/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-p_file-31.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 21:36:49,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 21:36:49,921 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 21:36:49,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 21:36:49,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 21:36:49,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 21:36:49,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 21:36:49,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 21:36:49,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 21:36:49,944 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 21:36:49,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 21:36:49,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 21:36:49,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 21:36:49,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 21:36:49,946 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 21:36:49,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 21:36:49,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 21:36:49,947 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 21:36:49,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 21:36:49,947 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 21:36:49,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 21:36:49,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 21:36:49,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 21:36:49,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 21:36:49,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 21:36:49,949 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 21:36:49,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 21:36:49,950 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 21:36:49,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 21:36:49,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 21:36:49,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 21:36:49,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 21:36:49,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:36:49,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 21:36:49,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 21:36:49,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 21:36:49,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 21:36:49,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 21:36:49,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 21:36:49,954 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 21:36:49,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 21:36:49,954 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 21:36:49,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 21:36:49,955 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 21:36:50,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 21:36:50,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 21:36:50,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 21:36:50,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 21:36:50,205 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 21:36:50,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i [2023-12-15 21:36:51,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 21:36:51,742 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 21:36:51,743 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-31.i [2023-12-15 21:36:51,753 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a3fd282/c2923b9ec29f4447a2f06f639096a2ab/FLAG07ec17e60 [2023-12-15 21:36:51,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a3fd282/c2923b9ec29f4447a2f06f639096a2ab [2023-12-15 21:36:51,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 21:36:51,768 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 21:36:51,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 21:36:51,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 21:36:51,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 21:36:51,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:36:51" (1/1) ... [2023-12-15 21:36:51,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65444749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:51, skipping insertion in model container [2023-12-15 21:36:51,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:36:51" (1/1) ... [2023-12-15 21:36:51,806 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 21:36:51,951 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-p_file-31.i[916,929] [2023-12-15 21:36:51,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:36:52,005 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 21:36:52,014 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-p_file-31.i[916,929] [2023-12-15 21:36:52,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:36:52,056 INFO L206 MainTranslator]: Completed translation [2023-12-15 21:36:52,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52 WrapperNode [2023-12-15 21:36:52,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 21:36:52,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 21:36:52,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 21:36:52,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 21:36:52,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (1/1) ... [2023-12-15 21:36:52,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (1/1) ... [2023-12-15 21:36:52,117 INFO L138 Inliner]: procedures = 29, calls = 142, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 437 [2023-12-15 21:36:52,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 21:36:52,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 21:36:52,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 21:36:52,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 21:36:52,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (1/1) ... [2023-12-15 21:36:52,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (1/1) ... [2023-12-15 21:36:52,133 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (1/1) ... [2023-12-15 21:36:52,153 INFO L175 MemorySlicer]: Split 110 memory accesses to 11 slices as follows [2, 5, 8, 16, 12, 6, 6, 25, 8, 10, 12]. 23 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 2, 1, 1, 1, 2, 1, 2, 1, 4, 1]. [2023-12-15 21:36:52,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (1/1) ... [2023-12-15 21:36:52,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (1/1) ... [2023-12-15 21:36:52,172 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (1/1) ... [2023-12-15 21:36:52,185 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (1/1) ... [2023-12-15 21:36:52,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (1/1) ... [2023-12-15 21:36:52,192 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (1/1) ... [2023-12-15 21:36:52,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 21:36:52,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 21:36:52,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 21:36:52,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 21:36:52,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (1/1) ... [2023-12-15 21:36:52,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:36:52,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:36:52,229 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) [2023-12-15 21:36:52,248 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 [2023-12-15 21:36:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 21:36:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-15 21:36:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-15 21:36:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-12-15 21:36:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-12-15 21:36:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-12-15 21:36:52,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-12-15 21:36:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-12-15 21:36:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2023-12-15 21:36:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2023-12-15 21:36:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2023-12-15 21:36:52,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2023-12-15 21:36:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-15 21:36:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-15 21:36:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-15 21:36:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-15 21:36:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-15 21:36:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-12-15 21:36:52,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-12-15 21:36:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-12-15 21:36:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-12-15 21:36:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-12-15 21:36:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-12-15 21:36:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-15 21:36:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-15 21:36:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-12-15 21:36:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-12-15 21:36:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-12-15 21:36:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-12-15 21:36:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-12-15 21:36:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2023-12-15 21:36:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2023-12-15 21:36:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2023-12-15 21:36:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2023-12-15 21:36:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-15 21:36:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-15 21:36:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-15 21:36:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-15 21:36:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-15 21:36:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-12-15 21:36:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-12-15 21:36:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-12-15 21:36:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-12-15 21:36:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-12-15 21:36:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-12-15 21:36:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-15 21:36:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-15 21:36:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-12-15 21:36:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-12-15 21:36:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-12-15 21:36:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-12-15 21:36:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-12-15 21:36:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2023-12-15 21:36:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2023-12-15 21:36:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2023-12-15 21:36:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2023-12-15 21:36:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 21:36:52,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 21:36:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 21:36:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 21:36:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-15 21:36:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-15 21:36:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-15 21:36:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-12-15 21:36:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-12-15 21:36:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-12-15 21:36:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-12-15 21:36:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-12-15 21:36:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-12-15 21:36:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 21:36:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 21:36:52,483 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 21:36:52,484 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 21:36:52,910 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 21:36:52,947 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 21:36:52,947 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 21:36:52,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:36:52 BoogieIcfgContainer [2023-12-15 21:36:52,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 21:36:52,950 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 21:36:52,950 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 21:36:52,953 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 21:36:52,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:36:51" (1/3) ... [2023-12-15 21:36:52,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e9dabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:36:52, skipping insertion in model container [2023-12-15 21:36:52,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:36:52" (2/3) ... [2023-12-15 21:36:52,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e9dabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:36:52, skipping insertion in model container [2023-12-15 21:36:52,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:36:52" (3/3) ... [2023-12-15 21:36:52,956 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-31.i [2023-12-15 21:36:52,972 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 21:36:52,972 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 21:36:53,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 21:36:53,021 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;@1c1a0a61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 21:36:53,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 21:36:53,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 66 states have (on average 1.5) internal successors, (99), 67 states have internal predecessors, (99), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-15 21:36:53,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 21:36:53,042 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:36:53,042 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:36:53,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:36:53,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:36:53,047 INFO L85 PathProgramCache]: Analyzing trace with hash 565448202, now seen corresponding path program 1 times [2023-12-15 21:36:53,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:36:53,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995534903] [2023-12-15 21:36:53,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:53,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:36:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:36:53,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:36:53,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995534903] [2023-12-15 21:36:53,336 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 21:36:53,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660767066] [2023-12-15 21:36:53,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:53,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:36:53,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:36:53,343 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) [2023-12-15 21:36:53,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 21:36:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:36:53,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 21:36:53,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:36:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-12-15 21:36:53,649 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:36:53,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660767066] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:36:53,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:36:53,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 21:36:53,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740515647] [2023-12-15 21:36:53,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:36:53,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 21:36:53,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:36:53,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 21:36:53,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:36:53,692 INFO L87 Difference]: Start difference. First operand has 80 states, 66 states have (on average 1.5) internal successors, (99), 67 states have internal predecessors, (99), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-15 21:36:53,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:36:53,727 INFO L93 Difference]: Finished difference Result 157 states and 251 transitions. [2023-12-15 21:36:53,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 21:36:53,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2023-12-15 21:36:53,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:36:53,736 INFO L225 Difference]: With dead ends: 157 [2023-12-15 21:36:53,736 INFO L226 Difference]: Without dead ends: 78 [2023-12-15 21:36:53,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:36:53,741 INFO L413 NwaCegarLoop]: 112 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, 112 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 [2023-12-15 21:36:53,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:36:53,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-12-15 21:36:53,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-12-15 21:36:53,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 65 states have internal predecessors, (94), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-15 21:36:53,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 116 transitions. [2023-12-15 21:36:53,780 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 116 transitions. Word has length 89 [2023-12-15 21:36:53,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:36:53,781 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 116 transitions. [2023-12-15 21:36:53,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-15 21:36:53,781 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 116 transitions. [2023-12-15 21:36:53,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 21:36:53,784 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:36:53,784 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:36:53,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 21:36:53,991 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 [2023-12-15 21:36:53,992 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:36:53,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:36:53,992 INFO L85 PathProgramCache]: Analyzing trace with hash -724558628, now seen corresponding path program 1 times [2023-12-15 21:36:53,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:36:53,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505225657] [2023-12-15 21:36:53,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:53,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:36:54,058 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:36:54,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1746618598] [2023-12-15 21:36:54,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:54,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:36:54,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:36:54,065 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) [2023-12-15 21:36:54,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 21:36:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:36:54,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 21:36:54,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:36:54,301 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-15 21:36:54,302 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:36:54,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:36:54,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505225657] [2023-12-15 21:36:54,302 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:36:54,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746618598] [2023-12-15 21:36:54,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746618598] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:36:54,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:36:54,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 21:36:54,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107676464] [2023-12-15 21:36:54,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:36:54,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:36:54,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:36:54,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:36:54,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:36:54,305 INFO L87 Difference]: Start difference. First operand 78 states and 116 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-15 21:36:54,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:36:54,344 INFO L93 Difference]: Finished difference Result 161 states and 240 transitions. [2023-12-15 21:36:54,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 21:36:54,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 89 [2023-12-15 21:36:54,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:36:54,346 INFO L225 Difference]: With dead ends: 161 [2023-12-15 21:36:54,347 INFO L226 Difference]: Without dead ends: 84 [2023-12-15 21:36:54,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:36:54,348 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 10 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:36:54,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 327 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:36:54,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-12-15 21:36:54,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2023-12-15 21:36:54,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 67 states have internal predecessors, (96), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-15 21:36:54,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 118 transitions. [2023-12-15 21:36:54,359 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 118 transitions. Word has length 89 [2023-12-15 21:36:54,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:36:54,360 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 118 transitions. [2023-12-15 21:36:54,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-15 21:36:54,360 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 118 transitions. [2023-12-15 21:36:54,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 21:36:54,362 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:36:54,362 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:36:54,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 21:36:54,568 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 [2023-12-15 21:36:54,569 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:36:54,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:36:54,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1647180634, now seen corresponding path program 1 times [2023-12-15 21:36:54,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:36:54,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27995773] [2023-12-15 21:36:54,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:54,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:36:54,637 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:36:54,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [31049551] [2023-12-15 21:36:54,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:54,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:36:54,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:36:54,645 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) [2023-12-15 21:36:54,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 21:36:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:36:54,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-15 21:36:54,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:36:54,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-15 21:36:54,939 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:36:54,940 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:36:54,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:36:54,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27995773] [2023-12-15 21:36:54,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:36:54,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31049551] [2023-12-15 21:36:54,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31049551] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:36:54,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:36:54,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:36:54,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185263079] [2023-12-15 21:36:54,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:36:54,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 21:36:54,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:36:54,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 21:36:54,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:36:54,944 INFO L87 Difference]: Start difference. First operand 80 states and 118 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:54,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:36:54,981 INFO L93 Difference]: Finished difference Result 159 states and 235 transitions. [2023-12-15 21:36:54,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 21:36:54,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 89 [2023-12-15 21:36:54,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:36:54,986 INFO L225 Difference]: With dead ends: 159 [2023-12-15 21:36:54,986 INFO L226 Difference]: Without dead ends: 80 [2023-12-15 21:36:54,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:36:54,988 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:36:54,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 218 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:36:54,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-15 21:36:55,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-12-15 21:36:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-15 21:36:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 117 transitions. [2023-12-15 21:36:55,004 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 117 transitions. Word has length 89 [2023-12-15 21:36:55,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:36:55,004 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 117 transitions. [2023-12-15 21:36:55,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:55,005 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2023-12-15 21:36:55,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-15 21:36:55,006 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:36:55,006 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:36:55,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 21:36:55,215 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 [2023-12-15 21:36:55,215 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:36:55,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:36:55,216 INFO L85 PathProgramCache]: Analyzing trace with hash 626112280, now seen corresponding path program 1 times [2023-12-15 21:36:55,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:36:55,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889451480] [2023-12-15 21:36:55,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:55,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:36:55,271 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:36:55,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [722901785] [2023-12-15 21:36:55,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:55,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:36:55,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:36:55,280 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) [2023-12-15 21:36:55,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 21:36:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:36:55,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-15 21:36:55,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:36:55,512 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 25 treesize of output 21 [2023-12-15 21:36:55,561 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-15 21:36:55,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:36:55,620 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:36:55,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:36:55,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889451480] [2023-12-15 21:36:55,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:36:55,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722901785] [2023-12-15 21:36:55,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722901785] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-15 21:36:55,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:36:55,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2023-12-15 21:36:55,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926899126] [2023-12-15 21:36:55,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:36:55,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:36:55,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:36:55,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:36:55,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 21:36:55,624 INFO L87 Difference]: Start difference. First operand 80 states and 117 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:55,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:36:55,762 INFO L93 Difference]: Finished difference Result 221 states and 321 transitions. [2023-12-15 21:36:55,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 21:36:55,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 89 [2023-12-15 21:36:55,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:36:55,766 INFO L225 Difference]: With dead ends: 221 [2023-12-15 21:36:55,766 INFO L226 Difference]: Without dead ends: 142 [2023-12-15 21:36:55,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-15 21:36:55,774 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 121 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:36:55,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 441 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:36:55,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-12-15 21:36:55,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 119. [2023-12-15 21:36:55,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 103 states have (on average 1.4174757281553398) internal successors, (146), 104 states have internal predecessors, (146), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-15 21:36:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 172 transitions. [2023-12-15 21:36:55,796 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 172 transitions. Word has length 89 [2023-12-15 21:36:55,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:36:55,797 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 172 transitions. [2023-12-15 21:36:55,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:55,797 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 172 transitions. [2023-12-15 21:36:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 21:36:55,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:36:55,804 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:36:55,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 21:36:56,010 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 [2023-12-15 21:36:56,011 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:36:56,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:36:56,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1422802691, now seen corresponding path program 1 times [2023-12-15 21:36:56,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:36:56,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474587751] [2023-12-15 21:36:56,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:56,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:36:56,049 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:36:56,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [316440962] [2023-12-15 21:36:56,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:56,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:36:56,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:36:56,055 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) [2023-12-15 21:36:56,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 21:36:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:36:56,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 21:36:56,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:36:56,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-15 21:36:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:36:56,298 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:36:56,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:36:56,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474587751] [2023-12-15 21:36:56,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:36:56,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316440962] [2023-12-15 21:36:56,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316440962] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:36:56,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:36:56,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:36:56,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734649064] [2023-12-15 21:36:56,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:36:56,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 21:36:56,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:36:56,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 21:36:56,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:36:56,301 INFO L87 Difference]: Start difference. First operand 119 states and 172 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:56,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:36:56,321 INFO L93 Difference]: Finished difference Result 273 states and 397 transitions. [2023-12-15 21:36:56,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 21:36:56,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2023-12-15 21:36:56,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:36:56,325 INFO L225 Difference]: With dead ends: 273 [2023-12-15 21:36:56,325 INFO L226 Difference]: Without dead ends: 155 [2023-12-15 21:36:56,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:36:56,326 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 28 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:36:56,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 215 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:36:56,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-12-15 21:36:56,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 119. [2023-12-15 21:36:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 104 states have internal predecessors, (144), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-15 21:36:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 170 transitions. [2023-12-15 21:36:56,335 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 170 transitions. Word has length 91 [2023-12-15 21:36:56,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:36:56,335 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 170 transitions. [2023-12-15 21:36:56,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 170 transitions. [2023-12-15 21:36:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 21:36:56,336 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:36:56,336 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:36:56,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 21:36:56,543 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 [2023-12-15 21:36:56,543 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:36:56,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:36:56,544 INFO L85 PathProgramCache]: Analyzing trace with hash -742744321, now seen corresponding path program 1 times [2023-12-15 21:36:56,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:36:56,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300998285] [2023-12-15 21:36:56,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:56,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:36:56,574 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:36:56,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375386297] [2023-12-15 21:36:56,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:56,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:36:56,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:36:56,575 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) [2023-12-15 21:36:56,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 21:36:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:36:56,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-15 21:36:56,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:36:56,789 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 25 treesize of output 19 [2023-12-15 21:36:56,846 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-15 21:36:56,846 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:36:56,909 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:36:56,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:36:56,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300998285] [2023-12-15 21:36:56,909 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:36:56,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375386297] [2023-12-15 21:36:56,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375386297] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-15 21:36:56,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:36:56,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2023-12-15 21:36:56,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419056424] [2023-12-15 21:36:56,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:36:56,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 21:36:56,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:36:56,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 21:36:56,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-15 21:36:56,911 INFO L87 Difference]: Start difference. First operand 119 states and 170 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:57,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:36:57,041 INFO L93 Difference]: Finished difference Result 282 states and 403 transitions. [2023-12-15 21:36:57,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 21:36:57,042 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2023-12-15 21:36:57,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:36:57,043 INFO L225 Difference]: With dead ends: 282 [2023-12-15 21:36:57,043 INFO L226 Difference]: Without dead ends: 164 [2023-12-15 21:36:57,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-12-15 21:36:57,044 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 141 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:36:57,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 469 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:36:57,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-12-15 21:36:57,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 94. [2023-12-15 21:36:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 78 states have (on average 1.358974358974359) internal successors, (106), 79 states have internal predecessors, (106), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-15 21:36:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2023-12-15 21:36:57,052 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 91 [2023-12-15 21:36:57,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:36:57,052 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2023-12-15 21:36:57,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:57,053 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2023-12-15 21:36:57,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 21:36:57,053 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:36:57,053 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:36:57,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-15 21:36:57,259 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 [2023-12-15 21:36:57,259 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:36:57,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:36:57,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1669762258, now seen corresponding path program 1 times [2023-12-15 21:36:57,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:36:57,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362505098] [2023-12-15 21:36:57,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:57,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:36:57,286 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:36:57,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [302813713] [2023-12-15 21:36:57,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:57,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:36:57,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:36:57,288 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) [2023-12-15 21:36:57,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 21:36:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:36:57,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 21:36:57,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:36:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:36:57,499 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:36:57,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:36:57,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362505098] [2023-12-15 21:36:57,499 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:36:57,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302813713] [2023-12-15 21:36:57,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302813713] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:36:57,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:36:57,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:36:57,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402865932] [2023-12-15 21:36:57,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:36:57,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 21:36:57,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:36:57,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 21:36:57,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:36:57,501 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:57,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:36:57,519 INFO L93 Difference]: Finished difference Result 184 states and 259 transitions. [2023-12-15 21:36:57,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 21:36:57,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2023-12-15 21:36:57,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:36:57,520 INFO L225 Difference]: With dead ends: 184 [2023-12-15 21:36:57,520 INFO L226 Difference]: Without dead ends: 95 [2023-12-15 21:36:57,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:36:57,521 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:36:57,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 213 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:36:57,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-12-15 21:36:57,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-12-15 21:36:57,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.3544303797468353) internal successors, (107), 80 states have internal predecessors, (107), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-15 21:36:57,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 133 transitions. [2023-12-15 21:36:57,528 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 133 transitions. Word has length 91 [2023-12-15 21:36:57,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:36:57,528 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 133 transitions. [2023-12-15 21:36:57,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:57,528 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 133 transitions. [2023-12-15 21:36:57,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-15 21:36:57,529 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:36:57,529 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:36:57,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-15 21:36:57,738 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 [2023-12-15 21:36:57,738 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:36:57,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:36:57,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1927927696, now seen corresponding path program 1 times [2023-12-15 21:36:57,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:36:57,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891613796] [2023-12-15 21:36:57,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:57,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:36:57,773 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:36:57,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [46870759] [2023-12-15 21:36:57,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:57,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:36:57,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:36:57,774 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) [2023-12-15 21:36:57,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-15 21:36:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:36:57,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 21:36:57,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:36:57,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-15 21:36:58,003 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:36:58,003 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:36:58,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:36:58,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891613796] [2023-12-15 21:36:58,003 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:36:58,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46870759] [2023-12-15 21:36:58,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46870759] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:36:58,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:36:58,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 21:36:58,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094090835] [2023-12-15 21:36:58,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:36:58,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:36:58,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:36:58,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:36:58,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:36:58,005 INFO L87 Difference]: Start difference. First operand 95 states and 133 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:58,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:36:58,049 INFO L93 Difference]: Finished difference Result 237 states and 331 transitions. [2023-12-15 21:36:58,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:36:58,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 91 [2023-12-15 21:36:58,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:36:58,051 INFO L225 Difference]: With dead ends: 237 [2023-12-15 21:36:58,051 INFO L226 Difference]: Without dead ends: 147 [2023-12-15 21:36:58,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-15 21:36:58,052 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 81 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:36:58,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 535 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:36:58,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-12-15 21:36:58,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 95. [2023-12-15 21:36:58,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.3417721518987342) internal successors, (106), 80 states have internal predecessors, (106), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-15 21:36:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 132 transitions. [2023-12-15 21:36:58,058 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 132 transitions. Word has length 91 [2023-12-15 21:36:58,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:36:58,058 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 132 transitions. [2023-12-15 21:36:58,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2023-12-15 21:36:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-15 21:36:58,059 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:36:58,059 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:36:58,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-15 21:36:58,266 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 [2023-12-15 21:36:58,266 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:36:58,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:36:58,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1582407252, now seen corresponding path program 1 times [2023-12-15 21:36:58,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:36:58,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320492416] [2023-12-15 21:36:58,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:58,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:36:58,293 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:36:58,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631792951] [2023-12-15 21:36:58,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:58,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:36:58,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:36:58,294 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) [2023-12-15 21:36:58,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-15 21:36:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:36:58,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 21:36:58,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:36:58,559 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 18 treesize of output 10 [2023-12-15 21:36:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:36:58,571 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:36:58,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:36:58,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320492416] [2023-12-15 21:36:58,571 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:36:58,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631792951] [2023-12-15 21:36:58,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631792951] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:36:58,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:36:58,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 21:36:58,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915843741] [2023-12-15 21:36:58,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:36:58,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:36:58,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:36:58,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:36:58,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:36:58,576 INFO L87 Difference]: Start difference. First operand 95 states and 132 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:58,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:36:58,625 INFO L93 Difference]: Finished difference Result 210 states and 290 transitions. [2023-12-15 21:36:58,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 21:36:58,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 92 [2023-12-15 21:36:58,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:36:58,627 INFO L225 Difference]: With dead ends: 210 [2023-12-15 21:36:58,627 INFO L226 Difference]: Without dead ends: 120 [2023-12-15 21:36:58,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-15 21:36:58,630 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 66 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:36:58,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 414 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:36:58,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-12-15 21:36:58,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 95. [2023-12-15 21:36:58,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.3291139240506329) internal successors, (105), 80 states have internal predecessors, (105), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-15 21:36:58,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2023-12-15 21:36:58,638 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 92 [2023-12-15 21:36:58,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:36:58,639 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2023-12-15 21:36:58,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2023-12-15 21:36:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-12-15 21:36:58,640 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:36:58,640 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:36:58,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-15 21:36:58,847 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 [2023-12-15 21:36:58,848 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:36:58,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:36:58,848 INFO L85 PathProgramCache]: Analyzing trace with hash -79667788, now seen corresponding path program 1 times [2023-12-15 21:36:58,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:36:58,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444292960] [2023-12-15 21:36:58,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:58,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:36:58,883 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:36:58,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1427534418] [2023-12-15 21:36:58,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:58,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:36:58,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:36:58,885 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) [2023-12-15 21:36:58,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-15 21:36:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:36:59,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-15 21:36:59,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:36:59,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-15 21:36:59,165 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 52 treesize of output 40 [2023-12-15 21:36:59,189 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-15 21:36:59,190 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:36:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:36:59,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:36:59,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444292960] [2023-12-15 21:36:59,291 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:36:59,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427534418] [2023-12-15 21:36:59,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427534418] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-15 21:36:59,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:36:59,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2023-12-15 21:36:59,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702612604] [2023-12-15 21:36:59,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:36:59,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 21:36:59,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:36:59,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 21:36:59,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-12-15 21:36:59,293 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:59,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:36:59,483 INFO L93 Difference]: Finished difference Result 270 states and 370 transitions. [2023-12-15 21:36:59,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 21:36:59,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 93 [2023-12-15 21:36:59,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:36:59,485 INFO L225 Difference]: With dead ends: 270 [2023-12-15 21:36:59,485 INFO L226 Difference]: Without dead ends: 180 [2023-12-15 21:36:59,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2023-12-15 21:36:59,486 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 163 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:36:59,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 558 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:36:59,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-12-15 21:36:59,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 169. [2023-12-15 21:36:59,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 143 states have (on average 1.3216783216783217) internal successors, (189), 145 states have internal predecessors, (189), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-15 21:36:59,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 231 transitions. [2023-12-15 21:36:59,501 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 231 transitions. Word has length 93 [2023-12-15 21:36:59,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:36:59,502 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 231 transitions. [2023-12-15 21:36:59,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:36:59,502 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 231 transitions. [2023-12-15 21:36:59,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 21:36:59,503 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:36:59,503 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:36:59,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-15 21:36:59,710 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 [2023-12-15 21:36:59,710 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:36:59,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:36:59,711 INFO L85 PathProgramCache]: Analyzing trace with hash 410782428, now seen corresponding path program 1 times [2023-12-15 21:36:59,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:36:59,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759019000] [2023-12-15 21:36:59,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:59,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:36:59,738 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:36:59,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [71327737] [2023-12-15 21:36:59,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:36:59,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:36:59,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:36:59,740 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) [2023-12-15 21:36:59,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-15 21:36:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:36:59,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 21:36:59,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:37:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:37:00,011 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:37:00,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:37:00,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759019000] [2023-12-15 21:37:00,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:37:00,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71327737] [2023-12-15 21:37:00,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71327737] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:37:00,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:37:00,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 21:37:00,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863536326] [2023-12-15 21:37:00,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:37:00,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:37:00,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:37:00,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:37:00,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:37:00,013 INFO L87 Difference]: Start difference. First operand 169 states and 231 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:37:00,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:37:00,109 INFO L93 Difference]: Finished difference Result 489 states and 662 transitions. [2023-12-15 21:37:00,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 21:37:00,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2023-12-15 21:37:00,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:37:00,112 INFO L225 Difference]: With dead ends: 489 [2023-12-15 21:37:00,112 INFO L226 Difference]: Without dead ends: 325 [2023-12-15 21:37:00,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-15 21:37:00,113 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 122 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:37:00,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 466 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:37:00,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2023-12-15 21:37:00,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 268. [2023-12-15 21:37:00,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 230 states have (on average 1.2956521739130435) internal successors, (298), 234 states have internal predecessors, (298), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-15 21:37:00,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 356 transitions. [2023-12-15 21:37:00,130 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 356 transitions. Word has length 94 [2023-12-15 21:37:00,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:37:00,130 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 356 transitions. [2023-12-15 21:37:00,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:37:00,131 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 356 transitions. [2023-12-15 21:37:00,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 21:37:00,132 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:37:00,132 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:37:00,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-15 21:37:00,332 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 [2023-12-15 21:37:00,332 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:37:00,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:37:00,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1370012444, now seen corresponding path program 1 times [2023-12-15 21:37:00,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:37:00,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198465885] [2023-12-15 21:37:00,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:37:00,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:37:00,373 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:37:00,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1569411561] [2023-12-15 21:37:00,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:37:00,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:37:00,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:37:00,376 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) [2023-12-15 21:37:00,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-15 21:37:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:37:00,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 21:37:00,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:37:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:37:00,620 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:37:00,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:37:00,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198465885] [2023-12-15 21:37:00,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:37:00,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569411561] [2023-12-15 21:37:00,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569411561] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:37:00,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:37:00,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 21:37:00,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825013570] [2023-12-15 21:37:00,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:37:00,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:37:00,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:37:00,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:37:00,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:37:00,622 INFO L87 Difference]: Start difference. First operand 268 states and 356 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:37:00,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:37:00,677 INFO L93 Difference]: Finished difference Result 576 states and 766 transitions. [2023-12-15 21:37:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:37:00,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2023-12-15 21:37:00,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:37:00,680 INFO L225 Difference]: With dead ends: 576 [2023-12-15 21:37:00,680 INFO L226 Difference]: Without dead ends: 313 [2023-12-15 21:37:00,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 21:37:00,681 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 60 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:37:00,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 474 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:37:00,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-12-15 21:37:00,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 266. [2023-12-15 21:37:00,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 228 states have (on average 1.280701754385965) internal successors, (292), 232 states have internal predecessors, (292), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-15 21:37:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 350 transitions. [2023-12-15 21:37:00,695 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 350 transitions. Word has length 94 [2023-12-15 21:37:00,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:37:00,695 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 350 transitions. [2023-12-15 21:37:00,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:37:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 350 transitions. [2023-12-15 21:37:00,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 21:37:00,696 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:37:00,696 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:37:00,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-15 21:37:00,905 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 [2023-12-15 21:37:00,905 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:37:00,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:37:00,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1583252836, now seen corresponding path program 1 times [2023-12-15 21:37:00,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:37:00,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660930186] [2023-12-15 21:37:00,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:37:00,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:37:00,927 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:37:00,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [652042488] [2023-12-15 21:37:00,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:37:00,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:37:00,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:37:00,929 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) [2023-12-15 21:37:00,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-15 21:37:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:37:01,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-15 21:37:01,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:37:01,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-15 21:37:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:37:01,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:37:01,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:37:01,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660930186] [2023-12-15 21:37:01,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:37:01,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652042488] [2023-12-15 21:37:01,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652042488] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:37:01,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:37:01,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 21:37:01,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163709278] [2023-12-15 21:37:01,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:37:01,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 21:37:01,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:37:01,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 21:37:01,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 21:37:01,196 INFO L87 Difference]: Start difference. First operand 266 states and 350 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:37:01,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:37:01,313 INFO L93 Difference]: Finished difference Result 663 states and 870 transitions. [2023-12-15 21:37:01,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-15 21:37:01,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2023-12-15 21:37:01,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:37:01,317 INFO L225 Difference]: With dead ends: 663 [2023-12-15 21:37:01,317 INFO L226 Difference]: Without dead ends: 402 [2023-12-15 21:37:01,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-12-15 21:37:01,319 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 107 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:37:01,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 693 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:37:01,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2023-12-15 21:37:01,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 274. [2023-12-15 21:37:01,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 236 states have (on average 1.2881355932203389) internal successors, (304), 240 states have internal predecessors, (304), 29 states have call successors, (29), 8 states have call predecessors, (29), 8 states have return successors, (29), 25 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-15 21:37:01,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 362 transitions. [2023-12-15 21:37:01,334 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 362 transitions. Word has length 94 [2023-12-15 21:37:01,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:37:01,335 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 362 transitions. [2023-12-15 21:37:01,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:37:01,335 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 362 transitions. [2023-12-15 21:37:01,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 21:37:01,336 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:37:01,336 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:37:01,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-15 21:37:01,542 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 [2023-12-15 21:37:01,542 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:37:01,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:37:01,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1431850782, now seen corresponding path program 1 times [2023-12-15 21:37:01,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:37:01,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058146957] [2023-12-15 21:37:01,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:37:01,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:37:01,580 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:37:01,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1092500559] [2023-12-15 21:37:01,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:37:01,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:37:01,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:37:01,581 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) [2023-12-15 21:37:01,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-15 21:37:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:37:01,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-15 21:37:01,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:37:01,830 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 40 treesize of output 28 [2023-12-15 21:37:01,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-12-15 21:37:01,852 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:37:01,853 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:37:01,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:37:01,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058146957] [2023-12-15 21:37:01,853 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:37:01,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092500559] [2023-12-15 21:37:01,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092500559] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:37:01,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:37:01,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 21:37:01,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662349835] [2023-12-15 21:37:01,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:37:01,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:37:01,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:37:01,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:37:01,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:37:01,855 INFO L87 Difference]: Start difference. First operand 274 states and 362 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:37:01,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:37:01,956 INFO L93 Difference]: Finished difference Result 662 states and 866 transitions. [2023-12-15 21:37:01,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:37:01,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2023-12-15 21:37:01,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:37:01,958 INFO L225 Difference]: With dead ends: 662 [2023-12-15 21:37:01,958 INFO L226 Difference]: Without dead ends: 393 [2023-12-15 21:37:01,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-15 21:37:01,960 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 78 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:37:01,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 487 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:37:01,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2023-12-15 21:37:01,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 258. [2023-12-15 21:37:01,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 222 states have (on average 1.2792792792792793) internal successors, (284), 225 states have internal predecessors, (284), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-15 21:37:01,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 338 transitions. [2023-12-15 21:37:01,972 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 338 transitions. Word has length 94 [2023-12-15 21:37:01,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:37:01,973 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 338 transitions. [2023-12-15 21:37:01,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:37:01,973 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 338 transitions. [2023-12-15 21:37:01,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-12-15 21:37:01,974 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:37:01,974 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:37:01,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-15 21:37:02,180 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 [2023-12-15 21:37:02,181 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:37:02,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:37:02,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1560000385, now seen corresponding path program 1 times [2023-12-15 21:37:02,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:37:02,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18597053] [2023-12-15 21:37:02,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:37:02,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:37:02,200 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:37:02,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2144408237] [2023-12-15 21:37:02,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:37:02,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:37:02,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:37:02,233 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) [2023-12-15 21:37:02,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-15 21:37:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:37:02,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-15 21:37:02,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:37:02,482 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 [2023-12-15 21:37:02,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-15 21:37:02,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2023-12-15 21:37:02,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-15 21:37:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-15 21:37:02,769 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:37:02,848 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:37:02,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:37:02,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18597053] [2023-12-15 21:37:02,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:37:02,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144408237] [2023-12-15 21:37:02,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144408237] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-15 21:37:02,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:37:02,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2023-12-15 21:37:02,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028037784] [2023-12-15 21:37:02,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:37:02,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:37:02,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:37:02,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:37:02,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-15 21:37:02,850 INFO L87 Difference]: Start difference. First operand 258 states and 338 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:37:02,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:37:02,932 INFO L93 Difference]: Finished difference Result 611 states and 806 transitions. [2023-12-15 21:37:02,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:37:02,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 94 [2023-12-15 21:37:02,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:37:02,934 INFO L225 Difference]: With dead ends: 611 [2023-12-15 21:37:02,934 INFO L226 Difference]: Without dead ends: 354 [2023-12-15 21:37:02,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-12-15 21:37:02,935 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 119 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:37:02,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 383 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:37:02,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2023-12-15 21:37:02,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 300. [2023-12-15 21:37:02,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 264 states have (on average 1.2651515151515151) internal successors, (334), 267 states have internal predecessors, (334), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-15 21:37:02,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 388 transitions. [2023-12-15 21:37:02,949 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 388 transitions. Word has length 94 [2023-12-15 21:37:02,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:37:02,949 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 388 transitions. [2023-12-15 21:37:02,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:37:02,950 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 388 transitions. [2023-12-15 21:37:02,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-15 21:37:02,951 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:37:02,951 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:37:02,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-15 21:37:03,163 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 [2023-12-15 21:37:03,163 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:37:03,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:37:03,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1875781786, now seen corresponding path program 1 times [2023-12-15 21:37:03,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:37:03,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890510854] [2023-12-15 21:37:03,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:37:03,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:37:03,188 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:37:03,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683937138] [2023-12-15 21:37:03,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:37:03,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:37:03,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:37:03,194 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) [2023-12-15 21:37:03,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-15 21:37:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:37:03,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-15 21:37:03,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:37:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-15 21:37:03,435 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:37:03,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:37:03,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890510854] [2023-12-15 21:37:03,435 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:37:03,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683937138] [2023-12-15 21:37:03,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683937138] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:37:03,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:37:03,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 21:37:03,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407159423] [2023-12-15 21:37:03,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:37:03,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 21:37:03,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:37:03,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 21:37:03,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 21:37:03,437 INFO L87 Difference]: Start difference. First operand 300 states and 388 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:37:03,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:37:03,503 INFO L93 Difference]: Finished difference Result 647 states and 843 transitions. [2023-12-15 21:37:03,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 21:37:03,504 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 95 [2023-12-15 21:37:03,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:37:03,506 INFO L225 Difference]: With dead ends: 647 [2023-12-15 21:37:03,506 INFO L226 Difference]: Without dead ends: 348 [2023-12-15 21:37:03,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-15 21:37:03,507 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 61 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:37:03,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 513 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:37:03,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2023-12-15 21:37:03,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 310. [2023-12-15 21:37:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 274 states have (on average 1.2554744525547445) internal successors, (344), 277 states have internal predecessors, (344), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 24 states have call predecessors, (27), 27 states have call successors, (27) [2023-12-15 21:37:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 398 transitions. [2023-12-15 21:37:03,522 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 398 transitions. Word has length 95 [2023-12-15 21:37:03,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:37:03,523 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 398 transitions. [2023-12-15 21:37:03,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-15 21:37:03,523 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 398 transitions. [2023-12-15 21:37:03,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-15 21:37:03,524 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:37:03,524 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:37:03,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-15 21:37:03,731 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 [2023-12-15 21:37:03,731 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:37:03,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:37:03,731 INFO L85 PathProgramCache]: Analyzing trace with hash -127056785, now seen corresponding path program 1 times [2023-12-15 21:37:03,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:37:03,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778678628] [2023-12-15 21:37:03,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:37:03,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:37:03,766 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:37:03,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [229584766] [2023-12-15 21:37:03,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:37:03,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:37:03,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:37:03,767 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) [2023-12-15 21:37:03,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-15 21:37:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 21:37:04,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-15 21:37:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 21:37:04,199 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-15 21:37:04,199 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-15 21:37:04,200 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 21:37:04,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-12-15 21:37:04,409 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 [2023-12-15 21:37:04,412 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:37:04,416 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 21:37:04,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:37:04 BoogieIcfgContainer [2023-12-15 21:37:04,566 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 21:37:04,566 INFO L158 Benchmark]: Toolchain (without parser) took 12799.65ms. Allocated memory was 332.4MB in the beginning and 482.3MB in the end (delta: 149.9MB). Free memory was 279.3MB in the beginning and 428.5MB in the end (delta: -149.2MB). Peak memory consumption was 271.3MB. Max. memory is 8.0GB. [2023-12-15 21:37:04,567 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 210.8MB. Free memory was 154.2MB in the beginning and 154.1MB in the end (delta: 164.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:37:04,567 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.11ms. Allocated memory is still 332.4MB. Free memory was 278.8MB in the beginning and 265.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-15 21:37:04,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.58ms. Allocated memory is still 332.4MB. Free memory was 265.2MB in the beginning and 262.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-15 21:37:04,570 INFO L158 Benchmark]: Boogie Preprocessor took 81.20ms. Allocated memory is still 332.4MB. Free memory was 262.0MB in the beginning and 257.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-15 21:37:04,571 INFO L158 Benchmark]: RCFGBuilder took 748.39ms. Allocated memory is still 332.4MB. Free memory was 257.3MB in the beginning and 222.2MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2023-12-15 21:37:04,572 INFO L158 Benchmark]: TraceAbstraction took 11615.63ms. Allocated memory was 332.4MB in the beginning and 482.3MB in the end (delta: 149.9MB). Free memory was 221.1MB in the beginning and 428.5MB in the end (delta: -207.4MB). Peak memory consumption was 212.5MB. Max. memory is 8.0GB. [2023-12-15 21:37:04,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 210.8MB. Free memory was 154.2MB in the beginning and 154.1MB in the end (delta: 164.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 285.11ms. Allocated memory is still 332.4MB. Free memory was 278.8MB in the beginning and 265.2MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.58ms. Allocated memory is still 332.4MB. Free memory was 265.2MB in the beginning and 262.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.20ms. Allocated memory is still 332.4MB. Free memory was 262.0MB in the beginning and 257.3MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 748.39ms. Allocated memory is still 332.4MB. Free memory was 257.3MB in the beginning and 222.2MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * TraceAbstraction took 11615.63ms. Allocated memory was 332.4MB in the beginning and 482.3MB in the end (delta: 149.9MB). Free memory was 221.1MB in the beginning and 428.5MB in the end (delta: -207.4MB). Peak memory consumption was 212.5MB. 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 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 200; [L22] signed long int var_1_1 = 200; [L23] signed long int* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_2 = 0; [L24] unsigned char var_1_2 = 0; [L25] unsigned char* var_1_2_Pointer = &(var_1_2); [L26] signed long int var_1_3 = 1107940323; [L26] signed long int var_1_3 = 1107940323; [L27] signed long int* var_1_3_Pointer = &(var_1_3); [L28] unsigned char var_1_6 = 0; [L28] unsigned char var_1_6 = 0; [L29] unsigned char* var_1_6_Pointer = &(var_1_6); [L30] signed long int var_1_7 = 4; [L30] signed long int var_1_7 = 4; [L31] signed long int* var_1_7_Pointer = &(var_1_7); [L32] signed long int var_1_8 = -32; [L32] signed long int var_1_8 = -32; [L33] signed long int* var_1_8_Pointer = &(var_1_8); [L34] unsigned char var_1_9 = 64; [L34] unsigned char var_1_9 = 64; [L35] unsigned char* var_1_9_Pointer = &(var_1_9); [L36] unsigned char var_1_12 = 4; [L36] unsigned char var_1_12 = 4; [L37] unsigned char* var_1_12_Pointer = &(var_1_12); [L38] double var_1_13 = 0.97; [L38] double var_1_13 = 0.97; [L39] double* var_1_13_Pointer = &(var_1_13); [L40] double var_1_14 = 32.6; [L40] double var_1_14 = 32.6; [L41] double* var_1_14_Pointer = &(var_1_14); [L42] signed long int last_1_var_1_7 = 4; [L43] double last_1_var_1_13 = 0.97; [L110] isInitial = 1 [L111] FCALL initially() [L112] COND TRUE 1 [L113] CALL updateLastVariables() [L102] EXPR \read(var_1_7) [L102] last_1_var_1_7 = var_1_7 [L103] EXPR \read(var_1_13) [L103] last_1_var_1_13 = var_1_13 [L113] RET updateLastVariables() [L114] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_uchar() [L84] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] EXPR \read(var_1_2) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] var_1_3 = __VERIFIER_nondet_long() [L87] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] CALL assume_abort_if_not(var_1_3 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] RET assume_abort_if_not(var_1_3 >= 1073741822) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] EXPR \read(var_1_3) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] CALL assume_abort_if_not(var_1_3 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] RET assume_abort_if_not(var_1_3 <= 2147483646) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] var_1_6 = __VERIFIER_nondet_uchar() [L90] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] var_1_8 = __VERIFIER_nondet_long() [L93] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] CALL assume_abort_if_not(var_1_8 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] RET assume_abort_if_not(var_1_8 >= -1073741823) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] CALL assume_abort_if_not(var_1_8 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] RET assume_abort_if_not(var_1_8 <= 1073741823) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] var_1_12 = __VERIFIER_nondet_uchar() [L96] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] var_1_14 = __VERIFIER_nondet_double() [L99] EXPR \read(var_1_14) [L99] EXPR var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F [L99] EXPR \read(var_1_14) [L99] EXPR var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR (var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L114] RET updateVariables() [L115] CALL step() [L47] EXPR \read(*var_1_3_Pointer) [L47] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L47] COND FALSE !(! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) [L54] EXPR \read(*var_1_12_Pointer) [L54] (*(var_1_9_Pointer)) = (*(var_1_12_Pointer)) [L56] EXPR \read(*var_1_9_Pointer) [L56] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L56] COND FALSE !((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) [L59] EXPR \read(*var_1_9_Pointer) [L59] EXPR \read(*var_1_3_Pointer) [L59] (*(var_1_7_Pointer)) = ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))) [L61] EXPR \read(*var_1_9_Pointer) [L61] EXPR \read(*var_1_3_Pointer) [L61] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L61] COND FALSE !(((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) [L72] EXPR \read(*var_1_14_Pointer) [L72] (*(var_1_13_Pointer)) = (*(var_1_14_Pointer)) [L74] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L74] COND TRUE (*(var_1_2_Pointer)) [L75] EXPR \read(*var_1_3_Pointer) [L75] EXPR \read(*var_1_9_Pointer) [L75] EXPR \read(*var_1_9_Pointer) [L75] (*(var_1_1_Pointer)) = (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))) [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1) [L106] EXPR \read(*var_1_1_Pointer) [L106] EXPR \read(*var_1_3_Pointer) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR (*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer)))))) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))) [L106] EXPR \read(*var_1_7_Pointer) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_3_Pointer) [L106] EXPR ((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer)))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) [L106] EXPR \read(*var_1_3_Pointer) [L106] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_12_Pointer) [L106] EXPR (! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) [L106] EXPR \read(*var_1_9_Pointer) [L106] EXPR \read(*var_1_3_Pointer) [L106] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR (((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer)))) [L106] EXPR \read(*var_1_13_Pointer) [L106] EXPR \read(*var_1_14_Pointer) [L106] EXPR (((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer)))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) VAL [isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106-L107] return ((((*(var_1_2_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed long int) (((*(var_1_3_Pointer)) - (*(var_1_9_Pointer))) - (*(var_1_9_Pointer))))) : (((*(var_1_6_Pointer)) && ((*(var_1_3_Pointer)) < (*(var_1_9_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : 1)) && (((*(var_1_9_Pointer)) < (*(var_1_9_Pointer))) ? ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) + (*(var_1_9_Pointer))))) : ((*(var_1_7_Pointer)) == ((signed long int) ((*(var_1_9_Pointer)) - (*(var_1_3_Pointer))))))) && ((! ((*(var_1_3_Pointer)) < ((*(var_1_8_Pointer)) * last_1_var_1_7))) ? ((((((last_1_var_1_13) < 0 ) ? -(last_1_var_1_13) : (last_1_var_1_13))) < last_1_var_1_13) ? ((*(var_1_6_Pointer)) ? ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) : 1) : 1) : ((*(var_1_9_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((((*(var_1_9_Pointer)) + (*(var_1_3_Pointer))) < (*(var_1_9_Pointer))) ? (((*(var_1_2_Pointer)) && (*(var_1_6_Pointer))) ? ((*(var_1_6_Pointer)) ? ((*(var_1_13_Pointer)) == ((double) 0.8)) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) : ((*(var_1_13_Pointer)) == ((double) (*(var_1_14_Pointer))))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=97/100, last_1_var_1_7=4, var_1_12={11:0}, var_1_12_Pointer={11:0}, var_1_13={12:0}, var_1_13_Pointer={12:0}, var_1_14={13:0}, var_1_14_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 17, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1158 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1157 mSDsluCounter, 6518 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4465 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 847 IncrementalHoareTripleChecker+Invalid, 874 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 2053 mSDtfsCounter, 847 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1845 GetRequests, 1761 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=16, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 680 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1654 NumberOfCodeBlocks, 1654 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1817 ConstructedInterpolants, 0 QuantifiedInterpolants, 3729 SizeOfPredicates, 110 NumberOfNonLiveVariables, 7072 ConjunctsInSsa, 161 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 4190/4400 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 [2023-12-15 21:37:04,605 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...