/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_NONE.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i


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


This is Ultimate 0.2.2-dev-a10ec3b
[2022-01-10 23:36:47,161 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-01-10 23:36:47,162 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-01-10 23:36:47,187 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-01-10 23:36:47,187 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-01-10 23:36:47,190 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-01-10 23:36:47,193 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-01-10 23:36:47,198 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-01-10 23:36:47,199 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-01-10 23:36:47,202 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-01-10 23:36:47,203 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-01-10 23:36:47,203 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-01-10 23:36:47,203 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-01-10 23:36:47,204 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-01-10 23:36:47,204 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-01-10 23:36:47,205 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-01-10 23:36:47,205 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-01-10 23:36:47,206 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-01-10 23:36:47,206 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-01-10 23:36:47,207 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-01-10 23:36:47,211 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-01-10 23:36:47,212 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-01-10 23:36:47,213 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-01-10 23:36:47,214 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-01-10 23:36:47,220 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-01-10 23:36:47,220 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-01-10 23:36:47,220 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-01-10 23:36:47,222 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-01-10 23:36:47,222 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-01-10 23:36:47,222 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-01-10 23:36:47,223 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-01-10 23:36:47,223 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-01-10 23:36:47,225 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-01-10 23:36:47,225 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-01-10 23:36:47,226 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-01-10 23:36:47,226 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-01-10 23:36:47,226 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-01-10 23:36:47,227 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-01-10 23:36:47,227 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-01-10 23:36:47,227 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-01-10 23:36:47,228 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-01-10 23:36:47,228 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_NONE.epf
[2022-01-10 23:36:47,268 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-01-10 23:36:47,269 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-01-10 23:36:47,269 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-01-10 23:36:47,269 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-01-10 23:36:47,270 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-01-10 23:36:47,270 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-01-10 23:36:47,270 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-01-10 23:36:47,270 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-01-10 23:36:47,270 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-01-10 23:36:47,270 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-01-10 23:36:47,271 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-01-10 23:36:47,271 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-01-10 23:36:47,271 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-01-10 23:36:47,271 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-01-10 23:36:47,271 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-01-10 23:36:47,272 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-01-10 23:36:47,272 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-01-10 23:36:47,272 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-01-10 23:36:47,272 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-01-10 23:36:47,272 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-01-10 23:36:47,272 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-01-10 23:36:47,273 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 23:36:47,273 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-01-10 23:36:47,273 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-01-10 23:36:47,273 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-01-10 23:36:47,273 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-01-10 23:36:47,273 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-01-10 23:36:47,273 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-01-10 23:36:47,273 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-01-10 23:36:47,273 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-01-10 23:36:47,274 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2022-01-10 23:36:47,274 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-01-10 23:36:47,275 INFO  L136        SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-01-10 23:36:47,275 INFO  L138        SettingsManager]:  * TransformationType=BV_TO_INT_NONE
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN;
[2022-01-10 23:36:47,483 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-01-10 23:36:47,505 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-01-10 23:36:47,507 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-01-10 23:36:47,507 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-01-10 23:36:47,508 INFO  L275        PluginConnector]: CDTParser initialized
[2022-01-10 23:36:47,509 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i
[2022-01-10 23:36:47,565 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e8301c7/e0fec04b031843d4a4d546d1d8f0901e/FLAG5a01fe8b7
[2022-01-10 23:36:47,934 INFO  L306              CDTParser]: Found 1 translation units.
[2022-01-10 23:36:47,934 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i
[2022-01-10 23:36:47,950 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e8301c7/e0fec04b031843d4a4d546d1d8f0901e/FLAG5a01fe8b7
[2022-01-10 23:36:48,295 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5e8301c7/e0fec04b031843d4a4d546d1d8f0901e
[2022-01-10 23:36:48,297 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-01-10 23:36:48,299 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-01-10 23:36:48,300 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-01-10 23:36:48,300 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-01-10 23:36:48,302 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-01-10 23:36:48,303 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:36:48" (1/1) ...
[2022-01-10 23:36:48,303 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@206487d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48, skipping insertion in model container
[2022-01-10 23:36:48,303 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 11:36:48" (1/1) ...
[2022-01-10 23:36:48,308 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-01-10 23:36:48,334 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-10 23:36:48,592 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_double_unlock.i[25842,25855]
[2022-01-10 23:36:48,594 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_double_unlock.i[25967,25980]
[2022-01-10 23:36:48,595 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_double_unlock.i[26082,26095]
[2022-01-10 23:36:48,596 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 23:36:48,607 INFO  L200         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2022-01-10 23:36:48,613 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-01-10 23:36:48,636 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_double_unlock.i[25842,25855]
[2022-01-10 23:36:48,637 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_double_unlock.i[25967,25980]
[2022-01-10 23:36:48,637 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_double_unlock.i[26082,26095]
[2022-01-10 23:36:48,638 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 23:36:48,639 INFO  L203         MainTranslator]: Completed pre-run
[2022-01-10 23:36:48,665 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_double_unlock.i[25842,25855]
[2022-01-10 23:36:48,666 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_double_unlock.i[25967,25980]
[2022-01-10 23:36:48,666 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_double_unlock.i[26082,26095]
[2022-01-10 23:36:48,667 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-01-10 23:36:48,685 INFO  L208         MainTranslator]: Completed translation
[2022-01-10 23:36:48,686 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48 WrapperNode
[2022-01-10 23:36:48,686 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-01-10 23:36:48,687 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-01-10 23:36:48,687 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-01-10 23:36:48,687 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-01-10 23:36:48,691 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48" (1/1) ...
[2022-01-10 23:36:48,702 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48" (1/1) ...
[2022-01-10 23:36:48,722 INFO  L137                Inliner]: procedures = 140, calls = 57, calls flagged for inlining = 26, calls inlined = 37, statements flattened = 377
[2022-01-10 23:36:48,723 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-01-10 23:36:48,723 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-01-10 23:36:48,723 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-01-10 23:36:48,723 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-01-10 23:36:48,740 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48" (1/1) ...
[2022-01-10 23:36:48,740 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48" (1/1) ...
[2022-01-10 23:36:48,745 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48" (1/1) ...
[2022-01-10 23:36:48,745 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48" (1/1) ...
[2022-01-10 23:36:48,756 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48" (1/1) ...
[2022-01-10 23:36:48,767 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48" (1/1) ...
[2022-01-10 23:36:48,769 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48" (1/1) ...
[2022-01-10 23:36:48,772 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-01-10 23:36:48,773 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-01-10 23:36:48,773 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-01-10 23:36:48,773 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-01-10 23:36:48,779 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48" (1/1) ...
[2022-01-10 23:36:48,791 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-01-10 23:36:48,801 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 23:36:48,811 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 23:36:48,817 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 23:36:48,838 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2022-01-10 23:36:48,839 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-01-10 23:36:48,839 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2022-01-10 23:36:48,839 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2022-01-10 23:36:48,840 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-01-10 23:36:48,840 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2022-01-10 23:36:48,840 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-01-10 23:36:48,840 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-01-10 23:36:48,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-01-10 23:36:48,995 INFO  L234             CfgBuilder]: Building ICFG
[2022-01-10 23:36:48,997 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-01-10 23:36:49,683 INFO  L275             CfgBuilder]: Performing block encoding
[2022-01-10 23:36:49,688 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-01-10 23:36:49,688 INFO  L299             CfgBuilder]: Removed 8 assume(true) statements.
[2022-01-10 23:36:49,690 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:36:49 BoogieIcfgContainer
[2022-01-10 23:36:49,690 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-01-10 23:36:49,690 INFO  L113        PluginConnector]: ------------------------IcfgTransformer----------------------------
[2022-01-10 23:36:49,690 INFO  L271        PluginConnector]: Initializing IcfgTransformer...
[2022-01-10 23:36:49,691 INFO  L275        PluginConnector]: IcfgTransformer initialized
[2022-01-10 23:36:49,693 INFO  L185        PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:36:49" (1/1) ...
[2022-01-10 23:36:49,827 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:36:49 BasicIcfg
[2022-01-10 23:36:49,827 INFO  L132        PluginConnector]: ------------------------ END IcfgTransformer----------------------------
[2022-01-10 23:36:49,828 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-01-10 23:36:49,828 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-01-10 23:36:49,830 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-01-10 23:36:49,830 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 11:36:48" (1/4) ...
[2022-01-10 23:36:49,844 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4753b380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:36:49, skipping insertion in model container
[2022-01-10 23:36:49,845 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 11:36:48" (2/4) ...
[2022-01-10 23:36:49,845 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4753b380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 11:36:49, skipping insertion in model container
[2022-01-10 23:36:49,845 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 11:36:49" (3/4) ...
[2022-01-10 23:36:49,845 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4753b380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 11:36:49, skipping insertion in model container
[2022-01-10 23:36:49,845 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 11:36:49" (4/4) ...
[2022-01-10 23:36:49,846 INFO  L111   eAbstractionObserver]: Analyzing ICFG test_mutex_double_unlock.iTransformedIcfg
[2022-01-10 23:36:49,850 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-01-10 23:36:49,850 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations.
[2022-01-10 23:36:49,878 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-01-10 23:36:49,882 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 23:36:49,882 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2022-01-10 23:36:49,891 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 95 states, 89 states have (on average 1.449438202247191) internal successors, (129), 94 states have internal predecessors, (129), 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 23:36:49,894 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-01-10 23:36:49,894 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 23:36:49,895 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 23:36:49,895 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-01-10 23:36:49,901 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 23:36:49,901 INFO  L85        PathProgramCache]: Analyzing trace with hash -523327796, now seen corresponding path program 1 times
[2022-01-10 23:36:49,906 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 23:36:49,907 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966024526]
[2022-01-10 23:36:49,907 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 23:36:49,907 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 23:36:50,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 23:36:50,079 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 23:36:50,080 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 23:36:50,080 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966024526]
[2022-01-10 23:36:50,080 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966024526] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 23:36:50,080 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 23:36:50,080 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-01-10 23:36:50,081 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162638663]
[2022-01-10 23:36:50,083 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 23:36:50,085 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-01-10 23:36:50,086 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 23:36:50,108 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-01-10 23:36:50,109 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-01-10 23:36:50,111 INFO  L87              Difference]: Start difference. First operand  has 95 states, 89 states have (on average 1.449438202247191) internal successors, (129), 94 states have internal predecessors, (129), 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 23:36:50,134 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 23:36:50,134 INFO  L93              Difference]: Finished difference Result 186 states and 253 transitions.
[2022-01-10 23:36:50,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-01-10 23:36:50,138 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 23:36:50,139 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 23:36:50,144 INFO  L225             Difference]: With dead ends: 186
[2022-01-10 23:36:50,145 INFO  L226             Difference]: Without dead ends: 90
[2022-01-10 23:36:50,153 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 23:36:50,156 INFO  L933         BasicCegarLoop]: 112 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, 112 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 23:36:50,157 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-01-10 23:36:50,167 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2022-01-10 23:36:50,182 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90.
[2022-01-10 23:36:50,183 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 90 states, 85 states have (on average 1.2588235294117647) internal successors, (107), 89 states have internal predecessors, (107), 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 23:36:50,188 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 107 transitions.
[2022-01-10 23:36:50,189 INFO  L78                 Accepts]: Start accepts. Automaton has 90 states and 107 transitions. Word has length 14
[2022-01-10 23:36:50,189 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 23:36:50,190 INFO  L470      AbstractCegarLoop]: Abstraction has 90 states and 107 transitions.
[2022-01-10 23:36:50,190 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 23:36:50,191 INFO  L276                IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions.
[2022-01-10 23:36:50,191 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-01-10 23:36:50,191 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 23:36:50,191 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 23:36:50,191 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-01-10 23:36:50,192 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-01-10 23:36:50,194 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 23:36:50,194 INFO  L85        PathProgramCache]: Analyzing trace with hash -576545299, now seen corresponding path program 1 times
[2022-01-10 23:36:50,194 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 23:36:50,195 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884011871]
[2022-01-10 23:36:50,195 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 23:36:50,196 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 23:36:50,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 23:36:50,330 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 23:36:50,330 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 23:36:50,330 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884011871]
[2022-01-10 23:36:50,330 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884011871] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 23:36:50,331 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 23:36:50,331 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-01-10 23:36:50,333 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496134840]
[2022-01-10 23:36:50,334 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 23:36:50,335 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-01-10 23:36:50,335 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 23:36:50,335 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-01-10 23:36:50,335 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-01-10 23:36:50,335 INFO  L87              Difference]: Start difference. First operand 90 states and 107 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 23:36:50,433 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 23:36:50,434 INFO  L93              Difference]: Finished difference Result 147 states and 169 transitions.
[2022-01-10 23:36:50,434 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-01-10 23:36:50,434 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 23:36:50,434 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 23:36:50,438 INFO  L225             Difference]: With dead ends: 147
[2022-01-10 23:36:50,438 INFO  L226             Difference]: Without dead ends: 143
[2022-01-10 23:36:50,439 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 23:36:50,439 INFO  L933         BasicCegarLoop]: 99 mSDtfsCounter, 51 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-01-10 23:36:50,440 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 277 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-01-10 23:36:50,440 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 143 states.
[2022-01-10 23:36:50,445 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 94.
[2022-01-10 23:36:50,445 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 89 states have (on average 1.247191011235955) internal successors, (111), 93 states have internal predecessors, (111), 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 23:36:50,446 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 111 transitions.
[2022-01-10 23:36:50,446 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 111 transitions. Word has length 14
[2022-01-10 23:36:50,446 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 23:36:50,446 INFO  L470      AbstractCegarLoop]: Abstraction has 94 states and 111 transitions.
[2022-01-10 23:36:50,446 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 23:36:50,446 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions.
[2022-01-10 23:36:50,447 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-01-10 23:36:50,447 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 23:36:50,447 INFO  L514         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-01-10 23:36:50,447 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-01-10 23:36:50,447 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-01-10 23:36:50,447 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 23:36:50,447 INFO  L85        PathProgramCache]: Analyzing trace with hash -575591987, now seen corresponding path program 1 times
[2022-01-10 23:36:50,448 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 23:36:50,448 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596175579]
[2022-01-10 23:36:50,448 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 23:36:50,448 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 23:36:50,536 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 23:36:50,659 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 23:36:50,659 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 23:36:50,660 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596175579]
[2022-01-10 23:36:50,660 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596175579] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 23:36:50,660 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 23:36:50,660 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2022-01-10 23:36:50,660 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482695613]
[2022-01-10 23:36:50,660 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 23:36:50,660 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-01-10 23:36:50,661 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 23:36:50,661 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-01-10 23:36:50,661 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-01-10 23:36:50,661 INFO  L87              Difference]: Start difference. First operand 94 states and 111 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 23:36:51,078 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 23:36:51,078 INFO  L93              Difference]: Finished difference Result 255 states and 299 transitions.
[2022-01-10 23:36:51,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-01-10 23:36:51,079 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 23:36:51,079 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 23:36:51,080 INFO  L225             Difference]: With dead ends: 255
[2022-01-10 23:36:51,080 INFO  L226             Difference]: Without dead ends: 170
[2022-01-10 23:36:51,080 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 23:36:51,081 INFO  L933         BasicCegarLoop]: 74 mSDtfsCounter, 156 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-01-10 23:36:51,081 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 187 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-01-10 23:36:51,082 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 170 states.
[2022-01-10 23:36:51,091 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 110.
[2022-01-10 23:36:51,091 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 110 states, 106 states have (on average 1.1981132075471699) internal successors, (127), 109 states have internal predecessors, (127), 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 23:36:51,092 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions.
[2022-01-10 23:36:51,092 INFO  L78                 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 14
[2022-01-10 23:36:51,092 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 23:36:51,092 INFO  L470      AbstractCegarLoop]: Abstraction has 110 states and 127 transitions.
[2022-01-10 23:36:51,092 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 23:36:51,092 INFO  L276                IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions.
[2022-01-10 23:36:51,093 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2022-01-10 23:36:51,093 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 23:36:51,093 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 23:36:51,093 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-01-10 23:36:51,093 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-01-10 23:36:51,094 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 23:36:51,094 INFO  L85        PathProgramCache]: Analyzing trace with hash -1831308746, now seen corresponding path program 1 times
[2022-01-10 23:36:51,094 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 23:36:51,094 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709800117]
[2022-01-10 23:36:51,094 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 23:36:51,094 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 23:36:51,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 23:36:52,637 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 23:36:52,638 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 23:36:52,638 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709800117]
[2022-01-10 23:36:52,638 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709800117] provided 1 perfect and 0 imperfect interpolant sequences
[2022-01-10 23:36:52,638 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-01-10 23:36:52,638 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15
[2022-01-10 23:36:52,638 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525746984]
[2022-01-10 23:36:52,638 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-01-10 23:36:52,639 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2022-01-10 23:36:52,639 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-01-10 23:36:52,639 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2022-01-10 23:36:52,639 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240
[2022-01-10 23:36:52,639 INFO  L87              Difference]: Start difference. First operand 110 states and 127 transitions. Second operand  has 16 states, 16 states have (on average 1.875) internal successors, (30), 15 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 23:36:56,229 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-01-10 23:36:56,229 INFO  L93              Difference]: Finished difference Result 228 states and 264 transitions.
[2022-01-10 23:36:56,229 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2022-01-10 23:36:56,230 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 1.875) internal successors, (30), 15 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 23:36:56,230 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-01-10 23:36:56,231 INFO  L225             Difference]: With dead ends: 228
[2022-01-10 23:36:56,231 INFO  L226             Difference]: Without dead ends: 173
[2022-01-10 23:36:56,231 INFO  L932         BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702
[2022-01-10 23:36:56,232 INFO  L933         BasicCegarLoop]: 96 mSDtfsCounter, 328 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2022-01-10 23:36:56,232 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [328 Valid, 905 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2022-01-10 23:36:56,233 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 173 states.
[2022-01-10 23:36:56,245 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 112.
[2022-01-10 23:36:56,246 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 112 states, 108 states have (on average 1.2037037037037037) internal successors, (130), 111 states have internal predecessors, (130), 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 23:36:56,246 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions.
[2022-01-10 23:36:56,246 INFO  L78                 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 30
[2022-01-10 23:36:56,246 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-01-10 23:36:56,246 INFO  L470      AbstractCegarLoop]: Abstraction has 112 states and 130 transitions.
[2022-01-10 23:36:56,247 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 1.875) internal successors, (30), 15 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 23:36:56,247 INFO  L276                IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions.
[2022-01-10 23:36:56,264 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2022-01-10 23:36:56,264 INFO  L506         BasicCegarLoop]: Found error trace
[2022-01-10 23:36:56,264 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 23:36:56,264 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-01-10 23:36:56,265 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2022-01-10 23:36:56,265 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-01-10 23:36:56,266 INFO  L85        PathProgramCache]: Analyzing trace with hash -935379516, now seen corresponding path program 1 times
[2022-01-10 23:36:56,266 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-01-10 23:36:56,266 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576357097]
[2022-01-10 23:36:56,266 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 23:36:56,266 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-01-10 23:36:56,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 23:36:57,284 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 23:36:57,284 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-01-10 23:36:57,285 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576357097]
[2022-01-10 23:36:57,285 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576357097] provided 0 perfect and 1 imperfect interpolant sequences
[2022-01-10 23:36:57,285 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319981510]
[2022-01-10 23:36:57,285 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-01-10 23:36:57,285 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-01-10 23:36:57,285 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-01-10 23:36:57,290 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 23:36:57,293 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 23:36:57,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-01-10 23:36:57,608 INFO  L263         TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 150 conjunts are in the unsatisfiable core
[2022-01-10 23:36:57,615 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-01-10 23:36:57,922 INFO  L353             Elim1Store]: treesize reduction 54, result has 34.1 percent of original size
[2022-01-10 23:36:57,923 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 47
[2022-01-10 23:36:58,276 INFO  L353             Elim1Store]: treesize reduction 54, result has 34.1 percent of original size
[2022-01-10 23:36:58,278 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 48
[2022-01-10 23:36:58,929 INFO  L353             Elim1Store]: treesize reduction 12, result has 52.0 percent of original size
[2022-01-10 23:36:58,930 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 27
[2022-01-10 23:36:59,219 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 23:36:59,232 INFO  L353             Elim1Store]: treesize reduction 130, result has 0.8 percent of original size
[2022-01-10 23:36:59,232 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 228 treesize of output 196
[2022-01-10 23:36:59,242 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 23:36:59,243 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 23:36:59,247 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 52
[2022-01-10 23:36:59,255 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 214 treesize of output 182
[2022-01-10 23:36:59,282 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 23:36:59,284 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 23:36:59,285 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 23:36:59,286 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 23:36:59,287 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 118
[2022-01-10 23:36:59,296 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 144
[2022-01-10 23:36:59,305 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 40 treesize of output 34
[2022-01-10 23:36:59,314 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 23:36:59,315 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 135
[2022-01-10 23:36:59,323 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 23:36:59,326 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 27 treesize of output 35
[2022-01-10 23:36:59,334 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 12 treesize of output 11
[2022-01-10 23:36:59,342 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 18 treesize of output 17
[2022-01-10 23:36:59,409 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 23:36:59,410 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 31 treesize of output 19
[2022-01-10 23:36:59,478 INFO  L353             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2022-01-10 23:36:59,478 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 84 treesize of output 69
[2022-01-10 23:36:59,483 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 61 treesize of output 47
[2022-01-10 23:37:00,392 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 23:37:00,393 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 23:37:00,394 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2022-01-10 23:37:00,395 INFO  L173   IndexEqualityManager]: detected equality via solver
[2022-01-10 23:37:00,416 INFO  L353             Elim1Store]: treesize reduction 104, result has 9.6 percent of original size
[2022-01-10 23:37:00,416 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 232 treesize of output 121
[2022-01-10 23:37:00,450 INFO  L353             Elim1Store]: treesize reduction 22, result has 12.0 percent of original size
[2022-01-10 23:37:00,451 INFO  L387             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 65
[2022-01-10 23:37:00,529 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 23:37:00,529 INFO  L328         TraceCheckSpWp]: Computing backward predicates...