/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i


--------------------------------------------------------------------------------


This is Ultimate 0.2.2-dev-a10ec3b
[2022-01-10 11:57:09,186 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-10 11:57:09,188 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-10 11:57:09,237 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-10 11:57:09,237 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-10 11:57:09,238 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-10 11:57:09,239 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-10 11:57:09,252 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-10 11:57:09,254 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-10 11:57:09,254 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-01-10 11:57:09,255 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-01-10 11:57:09,256 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-10 11:57:09,256 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-10 11:57:09,256 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-10 11:57:09,257 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-10 11:57:09,258 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-10 11:57:09,258 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-10 11:57:09,259 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-10 11:57:09,260 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-10 11:57:09,276 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-10 11:57:09,277 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-10 11:57:09,281 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-10 11:57:09,282 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-01-10 11:57:09,282 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-10 11:57:09,284 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-10 11:57:09,284 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-10 11:57:09,284 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-10 11:57:09,285 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-10 11:57:09,285 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-10 11:57:09,286 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-10 11:57:09,286 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-10 11:57:09,286 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-10 11:57:09,287 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-10 11:57:09,287 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-10 11:57:09,288 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-10 11:57:09,288 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-10 11:57:09,289 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-10 11:57:09,289 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-10 11:57:09,289 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-01-10 11:57:09,289 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-01-10 11:57:09,290 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-10 11:57:09,297 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf
[2022-01-10 11:57:09,313 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-10 11:57:09,313 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-10 11:57:09,313 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-10 11:57:09,314 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-10 11:57:09,314 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-10 11:57:09,314 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-10 11:57:09,314 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-10 11:57:09,315 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-10 11:57:09,315 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-10 11:57:09,320 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-10 11:57:09,320 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-10 11:57:09,321 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-10 11:57:09,321 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-10 11:57:09,321 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-01-10 11:57:09,321 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-01-10 11:57:09,321 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-01-10 11:57:09,321 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-10 11:57:09,321 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-10 11:57:09,321 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-10 11:57:09,321 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-10 11:57:09,321 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-10 11:57:09,322 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 11:57:09,322 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-10 11:57:09,323 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-10 11:57:09,323 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-10 11:57:09,323 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-01-10 11:57:09,323 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-01-10 11:57:09,323 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-10 11:57:09,323 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-10 11:57:09,323 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-10 11:57:09,323 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-01-10 11:57:09,324 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-01-10 11:57:09,325 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-01-10 11:57:09,325 INFO  L138        SettingsManager]:  * TransformationType=BV_TO_INT_BITWISE
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-10 11:57:09,478 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-10 11:57:09,491 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-10 11:57:09,492 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-10 11:57:09,493 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-10 11:57:09,507 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-10 11:57:09,508 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i
[2022-01-10 11:57:09,569 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58fef084c/b3fbb494b2374d7e98c009a9885e0219/FLAG22da372d6
[2022-01-10 11:57:09,976 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-10 11:57:09,976 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i
[2022-01-10 11:57:10,002 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58fef084c/b3fbb494b2374d7e98c009a9885e0219/FLAG22da372d6
[2022-01-10 11:57:10,314 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58fef084c/b3fbb494b2374d7e98c009a9885e0219
[2022-01-10 11:57:10,316 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-10 11:57:10,319 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-01-10 11:57:10,322 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-10 11:57:10,322 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-10 11:57:10,325 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-10 11:57:10,326 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:57:10" (1/1) ...
[2022-01-10 11:57:10,327 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5809e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10, skipping insertion in model container
[2022-01-10 11:57:10,327 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:57:10" (1/1) ...
[2022-01-10 11:57:10,332 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-10 11:57:10,374 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-10 11:57:10,745 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i[25842,25855]
[2022-01-10 11:57:10,750 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i[25967,25980]
[2022-01-10 11:57:10,752 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i[26082,26095]
[2022-01-10 11:57:10,757 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 11:57:10,767 INFO  L200         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2022-01-10 11:57:10,774 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-10 11:57:10,815 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i[25842,25855]
[2022-01-10 11:57:10,816 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i[25967,25980]
[2022-01-10 11:57:10,816 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i[26082,26095]
[2022-01-10 11:57:10,817 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 11:57:10,818 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-10 11:57:10,854 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i[25842,25855]
[2022-01-10 11:57:10,856 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i[25967,25980]
[2022-01-10 11:57:10,857 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_unlock_at_exit.i[26082,26095]
[2022-01-10 11:57:10,859 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 11:57:10,883 INFO  L208         MainTranslator]: Completed translation
[2022-01-10 11:57:10,884 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10 WrapperNode
[2022-01-10 11:57:10,884 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-10 11:57:10,885 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-10 11:57:10,885 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-10 11:57:10,885 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-10 11:57:10,890 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10" (1/1) ...
[2022-01-10 11:57:10,917 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10" (1/1) ...
[2022-01-10 11:57:10,953 INFO  L137                Inliner]: procedures = 140, calls = 56, calls flagged for inlining = 25, calls inlined = 32, statements flattened = 308
[2022-01-10 11:57:10,954 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-10 11:57:10,954 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-10 11:57:10,955 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-10 11:57:10,955 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-10 11:57:10,962 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10" (1/1) ...
[2022-01-10 11:57:10,963 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10" (1/1) ...
[2022-01-10 11:57:10,976 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10" (1/1) ...
[2022-01-10 11:57:10,976 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10" (1/1) ...
[2022-01-10 11:57:10,986 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10" (1/1) ...
[2022-01-10 11:57:10,997 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10" (1/1) ...
[2022-01-10 11:57:10,999 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10" (1/1) ...
[2022-01-10 11:57:11,002 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-10 11:57:11,003 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-10 11:57:11,003 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-10 11:57:11,003 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-10 11:57:11,004 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10" (1/1) ...
[2022-01-10 11:57:11,009 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 11:57:11,017 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 11:57:11,039 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-01-10 11:57:11,092 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-01-10 11:57:11,092 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-10 11:57:11,092 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2022-01-10 11:57:11,092 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2022-01-10 11:57:11,093 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-01-10 11:57:11,093 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2022-01-10 11:57:11,093 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-01-10 11:57:11,093 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-10 11:57:11,093 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-10 11:57:11,079 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-01-10 11:57:11,184 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-10 11:57:11,185 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-10 11:57:12,083 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-10 11:57:12,089 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-10 11:57:12,089 INFO  L299             CfgBuilder]: Removed 6 assume(true) statements.
[2022-01-10 11:57:12,090 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:57:12 BoogieIcfgContainer
[2022-01-10 11:57:12,090 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-10 11:57:12,093 INFO  L113        PluginConnector]: ------------------------IcfgTransformer----------------------------
[2022-01-10 11:57:12,093 INFO  L271        PluginConnector]: Initializing IcfgTransformer...
[2022-01-10 11:57:12,095 INFO  L275        PluginConnector]: IcfgTransformer initialized
[2022-01-10 11:57:12,097 INFO  L185        PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:57:12" (1/1) ...
[2022-01-10 11:57:12,223 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:57:12 BasicIcfg
[2022-01-10 11:57:12,223 INFO  L132        PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2022-01-10 11:57:12,224 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-10 11:57:12,224 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-10 11:57:12,233 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-10 11:57:12,233 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:57:10" (1/4) ...
[2022-01-10 11:57:12,233 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbc5d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:57:12, skipping insertion in model container
[2022-01-10 11:57:12,233 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:57:10" (2/4) ...
[2022-01-10 11:57:12,234 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbc5d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:57:12, skipping insertion in model container
[2022-01-10 11:57:12,234 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:57:12" (3/4) ...
[2022-01-10 11:57:12,234 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cbc5d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:57:12, skipping insertion in model container
[2022-01-10 11:57:12,234 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:57:12" (4/4) ...
[2022-01-10 11:57:12,235 INFO  L111   eAbstractionObserver]: Analyzing ICFG test_mutex_unlock_at_exit.iTransformedIcfg
[2022-01-10 11:57:12,239 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-10 11:57:12,239 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2022-01-10 11:57:12,285 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-10 11:57:12,293 INFO  L339      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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2022-01-10 11:57:12,293 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-01-10 11:57:12,304 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 79 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:12,309 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-01-10 11:57:12,310 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 11:57:12,310 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 11:57:12,311 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2022-01-10 11:57:12,314 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 11:57:12,315 INFO  L85        PathProgramCache]: Analyzing trace with hash 291966636, now seen corresponding path program 1 times
[2022-01-10 11:57:12,321 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 11:57:12,322 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737691026]
[2022-01-10 11:57:12,323 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 11:57:12,324 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 11:57:12,436 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 11:57:12,503 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 11:57:12,504 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 11:57:12,504 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737691026]
[2022-01-10 11:57:12,505 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737691026] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 11:57:12,505 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 11:57:12,506 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-10 11:57:12,507 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037389360]
[2022-01-10 11:57:12,507 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 11:57:12,510 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-01-10 11:57:12,511 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 11:57:12,537 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-01-10 11:57:12,537 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-10 11:57:12,539 INFO  L87              Difference]: Start difference. First operand  has 79 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 78 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:12,561 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 11:57:12,561 INFO  L93              Difference]: Finished difference Result 154 states and 207 transitions.
[2022-01-10 11:57:12,563 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-10 11:57:12,564 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2022-01-10 11:57:12,564 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 11:57:12,571 INFO  L225             Difference]: With dead ends: 154
[2022-01-10 11:57:12,571 INFO  L226             Difference]: Without dead ends: 74
[2022-01-10 11:57:12,581 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-10 11:57:12,584 INFO  L933         BasicCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-01-10 11:57:12,585 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 11:57:12,597 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 74 states.
[2022-01-10 11:57:12,611 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74.
[2022-01-10 11:57:12,612 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 74 states, 70 states have (on average 1.2428571428571429) internal successors, (87), 73 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:12,616 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions.
[2022-01-10 11:57:12,617 INFO  L78                 Accepts]: Start accepts. Automaton has 74 states and 87 transitions. Word has length 14
[2022-01-10 11:57:12,617 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 11:57:12,618 INFO  L470      AbstractCegarLoop]: Abstraction has 74 states and 87 transitions.
[2022-01-10 11:57:12,618 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:12,619 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions.
[2022-01-10 11:57:12,619 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-01-10 11:57:12,619 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 11:57:12,620 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 11:57:12,620 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-10 11:57:12,620 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2022-01-10 11:57:12,622 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 11:57:12,622 INFO  L85        PathProgramCache]: Analyzing trace with hash 238749133, now seen corresponding path program 1 times
[2022-01-10 11:57:12,622 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 11:57:12,622 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970625023]
[2022-01-10 11:57:12,623 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 11:57:12,623 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 11:57:12,693 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 11:57:12,780 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 11:57:12,781 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 11:57:12,781 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970625023]
[2022-01-10 11:57:12,781 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970625023] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 11:57:12,782 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 11:57:12,782 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-01-10 11:57:12,784 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910998645]
[2022-01-10 11:57:12,785 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 11:57:12,786 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-01-10 11:57:12,787 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 11:57:12,787 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-01-10 11:57:12,787 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-01-10 11:57:12,787 INFO  L87              Difference]: Start difference. First operand 74 states and 87 transitions. Second operand  has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:12,888 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 11:57:12,889 INFO  L93              Difference]: Finished difference Result 119 states and 135 transitions.
[2022-01-10 11:57:12,889 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-01-10 11:57:12,889 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2022-01-10 11:57:12,890 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 11:57:12,891 INFO  L225             Difference]: With dead ends: 119
[2022-01-10 11:57:12,915 INFO  L226             Difference]: Without dead ends: 115
[2022-01-10 11:57:12,916 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-01-10 11:57:12,916 INFO  L933         BasicCegarLoop]: 80 mSDtfsCounter, 38 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-01-10 11:57:12,917 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 223 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-01-10 11:57:12,917 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2022-01-10 11:57:12,921 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 78.
[2022-01-10 11:57:12,922 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 78 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 77 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:12,922 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions.
[2022-01-10 11:57:12,922 INFO  L78                 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 14
[2022-01-10 11:57:12,923 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 11:57:12,923 INFO  L470      AbstractCegarLoop]: Abstraction has 78 states and 91 transitions.
[2022-01-10 11:57:12,925 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:12,925 INFO  L276                IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions.
[2022-01-10 11:57:12,926 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-01-10 11:57:12,926 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 11:57:12,926 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 11:57:12,926 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-01-10 11:57:12,926 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2022-01-10 11:57:12,927 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 11:57:12,928 INFO  L85        PathProgramCache]: Analyzing trace with hash 239702445, now seen corresponding path program 1 times
[2022-01-10 11:57:12,928 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 11:57:12,929 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499181258]
[2022-01-10 11:57:12,929 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 11:57:12,929 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 11:57:13,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 11:57:13,185 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 11:57:13,185 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 11:57:13,186 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499181258]
[2022-01-10 11:57:13,186 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499181258] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 11:57:13,186 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 11:57:13,186 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-01-10 11:57:13,186 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422204218]
[2022-01-10 11:57:13,186 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 11:57:13,187 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-01-10 11:57:13,187 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 11:57:13,188 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-01-10 11:57:13,188 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-01-10 11:57:13,188 INFO  L87              Difference]: Start difference. First operand 78 states and 91 transitions. Second operand  has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:13,562 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 11:57:13,562 INFO  L93              Difference]: Finished difference Result 199 states and 230 transitions.
[2022-01-10 11:57:13,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-01-10 11:57:13,564 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2022-01-10 11:57:13,564 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 11:57:13,565 INFO  L225             Difference]: With dead ends: 199
[2022-01-10 11:57:13,565 INFO  L226             Difference]: Without dead ends: 130
[2022-01-10 11:57:13,565 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-01-10 11:57:13,566 INFO  L933         BasicCegarLoop]: 60 mSDtfsCounter, 118 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-01-10 11:57:13,566 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 145 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-01-10 11:57:13,567 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 130 states.
[2022-01-10 11:57:13,581 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 84.
[2022-01-10 11:57:13,583 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84 states, 81 states have (on average 1.1604938271604939) internal successors, (94), 83 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:13,585 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 94 transitions.
[2022-01-10 11:57:13,585 INFO  L78                 Accepts]: Start accepts. Automaton has 84 states and 94 transitions. Word has length 14
[2022-01-10 11:57:13,585 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 11:57:13,585 INFO  L470      AbstractCegarLoop]: Abstraction has 84 states and 94 transitions.
[2022-01-10 11:57:13,585 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:13,585 INFO  L276                IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions.
[2022-01-10 11:57:13,586 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2022-01-10 11:57:13,586 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 11:57:13,586 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 11:57:13,586 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-01-10 11:57:13,586 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2022-01-10 11:57:13,603 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 11:57:13,604 INFO  L85        PathProgramCache]: Analyzing trace with hash -326958314, now seen corresponding path program 1 times
[2022-01-10 11:57:13,604 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 11:57:13,605 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933997380]
[2022-01-10 11:57:13,605 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 11:57:13,606 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 11:57:14,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 11:57:15,113 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 11:57:15,113 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 11:57:15,113 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933997380]
[2022-01-10 11:57:15,113 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933997380] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 11:57:15,113 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 11:57:15,114 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2022-01-10 11:57:15,114 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365621818]
[2022-01-10 11:57:15,114 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 11:57:15,114 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2022-01-10 11:57:15,114 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 11:57:15,115 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2022-01-10 11:57:15,115 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182
[2022-01-10 11:57:15,115 INFO  L87              Difference]: Start difference. First operand 84 states and 94 transitions. Second operand  has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:16,495 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 11:57:16,495 INFO  L93              Difference]: Finished difference Result 170 states and 192 transitions.
[2022-01-10 11:57:16,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2022-01-10 11:57:16,495 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30
[2022-01-10 11:57:16,496 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 11:57:16,496 INFO  L225             Difference]: With dead ends: 170
[2022-01-10 11:57:16,496 INFO  L226             Difference]: Without dead ends: 131
[2022-01-10 11:57:16,497 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=120, Invalid=432, Unknown=0, NotChecked=0, Total=552
[2022-01-10 11:57:16,498 INFO  L933         BasicCegarLoop]: 76 mSDtfsCounter, 249 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2022-01-10 11:57:16,498 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 426 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2022-01-10 11:57:16,498 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 131 states.
[2022-01-10 11:57:16,508 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 86.
[2022-01-10 11:57:16,508 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 86 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 85 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:16,509 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions.
[2022-01-10 11:57:16,509 INFO  L78                 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 30
[2022-01-10 11:57:16,509 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 11:57:16,509 INFO  L470      AbstractCegarLoop]: Abstraction has 86 states and 97 transitions.
[2022-01-10 11:57:16,509 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 13 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-01-10 11:57:16,509 INFO  L276                IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions.
[2022-01-10 11:57:16,510 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2022-01-10 11:57:16,510 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 11:57:16,510 INFO  L514         BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 11:57:16,510 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-01-10 11:57:16,510 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] ===
[2022-01-10 11:57:16,510 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 11:57:16,510 INFO  L85        PathProgramCache]: Analyzing trace with hash 1479519117, now seen corresponding path program 1 times
[2022-01-10 11:57:16,511 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 11:57:16,511 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750249498]
[2022-01-10 11:57:16,511 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 11:57:16,511 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 11:57:16,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 11:57:17,737 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 11:57:17,737 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 11:57:17,737 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750249498]
[2022-01-10 11:57:17,737 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750249498] provided 0 perfect and 1 imperfect interpolant sequences
[2022-01-10 11:57:17,737 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122271126]
[2022-01-10 11:57:17,738 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 11:57:17,738 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-10 11:57:17,738 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 11:57:17,756 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-01-10 11:57:17,773 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-01-10 11:57:18,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 11:57:18,252 INFO  L263         TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 211 conjunts are in the unsatisfiable core
[2022-01-10 11:57:18,259 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 11:57:18,408 INFO  L353             Elim1Store]: treesize reduction 15, result has 25.0 percent of original size
[2022-01-10 11:57:18,409 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14
[2022-01-10 11:57:18,620 INFO  L353             Elim1Store]: treesize reduction 44, result has 30.2 percent of original size
[2022-01-10 11:57:18,622 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 27 treesize of output 36
[2022-01-10 11:57:19,211 INFO  L353             Elim1Store]: treesize reduction 16, result has 36.0 percent of original size
[2022-01-10 11:57:19,215 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18
[2022-01-10 11:57:19,563 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:19,580 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 243 treesize of output 198
[2022-01-10 11:57:19,591 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:19,592 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 11:57:19,600 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 73
[2022-01-10 11:57:19,624 INFO  L353             Elim1Store]: treesize reduction 232, result has 0.4 percent of original size
[2022-01-10 11:57:19,625 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 309 treesize of output 262
[2022-01-10 11:57:19,637 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 241 treesize of output 209
[2022-01-10 11:57:19,650 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:19,652 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:19,653 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:19,663 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 61
[2022-01-10 11:57:19,673 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:19,677 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41
[2022-01-10 11:57:19,688 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:19,690 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:19,691 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:19,691 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 11:57:19,696 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 48
[2022-01-10 11:57:19,707 INFO  L353             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2022-01-10 11:57:19,707 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 242 treesize of output 207
[2022-01-10 11:57:19,721 INFO  L353             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2022-01-10 11:57:19,721 INFO  L387             Elim1Store]: Elim1 did not use preprocessing 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 208 treesize of output 177
[2022-01-10 11:57:19,730 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 165 treesize of output 137
[2022-01-10 11:57:19,737 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:19,739 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 27
[2022-01-10 11:57:19,746 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11
[2022-01-10 11:57:19,762 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17
[2022-01-10 11:57:19,772 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15
[2022-01-10 11:57:19,795 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 32
[2022-01-10 11:57:19,801 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:19,802 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 7
[2022-01-10 11:57:20,575 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 11:57:20,576 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:20,578 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:20,579 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:20,581 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:20,583 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 11:57:20,584 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 11:57:20,593 INFO  L353             Elim1Store]: treesize reduction 14, result has 17.6 percent of original size
[2022-01-10 11:57:20,593 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 216 treesize of output 115
[2022-01-10 11:57:20,627 INFO  L353             Elim1Store]: treesize reduction 89, result has 8.2 percent of original size
[2022-01-10 11:57:20,627 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 14 case distinctions, treesize of input 125 treesize of output 80
[2022-01-10 11:57:20,729 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-01-10 11:57:20,730 INFO  L328         TraceCheckSpWp]: Computing backward predicates...