,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629943550] [2023-12-19 15:05:18,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:18,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-19 15:05:18,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:18,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-19 15:05:18,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-19 15:05:18,349 INFO L87 Difference]: Start difference. First operand 930 states and 1317 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:18,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:18,666 INFO L93 Difference]: Finished difference Result 1825 states and 2594 transitions. [2023-12-19 15:05:18,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-19 15:05:18,666 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-19 15:05:18,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:18,670 INFO L225 Difference]: With dead ends: 1825 [2023-12-19 15:05:18,670 INFO L226 Difference]: Without dead ends: 1418 [2023-12-19 15:05:18,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-19 15:05:18,672 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 183 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:18,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 1258 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-19 15:05:18,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2023-12-19 15:05:18,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 921. [2023-12-19 15:05:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 766 states have (on average 1.321148825065274) internal successors, (1012), 772 states have internal predecessors, (1012), 145 states have call successors, (145), 9 states have call predecessors, (145), 9 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-19 15:05:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1302 transitions. [2023-12-19 15:05:18,726 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1302 transitions. Word has length 156 [2023-12-19 15:05:18,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:18,727 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1302 transitions. [2023-12-19 15:05:18,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:18,727 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1302 transitions. [2023-12-19 15:05:18,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 15:05:18,729 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:18,729 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:18,735 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 15:05:18,935 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 15:05:18,935 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:18,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:18,936 INFO L85 PathProgramCache]: Analyzing trace with hash -126693986, now seen corresponding path program 1 times [2023-12-19 15:05:18,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:18,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656520251] [2023-12-19 15:05:18,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:18,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:18,963 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:18,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1168011076] [2023-12-19 15:05:18,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:18,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:18,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:18,964 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 15:05:18,984 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 15:05:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:19,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-19 15:05:19,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:19,182 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:19,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:19,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656520251] [2023-12-19 15:05:19,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:19,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168011076] [2023-12-19 15:05:19,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168011076] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:19,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:19,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 15:05:19,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917909839] [2023-12-19 15:05:19,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:19,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 15:05:19,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:19,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 15:05:19,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:05:19,184 INFO L87 Difference]: Start difference. First operand 921 states and 1302 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:19,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:19,271 INFO L93 Difference]: Finished difference Result 1805 states and 2560 transitions. [2023-12-19 15:05:19,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 15:05:19,271 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 157 [2023-12-19 15:05:19,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:19,274 INFO L225 Difference]: With dead ends: 1805 [2023-12-19 15:05:19,274 INFO L226 Difference]: Without dead ends: 1017 [2023-12-19 15:05:19,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:05:19,276 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 45 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:19,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 621 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:05:19,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2023-12-19 15:05:19,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 945. [2023-12-19 15:05:19,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 790 states have (on average 1.3113924050632912) internal successors, (1036), 796 states have internal predecessors, (1036), 145 states have call successors, (145), 9 states have call predecessors, (145), 9 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-19 15:05:19,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1326 transitions. [2023-12-19 15:05:19,339 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1326 transitions. Word has length 157 [2023-12-19 15:05:19,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:19,340 INFO L495 AbstractCegarLoop]: Abstraction has 945 states and 1326 transitions. [2023-12-19 15:05:19,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1326 transitions. [2023-12-19 15:05:19,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-19 15:05:19,342 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:19,342 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:19,348 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 15:05:19,548 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 15:05:19,549 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:19,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:19,549 INFO L85 PathProgramCache]: Analyzing trace with hash 585274091, now seen corresponding path program 1 times [2023-12-19 15:05:19,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:19,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103966360] [2023-12-19 15:05:19,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:19,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:19,575 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:19,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [72382860] [2023-12-19 15:05:19,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:19,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:19,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:19,576 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 15:05:19,599 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 15:05:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:19,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-19 15:05:19,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:20,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2023-12-19 15:05:20,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2023-12-19 15:05:20,132 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:20,132 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:20,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:20,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103966360] [2023-12-19 15:05:20,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:20,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72382860] [2023-12-19 15:05:20,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72382860] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:20,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:20,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-19 15:05:20,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652041580] [2023-12-19 15:05:20,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:20,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-19 15:05:20,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:20,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-19 15:05:20,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:05:20,133 INFO L87 Difference]: Start difference. First operand 945 states and 1326 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:20,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:20,498 INFO L93 Difference]: Finished difference Result 2019 states and 2818 transitions. [2023-12-19 15:05:20,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-19 15:05:20,499 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 157 [2023-12-19 15:05:20,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:20,503 INFO L225 Difference]: With dead ends: 2019 [2023-12-19 15:05:20,504 INFO L226 Difference]: Without dead ends: 1207 [2023-12-19 15:05:20,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-12-19 15:05:20,507 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 269 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:20,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 682 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 15:05:20,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2023-12-19 15:05:20,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1003. [2023-12-19 15:05:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1003 states, 848 states have (on average 1.3018867924528301) internal successors, (1104), 854 states have internal predecessors, (1104), 145 states have call successors, (145), 9 states have call predecessors, (145), 9 states have return successors, (145), 139 states have call predecessors, (145), 145 states have call successors, (145) [2023-12-19 15:05:20,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1394 transitions. [2023-12-19 15:05:20,558 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1394 transitions. Word has length 157 [2023-12-19 15:05:20,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:20,558 INFO L495 AbstractCegarLoop]: Abstraction has 1003 states and 1394 transitions. [2023-12-19 15:05:20,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:20,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1394 transitions. [2023-12-19 15:05:20,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-19 15:05:20,560 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:20,560 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:20,569 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 15:05:20,770 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 15:05:20,770 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:20,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:20,771 INFO L85 PathProgramCache]: Analyzing trace with hash -387139132, now seen corresponding path program 1 times [2023-12-19 15:05:20,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:20,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625373917] [2023-12-19 15:05:20,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:20,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:20,801 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:20,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [214177543] [2023-12-19 15:05:20,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:20,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:20,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:20,803 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 15:05:20,826 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 15:05:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:21,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-19 15:05:21,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:21,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 14 [2023-12-19 15:05:21,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-19 15:05:21,496 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2023-12-19 15:05:21,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:05:21,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 108 treesize of output 64 [2023-12-19 15:05:21,830 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 452 proven. 60 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-12-19 15:05:21,830 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 15:05:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:22,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:22,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625373917] [2023-12-19 15:05:22,071 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:22,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214177543] [2023-12-19 15:05:22,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214177543] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-19 15:05:22,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-19 15:05:22,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [23] total 30 [2023-12-19 15:05:22,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649408543] [2023-12-19 15:05:22,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:22,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-19 15:05:22,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:22,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-19 15:05:22,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2023-12-19 15:05:22,072 INFO L87 Difference]: Start difference. First operand 1003 states and 1394 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:22,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:22,600 INFO L93 Difference]: Finished difference Result 2485 states and 3455 transitions. [2023-12-19 15:05:22,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-19 15:05:22,601 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2023-12-19 15:05:22,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:22,606 INFO L225 Difference]: With dead ends: 2485 [2023-12-19 15:05:22,606 INFO L226 Difference]: Without dead ends: 1673 [2023-12-19 15:05:22,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=206, Invalid=1200, Unknown=0, NotChecked=0, Total=1406 [2023-12-19 15:05:22,608 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 783 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:22,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1695 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-19 15:05:22,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2023-12-19 15:05:22,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1439. [2023-12-19 15:05:22,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1439 states, 1247 states have (on average 1.3039294306335205) internal successors, (1626), 1257 states have internal predecessors, (1626), 177 states have call successors, (177), 14 states have call predecessors, (177), 14 states have return successors, (177), 167 states have call predecessors, (177), 177 states have call successors, (177) [2023-12-19 15:05:22,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1439 states and 1980 transitions. [2023-12-19 15:05:22,671 INFO L78 Accepts]: Start accepts. Automaton has 1439 states and 1980 transitions. Word has length 158 [2023-12-19 15:05:22,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:22,672 INFO L495 AbstractCegarLoop]: Abstraction has 1439 states and 1980 transitions. [2023-12-19 15:05:22,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:22,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1980 transitions. [2023-12-19 15:05:22,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-19 15:05:22,674 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:22,674 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:22,683 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 15:05:22,883 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 15:05:22,884 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:22,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:22,884 INFO L85 PathProgramCache]: Analyzing trace with hash 999064262, now seen corresponding path program 1 times [2023-12-19 15:05:22,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:22,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553120560] [2023-12-19 15:05:22,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:22,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:22,913 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:22,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1922468788] [2023-12-19 15:05:22,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:22,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:22,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:22,922 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 15:05:22,928 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 15:05:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:23,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-19 15:05:23,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:23,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2023-12-19 15:05:23,507 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:05:23,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2023-12-19 15:05:23,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-19 15:05:23,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2023-12-19 15:05:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-12-19 15:05:23,600 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 15:05:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-19 15:05:23,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:23,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553120560] [2023-12-19 15:05:23,784 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:23,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922468788] [2023-12-19 15:05:23,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922468788] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 15:05:23,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 15:05:23,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2023-12-19 15:05:23,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712040109] [2023-12-19 15:05:23,784 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 15:05:23,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-19 15:05:23,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:23,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-19 15:05:23,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-12-19 15:05:23,786 INFO L87 Difference]: Start difference. First operand 1439 states and 1980 transitions. Second operand has 14 states, 12 states have (on average 9.583333333333334) internal successors, (115), 14 states have internal predecessors, (115), 6 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 6 states have call successors, (38) [2023-12-19 15:05:24,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:24,270 INFO L93 Difference]: Finished difference Result 2884 states and 3985 transitions. [2023-12-19 15:05:24,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-19 15:05:24,271 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 9.583333333333334) internal successors, (115), 14 states have internal predecessors, (115), 6 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 6 states have call successors, (38) Word has length 158 [2023-12-19 15:05:24,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:24,276 INFO L225 Difference]: With dead ends: 2884 [2023-12-19 15:05:24,276 INFO L226 Difference]: Without dead ends: 1649 [2023-12-19 15:05:24,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2023-12-19 15:05:24,279 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 242 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 1337 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:24,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 1337 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-19 15:05:24,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2023-12-19 15:05:24,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1639. [2023-12-19 15:05:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1407 states have (on average 1.3041933191186923) internal successors, (1835), 1418 states have internal predecessors, (1835), 212 states have call successors, (212), 19 states have call predecessors, (212), 19 states have return successors, (212), 201 states have call predecessors, (212), 212 states have call successors, (212) [2023-12-19 15:05:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2259 transitions. [2023-12-19 15:05:24,376 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 2259 transitions. Word has length 158 [2023-12-19 15:05:24,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:24,376 INFO L495 AbstractCegarLoop]: Abstraction has 1639 states and 2259 transitions. [2023-12-19 15:05:24,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 9.583333333333334) internal successors, (115), 14 states have internal predecessors, (115), 6 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 6 states have call successors, (38) [2023-12-19 15:05:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2259 transitions. [2023-12-19 15:05:24,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-19 15:05:24,378 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:24,378 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:24,387 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 15:05:24,588 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 15:05:24,588 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:24,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:24,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1583729529, now seen corresponding path program 1 times [2023-12-19 15:05:24,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:24,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391130204] [2023-12-19 15:05:24,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:24,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:24,621 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:24,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1193638332] [2023-12-19 15:05:24,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:24,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:24,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:24,626 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 15:05:24,627 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 15:05:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:24,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-19 15:05:24,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:24,873 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:24,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:24,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391130204] [2023-12-19 15:05:24,873 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:24,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193638332] [2023-12-19 15:05:24,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193638332] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:24,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:24,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-19 15:05:24,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013895096] [2023-12-19 15:05:24,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:24,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-19 15:05:24,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:24,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-19 15:05:24,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 15:05:24,874 INFO L87 Difference]: Start difference. First operand 1639 states and 2259 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:24,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:24,942 INFO L93 Difference]: Finished difference Result 3707 states and 5077 transitions. [2023-12-19 15:05:24,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-19 15:05:24,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 159 [2023-12-19 15:05:24,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:24,949 INFO L225 Difference]: With dead ends: 3707 [2023-12-19 15:05:24,949 INFO L226 Difference]: Without dead ends: 2302 [2023-12-19 15:05:24,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-19 15:05:24,952 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 35 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:24,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 315 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:05:24,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2302 states. [2023-12-19 15:05:25,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2302 to 2104. [2023-12-19 15:05:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2104 states, 1872 states have (on average 1.2799145299145298) internal successors, (2396), 1883 states have internal predecessors, (2396), 212 states have call successors, (212), 19 states have call predecessors, (212), 19 states have return successors, (212), 201 states have call predecessors, (212), 212 states have call successors, (212) [2023-12-19 15:05:25,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2104 states to 2104 states and 2820 transitions. [2023-12-19 15:05:25,045 INFO L78 Accepts]: Start accepts. Automaton has 2104 states and 2820 transitions. Word has length 159 [2023-12-19 15:05:25,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:25,045 INFO L495 AbstractCegarLoop]: Abstraction has 2104 states and 2820 transitions. [2023-12-19 15:05:25,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:25,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2820 transitions. [2023-12-19 15:05:25,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-19 15:05:25,047 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:25,047 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:25,053 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 15:05:25,253 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 15:05:25,254 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:25,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:25,254 INFO L85 PathProgramCache]: Analyzing trace with hash -870639892, now seen corresponding path program 1 times [2023-12-19 15:05:25,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:25,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346120963] [2023-12-19 15:05:25,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:25,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:25,277 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:25,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1714829544] [2023-12-19 15:05:25,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:25,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:25,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:25,279 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 15:05:25,290 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 15:05:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 15:05:25,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-19 15:05:25,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 15:05:25,512 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-19 15:05:25,512 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 15:05:25,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 15:05:25,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346120963] [2023-12-19 15:05:25,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 15:05:25,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714829544] [2023-12-19 15:05:25,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714829544] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 15:05:25,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 15:05:25,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-19 15:05:25,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679361964] [2023-12-19 15:05:25,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 15:05:25,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 15:05:25,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 15:05:25,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 15:05:25,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 15:05:25,514 INFO L87 Difference]: Start difference. First operand 2104 states and 2820 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:25,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 15:05:25,603 INFO L93 Difference]: Finished difference Result 3922 states and 5297 transitions. [2023-12-19 15:05:25,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-19 15:05:25,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 159 [2023-12-19 15:05:25,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 15:05:25,610 INFO L225 Difference]: With dead ends: 3922 [2023-12-19 15:05:25,610 INFO L226 Difference]: Without dead ends: 2188 [2023-12-19 15:05:25,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-19 15:05:25,614 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 21 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 15:05:25,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 614 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 15:05:25,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2023-12-19 15:05:25,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2146. [2023-12-19 15:05:25,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 1914 states have (on average 1.2737722048066875) internal successors, (2438), 1925 states have internal predecessors, (2438), 212 states have call successors, (212), 19 states have call predecessors, (212), 19 states have return successors, (212), 201 states have call predecessors, (212), 212 states have call successors, (212) [2023-12-19 15:05:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2862 transitions. [2023-12-19 15:05:25,692 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2862 transitions. Word has length 159 [2023-12-19 15:05:25,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 15:05:25,692 INFO L495 AbstractCegarLoop]: Abstraction has 2146 states and 2862 transitions. [2023-12-19 15:05:25,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-19 15:05:25,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2862 transitions. [2023-12-19 15:05:25,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-19 15:05:25,694 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 15:05:25,694 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:25,703 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 15:05:25,900 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 15:05:25,900 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 15:05:25,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 15:05:25,901 INFO L85 PathProgramCache]: Analyzing trace with hash -86238399, now seen corresponding path program 1 times [2023-12-19 15:05:25,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 15:05:25,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295604757] [2023-12-19 15:05:25,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:25,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 15:05:25,933 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 15:05:25,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [291595646] [2023-12-19 15:05:25,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 15:05:25,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 15:05:25,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 15:05:25,934 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 15:05:25,948 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 15:05:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 15:05:26,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-19 15:05:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-19 15:05:26,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-19 15:05:26,708 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-19 15:05:26,708 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 15:05:26,722 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 15:05:26,919 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 15:05:26,922 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 15:05:26,924 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 15:05:26,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 03:05:26 BoogieIcfgContainer [2023-12-19 15:05:26,993 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 15:05:26,994 INFO L158 Benchmark]: Toolchain (without parser) took 20959.63ms. Allocated memory was 173.0MB in the beginning and 399.5MB in the end (delta: 226.5MB). Free memory was 123.2MB in the beginning and 319.3MB in the end (delta: -196.1MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. [2023-12-19 15:05:26,994 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 173.0MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 15:05:26,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.23ms. Allocated memory is still 173.0MB. Free memory was 123.2MB in the beginning and 107.5MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-19 15:05:26,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.87ms. Allocated memory is still 173.0MB. Free memory was 107.5MB in the beginning and 103.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-19 15:05:26,994 INFO L158 Benchmark]: Boogie Preprocessor took 64.97ms. Allocated memory is still 173.0MB. Free memory was 103.3MB in the beginning and 97.7MB in the end (delta: 5.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-19 15:05:26,994 INFO L158 Benchmark]: RCFGBuilder took 650.21ms. Allocated memory is still 173.0MB. Free memory was 97.7MB in the beginning and 118.2MB in the end (delta: -20.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-19 15:05:26,995 INFO L158 Benchmark]: TraceAbstraction took 19921.93ms. Allocated memory was 173.0MB in the beginning and 399.5MB in the end (delta: 226.5MB). Free memory was 117.7MB in the beginning and 319.3MB in the end (delta: -201.6MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. [2023-12-19 15:05:26,995 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 173.0MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 268.23ms. Allocated memory is still 173.0MB. Free memory was 123.2MB in the beginning and 107.5MB in the end (delta: 15.7MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.87ms. Allocated memory is still 173.0MB. Free memory was 107.5MB in the beginning and 103.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.97ms. Allocated memory is still 173.0MB. Free memory was 103.3MB in the beginning and 97.7MB in the end (delta: 5.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 650.21ms. Allocated memory is still 173.0MB. Free memory was 97.7MB in the beginning and 118.2MB in the end (delta: -20.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 19921.93ms. Allocated memory was 173.0MB in the beginning and 399.5MB in the end (delta: 226.5MB). Free memory was 117.7MB in the beginning and 319.3MB in the end (delta: -201.6MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 105. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L25-L27] double double_Array_0[2][2] = { {0.25, 64.2}, {0.0, 0.0} }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L28-L30] signed long int signed_long_int_Array_0[3] = { 2, 4, -32 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L31-L33] unsigned long int unsigned_long_int_Array_0[3] = { 50, 2655070710, 0 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L34-L36] unsigned short int unsigned_short_int_Array_0[3] = { 36833, 10, 32 }; [L37] unsigned char last_1_BOOL_unsigned_char_Array_0_2_ = 0; [L38] signed long int last_1_signed_long_int_Array_0_2_ = -32; [L39] unsigned long int last_1_unsigned_long_int_Array_0_0_ = 50; [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] CALL updateLastVariables() [L100] EXPR BOOL_unsigned_char_Array_0[2] [L100] last_1_BOOL_unsigned_char_Array_0_2_ = BOOL_unsigned_char_Array_0[2] [L101] EXPR signed_long_int_Array_0[2] [L101] last_1_signed_long_int_Array_0_2_ = signed_long_int_Array_0[2] [L102] EXPR unsigned_long_int_Array_0[0] [L102] last_1_unsigned_long_int_Array_0_0_ = unsigned_long_int_Array_0[0] [L112] RET updateLastVariables() [L113] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L71] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L74] double_Array_0[0][0] = __VERIFIER_nondet_double() [L75] EXPR double_Array_0[0][0] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F [L75] EXPR double_Array_0[0][0] [L75] EXPR double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] EXPR (double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] CALL assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L75] RET assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854776000e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854776000e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L76] double_Array_0[1][0] = __VERIFIER_nondet_double() [L77] EXPR double_Array_0[1][0] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F [L77] EXPR double_Array_0[1][0] [L77] EXPR double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] EXPR (double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] CALL assume_abort_if_not((double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L77] RET assume_abort_if_not((double_Array_0[1][0] >= 4611686.018427387900e+12F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L78] double_Array_0[0][1] = __VERIFIER_nondet_double() [L79] EXPR double_Array_0[0][1] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F [L79] EXPR double_Array_0[0][1] [L79] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] CALL assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L79] RET assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 4611686.018427387900e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L80] double_Array_0[1][1] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[1][1] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F [L81] EXPR double_Array_0[1][1] [L81] EXPR double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR (double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] EXPR (double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] CALL assume_abort_if_not((double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L81] RET assume_abort_if_not((double_Array_0[1][1] >= 0.0F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854776000e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L82] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L83] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L83] RET assume_abort_if_not(signed_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 16) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L84] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 16) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L85] signed_long_int_Array_0[1] = __VERIFIER_nondet_long() [L86] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] CALL assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L86] RET assume_abort_if_not(signed_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[1] <= 17) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L87] RET assume_abort_if_not(signed_long_int_Array_0[1] <= 17) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L88] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L89] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L89] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L89] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L90] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L91] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L92] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L93] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L94] unsigned_short_int_Array_0[2] = __VERIFIER_nondet_ushort() [L95] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L95] RET assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L96] RET assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L97] RET assume_abort_if_not(unsigned_short_int_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L113] RET updateVariables() [L114] CALL step() [L43] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L43] COND TRUE (unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_ [L44] EXPR double_Array_0[1][0] [L44] EXPR double_Array_0[0][1] [L44] EXPR double_Array_0[1][1] [L44] EXPR double_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L44] COND FALSE !(((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) [L50] EXPR unsigned_short_int_Array_0[0] [L50] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L50] COND TRUE unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[1] [L51] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] EXPR ((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]) [L51] EXPR unsigned_short_int_Array_0[1] [L51] EXPR ((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L51] EXPR unsigned_short_int_Array_0[1] [L51] signed_long_int_Array_0[2] = (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]) [L53] COND FALSE !(\read(last_1_BOOL_unsigned_char_Array_0_2_)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L56] EXPR unsigned_long_int_Array_0[1] [L56] EXPR signed_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L56] EXPR ((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])) [L56] EXPR ((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L56] unsigned_long_int_Array_0[0] = ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))) [L57] EXPR unsigned_long_int_Array_0[0] [L57] unsigned long int stepLocal_1 = unsigned_long_int_Array_0[0]; [L58] EXPR unsigned_long_int_Array_0[0] [L58] unsigned long int stepLocal_0 = unsigned_long_int_Array_0[0]; [L59] EXPR signed_long_int_Array_0[2] [L59] EXPR signed_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) [L59] EXPR signed_long_int_Array_0[2] [L59] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, stepLocal_0=50, stepLocal_1=50, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L59] COND FALSE !((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > stepLocal_1) [L114] RET step() [L115] CALL, EXPR property() [L105] EXPR signed_long_int_Array_0[2] [L105] EXPR signed_long_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) [L105] EXPR signed_long_int_Array_0[2] [L105] EXPR ((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR unsigned_short_int_Array_0[2] [L105] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1 [L105] EXPR ((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) [L105] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) [L105] EXPR double_Array_0[1][0] [L105] EXPR double_Array_0[0][1] [L105] EXPR double_Array_0[1][1] [L105] EXPR double_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1 [L105] EXPR unsigned_short_int_Array_0[1] [L105] EXPR unsigned_short_int_Array_0[0] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR (((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR (((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105] EXPR ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L105-L106] return ((((((((((signed_long_int_Array_0[2]) > (signed_long_int_Array_0[2])) ? (signed_long_int_Array_0[2]) : (signed_long_int_Array_0[2]))) / unsigned_short_int_Array_0[2]) > unsigned_long_int_Array_0[0]) ? ((unsigned_long_int_Array_0[0] == signed_long_int_Array_0[2]) ? (unsigned_long_int_Array_0[2] == ((unsigned long int) 1000000000u)) : (unsigned_long_int_Array_0[2] == ((unsigned long int) 128u))) : 1) && (((unsigned_short_int_Array_0[2] - last_1_unsigned_long_int_Array_0_0_) == last_1_signed_long_int_Array_0_2_) ? ((((double_Array_0[1][0] - double_Array_0[0][1]) - double_Array_0[1][1]) > double_Array_0[0][0]) ? (unsigned_short_int_Array_0[1] == ((unsigned short int) (unsigned_short_int_Array_0[0] - signed_long_int_Array_0[0]))) : 1) : (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (last_1_BOOL_unsigned_char_Array_0_2_ ? (BOOL_unsigned_char_Array_0[2] == ((unsigned char) (BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]))) : 1)) && ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[1]) ? (signed_long_int_Array_0[2] == ((signed long int) (((((unsigned_short_int_Array_0[1]) < (unsigned_short_int_Array_0[0])) ? (unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[0]))) - unsigned_short_int_Array_0[1]))) : 1)) && (unsigned_long_int_Array_0[0] == ((unsigned long int) ((((((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) < ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1]))) ? (((((last_1_unsigned_long_int_Array_0_0_) < 0 ) ? -(last_1_unsigned_long_int_Array_0_0_) : (last_1_unsigned_long_int_Array_0_0_)))) : ((unsigned_long_int_Array_0[1] - signed_long_int_Array_0[1])))))) ; [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_2_=0, last_1_signed_long_int_Array_0_2_=-32, last_1_unsigned_long_int_Array_0_0_=50, signed_long_int_Array_0={6:0}, unsigned_long_int_Array_0={7:0}, unsigned_short_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.8s, OverallIterations: 20, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3656 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3640 mSDsluCounter, 16762 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12677 mSDsCounter, 311 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3829 IncrementalHoareTripleChecker+Invalid, 4140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 311 mSolverCounterUnsat, 4085 mSDtfsCounter, 3829 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3630 GetRequests, 3461 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2146occurred in iteration=19, InterpolantAutomatonStates: 150, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 19 MinimizatonAttempts, 4357 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 3429 NumberOfCodeBlocks, 3429 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3568 ConstructedInterpolants, 0 QuantifiedInterpolants, 14139 SizeOfPredicates, 128 NumberOfNonLiveVariables, 10080 ConjunctsInSsa, 276 ConjunctsInUnsatCore, 23 InterpolantComputations, 18 PerfectInterpolantSequences, 15636/15732 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-19 15:05:27,033 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...