/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_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 15:28:24,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 15:28:24,197 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 15:28:24,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 15:28:24,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 15:28:24,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 15:28:24,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 15:28:24,229 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 15:28:24,229 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 15:28:24,233 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 15:28:24,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 15:28:24,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 15:28:24,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 15:28:24,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 15:28:24,236 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 15:28:24,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 15:28:24,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 15:28:24,237 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 15:28:24,237 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 15:28:24,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 15:28:24,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 15:28:24,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 15:28:24,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 15:28:24,238 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 15:28:24,238 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 15:28:24,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 15:28:24,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 15:28:24,240 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 15:28:24,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 15:28:24,240 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 15:28:24,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 15:28:24,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 15:28:24,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 15:28:24,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 15:28:24,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 15:28:24,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 15:28:24,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 15:28:24,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 15:28:24,243 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 15:28:24,243 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 15:28:24,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 15:28:24,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 15:28:24,244 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 15:28:24,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 15:28:24,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 15:28:24,244 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 15:28:24,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 15:28:24,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 15:28:24,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 15:28:24,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 15:28:24,492 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 15:28:24,492 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 15:28:24,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i [2023-12-16 15:28:25,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 15:28:25,904 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 15:28:25,905 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i [2023-12-16 15:28:25,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fab6db10/2cde605b81934eecb85c87f844a98874/FLAGe21b2b10b [2023-12-16 15:28:25,931 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fab6db10/2cde605b81934eecb85c87f844a98874 [2023-12-16 15:28:25,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 15:28:25,934 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 15:28:25,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 15:28:25,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 15:28:25,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 15:28:25,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:28:25" (1/1) ... [2023-12-16 15:28:25,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37ca9800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:25, skipping insertion in model container [2023-12-16 15:28:25,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:28:25" (1/1) ... [2023-12-16 15:28:25,973 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 15:28:26,127 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i[916,929] [2023-12-16 15:28:26,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 15:28:26,237 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 15:28:26,253 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-35.i[916,929] [2023-12-16 15:28:26,295 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 15:28:26,313 INFO L206 MainTranslator]: Completed translation [2023-12-16 15:28:26,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26 WrapperNode [2023-12-16 15:28:26,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 15:28:26,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 15:28:26,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 15:28:26,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 15:28:26,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (1/1) ... [2023-12-16 15:28:26,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (1/1) ... [2023-12-16 15:28:26,385 INFO L138 Inliner]: procedures = 33, calls = 152, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 416 [2023-12-16 15:28:26,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 15:28:26,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 15:28:26,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 15:28:26,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 15:28:26,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (1/1) ... [2023-12-16 15:28:26,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (1/1) ... [2023-12-16 15:28:26,422 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (1/1) ... [2023-12-16 15:28:26,446 INFO L175 MemorySlicer]: Split 118 memory accesses to 6 slices as follows [2, 31, 25, 33, 7, 20]. 28 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 4, 3, 4, 1, 3]. The 19 writes are split as follows [0, 5, 3, 4, 3, 4]. [2023-12-16 15:28:26,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (1/1) ... [2023-12-16 15:28:26,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (1/1) ... [2023-12-16 15:28:26,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (1/1) ... [2023-12-16 15:28:26,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (1/1) ... [2023-12-16 15:28:26,502 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (1/1) ... [2023-12-16 15:28:26,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (1/1) ... [2023-12-16 15:28:26,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 15:28:26,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 15:28:26,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 15:28:26,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 15:28:26,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (1/1) ... [2023-12-16 15:28:26,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 15:28:26,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 15:28:26,547 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) [2023-12-16 15:28:26,565 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 [2023-12-16 15:28:26,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 15:28:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-12-16 15:28:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-12-16 15:28:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-12-16 15:28:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-12-16 15:28:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-12-16 15:28:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-12-16 15:28:26,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-12-16 15:28:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-12-16 15:28:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-12-16 15:28:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-12-16 15:28:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-12-16 15:28:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-12-16 15:28:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 15:28:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-16 15:28:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-16 15:28:26,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-12-16 15:28:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-12-16 15:28:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-12-16 15:28:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-12-16 15:28:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-12-16 15:28:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-12-16 15:28:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-12-16 15:28:26,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-12-16 15:28:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-12-16 15:28:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-12-16 15:28:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-12-16 15:28:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-12-16 15:28:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-12-16 15:28:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-12-16 15:28:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-12-16 15:28:26,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-12-16 15:28:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-12-16 15:28:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-12-16 15:28:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-12-16 15:28:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-12-16 15:28:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-12-16 15:28:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-12-16 15:28:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-12-16 15:28:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-12-16 15:28:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-12-16 15:28:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-12-16 15:28:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-12-16 15:28:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 15:28:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 15:28:26,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 15:28:26,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 15:28:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-12-16 15:28:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-12-16 15:28:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-12-16 15:28:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-12-16 15:28:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-12-16 15:28:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-12-16 15:28:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-12-16 15:28:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-12-16 15:28:26,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-12-16 15:28:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-12-16 15:28:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-12-16 15:28:26,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-12-16 15:28:26,748 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 15:28:26,750 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 15:28:27,891 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 15:28:27,924 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 15:28:27,924 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 15:28:27,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:28:27 BoogieIcfgContainer [2023-12-16 15:28:27,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 15:28:27,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 15:28:27,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 15:28:27,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 15:28:27,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:28:25" (1/3) ... [2023-12-16 15:28:27,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2811d189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:28:27, skipping insertion in model container [2023-12-16 15:28:27,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:28:26" (2/3) ... [2023-12-16 15:28:27,930 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2811d189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:28:27, skipping insertion in model container [2023-12-16 15:28:27,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:28:27" (3/3) ... [2023-12-16 15:28:27,931 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-35.i [2023-12-16 15:28:27,946 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 15:28:27,946 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 15:28:27,994 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 15:28:28,000 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;@6536c0fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 15:28:28,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 15:28:28,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 74 states have internal predecessors, (103), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-16 15:28:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-16 15:28:28,020 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:28:28,021 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:28:28,022 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:28:28,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:28:28,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1472631863, now seen corresponding path program 1 times [2023-12-16 15:28:28,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:28:28,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065754137] [2023-12-16 15:28:28,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:28:28,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:28:28,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:28:28,052 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:28:28,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 15:28:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:28:28,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 15:28:28,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:28:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-12-16 15:28:28,547 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 15:28:28,547 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:28:28,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065754137] [2023-12-16 15:28:28,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2065754137] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 15:28:28,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 15:28:28,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 15:28:28,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199104550] [2023-12-16 15:28:28,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 15:28:28,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 15:28:28,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:28:28,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 15:28:28,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 15:28:28,579 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 74 states have internal predecessors, (103), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 15:28:28,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:28:28,622 INFO L93 Difference]: Finished difference Result 185 states and 294 transitions. [2023-12-16 15:28:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 15:28:28,625 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 138 [2023-12-16 15:28:28,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:28:28,631 INFO L225 Difference]: With dead ends: 185 [2023-12-16 15:28:28,631 INFO L226 Difference]: Without dead ends: 92 [2023-12-16 15:28:28,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 15:28:28,643 INFO L413 NwaCegarLoop]: 129 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, 129 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 [2023-12-16 15:28:28,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 15:28:28,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-12-16 15:28:28,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-12-16 15:28:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 72 states have internal predecessors, (97), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-16 15:28:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2023-12-16 15:28:28,679 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 138 [2023-12-16 15:28:28,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:28:28,680 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2023-12-16 15:28:28,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-16 15:28:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2023-12-16 15:28:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-16 15:28:28,683 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:28:28,683 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:28:28,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-16 15:28:28,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:28:28,894 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:28:28,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:28:28,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1971331881, now seen corresponding path program 1 times [2023-12-16 15:28:28,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:28:28,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1082634492] [2023-12-16 15:28:28,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:28:28,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:28:28,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:28:28,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:28:28,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 15:28:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:28:29,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-16 15:28:29,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:28:29,465 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 14 treesize of output 10 [2023-12-16 15:28:29,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2023-12-16 15:28:31,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 59 [2023-12-16 15:28:31,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 15:28:31,650 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 15:28:31,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 87 [2023-12-16 15:28:31,824 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 15:28:31,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 17 [2023-12-16 15:28:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 201 proven. 42 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2023-12-16 15:28:31,863 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 15:28:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-16 15:28:32,499 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:28:32,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1082634492] [2023-12-16 15:28:32,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1082634492] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 15:28:32,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 15:28:32,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2023-12-16 15:28:32,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723416760] [2023-12-16 15:28:32,500 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 15:28:32,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-16 15:28:32,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 15:28:32,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-16 15:28:32,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2023-12-16 15:28:32,503 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand has 16 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 6 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 6 states have call successors, (34) [2023-12-16 15:28:35,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 15:28:35,886 INFO L93 Difference]: Finished difference Result 296 states and 416 transitions. [2023-12-16 15:28:35,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-16 15:28:35,887 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 6 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 6 states have call successors, (34) Word has length 138 [2023-12-16 15:28:35,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 15:28:35,890 INFO L225 Difference]: With dead ends: 296 [2023-12-16 15:28:35,890 INFO L226 Difference]: Without dead ends: 205 [2023-12-16 15:28:35,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=303, Invalid=887, Unknown=0, NotChecked=0, Total=1190 [2023-12-16 15:28:35,892 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 200 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-16 15:28:35,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 823 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-16 15:28:35,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2023-12-16 15:28:35,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 187. [2023-12-16 15:28:35,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 145 states have (on average 1.3172413793103448) internal successors, (191), 146 states have internal predecessors, (191), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2023-12-16 15:28:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 263 transitions. [2023-12-16 15:28:35,923 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 263 transitions. Word has length 138 [2023-12-16 15:28:35,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 15:28:35,923 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 263 transitions. [2023-12-16 15:28:35,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 6 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (34), 5 states have call predecessors, (34), 6 states have call successors, (34) [2023-12-16 15:28:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 263 transitions. [2023-12-16 15:28:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-16 15:28:35,925 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 15:28:35,926 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 15:28:35,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 15:28:36,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:28:36,142 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 15:28:36,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 15:28:36,142 INFO L85 PathProgramCache]: Analyzing trace with hash 329490709, now seen corresponding path program 1 times [2023-12-16 15:28:36,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 15:28:36,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [934306058] [2023-12-16 15:28:36,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:28:36,143 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 15:28:36,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 15:28:36,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 15:28:36,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 15:28:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:28:36,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-16 15:28:36,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:28:37,156 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 8 treesize of output 1 [2023-12-16 15:28:37,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2023-12-16 15:28:42,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 15:28:42,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 200 treesize of output 107 [2023-12-16 15:28:44,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15 [2023-12-16 15:28:44,625 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 15:28:44,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 335 treesize of output 131 [2023-12-16 15:28:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 292 proven. 72 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-12-16 15:28:49,090 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 15:29:09,620 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int#2| |c_~#float_Array_0~0.base|))) (let ((.cse3 (let ((.cse6 (select .cse5 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)))) (.cse2 (let ((.cse4 (select .cse5 |c_~#float_Array_0~0.offset|))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))))) (let ((.cse0 (fp.add c_currentRoundingMode .cse3 .cse2))) (and (or (forall ((|v_skolemized_q#valueAsBitvector_21| (_ BitVec 32))) (not (= .cse0 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_21|))))) (not (= ((_ extract 7 0) (select (select |c_#memory_int#1| |c_~#BOOL_unsigned_char_Array_0~0.base|) (bvadd |c_~#BOOL_unsigned_char_Array_0~0.offset| (_ bv1 32)))) (_ bv0 8)))) (forall ((|v_skolemized_q#valueAsBitvector_21| (_ BitVec 32))) (let ((.cse1 (fp ((_ extract 31 31) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 30 23) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 22 0) |v_skolemized_q#valueAsBitvector_21|)))) (or (fp.geq (fp.mul c_currentRoundingMode .cse1 .cse2) .cse3) (not (= .cse0 .cse1))))))))) is different from false [2023-12-16 15:29:19,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 15:29:19,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [934306058] [2023-12-16 15:29:19,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [934306058] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 15:29:19,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1729248303] [2023-12-16 15:29:19,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 15:29:19,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 15:29:19,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 15:29:20,029 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 15:29:20,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-16 15:29:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 15:29:21,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-16 15:29:21,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 15:29:33,854 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 Received shutdown request... [2023-12-16 15:29:35,625 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 15:29:35,646 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 15:29:35,668 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 15:29:35,870 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 15:29:35,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-16 15:29:36,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-16 15:29:36,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-16 15:29:36,271 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 139 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. [2023-12-16 15:29:36,274 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-16 15:29:36,276 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 15:29:36,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:29:36 BoogieIcfgContainer [2023-12-16 15:29:36,278 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 15:29:36,279 INFO L158 Benchmark]: Toolchain (without parser) took 70344.21ms. Allocated memory was 202.4MB in the beginning and 249.6MB in the end (delta: 47.2MB). Free memory was 159.0MB in the beginning and 148.8MB in the end (delta: 10.2MB). Peak memory consumption was 58.4MB. Max. memory is 8.0GB. [2023-12-16 15:29:36,279 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 202.4MB. Free memory was 157.5MB in the beginning and 157.4MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 15:29:36,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.04ms. Allocated memory is still 202.4MB. Free memory was 158.6MB in the beginning and 142.3MB in the end (delta: 16.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-16 15:29:36,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.61ms. Allocated memory is still 202.4MB. Free memory was 142.3MB in the beginning and 138.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 15:29:36,280 INFO L158 Benchmark]: Boogie Preprocessor took 125.61ms. Allocated memory is still 202.4MB. Free memory was 138.7MB in the beginning and 133.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 15:29:36,281 INFO L158 Benchmark]: RCFGBuilder took 1412.55ms. Allocated memory is still 202.4MB. Free memory was 133.5MB in the beginning and 154.1MB in the end (delta: -20.6MB). Peak memory consumption was 25.8MB. Max. memory is 8.0GB. [2023-12-16 15:29:36,281 INFO L158 Benchmark]: TraceAbstraction took 68352.21ms. Allocated memory was 202.4MB in the beginning and 249.6MB in the end (delta: 47.2MB). Free memory was 153.6MB in the beginning and 148.8MB in the end (delta: 4.8MB). Peak memory consumption was 51.5MB. Max. memory is 8.0GB. [2023-12-16 15:29:36,283 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 202.4MB. Free memory was 157.5MB in the beginning and 157.4MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 377.04ms. Allocated memory is still 202.4MB. Free memory was 158.6MB in the beginning and 142.3MB in the end (delta: 16.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.61ms. Allocated memory is still 202.4MB. Free memory was 142.3MB in the beginning and 138.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 125.61ms. Allocated memory is still 202.4MB. Free memory was 138.7MB in the beginning and 133.5MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1412.55ms. Allocated memory is still 202.4MB. Free memory was 133.5MB in the beginning and 154.1MB in the end (delta: -20.6MB). Peak memory consumption was 25.8MB. Max. memory is 8.0GB. * TraceAbstraction took 68352.21ms. Allocated memory was 202.4MB in the beginning and 249.6MB in the end (delta: 47.2MB). Free memory was 153.6MB in the beginning and 148.8MB in the end (delta: 4.8MB). Peak memory consumption was 51.5MB. 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 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 139 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 29 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 68.3s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 200 mSDsluCounter, 952 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 700 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 512 IncrementalHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 252 mSDtfsCounter, 512 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 431 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=2, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 18 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 411 ConstructedInterpolants, 108 QuantifiedInterpolants, 3799 SizeOfPredicates, 5 NumberOfNonLiveVariables, 566 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1752/1836 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: Timeout Completed graceful shutdown