/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-p_file-48.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 15:48:33,212 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-12-16 15:48:33,296 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 15:48:33,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 15:48:33,303 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 15:48:33,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 15:48:33,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 15:48:33,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 15:48:33,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 15:48:33,336 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-12-16 15:48:33,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 15:48:33,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 15:48:33,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 15:48:33,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-12-16 15:48:33,339 INFO L153 SettingsManager]: * Use SBE=true
[2023-12-16 15:48:33,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 15:48:33,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-12-16 15:48:33,340 INFO L153 SettingsManager]: * sizeof long=4
[2023-12-16 15:48:33,340 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-12-16 15:48:33,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-12-16 15:48:33,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 15:48:33,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 15:48:33,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 15:48:33,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-12-16 15:48:33,342 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-12-16 15:48:33,342 INFO L153 SettingsManager]: * Allow undefined functions=false
[2023-12-16 15:48:33,343 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-16 15:48:33,343 INFO L153 SettingsManager]: * sizeof long double=12
[2023-12-16 15:48:33,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-12-16 15:48:33,343 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-12-16 15:48:33,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 15:48:33,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-12-16 15:48:33,344 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 15:48:33,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-12-16 15:48:33,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 15:48:33,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 15:48:33,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 15:48:33,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 15:48:33,345 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2023-12-16 15:48:33,345 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-16 15:48:33,345 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 15:48:33,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 15:48:33,346 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 15:48:33,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 15:48:33,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 15:48:33,347 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2023-12-16 15:48:33,347 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-16 15:48:33,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 15:48:33,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 15:48:33,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 15:48:33,568 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-12-16 15:48:33,568 INFO L274 PluginConnector]: CDTParser initialized
[2023-12-16 15:48:33,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-48.i
[2023-12-16 15:48:34,772 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-12-16 15:48:34,973 INFO L384 CDTParser]: Found 1 translation units.
[2023-12-16 15:48:34,973 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-48.i
[2023-12-16 15:48:34,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a1319232/9c4e9111b4434496bdba3f1ed5d12dd5/FLAGd3ec1b0ea
[2023-12-16 15:48:34,996 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a1319232/9c4e9111b4434496bdba3f1ed5d12dd5
[2023-12-16 15:48:34,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 15:48:35,000 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 15:48:35,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 15:48:35,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 15:48:35,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 15:48:35,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:48:34" (1/1) ...
[2023-12-16 15:48:35,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@293d0f80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35, skipping insertion in model container
[2023-12-16 15:48:35,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:48:34" (1/1) ...
[2023-12-16 15:48:35,041 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-12-16 15:48:35,173 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-48.i[916,929]
[2023-12-16 15:48:35,220 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-12-16 15:48:35,248 INFO L202 MainTranslator]: Completed pre-run
[2023-12-16 15:48:35,274 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-48.i[916,929]
[2023-12-16 15:48:35,319 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-12-16 15:48:35,340 INFO L206 MainTranslator]: Completed translation
[2023-12-16 15:48:35,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35 WrapperNode
[2023-12-16 15:48:35,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 15:48:35,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 15:48:35,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 15:48:35,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 15:48:35,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (1/1) ...
[2023-12-16 15:48:35,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (1/1) ...
[2023-12-16 15:48:35,398 INFO L138 Inliner]: procedures = 33, calls = 194, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 550
[2023-12-16 15:48:35,398 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 15:48:35,399 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 15:48:35,399 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 15:48:35,399 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 15:48:35,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (1/1) ...
[2023-12-16 15:48:35,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (1/1) ...
[2023-12-16 15:48:35,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (1/1) ...
[2023-12-16 15:48:35,443 INFO L175 MemorySlicer]: Split 143 memory accesses to 20 slices as follows [2, 7, 8, 10, 8, 8, 12, 6, 8, 10, 6, 10, 8, 7, 8, 6, 8, 3, 5, 3]. 8 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 23 writes are split as follows [0, 3, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1].
[2023-12-16 15:48:35,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (1/1) ...
[2023-12-16 15:48:35,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (1/1) ...
[2023-12-16 15:48:35,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (1/1) ...
[2023-12-16 15:48:35,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (1/1) ...
[2023-12-16 15:48:35,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (1/1) ...
[2023-12-16 15:48:35,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (1/1) ...
[2023-12-16 15:48:35,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 15:48:35,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 15:48:35,495 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 15:48:35,495 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-12-16 15:48:35,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (1/1) ...
[2023-12-16 15:48:35,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 15:48:35,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 15:48:35,535 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 15:48:35,554 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 15:48:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 15:48:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0
[2023-12-16 15:48:35,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1
[2023-12-16 15:48:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2
[2023-12-16 15:48:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3
[2023-12-16 15:48:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4
[2023-12-16 15:48:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5
[2023-12-16 15:48:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6
[2023-12-16 15:48:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7
[2023-12-16 15:48:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8
[2023-12-16 15:48:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9
[2023-12-16 15:48:35,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10
[2023-12-16 15:48:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11
[2023-12-16 15:48:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12
[2023-12-16 15:48:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13
[2023-12-16 15:48:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14
[2023-12-16 15:48:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15
[2023-12-16 15:48:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#16
[2023-12-16 15:48:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#17
[2023-12-16 15:48:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#18
[2023-12-16 15:48:35,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#19
[2023-12-16 15:48:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-16 15:48:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2023-12-16 15:48:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2023-12-16 15:48:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2023-12-16 15:48:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2023-12-16 15:48:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2023-12-16 15:48:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2023-12-16 15:48:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2023-12-16 15:48:35,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2023-12-16 15:48:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2023-12-16 15:48:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10
[2023-12-16 15:48:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11
[2023-12-16 15:48:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12
[2023-12-16 15:48:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13
[2023-12-16 15:48:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14
[2023-12-16 15:48:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15
[2023-12-16 15:48:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16
[2023-12-16 15:48:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17
[2023-12-16 15:48:35,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18
[2023-12-16 15:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19
[2023-12-16 15:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0
[2023-12-16 15:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1
[2023-12-16 15:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2
[2023-12-16 15:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3
[2023-12-16 15:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4
[2023-12-16 15:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5
[2023-12-16 15:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6
[2023-12-16 15:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7
[2023-12-16 15:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8
[2023-12-16 15:48:35,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9
[2023-12-16 15:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10
[2023-12-16 15:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11
[2023-12-16 15:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12
[2023-12-16 15:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13
[2023-12-16 15:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14
[2023-12-16 15:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15
[2023-12-16 15:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16
[2023-12-16 15:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#17
[2023-12-16 15:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#18
[2023-12-16 15:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#19
[2023-12-16 15:48:35,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2023-12-16 15:48:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2023-12-16 15:48:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2023-12-16 15:48:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2023-12-16 15:48:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2023-12-16 15:48:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2023-12-16 15:48:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2023-12-16 15:48:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7
[2023-12-16 15:48:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8
[2023-12-16 15:48:35,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9
[2023-12-16 15:48:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10
[2023-12-16 15:48:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11
[2023-12-16 15:48:35,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12
[2023-12-16 15:48:35,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13
[2023-12-16 15:48:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14
[2023-12-16 15:48:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15
[2023-12-16 15:48:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16
[2023-12-16 15:48:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#17
[2023-12-16 15:48:35,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#18
[2023-12-16 15:48:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#19
[2023-12-16 15:48:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2023-12-16 15:48:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2023-12-16 15:48:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2023-12-16 15:48:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2023-12-16 15:48:35,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2023-12-16 15:48:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2023-12-16 15:48:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2023-12-16 15:48:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2023-12-16 15:48:35,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2023-12-16 15:48:35,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16
[2023-12-16 15:48:35,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#17
[2023-12-16 15:48:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#18
[2023-12-16 15:48:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#19
[2023-12-16 15:48:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0
[2023-12-16 15:48:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1
[2023-12-16 15:48:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2
[2023-12-16 15:48:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3
[2023-12-16 15:48:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4
[2023-12-16 15:48:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5
[2023-12-16 15:48:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6
[2023-12-16 15:48:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7
[2023-12-16 15:48:35,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8
[2023-12-16 15:48:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9
[2023-12-16 15:48:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10
[2023-12-16 15:48:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11
[2023-12-16 15:48:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12
[2023-12-16 15:48:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13
[2023-12-16 15:48:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14
[2023-12-16 15:48:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15
[2023-12-16 15:48:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#16
[2023-12-16 15:48:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#17
[2023-12-16 15:48:35,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#18
[2023-12-16 15:48:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#19
[2023-12-16 15:48:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-16 15:48:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-16 15:48:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 15:48:35,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 15:48:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0
[2023-12-16 15:48:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1
[2023-12-16 15:48:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2
[2023-12-16 15:48:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3
[2023-12-16 15:48:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4
[2023-12-16 15:48:35,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5
[2023-12-16 15:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6
[2023-12-16 15:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7
[2023-12-16 15:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8
[2023-12-16 15:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9
[2023-12-16 15:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10
[2023-12-16 15:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11
[2023-12-16 15:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12
[2023-12-16 15:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13
[2023-12-16 15:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14
[2023-12-16 15:48:35,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15
[2023-12-16 15:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16
[2023-12-16 15:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#17
[2023-12-16 15:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#18
[2023-12-16 15:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#19
[2023-12-16 15:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2023-12-16 15:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2023-12-16 15:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2023-12-16 15:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2023-12-16 15:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2023-12-16 15:48:35,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2023-12-16 15:48:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6
[2023-12-16 15:48:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7
[2023-12-16 15:48:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8
[2023-12-16 15:48:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9
[2023-12-16 15:48:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10
[2023-12-16 15:48:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11
[2023-12-16 15:48:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12
[2023-12-16 15:48:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13
[2023-12-16 15:48:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14
[2023-12-16 15:48:35,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15
[2023-12-16 15:48:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16
[2023-12-16 15:48:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17
[2023-12-16 15:48:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18
[2023-12-16 15:48:35,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19
[2023-12-16 15:48:35,858 INFO L241 CfgBuilder]: Building ICFG
[2023-12-16 15:48:35,860 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 15:48:37,289 INFO L282 CfgBuilder]: Performing block encoding
[2023-12-16 15:48:37,341 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 15:48:37,341 INFO L309 CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-16 15:48:37,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:48:37 BoogieIcfgContainer
[2023-12-16 15:48:37,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 15:48:37,344 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 15:48:37,344 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 15:48:37,347 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-12-16 15:48:37,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:48:34" (1/3) ...
[2023-12-16 15:48:37,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2042f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:48:37, skipping insertion in model container
[2023-12-16 15:48:37,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:48:35" (2/3) ...
[2023-12-16 15:48:37,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a2042f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:48:37, skipping insertion in model container
[2023-12-16 15:48:37,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:48:37" (3/3) ...
[2023-12-16 15:48:37,349 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-48.i
[2023-12-16 15:48:37,365 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 15:48:37,365 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 15:48:37,415 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 15:48:37,422 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;@66559eba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 15:48:37,422 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 15:48:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 88 states have internal predecessors, (124), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2023-12-16 15:48:37,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2023-12-16 15:48:37,459 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:48:37,460 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:37,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:48:37,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:48:37,465 INFO L85 PathProgramCache]: Analyzing trace with hash 281341184, now seen corresponding path program 1 times
[2023-12-16 15:48:37,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:48:37,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1552127536]
[2023-12-16 15:48:37,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:48:37,478 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 15:48:37,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:48:37,486 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 15:48:37,493 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 15:48:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:48:38,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-16 15:48:38,021 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:48:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked.
[2023-12-16 15:48:38,088 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 15:48:38,088 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:48:38,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1552127536]
[2023-12-16 15:48:38,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1552127536] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 15:48:38,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 15:48:38,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 15:48:38,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930638700]
[2023-12-16 15:48:38,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:48:38,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 15:48:38,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:48:38,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 15:48:38,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 15:48:38,133 INFO L87 Difference]: Start difference. First operand has 111 states, 87 states have (on average 1.4252873563218391) internal successors, (124), 88 states have internal predecessors, (124), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2023-12-16 15:48:38,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:48:38,208 INFO L93 Difference]: Finished difference Result 219 states and 351 transitions.
[2023-12-16 15:48:38,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-12-16 15:48:38,211 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 163
[2023-12-16 15:48:38,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:48:38,220 INFO L225 Difference]: With dead ends: 219
[2023-12-16 15:48:38,220 INFO L226 Difference]: Without dead ends: 109
[2023-12-16 15:48:38,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 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 15:48:38,227 INFO L413 NwaCegarLoop]: 155 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, 155 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 15:48:38,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 15:48:38,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2023-12-16 15:48:38,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109.
[2023-12-16 15:48:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 86 states have internal predecessors, (117), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2023-12-16 15:48:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions.
[2023-12-16 15:48:38,284 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 163
[2023-12-16 15:48:38,285 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:48:38,285 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions.
[2023-12-16 15:48:38,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2023-12-16 15:48:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions.
[2023-12-16 15:48:38,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2023-12-16 15:48:38,288 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:48:38,289 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:38,304 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 15:48:38,498 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 15:48:38,499 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:48:38,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:48:38,500 INFO L85 PathProgramCache]: Analyzing trace with hash -936564962, now seen corresponding path program 1 times
[2023-12-16 15:48:38,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:48:38,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972849108]
[2023-12-16 15:48:38,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:48:38,501 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 15:48:38,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:48:38,503 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 15:48:38,505 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 15:48:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:48:38,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-12-16 15:48:39,001 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:48:39,958 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 51 treesize of output 38
[2023-12-16 15:48:39,964 INFO L190 IndexEqualityManager]: detected not equals via solver
[2023-12-16 15:48:39,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 51
[2023-12-16 15:48:39,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28
[2023-12-16 15:48:40,036 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
[2023-12-16 15:48:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2023-12-16 15:48:40,056 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:48:40,108 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 36
[2023-12-16 15:48:40,112 INFO L173 IndexEqualityManager]: detected equality via solver
[2023-12-16 15:48:40,124 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-12-16 15:48:40,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 52
[2023-12-16 15:48:40,312 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size
[2023-12-16 15:48:40,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19
[2023-12-16 15:48:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked.
[2023-12-16 15:48:40,635 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:48:40,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972849108]
[2023-12-16 15:48:40,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972849108] provided 1 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:48:40,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-12-16 15:48:40,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 14
[2023-12-16 15:48:40,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535918346]
[2023-12-16 15:48:40,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:48:40,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-12-16 15:48:40,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:48:40,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-12-16 15:48:40,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182
[2023-12-16 15:48:40,638 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2023-12-16 15:48:41,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:48:41,308 INFO L93 Difference]: Finished difference Result 337 states and 485 transitions.
[2023-12-16 15:48:41,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2023-12-16 15:48:41,308 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 163
[2023-12-16 15:48:41,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:48:41,311 INFO L225 Difference]: With dead ends: 337
[2023-12-16 15:48:41,311 INFO L226 Difference]: Without dead ends: 229
[2023-12-16 15:48:41,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 314 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552
[2023-12-16 15:48:41,313 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 623 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2023-12-16 15:48:41,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 500 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2023-12-16 15:48:41,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states.
[2023-12-16 15:48:41,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 115.
[2023-12-16 15:48:41,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 91 states have internal predecessors, (122), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2023-12-16 15:48:41,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions.
[2023-12-16 15:48:41,333 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 163
[2023-12-16 15:48:41,334 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:48:41,334 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions.
[2023-12-16 15:48:41,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 2 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2023-12-16 15:48:41,334 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions.
[2023-12-16 15:48:41,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2023-12-16 15:48:41,337 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:48:41,338 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:41,351 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 15:48:41,548 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 15:48:41,549 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:48:41,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:48:41,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1364257628, now seen corresponding path program 1 times
[2023-12-16 15:48:41,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:48:41,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22059812]
[2023-12-16 15:48:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:48:41,550 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 15:48:41,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:48:41,551 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 15:48:41,586 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 15:48:41,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:48:41,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-12-16 15:48:41,984 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:48:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2023-12-16 15:48:42,012 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 15:48:42,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:48:42,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22059812]
[2023-12-16 15:48:42,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22059812] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 15:48:42,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 15:48:42,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 15:48:42,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726307603]
[2023-12-16 15:48:42,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:48:42,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 15:48:42,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:48:42,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 15:48:42,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-16 15:48:42,014 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:48:42,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:48:42,095 INFO L93 Difference]: Finished difference Result 250 states and 357 transitions.
[2023-12-16 15:48:42,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-12-16 15:48:42,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163
[2023-12-16 15:48:42,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:48:42,097 INFO L225 Difference]: With dead ends: 250
[2023-12-16 15:48:42,098 INFO L226 Difference]: Without dead ends: 136
[2023-12-16 15:48:42,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-16 15:48:42,100 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 46 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 15:48:42,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 598 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 15:48:42,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states.
[2023-12-16 15:48:42,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 119.
[2023-12-16 15:48:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 95 states have internal predecessors, (126), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2023-12-16 15:48:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions.
[2023-12-16 15:48:42,122 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 163
[2023-12-16 15:48:42,124 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:48:42,124 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions.
[2023-12-16 15:48:42,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:48:42,124 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions.
[2023-12-16 15:48:42,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2023-12-16 15:48:42,131 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:48:42,131 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:42,148 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 (4)] Forceful destruction successful, exit code 0
[2023-12-16 15:48:42,348 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
[2023-12-16 15:48:42,348 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:48:42,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:48:42,349 INFO L85 PathProgramCache]: Analyzing trace with hash 554911002, now seen corresponding path program 1 times
[2023-12-16 15:48:42,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:48:42,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759045767]
[2023-12-16 15:48:42,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:48:42,350 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 15:48:42,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:48:42,351 INFO L229 MonitoredProcess]: Starting monitored process 5 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 15:48:42,368 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 (5)] Waiting until timeout for monitored process
[2023-12-16 15:48:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:48:42,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-16 15:48:42,759 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:48:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2023-12-16 15:48:42,795 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 15:48:42,795 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:48:42,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759045767]
[2023-12-16 15:48:42,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759045767] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 15:48:42,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 15:48:42,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-16 15:48:42,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440945813]
[2023-12-16 15:48:42,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:48:42,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-16 15:48:42,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:48:42,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-16 15:48:42,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-16 15:48:42,798 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:48:42,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:48:42,914 INFO L93 Difference]: Finished difference Result 257 states and 362 transitions.
[2023-12-16 15:48:42,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-12-16 15:48:42,915 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163
[2023-12-16 15:48:42,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:48:42,917 INFO L225 Difference]: With dead ends: 257
[2023-12-16 15:48:42,917 INFO L226 Difference]: Without dead ends: 139
[2023-12-16 15:48:42,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132
[2023-12-16 15:48:42,918 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 49 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 15:48:42,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 741 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 15:48:42,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states.
[2023-12-16 15:48:42,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 121.
[2023-12-16 15:48:42,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 97 states have (on average 1.3195876288659794) internal successors, (128), 97 states have internal predecessors, (128), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2023-12-16 15:48:42,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 170 transitions.
[2023-12-16 15:48:42,930 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 170 transitions. Word has length 163
[2023-12-16 15:48:42,931 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:48:42,931 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 170 transitions.
[2023-12-16 15:48:42,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:48:42,931 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 170 transitions.
[2023-12-16 15:48:42,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2023-12-16 15:48:42,932 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:48:42,932 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:42,948 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 (5)] Forceful destruction successful, exit code 0
[2023-12-16 15:48:43,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 15:48:43,143 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:48:43,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:48:43,144 INFO L85 PathProgramCache]: Analyzing trace with hash 612169304, now seen corresponding path program 1 times
[2023-12-16 15:48:43,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:48:43,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56223958]
[2023-12-16 15:48:43,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:48:43,144 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 15:48:43,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:48:43,146 INFO L229 MonitoredProcess]: Starting monitored process 6 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 15:48:43,152 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 (6)] Waiting until timeout for monitored process
[2023-12-16 15:48:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:48:43,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-16 15:48:43,529 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:48:43,572 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2023-12-16 15:48:43,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 15:48:43,573 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:48:43,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56223958]
[2023-12-16 15:48:43,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56223958] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 15:48:43,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 15:48:43,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-12-16 15:48:43,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960665076]
[2023-12-16 15:48:43,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:48:43,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-12-16 15:48:43,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:48:43,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-12-16 15:48:43,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-12-16 15:48:43,575 INFO L87 Difference]: Start difference. First operand 121 states and 170 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:48:43,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:48:43,728 INFO L93 Difference]: Finished difference Result 260 states and 362 transitions.
[2023-12-16 15:48:43,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2023-12-16 15:48:43,728 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 163
[2023-12-16 15:48:43,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:48:43,730 INFO L225 Difference]: With dead ends: 260
[2023-12-16 15:48:43,730 INFO L226 Difference]: Without dead ends: 140
[2023-12-16 15:48:43,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272
[2023-12-16 15:48:43,731 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 40 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 15:48:43,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 878 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 15:48:43,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states.
[2023-12-16 15:48:43,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 123.
[2023-12-16 15:48:43,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.3131313131313131) internal successors, (130), 99 states have internal predecessors, (130), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2023-12-16 15:48:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 172 transitions.
[2023-12-16 15:48:43,741 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 172 transitions. Word has length 163
[2023-12-16 15:48:43,742 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:48:43,742 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 172 transitions.
[2023-12-16 15:48:43,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:48:43,742 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 172 transitions.
[2023-12-16 15:48:43,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164
[2023-12-16 15:48:43,744 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:48:43,744 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:43,759 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 (6)] Forceful destruction successful, exit code 0
[2023-12-16 15:48:43,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 15:48:43,955 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:48:43,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:48:43,955 INFO L85 PathProgramCache]: Analyzing trace with hash 612228886, now seen corresponding path program 1 times
[2023-12-16 15:48:43,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:48:43,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1128691429]
[2023-12-16 15:48:43,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:48:43,956 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 15:48:43,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:48:43,957 INFO L229 MonitoredProcess]: Starting monitored process 7 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 15:48:43,957 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 (7)] Waiting until timeout for monitored process
[2023-12-16 15:48:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:48:44,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-12-16 15:48:44,326 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:48:44,391 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 77 treesize of output 41
[2023-12-16 15:48:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked.
[2023-12-16 15:48:44,413 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 15:48:44,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:48:44,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1128691429]
[2023-12-16 15:48:44,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1128691429] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 15:48:44,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 15:48:44,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 15:48:44,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180540641]
[2023-12-16 15:48:44,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:48:44,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-16 15:48:44,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:48:44,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-16 15:48:44,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-12-16 15:48:44,415 INFO L87 Difference]: Start difference. First operand 123 states and 172 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2023-12-16 15:48:45,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:48:45,301 INFO L93 Difference]: Finished difference Result 251 states and 352 transitions.
[2023-12-16 15:48:45,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-12-16 15:48:45,302 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 163
[2023-12-16 15:48:45,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:48:45,303 INFO L225 Difference]: With dead ends: 251
[2023-12-16 15:48:45,303 INFO L226 Difference]: Without dead ends: 129
[2023-12-16 15:48:45,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90
[2023-12-16 15:48:45,304 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 156 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2023-12-16 15:48:45,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 473 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2023-12-16 15:48:45,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states.
[2023-12-16 15:48:45,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 123.
[2023-12-16 15:48:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.303030303030303) internal successors, (129), 99 states have internal predecessors, (129), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2023-12-16 15:48:45,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 171 transitions.
[2023-12-16 15:48:45,332 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 171 transitions. Word has length 163
[2023-12-16 15:48:45,332 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:48:45,332 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 171 transitions.
[2023-12-16 15:48:45,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2023-12-16 15:48:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 171 transitions.
[2023-12-16 15:48:45,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166
[2023-12-16 15:48:45,334 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:48:45,334 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:45,346 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 (7)] Forceful destruction successful, exit code 0
[2023-12-16 15:48:45,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 15:48:45,544 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:48:45,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:48:45,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1098839772, now seen corresponding path program 1 times
[2023-12-16 15:48:45,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:48:45,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203142066]
[2023-12-16 15:48:45,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:48:45,545 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 15:48:45,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:48:45,546 INFO L229 MonitoredProcess]: Starting monitored process 8 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 15:48:45,547 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 (8)] Waiting until timeout for monitored process
[2023-12-16 15:48:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:48:45,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-12-16 15:48:45,995 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:48:46,082 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 77 treesize of output 41
[2023-12-16 15:48:46,103 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 624 trivial. 0 not checked.
[2023-12-16 15:48:46,103 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 15:48:46,103 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:48:46,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203142066]
[2023-12-16 15:48:46,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203142066] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 15:48:46,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 15:48:46,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 15:48:46,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148033008]
[2023-12-16 15:48:46,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:48:46,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-16 15:48:46,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:48:46,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-16 15:48:46,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-12-16 15:48:46,105 INFO L87 Difference]: Start difference. First operand 123 states and 171 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2023-12-16 15:48:47,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:48:47,023 INFO L93 Difference]: Finished difference Result 251 states and 350 transitions.
[2023-12-16 15:48:47,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-12-16 15:48:47,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 165
[2023-12-16 15:48:47,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:48:47,024 INFO L225 Difference]: With dead ends: 251
[2023-12-16 15:48:47,024 INFO L226 Difference]: Without dead ends: 129
[2023-12-16 15:48:47,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90
[2023-12-16 15:48:47,026 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 145 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2023-12-16 15:48:47,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 472 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2023-12-16 15:48:47,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states.
[2023-12-16 15:48:47,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 123.
[2023-12-16 15:48:47,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.292929292929293) internal successors, (128), 99 states have internal predecessors, (128), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2023-12-16 15:48:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions.
[2023-12-16 15:48:47,035 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 165
[2023-12-16 15:48:47,035 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:48:47,035 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions.
[2023-12-16 15:48:47,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2023-12-16 15:48:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions.
[2023-12-16 15:48:47,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2023-12-16 15:48:47,037 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:48:47,037 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:47,047 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 (8)] Forceful destruction successful, exit code 0
[2023-12-16 15:48:47,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /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 15:48:47,250 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:48:47,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:48:47,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1566807594, now seen corresponding path program 1 times
[2023-12-16 15:48:47,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:48:47,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243604779]
[2023-12-16 15:48:47,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:48:47,251 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 15:48:47,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:48:47,252 INFO L229 MonitoredProcess]: Starting monitored process 9 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 15:48:47,284 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 (9)] Waiting until timeout for monitored process
[2023-12-16 15:48:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:48:47,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 18 conjunts are in the unsatisfiable core
[2023-12-16 15:48:47,640 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:48:48,592 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
[2023-12-16 15:48:48,692 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 128 treesize of output 92
[2023-12-16 15:48:48,696 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 140 treesize of output 80
[2023-12-16 15:48:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked.
[2023-12-16 15:48:48,752 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:48:48,870 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:48:48,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243604779]
[2023-12-16 15:48:48,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243604779] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:48:48,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1016588793]
[2023-12-16 15:48:48,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:48:48,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-12-16 15:48:48,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2023-12-16 15:48:48,917 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2023-12-16 15:48:48,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process
[2023-12-16 15:48:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:48:50,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 25 conjunts are in the unsatisfiable core
[2023-12-16 15:48:50,272 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:48:51,079 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
[2023-12-16 15:48:52,971 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size
[2023-12-16 15:48:52,971 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 1 case distinctions, treesize of input 41 treesize of output 29
[2023-12-16 15:48:53,106 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 128 treesize of output 92
[2023-12-16 15:48:53,109 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 140 treesize of output 80
[2023-12-16 15:48:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked.
[2023-12-16 15:48:53,124 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:48:53,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1016588793] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:48:53,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-16 15:48:53,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15
[2023-12-16 15:48:53,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090586794]
[2023-12-16 15:48:53,178 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-16 15:48:53,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-12-16 15:48:53,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:48:53,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-12-16 15:48:53,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342
[2023-12-16 15:48:53,180 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand has 16 states, 16 states have (on average 7.6875) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42)
[2023-12-16 15:48:58,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:48:58,141 INFO L93 Difference]: Finished difference Result 627 states and 863 transitions.
[2023-12-16 15:48:58,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2023-12-16 15:48:58,142 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 167
[2023-12-16 15:48:58,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:48:58,145 INFO L225 Difference]: With dead ends: 627
[2023-12-16 15:48:58,145 INFO L226 Difference]: Without dead ends: 505
[2023-12-16 15:48:58,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 357 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=241, Invalid=1019, Unknown=0, NotChecked=0, Total=1260
[2023-12-16 15:48:58,147 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 891 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 893 SdHoareTripleChecker+Valid, 1386 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time
[2023-12-16 15:48:58,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [893 Valid, 1386 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time]
[2023-12-16 15:48:58,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states.
[2023-12-16 15:48:58,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 245.
[2023-12-16 15:48:58,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 197 states have (on average 1.284263959390863) internal successors, (253), 198 states have internal predecessors, (253), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42)
[2023-12-16 15:48:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 337 transitions.
[2023-12-16 15:48:58,186 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 337 transitions. Word has length 167
[2023-12-16 15:48:58,186 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:48:58,186 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 337 transitions.
[2023-12-16 15:48:58,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42)
[2023-12-16 15:48:58,187 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 337 transitions.
[2023-12-16 15:48:58,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168
[2023-12-16 15:48:58,188 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:48:58,188 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:58,200 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 (9)] Forceful destruction successful, exit code 0
[2023-12-16 15:48:58,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0
[2023-12-16 15:48:58,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /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=3,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2023-12-16 15:48:58,599 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:48:58,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:48:58,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2021563096, now seen corresponding path program 1 times
[2023-12-16 15:48:58,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:48:58,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518604944]
[2023-12-16 15:48:58,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:48:58,601 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 15:48:58,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:48:58,602 INFO L229 MonitoredProcess]: Starting monitored process 11 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 15:48:58,603 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 (11)] Waiting until timeout for monitored process
[2023-12-16 15:48:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:48:58,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-16 15:48:58,941 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:48:58,952 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked.
[2023-12-16 15:48:58,952 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 15:48:58,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:48:58,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518604944]
[2023-12-16 15:48:58,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518604944] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 15:48:58,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 15:48:58,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 15:48:58,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454551278]
[2023-12-16 15:48:58,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:48:58,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 15:48:58,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:48:58,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 15:48:58,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 15:48:58,957 INFO L87 Difference]: Start difference. First operand 245 states and 337 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2023-12-16 15:48:59,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:48:59,018 INFO L93 Difference]: Finished difference Result 493 states and 679 transitions.
[2023-12-16 15:48:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-12-16 15:48:59,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 167
[2023-12-16 15:48:59,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:48:59,021 INFO L225 Difference]: With dead ends: 493
[2023-12-16 15:48:59,021 INFO L226 Difference]: Without dead ends: 249
[2023-12-16 15:48:59,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-16 15:48:59,022 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 7 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 15:48:59,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 456 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 15:48:59,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states.
[2023-12-16 15:48:59,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 245.
[2023-12-16 15:48:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 197 states have (on average 1.2791878172588833) internal successors, (252), 198 states have internal predecessors, (252), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42)
[2023-12-16 15:48:59,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 336 transitions.
[2023-12-16 15:48:59,050 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 336 transitions. Word has length 167
[2023-12-16 15:48:59,050 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:48:59,051 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 336 transitions.
[2023-12-16 15:48:59,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21)
[2023-12-16 15:48:59,051 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 336 transitions.
[2023-12-16 15:48:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2023-12-16 15:48:59,052 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:48:59,052 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:48:59,062 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 (11)] Forceful destruction successful, exit code 0
[2023-12-16 15:48:59,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /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 15:48:59,262 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:48:59,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:48:59,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2087740827, now seen corresponding path program 1 times
[2023-12-16 15:48:59,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:48:59,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339531699]
[2023-12-16 15:48:59,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:48:59,263 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 15:48:59,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:48:59,264 INFO L229 MonitoredProcess]: Starting monitored process 12 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 15:48:59,265 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 (12)] Waiting until timeout for monitored process
[2023-12-16 15:48:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:48:59,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 21 conjunts are in the unsatisfiable core
[2023-12-16 15:48:59,718 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:01,854 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 86 treesize of output 50
[2023-12-16 15:49:01,857 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 74 treesize of output 38
[2023-12-16 15:49:01,953 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2023-12-16 15:49:01,953 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:49:02,271 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2023-12-16 15:49:02,272 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:49:02,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339531699]
[2023-12-16 15:49:02,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339531699] provided 1 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:49:02,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-12-16 15:49:02,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15
[2023-12-16 15:49:02,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728343434]
[2023-12-16 15:49:02,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:49:02,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 15:49:02,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:49:02,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 15:49:02,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210
[2023-12-16 15:49:02,273 INFO L87 Difference]: Start difference. First operand 245 states and 336 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:02,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:49:02,510 INFO L93 Difference]: Finished difference Result 621 states and 842 transitions.
[2023-12-16 15:49:02,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-12-16 15:49:02,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 169
[2023-12-16 15:49:02,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:49:02,513 INFO L225 Difference]: With dead ends: 621
[2023-12-16 15:49:02,513 INFO L226 Difference]: Without dead ends: 377
[2023-12-16 15:49:02,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240
[2023-12-16 15:49:02,515 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 92 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-16 15:49:02,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 600 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-16 15:49:02,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states.
[2023-12-16 15:49:02,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 267.
[2023-12-16 15:49:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 219 states have (on average 1.278538812785388) internal successors, (280), 220 states have internal predecessors, (280), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42)
[2023-12-16 15:49:02,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 364 transitions.
[2023-12-16 15:49:02,542 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 364 transitions. Word has length 169
[2023-12-16 15:49:02,543 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:49:02,543 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 364 transitions.
[2023-12-16 15:49:02,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:02,543 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 364 transitions.
[2023-12-16 15:49:02,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2023-12-16 15:49:02,544 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:49:02,545 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:02,558 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 (12)] Ended with exit code 0
[2023-12-16 15:49:02,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /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 15:49:02,755 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:49:02,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:49:02,756 INFO L85 PathProgramCache]: Analyzing trace with hash -698594261, now seen corresponding path program 1 times
[2023-12-16 15:49:02,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:49:02,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200918144]
[2023-12-16 15:49:02,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:02,757 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 15:49:02,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:49:02,758 INFO L229 MonitoredProcess]: Starting monitored process 13 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 15:49:02,759 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 (13)] Waiting until timeout for monitored process
[2023-12-16 15:49:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:03,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-12-16 15:49:03,171 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:03,208 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2023-12-16 15:49:03,209 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 15:49:03,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:49:03,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200918144]
[2023-12-16 15:49:03,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200918144] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 15:49:03,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 15:49:03,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 15:49:03,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902183468]
[2023-12-16 15:49:03,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:49:03,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 15:49:03,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:49:03,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 15:49:03,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-16 15:49:03,211 INFO L87 Difference]: Start difference. First operand 267 states and 364 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:03,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:49:03,293 INFO L93 Difference]: Finished difference Result 565 states and 769 transitions.
[2023-12-16 15:49:03,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-12-16 15:49:03,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 169
[2023-12-16 15:49:03,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:49:03,295 INFO L225 Difference]: With dead ends: 565
[2023-12-16 15:49:03,296 INFO L226 Difference]: Without dead ends: 299
[2023-12-16 15:49:03,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-12-16 15:49:03,297 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 41 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 15:49:03,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 594 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 15:49:03,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states.
[2023-12-16 15:49:03,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 273.
[2023-12-16 15:49:03,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 225 states have (on average 1.271111111111111) internal successors, (286), 226 states have internal predecessors, (286), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42)
[2023-12-16 15:49:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 370 transitions.
[2023-12-16 15:49:03,327 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 370 transitions. Word has length 169
[2023-12-16 15:49:03,328 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:49:03,328 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 370 transitions.
[2023-12-16 15:49:03,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:03,328 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 370 transitions.
[2023-12-16 15:49:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2023-12-16 15:49:03,330 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:49:03,330 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:03,343 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 (13)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:03,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /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 15:49:03,540 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:49:03,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:49:03,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1598137766, now seen corresponding path program 1 times
[2023-12-16 15:49:03,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:49:03,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795708425]
[2023-12-16 15:49:03,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:03,541 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 15:49:03,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:49:03,543 INFO L229 MonitoredProcess]: Starting monitored process 14 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 15:49:03,543 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 (14)] Waiting until timeout for monitored process
[2023-12-16 15:49:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:03,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-16 15:49:03,911 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:03,939 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked.
[2023-12-16 15:49:03,939 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 15:49:03,939 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:49:03,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795708425]
[2023-12-16 15:49:03,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795708425] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 15:49:03,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 15:49:03,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-12-16 15:49:03,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383238097]
[2023-12-16 15:49:03,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:49:03,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-16 15:49:03,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:49:03,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-16 15:49:03,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-16 15:49:03,941 INFO L87 Difference]: Start difference. First operand 273 states and 370 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21)
[2023-12-16 15:49:04,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:49:04,149 INFO L93 Difference]: Finished difference Result 555 states and 750 transitions.
[2023-12-16 15:49:04,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-12-16 15:49:04,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 169
[2023-12-16 15:49:04,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:49:04,151 INFO L225 Difference]: With dead ends: 555
[2023-12-16 15:49:04,151 INFO L226 Difference]: Without dead ends: 281
[2023-12-16 15:49:04,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2023-12-16 15:49:04,153 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 6 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-16 15:49:04,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 597 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-16 15:49:04,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states.
[2023-12-16 15:49:04,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 273.
[2023-12-16 15:49:04,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 225 states have (on average 1.2666666666666666) internal successors, (285), 226 states have internal predecessors, (285), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42)
[2023-12-16 15:49:04,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 369 transitions.
[2023-12-16 15:49:04,179 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 369 transitions. Word has length 169
[2023-12-16 15:49:04,179 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:49:04,179 INFO L495 AbstractCegarLoop]: Abstraction has 273 states and 369 transitions.
[2023-12-16 15:49:04,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21)
[2023-12-16 15:49:04,179 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 369 transitions.
[2023-12-16 15:49:04,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170
[2023-12-16 15:49:04,182 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:49:04,183 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:04,193 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 (14)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:04,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /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 15:49:04,393 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:49:04,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:49:04,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1749791644, now seen corresponding path program 1 times
[2023-12-16 15:49:04,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:49:04,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1965210862]
[2023-12-16 15:49:04,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:04,394 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 15:49:04,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:49:04,395 INFO L229 MonitoredProcess]: Starting monitored process 15 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 15:49:04,396 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 (15)] Waiting until timeout for monitored process
[2023-12-16 15:49:04,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:04,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 20 conjunts are in the unsatisfiable core
[2023-12-16 15:49:04,796 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:05,722 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
[2023-12-16 15:49:05,804 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 128 treesize of output 92
[2023-12-16 15:49:05,806 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 138 treesize of output 78
[2023-12-16 15:49:05,850 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 16 proven. 320 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked.
[2023-12-16 15:49:05,850 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:49:05,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:49:05,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1965210862]
[2023-12-16 15:49:05,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1965210862] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:49:05,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1000241865]
[2023-12-16 15:49:05,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:05,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-12-16 15:49:05,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2023-12-16 15:49:05,952 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2023-12-16 15:49:05,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process
[2023-12-16 15:49:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:07,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 30 conjunts are in the unsatisfiable core
[2023-12-16 15:49:07,339 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:08,052 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
[2023-12-16 15:49:09,950 INFO L349 Elim1Store]: treesize reduction 21, result has 41.7 percent of original size
[2023-12-16 15:49:09,951 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 1 case distinctions, treesize of input 41 treesize of output 29
[2023-12-16 15:49:10,104 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 128 treesize of output 92
[2023-12-16 15:49:10,106 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 138 treesize of output 78
[2023-12-16 15:49:10,128 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 16 proven. 320 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked.
[2023-12-16 15:49:10,129 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:49:10,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1000241865] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:49:10,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-16 15:49:10,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21
[2023-12-16 15:49:10,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126821531]
[2023-12-16 15:49:10,182 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-16 15:49:10,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2023-12-16 15:49:10,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:49:10,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2023-12-16 15:49:10,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600
[2023-12-16 15:49:10,183 INFO L87 Difference]: Start difference. First operand 273 states and 369 transitions. Second operand has 22 states, 20 states have (on average 6.65) internal successors, (133), 19 states have internal predecessors, (133), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42)
[2023-12-16 15:49:17,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:49:17,596 INFO L93 Difference]: Finished difference Result 839 states and 1122 transitions.
[2023-12-16 15:49:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states.
[2023-12-16 15:49:17,597 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 6.65) internal successors, (133), 19 states have internal predecessors, (133), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42) Word has length 169
[2023-12-16 15:49:17,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:49:17,600 INFO L225 Difference]: With dead ends: 839
[2023-12-16 15:49:17,600 INFO L226 Difference]: Without dead ends: 567
[2023-12-16 15:49:17,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 355 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 899 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=542, Invalid=2764, Unknown=0, NotChecked=0, Total=3306
[2023-12-16 15:49:17,602 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 723 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time
[2023-12-16 15:49:17,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 1688 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time]
[2023-12-16 15:49:17,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states.
[2023-12-16 15:49:17,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 255.
[2023-12-16 15:49:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 192 states have (on average 1.2239583333333333) internal successors, (235), 194 states have internal predecessors, (235), 55 states have call successors, (55), 7 states have call predecessors, (55), 7 states have return successors, (55), 53 states have call predecessors, (55), 55 states have call successors, (55)
[2023-12-16 15:49:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 345 transitions.
[2023-12-16 15:49:17,636 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 345 transitions. Word has length 169
[2023-12-16 15:49:17,636 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:49:17,636 INFO L495 AbstractCegarLoop]: Abstraction has 255 states and 345 transitions.
[2023-12-16 15:49:17,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 6.65) internal successors, (133), 19 states have internal predecessors, (133), 6 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 4 states have call predecessors, (42), 6 states have call successors, (42)
[2023-12-16 15:49:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 345 transitions.
[2023-12-16 15:49:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171
[2023-12-16 15:49:17,638 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:49:17,638 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:17,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:17,861 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 (15)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:18,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,15 /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 15:49:18,058 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:49:18,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:49:18,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1844568794, now seen corresponding path program 1 times
[2023-12-16 15:49:18,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:49:18,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279687599]
[2023-12-16 15:49:18,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:18,059 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 15:49:18,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:49:18,060 INFO L229 MonitoredProcess]: Starting monitored process 17 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 15:49:18,061 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 (17)] Waiting until timeout for monitored process
[2023-12-16 15:49:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:18,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 19 conjunts are in the unsatisfiable core
[2023-12-16 15:49:18,561 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:19,363 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
[2023-12-16 15:49:19,447 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 128 treesize of output 92
[2023-12-16 15:49:19,450 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 140 treesize of output 80
[2023-12-16 15:49:19,526 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked.
[2023-12-16 15:49:19,526 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:49:19,651 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:49:19,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279687599]
[2023-12-16 15:49:19,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [279687599] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:49:19,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1866660752]
[2023-12-16 15:49:19,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:19,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-12-16 15:49:19,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2023-12-16 15:49:19,655 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2023-12-16 15:49:19,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process
[2023-12-16 15:49:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:21,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 25 conjunts are in the unsatisfiable core
[2023-12-16 15:49:21,342 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:21,841 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
[2023-12-16 15:49:22,946 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
[2023-12-16 15:49:23,087 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 128 treesize of output 92
[2023-12-16 15:49:23,090 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 140 treesize of output 80
[2023-12-16 15:49:23,105 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked.
[2023-12-16 15:49:23,105 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:49:23,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1866660752] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:49:23,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-12-16 15:49:23,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16
[2023-12-16 15:49:23,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811648996]
[2023-12-16 15:49:23,166 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-12-16 15:49:23,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2023-12-16 15:49:23,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:49:23,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2023-12-16 15:49:23,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420
[2023-12-16 15:49:23,167 INFO L87 Difference]: Start difference. First operand 255 states and 345 transitions. Second operand has 17 states, 17 states have (on average 7.529411764705882) internal successors, (128), 16 states have internal predecessors, (128), 4 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42)
[2023-12-16 15:49:26,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:49:26,483 INFO L93 Difference]: Finished difference Result 572 states and 764 transitions.
[2023-12-16 15:49:26,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2023-12-16 15:49:26,484 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 7.529411764705882) internal successors, (128), 16 states have internal predecessors, (128), 4 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 170
[2023-12-16 15:49:26,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:49:26,486 INFO L225 Difference]: With dead ends: 572
[2023-12-16 15:49:26,486 INFO L226 Difference]: Without dead ends: 391
[2023-12-16 15:49:26,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 367 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=205, Invalid=787, Unknown=0, NotChecked=0, Total=992
[2023-12-16 15:49:26,488 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 354 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2023-12-16 15:49:26,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 1491 Invalid, 964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2023-12-16 15:49:26,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states.
[2023-12-16 15:49:26,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 279.
[2023-12-16 15:49:26,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 213 states have (on average 1.2347417840375587) internal successors, (263), 214 states have internal predecessors, (263), 57 states have call successors, (57), 8 states have call predecessors, (57), 8 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57)
[2023-12-16 15:49:26,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 377 transitions.
[2023-12-16 15:49:26,522 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 377 transitions. Word has length 170
[2023-12-16 15:49:26,522 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:49:26,522 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 377 transitions.
[2023-12-16 15:49:26,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 7.529411764705882) internal successors, (128), 16 states have internal predecessors, (128), 4 states have call successors, (42), 4 states have call predecessors, (42), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42)
[2023-12-16 15:49:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 377 transitions.
[2023-12-16 15:49:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2023-12-16 15:49:26,523 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:49:26,524 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:26,538 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 (17)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:26,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:26,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /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=3,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2023-12-16 15:49:26,937 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:49:26,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:49:26,938 INFO L85 PathProgramCache]: Analyzing trace with hash 485324600, now seen corresponding path program 1 times
[2023-12-16 15:49:26,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:49:26,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1560371253]
[2023-12-16 15:49:26,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:26,938 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 15:49:26,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:49:26,939 INFO L229 MonitoredProcess]: Starting monitored process 19 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 15:49:26,940 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 (19)] Waiting until timeout for monitored process
[2023-12-16 15:49:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:27,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-12-16 15:49:27,349 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:27,355 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 12 treesize of output 8
[2023-12-16 15:49:27,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22
[2023-12-16 15:49:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2023-12-16 15:49:27,409 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 15:49:27,409 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:49:27,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1560371253]
[2023-12-16 15:49:27,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1560371253] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 15:49:27,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 15:49:27,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-16 15:49:27,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11462302]
[2023-12-16 15:49:27,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:49:27,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 15:49:27,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:49:27,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 15:49:27,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-12-16 15:49:27,411 INFO L87 Difference]: Start difference. First operand 279 states and 377 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:27,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:49:27,540 INFO L93 Difference]: Finished difference Result 342 states and 460 transitions.
[2023-12-16 15:49:27,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-12-16 15:49:27,541 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 171
[2023-12-16 15:49:27,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:49:27,543 INFO L225 Difference]: With dead ends: 342
[2023-12-16 15:49:27,543 INFO L226 Difference]: Without dead ends: 340
[2023-12-16 15:49:27,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2023-12-16 15:49:27,543 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 140 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 15:49:27,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 869 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 15:49:27,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states.
[2023-12-16 15:49:27,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 281.
[2023-12-16 15:49:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 215 states have (on average 1.2325581395348837) internal successors, (265), 216 states have internal predecessors, (265), 57 states have call successors, (57), 8 states have call predecessors, (57), 8 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57)
[2023-12-16 15:49:27,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 379 transitions.
[2023-12-16 15:49:27,580 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 379 transitions. Word has length 171
[2023-12-16 15:49:27,581 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:49:27,581 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 379 transitions.
[2023-12-16 15:49:27,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 379 transitions.
[2023-12-16 15:49:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2023-12-16 15:49:27,582 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:49:27,582 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:27,593 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 (19)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:27,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /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 15:49:27,796 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:49:27,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:49:27,797 INFO L85 PathProgramCache]: Analyzing trace with hash 485384182, now seen corresponding path program 1 times
[2023-12-16 15:49:27,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:49:27,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061876256]
[2023-12-16 15:49:27,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:27,798 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 15:49:27,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:49:27,799 INFO L229 MonitoredProcess]: Starting monitored process 20 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 15:49:27,828 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 (20)] Waiting until timeout for monitored process
[2023-12-16 15:49:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:28,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-12-16 15:49:28,230 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:28,563 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 17 treesize of output 13
[2023-12-16 15:49:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 360 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2023-12-16 15:49:28,613 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:49:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2023-12-16 15:49:28,690 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:49:28,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061876256]
[2023-12-16 15:49:28,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061876256] provided 1 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:49:28,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-12-16 15:49:28,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6
[2023-12-16 15:49:28,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748320582]
[2023-12-16 15:49:28,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:49:28,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 15:49:28,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:49:28,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 15:49:28,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-16 15:49:28,691 INFO L87 Difference]: Start difference. First operand 281 states and 379 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:28,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:49:28,795 INFO L93 Difference]: Finished difference Result 518 states and 694 transitions.
[2023-12-16 15:49:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-12-16 15:49:28,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 171
[2023-12-16 15:49:28,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:49:28,797 INFO L225 Difference]: With dead ends: 518
[2023-12-16 15:49:28,797 INFO L226 Difference]: Without dead ends: 311
[2023-12-16 15:49:28,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2023-12-16 15:49:28,798 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 119 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 15:49:28,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 795 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 15:49:28,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states.
[2023-12-16 15:49:28,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 310.
[2023-12-16 15:49:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 231 states have (on average 1.2121212121212122) internal successors, (280), 233 states have internal predecessors, (280), 68 states have call successors, (68), 10 states have call predecessors, (68), 10 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68)
[2023-12-16 15:49:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 416 transitions.
[2023-12-16 15:49:28,860 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 416 transitions. Word has length 171
[2023-12-16 15:49:28,860 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:49:28,860 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 416 transitions.
[2023-12-16 15:49:28,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:28,861 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 416 transitions.
[2023-12-16 15:49:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2023-12-16 15:49:28,862 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:49:28,862 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:28,879 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 (20)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:29,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /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 15:49:29,072 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:49:29,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:49:29,073 INFO L85 PathProgramCache]: Analyzing trace with hash 542642484, now seen corresponding path program 1 times
[2023-12-16 15:49:29,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:49:29,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505363848]
[2023-12-16 15:49:29,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:29,074 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 15:49:29,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:49:29,075 INFO L229 MonitoredProcess]: Starting monitored process 21 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 15:49:29,111 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 (21)] Waiting until timeout for monitored process
[2023-12-16 15:49:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:29,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-12-16 15:49:29,576 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:29,837 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 17 treesize of output 13
[2023-12-16 15:49:29,890 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 440 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked.
[2023-12-16 15:49:29,890 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:49:29,953 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2023-12-16 15:49:29,953 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:49:29,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505363848]
[2023-12-16 15:49:29,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [505363848] provided 1 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:49:29,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-12-16 15:49:29,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6
[2023-12-16 15:49:29,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635236785]
[2023-12-16 15:49:29,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:49:29,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 15:49:29,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:49:29,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 15:49:29,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-12-16 15:49:29,955 INFO L87 Difference]: Start difference. First operand 310 states and 416 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:30,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:49:30,070 INFO L93 Difference]: Finished difference Result 533 states and 703 transitions.
[2023-12-16 15:49:30,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2023-12-16 15:49:30,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 171
[2023-12-16 15:49:30,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:49:30,072 INFO L225 Difference]: With dead ends: 533
[2023-12-16 15:49:30,072 INFO L226 Difference]: Without dead ends: 318
[2023-12-16 15:49:30,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2023-12-16 15:49:30,073 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 112 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 15:49:30,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 748 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 15:49:30,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states.
[2023-12-16 15:49:30,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318.
[2023-12-16 15:49:30,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 237 states have (on average 1.2025316455696202) internal successors, (285), 239 states have internal predecessors, (285), 68 states have call successors, (68), 12 states have call predecessors, (68), 12 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68)
[2023-12-16 15:49:30,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 421 transitions.
[2023-12-16 15:49:30,121 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 421 transitions. Word has length 171
[2023-12-16 15:49:30,122 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:49:30,122 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 421 transitions.
[2023-12-16 15:49:30,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 421 transitions.
[2023-12-16 15:49:30,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2023-12-16 15:49:30,123 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:49:30,123 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:30,137 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 (21)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:30,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /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 15:49:30,334 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:49:30,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:49:30,335 INFO L85 PathProgramCache]: Analyzing trace with hash -266704142, now seen corresponding path program 1 times
[2023-12-16 15:49:30,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:49:30,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522472843]
[2023-12-16 15:49:30,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:30,335 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 15:49:30,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:49:30,336 INFO L229 MonitoredProcess]: Starting monitored process 22 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 15:49:30,337 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 (22)] Waiting until timeout for monitored process
[2023-12-16 15:49:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:30,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 14 conjunts are in the unsatisfiable core
[2023-12-16 15:49:30,765 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:31,226 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 17 treesize of output 13
[2023-12-16 15:49:31,288 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 54 treesize of output 42
[2023-12-16 15:49:31,299 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 54 treesize of output 34
[2023-12-16 15:49:31,332 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2023-12-16 15:49:31,332 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:49:31,438 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2023-12-16 15:49:31,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:49:31,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522472843]
[2023-12-16 15:49:31,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522472843] provided 1 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:49:31,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-12-16 15:49:31,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13
[2023-12-16 15:49:31,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677389658]
[2023-12-16 15:49:31,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:49:31,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-16 15:49:31,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:49:31,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-16 15:49:31,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156
[2023-12-16 15:49:31,440 INFO L87 Difference]: Start difference. First operand 318 states and 421 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:31,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:49:31,637 INFO L93 Difference]: Finished difference Result 734 states and 952 transitions.
[2023-12-16 15:49:31,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2023-12-16 15:49:31,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 171
[2023-12-16 15:49:31,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:49:31,640 INFO L225 Difference]: With dead ends: 734
[2023-12-16 15:49:31,640 INFO L226 Difference]: Without dead ends: 511
[2023-12-16 15:49:31,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240
[2023-12-16 15:49:31,642 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 156 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 15:49:31,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 1126 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 15:49:31,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states.
[2023-12-16 15:49:31,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 453.
[2023-12-16 15:49:31,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 349 states have (on average 1.2120343839541547) internal successors, (423), 352 states have internal predecessors, (423), 87 states have call successors, (87), 16 states have call predecessors, (87), 16 states have return successors, (87), 84 states have call predecessors, (87), 87 states have call successors, (87)
[2023-12-16 15:49:31,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 597 transitions.
[2023-12-16 15:49:31,722 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 597 transitions. Word has length 171
[2023-12-16 15:49:31,722 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:49:31,722 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 597 transitions.
[2023-12-16 15:49:31,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:31,722 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 597 transitions.
[2023-12-16 15:49:31,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172
[2023-12-16 15:49:31,723 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:49:31,723 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:31,737 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 (22)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:31,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /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 15:49:31,934 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:49:31,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:49:31,934 INFO L85 PathProgramCache]: Analyzing trace with hash -967768720, now seen corresponding path program 1 times
[2023-12-16 15:49:31,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:49:31,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777808711]
[2023-12-16 15:49:31,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:31,935 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 15:49:31,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:49:31,936 INFO L229 MonitoredProcess]: Starting monitored process 23 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 15:49:31,936 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 (23)] Waiting until timeout for monitored process
[2023-12-16 15:49:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:32,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 28 conjunts are in the unsatisfiable core
[2023-12-16 15:49:32,363 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:34,124 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 17 treesize of output 13
[2023-12-16 15:49:34,320 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
[2023-12-16 15:49:34,323 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 27 treesize of output 15
[2023-12-16 15:49:34,329 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
[2023-12-16 15:49:34,334 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 8 treesize of output 4
[2023-12-16 15:49:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 4 proven. 632 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked.
[2023-12-16 15:49:34,384 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:49:34,758 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked.
[2023-12-16 15:49:34,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:49:34,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777808711]
[2023-12-16 15:49:34,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777808711] provided 1 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:49:34,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-12-16 15:49:34,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 20
[2023-12-16 15:49:34,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827602249]
[2023-12-16 15:49:34,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 15:49:34,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-16 15:49:34,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 15:49:34,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-16 15:49:34,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380
[2023-12-16 15:49:34,760 INFO L87 Difference]: Start difference. First operand 453 states and 597 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:35,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 15:49:35,034 INFO L93 Difference]: Finished difference Result 825 states and 1069 transitions.
[2023-12-16 15:49:35,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-12-16 15:49:35,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 171
[2023-12-16 15:49:35,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 15:49:35,038 INFO L225 Difference]: With dead ends: 825
[2023-12-16 15:49:35,038 INFO L226 Difference]: Without dead ends: 467
[2023-12-16 15:49:35,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420
[2023-12-16 15:49:35,040 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 197 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-16 15:49:35,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 511 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-16 15:49:35,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states.
[2023-12-16 15:49:35,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 462.
[2023-12-16 15:49:35,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 355 states have (on average 1.2) internal successors, (426), 358 states have internal predecessors, (426), 87 states have call successors, (87), 19 states have call predecessors, (87), 19 states have return successors, (87), 84 states have call predecessors, (87), 87 states have call successors, (87)
[2023-12-16 15:49:35,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 600 transitions.
[2023-12-16 15:49:35,102 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 600 transitions. Word has length 171
[2023-12-16 15:49:35,103 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-16 15:49:35,103 INFO L495 AbstractCegarLoop]: Abstraction has 462 states and 600 transitions.
[2023-12-16 15:49:35,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21)
[2023-12-16 15:49:35,103 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 600 transitions.
[2023-12-16 15:49:35,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2023-12-16 15:49:35,104 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-16 15:49:35,104 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:49:35,113 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 (23)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:35,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /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 15:49:35,305 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 15:49:35,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 15:49:35,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1535653280, now seen corresponding path program 1 times
[2023-12-16 15:49:35,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 15:49:35,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174402886]
[2023-12-16 15:49:35,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:35,305 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 15:49:35,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 15:49:35,306 INFO L229 MonitoredProcess]: Starting monitored process 24 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 15:49:35,307 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 (24)] Waiting until timeout for monitored process
[2023-12-16 15:49:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:35,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 21 conjunts are in the unsatisfiable core
[2023-12-16 15:49:35,802 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 15:49:36,696 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
[2023-12-16 15:49:36,789 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 128 treesize of output 92
[2023-12-16 15:49:36,801 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 138 treesize of output 78
[2023-12-16 15:49:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 16 proven. 320 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked.
[2023-12-16 15:49:36,875 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-12-16 15:49:37,005 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 15:49:37,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174402886]
[2023-12-16 15:49:37,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174402886] provided 0 perfect and 1 imperfect interpolant sequences
[2023-12-16 15:49:37,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [465367679]
[2023-12-16 15:49:37,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 15:49:37,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-12-16 15:49:37,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2023-12-16 15:49:37,006 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2023-12-16 15:49:37,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process
[2023-12-16 15:49:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 15:49:38,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 31 conjunts are in the unsatisfiable core
[2023-12-16 15:49:38,909 INFO L285 TraceCheckSpWp]: Computing forward predicates...
Received shutdown request...
[2023-12-16 15:49:38,953 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 15:49:38,959 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 15:49:38,960 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (25)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-12-16 15:49:38,962 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 (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-12-16 15:49:38,964 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 (24)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:39,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0
[2023-12-16 15:49:39,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /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=3,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2023-12-16 15:49:39,354 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 173 with TraceHistMax 21,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 18 known predicates.
[2023-12-16 15:49:39,358 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 15:49:39,362 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 15:49:39,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:49:39 BoogieIcfgContainer
[2023-12-16 15:49:39,365 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 15:49:39,365 INFO L158 Benchmark]: Toolchain (without parser) took 64365.38ms. Allocated memory was 210.8MB in the beginning and 420.5MB in the end (delta: 209.7MB). Free memory was 159.6MB in the beginning and 223.7MB in the end (delta: -64.1MB). Peak memory consumption was 146.1MB. Max. memory is 8.0GB.
[2023-12-16 15:49:39,366 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 210.8MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 15:49:39,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.95ms. Allocated memory is still 210.8MB. Free memory was 159.4MB in the beginning and 143.9MB in the end (delta: 15.5MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB.
[2023-12-16 15:49:39,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.80ms. Allocated memory is still 210.8MB. Free memory was 143.9MB in the beginning and 140.3MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2023-12-16 15:49:39,367 INFO L158 Benchmark]: Boogie Preprocessor took 95.15ms. Allocated memory is still 210.8MB. Free memory was 140.3MB in the beginning and 132.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB.
[2023-12-16 15:49:39,367 INFO L158 Benchmark]: RCFGBuilder took 1847.54ms. Allocated memory was 210.8MB in the beginning and 350.2MB in the end (delta: 139.5MB). Free memory was 132.4MB in the beginning and 269.9MB in the end (delta: -137.5MB). Peak memory consumption was 26.8MB. Max. memory is 8.0GB.
[2023-12-16 15:49:39,368 INFO L158 Benchmark]: TraceAbstraction took 62020.62ms. Allocated memory was 350.2MB in the beginning and 420.5MB in the end (delta: 70.3MB). Free memory was 268.8MB in the beginning and 223.7MB in the end (delta: 45.2MB). Peak memory consumption was 115.1MB. Max. memory is 8.0GB.
[2023-12-16 15:49:39,370 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.57ms. Allocated memory is still 210.8MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 339.95ms. Allocated memory is still 210.8MB. Free memory was 159.4MB in the beginning and 143.9MB in the end (delta: 15.5MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 56.80ms. Allocated memory is still 210.8MB. Free memory was 143.9MB in the beginning and 140.3MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 95.15ms. Allocated memory is still 210.8MB. Free memory was 140.3MB in the beginning and 132.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB.
* RCFGBuilder took 1847.54ms. Allocated memory was 210.8MB in the beginning and 350.2MB in the end (delta: 139.5MB). Free memory was 132.4MB in the beginning and 269.9MB in the end (delta: -137.5MB). Peak memory consumption was 26.8MB. Max. memory is 8.0GB.
* TraceAbstraction took 62020.62ms. Allocated memory was 350.2MB in the beginning and 420.5MB in the end (delta: 70.3MB). Free memory was 268.8MB in the beginning and 223.7MB in the end (delta: 45.2MB). Peak memory consumption was 115.1MB. Max. memory is 8.0GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- 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 173 with TraceHistMax 21,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 18 known predicates.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 62.0s, OverallIterations: 20, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 20.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3901 SdHoareTripleChecker+Valid, 15.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3897 mSDsluCounter, 14678 SdHoareTripleChecker+Invalid, 14.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11382 mSDsCounter, 656 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4346 IncrementalHoareTripleChecker+Invalid, 5002 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 656 mSolverCounterUnsat, 3296 mSDtfsCounter, 4346 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4927 GetRequests, 4653 SyntacticMatches, 7 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1576 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=462occurred in iteration=19, InterpolantAutomatonStates: 195, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 19 MinimizatonAttempts, 1133 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.2s SsaConstructionTime, 7.5s SatisfiabilityAnalysisTime, 20.1s InterpolantComputationTime, 3684 NumberOfCodeBlocks, 3684 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 4672 ConstructedInterpolants, 298 QuantifiedInterpolants, 70367 SizeOfPredicates, 249 NumberOfNonLiveVariables, 9976 ConjunctsInSsa, 283 ConjunctsInUnsatCore, 28 InterpolantComputations, 16 PerfectInterpolantSequences, 20120/23520 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