/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-2.i


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


This is Ultimate 0.1.25-b09bf87
[2020-10-16 10:51:08,065 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-16 10:51:08,067 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-16 10:51:08,091 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-16 10:51:08,092 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-16 10:51:08,093 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-16 10:51:08,095 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2020-10-16 10:51:08,105 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-16 10:51:08,106 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-16 10:51:08,107 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-16 10:51:08,108 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-16 10:51:08,110 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-16 10:51:08,112 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-16 10:51:08,113 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-16 10:51:08,114 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-16 10:51:08,115 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-16 10:51:08,118 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2020-10-16 10:51:08,118 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-16 10:51:08,119 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2020-10-16 10:51:08,121 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2020-10-16 10:51:08,126 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2020-10-16 10:51:08,128 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-16 10:51:08,129 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-10-16 10:51:08,169 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-16 10:51:08,169 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-16 10:51:08,171 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-16 10:51:08,171 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-16 10:51:08,171 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-16 10:51:08,172 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-16 10:51:08,172 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-16 10:51:08,172 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-16 10:51:08,173 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-16 10:51:08,173 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-16 10:51:08,174 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-16 10:51:08,174 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-16 10:51:08,174 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-16 10:51:08,175 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-16 10:51:08,176 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-16 10:51:08,176 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-16 10:51:08,176 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-16 10:51:08,176 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-16 10:51:08,177 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-16 10:51:08,177 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-16 10:51:08,177 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-16 10:51:08,177 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 10:51:08,177 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-16 10:51:08,178 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-10-16 10:51:08,178 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-16 10:51:08,178 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-16 10:51:08,178 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-16 10:51:08,179 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-16 10:51:08,179 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-10-16 10:51:08,179 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-10-16 10:51:08,490 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-16 10:51:08,506 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-16 10:51:08,509 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-16 10:51:08,511 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-16 10:51:08,511 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-16 10:51:08,512 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i
[2020-10-16 10:51:08,581 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a98a3630/6c2439c5ec57415a9b237669bc3499e6/FLAGcb5680a07
[2020-10-16 10:51:09,147 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-16 10:51:09,147 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/stack_longest-2.i
[2020-10-16 10:51:09,176 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a98a3630/6c2439c5ec57415a9b237669bc3499e6/FLAGcb5680a07
[2020-10-16 10:51:09,408 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2a98a3630/6c2439c5ec57415a9b237669bc3499e6
[2020-10-16 10:51:09,418 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-16 10:51:09,420 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2020-10-16 10:51:09,420 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-16 10:51:09,421 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-16 10:51:09,424 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-16 10:51:09,425 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:51:09" (1/1) ...
[2020-10-16 10:51:09,429 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a052c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:09, skipping insertion in model container
[2020-10-16 10:51:09,429 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:51:09" (1/1) ...
[2020-10-16 10:51:09,437 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-16 10:51:09,499 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-16 10:51:10,188 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 10:51:10,206 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-16 10:51:10,253 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-16 10:51:10,441 INFO  L208         MainTranslator]: Completed translation
[2020-10-16 10:51:10,442 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10 WrapperNode
[2020-10-16 10:51:10,442 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-16 10:51:10,443 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2020-10-16 10:51:10,444 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2020-10-16 10:51:10,444 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2020-10-16 10:51:10,454 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ...
[2020-10-16 10:51:10,476 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ...
[2020-10-16 10:51:10,506 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2020-10-16 10:51:10,507 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-16 10:51:10,507 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-16 10:51:10,507 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-16 10:51:10,518 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ...
[2020-10-16 10:51:10,518 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ...
[2020-10-16 10:51:10,522 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ...
[2020-10-16 10:51:10,523 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ...
[2020-10-16 10:51:10,532 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ...
[2020-10-16 10:51:10,538 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ...
[2020-10-16 10:51:10,541 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ...
[2020-10-16 10:51:10,545 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-16 10:51:10,546 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-16 10:51:10,546 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-16 10:51:10,546 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-16 10:51:10,547 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-16 10:51:10,617 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2020-10-16 10:51:10,618 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2020-10-16 10:51:10,618 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2020-10-16 10:51:10,618 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2020-10-16 10:51:10,618 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-16 10:51:10,619 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-16 10:51:10,619 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-10-16 10:51:10,620 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-16 10:51:10,620 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2020-10-16 10:51:10,621 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-16 10:51:10,621 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-16 10:51:10,621 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-16 10:51:10,625 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2020-10-16 10:51:11,195 INFO  L293             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-10-16 10:51:11,196 INFO  L298             CfgBuilder]: Removed 24 assume(true) statements.
[2020-10-16 10:51:11,199 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:51:11 BoogieIcfgContainer
[2020-10-16 10:51:11,199 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-10-16 10:51:11,201 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-10-16 10:51:11,201 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-10-16 10:51:11,205 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-10-16 10:51:11,205 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:51:09" (1/3) ...
[2020-10-16 10:51:11,207 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556698a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:51:11, skipping insertion in model container
[2020-10-16 10:51:11,207 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:51:10" (2/3) ...
[2020-10-16 10:51:11,207 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556698a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:51:11, skipping insertion in model container
[2020-10-16 10:51:11,208 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:51:11" (3/3) ...
[2020-10-16 10:51:11,210 INFO  L111   eAbstractionObserver]: Analyzing ICFG stack_longest-2.i
[2020-10-16 10:51:11,224 WARN  L153   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2020-10-16 10:51:11,225 INFO  L164   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2020-10-16 10:51:11,234 INFO  L176   ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations.
[2020-10-16 10:51:11,236 INFO  L348   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2020-10-16 10:51:11,277 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,277 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,277 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,278 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,278 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,278 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,279 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,279 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,279 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,280 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,280 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,280 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,281 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,281 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,281 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,281 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,282 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,282 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,282 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,282 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,282 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,283 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,283 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,283 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,284 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,284 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,284 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,284 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,285 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,285 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,285 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,285 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,286 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,286 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,286 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,287 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,287 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,287 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,287 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,288 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,288 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,288 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,289 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,289 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,289 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,289 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,290 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,290 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,290 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,291 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,293 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,293 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,293 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,293 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,294 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,294 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,294 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,294 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,311 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,311 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,311 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,311 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,311 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,312 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,312 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,312 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,314 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,314 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,318 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,318 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,318 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,319 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,319 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,319 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,319 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,320 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,320 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,320 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,320 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,320 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,322 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,322 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,323 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,323 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,323 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,324 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,325 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,326 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,326 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,326 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,326 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,326 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,327 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,327 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,327 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,327 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,328 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,328 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,328 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,329 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,329 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,329 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,330 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,333 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,334 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,335 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,335 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,342 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,343 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,343 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,343 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,343 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,344 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,344 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,344 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,344 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,345 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,345 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,345 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,345 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,345 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,345 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,346 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,349 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,350 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret43| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,350 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,350 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,350 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,350 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,351 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,351 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,351 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,351 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,351 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,351 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,352 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,352 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,352 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,352 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post40| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,352 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,353 WARN  L313   ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,353 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,353 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,353 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,353 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,353 WARN  L313   ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,359 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret38| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,359 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,359 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet45| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,359 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,359 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post44| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,360 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,360 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,360 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,360 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,360 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret46| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,361 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,361 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,361 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,361 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem39| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,361 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,362 WARN  L313   ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,362 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,362 WARN  L313   ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes.
[2020-10-16 10:51:11,368 INFO  L149    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2020-10-16 10:51:11,382 INFO  L253      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2020-10-16 10:51:11,402 INFO  L377      AbstractCegarLoop]: Interprodecural is true
[2020-10-16 10:51:11,402 INFO  L378      AbstractCegarLoop]: Hoare is true
[2020-10-16 10:51:11,402 INFO  L379      AbstractCegarLoop]: Compute interpolants for FPandBP
[2020-10-16 10:51:11,402 INFO  L380      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-10-16 10:51:11,403 INFO  L381      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-10-16 10:51:11,403 INFO  L382      AbstractCegarLoop]: Difference is false
[2020-10-16 10:51:11,403 INFO  L383      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-10-16 10:51:11,403 INFO  L387      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-10-16 10:51:11,418 INFO  L129   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2020-10-16 10:51:11,421 INFO  L144   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 138 transitions, 298 flow
[2020-10-16 10:51:11,424 INFO  L111        LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 138 transitions, 298 flow
[2020-10-16 10:51:11,426 INFO  L71            FinitePrefix]: Start finitePrefix. Operand has 133 places, 138 transitions, 298 flow
[2020-10-16 10:51:11,489 INFO  L129       PetriNetUnfolder]: 11/138 cut-off events.
[2020-10-16 10:51:11,490 INFO  L130       PetriNetUnfolder]: For 4/4 co-relation queries the response was YES.
[2020-10-16 10:51:11,498 INFO  L80            FinitePrefix]: Finished finitePrefix Result has 149 conditions, 138 events. 11/138 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 342 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 106. Up to 3 conditions per place. 
[2020-10-16 10:51:11,504 INFO  L117        LiptonReduction]: Number of co-enabled transitions 5744
[2020-10-16 10:51:14,647 WARN  L193               SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99
[2020-10-16 10:51:14,853 WARN  L193               SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 95
[2020-10-16 10:51:15,225 WARN  L193               SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 106
[2020-10-16 10:51:15,434 WARN  L193               SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 104
[2020-10-16 10:51:15,448 INFO  L132        LiptonReduction]: Checked pairs total: 10440
[2020-10-16 10:51:15,449 INFO  L134        LiptonReduction]: Total number of compositions: 123
[2020-10-16 10:51:15,457 INFO  L100   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow
[2020-10-16 10:51:15,485 INFO  L122   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 331 states.
[2020-10-16 10:51:15,487 INFO  L276                IsEmpty]: Start isEmpty. Operand 331 states.
[2020-10-16 10:51:15,495 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2020-10-16 10:51:15,496 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:15,497 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2020-10-16 10:51:15,497 INFO  L429      AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:15,503 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:15,504 INFO  L82        PathProgramCache]: Analyzing trace with hash -290275557, now seen corresponding path program 1 times
[2020-10-16 10:51:15,515 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:15,516 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469396499]
[2020-10-16 10:51:15,516 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:15,663 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:15,746 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:15,747 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469396499]
[2020-10-16 10:51:15,748 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 10:51:15,748 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 10:51:15,749 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334651923]
[2020-10-16 10:51:15,754 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 10:51:15,755 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 10:51:15,771 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 10:51:15,772 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 10:51:15,774 INFO  L87              Difference]: Start difference. First operand 331 states. Second operand 3 states.
[2020-10-16 10:51:15,854 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 10:51:15,854 INFO  L93              Difference]: Finished difference Result 504 states and 1247 transitions.
[2020-10-16 10:51:15,855 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 10:51:15,856 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 6
[2020-10-16 10:51:15,857 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 10:51:15,883 INFO  L225             Difference]: With dead ends: 504
[2020-10-16 10:51:15,883 INFO  L226             Difference]: Without dead ends: 460
[2020-10-16 10:51:15,885 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 10:51:15,909 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 460 states.
[2020-10-16 10:51:15,964 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 420.
[2020-10-16 10:51:15,966 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 420 states.
[2020-10-16 10:51:15,969 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 1090 transitions.
[2020-10-16 10:51:15,971 INFO  L78                 Accepts]: Start accepts. Automaton has 420 states and 1090 transitions. Word has length 6
[2020-10-16 10:51:15,971 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 10:51:15,971 INFO  L481      AbstractCegarLoop]: Abstraction has 420 states and 1090 transitions.
[2020-10-16 10:51:15,971 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 10:51:15,971 INFO  L276                IsEmpty]: Start isEmpty. Operand 420 states and 1090 transitions.
[2020-10-16 10:51:15,973 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-10-16 10:51:15,973 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:15,973 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 10:51:15,973 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-10-16 10:51:15,974 INFO  L429      AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:15,974 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:15,974 INFO  L82        PathProgramCache]: Analyzing trace with hash -1518668221, now seen corresponding path program 1 times
[2020-10-16 10:51:15,974 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:15,975 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825730269]
[2020-10-16 10:51:15,975 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:16,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:16,070 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:16,071 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825730269]
[2020-10-16 10:51:16,071 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 10:51:16,072 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2020-10-16 10:51:16,072 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674834309]
[2020-10-16 10:51:16,074 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 10:51:16,075 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 10:51:16,075 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 10:51:16,075 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 10:51:16,075 INFO  L87              Difference]: Start difference. First operand 420 states and 1090 transitions. Second operand 3 states.
[2020-10-16 10:51:16,111 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 10:51:16,111 INFO  L93              Difference]: Finished difference Result 464 states and 1200 transitions.
[2020-10-16 10:51:16,112 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 10:51:16,112 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 10
[2020-10-16 10:51:16,112 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 10:51:16,117 INFO  L225             Difference]: With dead ends: 464
[2020-10-16 10:51:16,117 INFO  L226             Difference]: Without dead ends: 464
[2020-10-16 10:51:16,118 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 10:51:16,121 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 464 states.
[2020-10-16 10:51:16,150 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464.
[2020-10-16 10:51:16,150 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 464 states.
[2020-10-16 10:51:16,153 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 1200 transitions.
[2020-10-16 10:51:16,154 INFO  L78                 Accepts]: Start accepts. Automaton has 464 states and 1200 transitions. Word has length 10
[2020-10-16 10:51:16,154 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 10:51:16,154 INFO  L481      AbstractCegarLoop]: Abstraction has 464 states and 1200 transitions.
[2020-10-16 10:51:16,154 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 10:51:16,154 INFO  L276                IsEmpty]: Start isEmpty. Operand 464 states and 1200 transitions.
[2020-10-16 10:51:16,156 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2020-10-16 10:51:16,156 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:16,156 INFO  L422         BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 10:51:16,157 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-10-16 10:51:16,157 INFO  L429      AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:16,157 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:16,157 INFO  L82        PathProgramCache]: Analyzing trace with hash 542344755, now seen corresponding path program 1 times
[2020-10-16 10:51:16,158 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:16,158 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745672586]
[2020-10-16 10:51:16,158 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:16,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:16,268 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:16,268 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745672586]
[2020-10-16 10:51:16,269 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120435278]
[2020-10-16 10:51:16,269 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 10:51:16,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:16,363 INFO  L263         TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjunts are in the unsatisfiable core
[2020-10-16 10:51:16,369 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-10-16 10:51:16,405 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:16,406 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-10-16 10:51:16,406 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4
[2020-10-16 10:51:16,407 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450665394]
[2020-10-16 10:51:16,407 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-10-16 10:51:16,407 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 10:51:16,408 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-10-16 10:51:16,408 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-10-16 10:51:16,408 INFO  L87              Difference]: Start difference. First operand 464 states and 1200 transitions. Second operand 5 states.
[2020-10-16 10:51:16,549 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 10:51:16,550 INFO  L93              Difference]: Finished difference Result 741 states and 1849 transitions.
[2020-10-16 10:51:16,554 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2020-10-16 10:51:16,555 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 13
[2020-10-16 10:51:16,555 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 10:51:16,563 INFO  L225             Difference]: With dead ends: 741
[2020-10-16 10:51:16,563 INFO  L226             Difference]: Without dead ends: 741
[2020-10-16 10:51:16,564 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2020-10-16 10:51:16,567 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 741 states.
[2020-10-16 10:51:16,596 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 575.
[2020-10-16 10:51:16,597 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 575 states.
[2020-10-16 10:51:16,600 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 1484 transitions.
[2020-10-16 10:51:16,601 INFO  L78                 Accepts]: Start accepts. Automaton has 575 states and 1484 transitions. Word has length 13
[2020-10-16 10:51:16,601 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 10:51:16,601 INFO  L481      AbstractCegarLoop]: Abstraction has 575 states and 1484 transitions.
[2020-10-16 10:51:16,602 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-10-16 10:51:16,602 INFO  L276                IsEmpty]: Start isEmpty. Operand 575 states and 1484 transitions.
[2020-10-16 10:51:16,605 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2020-10-16 10:51:16,605 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:16,605 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 10:51:16,822 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2020-10-16 10:51:16,823 INFO  L429      AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:16,824 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:16,824 INFO  L82        PathProgramCache]: Analyzing trace with hash 843892794, now seen corresponding path program 1 times
[2020-10-16 10:51:16,825 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:16,826 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369041178]
[2020-10-16 10:51:16,827 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:16,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:16,947 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:16,948 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369041178]
[2020-10-16 10:51:16,948 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 10:51:16,948 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 10:51:16,948 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443361401]
[2020-10-16 10:51:16,949 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 10:51:16,949 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 10:51:16,949 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 10:51:16,949 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 10:51:16,950 INFO  L87              Difference]: Start difference. First operand 575 states and 1484 transitions. Second operand 3 states.
[2020-10-16 10:51:16,969 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 10:51:16,970 INFO  L93              Difference]: Finished difference Result 304 states and 670 transitions.
[2020-10-16 10:51:16,970 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 10:51:16,970 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 16
[2020-10-16 10:51:16,971 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 10:51:16,973 INFO  L225             Difference]: With dead ends: 304
[2020-10-16 10:51:16,973 INFO  L226             Difference]: Without dead ends: 304
[2020-10-16 10:51:16,973 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 10:51:16,974 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 304 states.
[2020-10-16 10:51:16,981 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 294.
[2020-10-16 10:51:16,981 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 294 states.
[2020-10-16 10:51:16,983 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 643 transitions.
[2020-10-16 10:51:16,983 INFO  L78                 Accepts]: Start accepts. Automaton has 294 states and 643 transitions. Word has length 16
[2020-10-16 10:51:16,983 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 10:51:16,983 INFO  L481      AbstractCegarLoop]: Abstraction has 294 states and 643 transitions.
[2020-10-16 10:51:16,983 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 10:51:16,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 294 states and 643 transitions.
[2020-10-16 10:51:16,985 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2020-10-16 10:51:16,986 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:16,986 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 10:51:16,986 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2020-10-16 10:51:16,986 INFO  L429      AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:16,986 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:16,987 INFO  L82        PathProgramCache]: Analyzing trace with hash -960478475, now seen corresponding path program 1 times
[2020-10-16 10:51:16,987 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:16,987 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854020580]
[2020-10-16 10:51:16,987 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:17,007 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:17,030 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:17,030 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854020580]
[2020-10-16 10:51:17,031 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 10:51:17,031 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-10-16 10:51:17,031 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004584461]
[2020-10-16 10:51:17,031 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-10-16 10:51:17,032 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 10:51:17,032 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-10-16 10:51:17,032 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 10:51:17,032 INFO  L87              Difference]: Start difference. First operand 294 states and 643 transitions. Second operand 3 states.
[2020-10-16 10:51:17,065 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 10:51:17,065 INFO  L93              Difference]: Finished difference Result 372 states and 811 transitions.
[2020-10-16 10:51:17,065 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2020-10-16 10:51:17,066 INFO  L78                 Accepts]: Start accepts. Automaton has 3 states. Word has length 17
[2020-10-16 10:51:17,066 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 10:51:17,068 INFO  L225             Difference]: With dead ends: 372
[2020-10-16 10:51:17,068 INFO  L226             Difference]: Without dead ends: 372
[2020-10-16 10:51:17,069 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-10-16 10:51:17,070 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 372 states.
[2020-10-16 10:51:17,076 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 295.
[2020-10-16 10:51:17,076 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 295 states.
[2020-10-16 10:51:17,077 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 647 transitions.
[2020-10-16 10:51:17,078 INFO  L78                 Accepts]: Start accepts. Automaton has 295 states and 647 transitions. Word has length 17
[2020-10-16 10:51:17,079 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 10:51:17,079 INFO  L481      AbstractCegarLoop]: Abstraction has 295 states and 647 transitions.
[2020-10-16 10:51:17,079 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-10-16 10:51:17,079 INFO  L276                IsEmpty]: Start isEmpty. Operand 295 states and 647 transitions.
[2020-10-16 10:51:17,081 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2020-10-16 10:51:17,081 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:17,081 INFO  L422         BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1]
[2020-10-16 10:51:17,081 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2020-10-16 10:51:17,081 INFO  L429      AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:17,082 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:17,082 INFO  L82        PathProgramCache]: Analyzing trace with hash -1582230501, now seen corresponding path program 2 times
[2020-10-16 10:51:17,082 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:17,082 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224824355]
[2020-10-16 10:51:17,083 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:17,108 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:17,207 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:17,208 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224824355]
[2020-10-16 10:51:17,208 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002527481]
[2020-10-16 10:51:17,208 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 10:51:17,301 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2020-10-16 10:51:17,301 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-10-16 10:51:17,303 INFO  L263         TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 6 conjunts are in the unsatisfiable core
[2020-10-16 10:51:17,306 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-10-16 10:51:17,341 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:17,341 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-10-16 10:51:17,342 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6
[2020-10-16 10:51:17,342 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042748300]
[2020-10-16 10:51:17,343 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 7 states
[2020-10-16 10:51:17,343 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 10:51:17,343 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2020-10-16 10:51:17,343 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2020-10-16 10:51:17,344 INFO  L87              Difference]: Start difference. First operand 295 states and 647 transitions. Second operand 7 states.
[2020-10-16 10:51:17,439 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 10:51:17,440 INFO  L93              Difference]: Finished difference Result 496 states and 1064 transitions.
[2020-10-16 10:51:17,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-10-16 10:51:17,440 INFO  L78                 Accepts]: Start accepts. Automaton has 7 states. Word has length 20
[2020-10-16 10:51:17,441 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 10:51:17,444 INFO  L225             Difference]: With dead ends: 496
[2020-10-16 10:51:17,444 INFO  L226             Difference]: Without dead ends: 496
[2020-10-16 10:51:17,445 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2020-10-16 10:51:17,446 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 496 states.
[2020-10-16 10:51:17,455 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 372.
[2020-10-16 10:51:17,456 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 372 states.
[2020-10-16 10:51:17,458 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 816 transitions.
[2020-10-16 10:51:17,458 INFO  L78                 Accepts]: Start accepts. Automaton has 372 states and 816 transitions. Word has length 20
[2020-10-16 10:51:17,458 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 10:51:17,459 INFO  L481      AbstractCegarLoop]: Abstraction has 372 states and 816 transitions.
[2020-10-16 10:51:17,459 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 7 states.
[2020-10-16 10:51:17,459 INFO  L276                IsEmpty]: Start isEmpty. Operand 372 states and 816 transitions.
[2020-10-16 10:51:17,460 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2020-10-16 10:51:17,460 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:17,460 INFO  L422         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 10:51:17,673 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 10:51:17,674 INFO  L429      AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:17,674 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:17,675 INFO  L82        PathProgramCache]: Analyzing trace with hash 69417077, now seen corresponding path program 1 times
[2020-10-16 10:51:17,675 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:17,675 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110021738]
[2020-10-16 10:51:17,676 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:17,736 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:18,047 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:18,047 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110021738]
[2020-10-16 10:51:18,048 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 10:51:18,048 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2020-10-16 10:51:18,048 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921140339]
[2020-10-16 10:51:18,048 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-10-16 10:51:18,049 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 10:51:18,049 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-10-16 10:51:18,049 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2020-10-16 10:51:18,049 INFO  L87              Difference]: Start difference. First operand 372 states and 816 transitions. Second operand 9 states.
[2020-10-16 10:51:18,323 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 10:51:18,324 INFO  L93              Difference]: Finished difference Result 643 states and 1378 transitions.
[2020-10-16 10:51:18,324 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2020-10-16 10:51:18,325 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 21
[2020-10-16 10:51:18,325 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 10:51:18,330 INFO  L225             Difference]: With dead ends: 643
[2020-10-16 10:51:18,330 INFO  L226             Difference]: Without dead ends: 581
[2020-10-16 10:51:18,331 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132
[2020-10-16 10:51:18,333 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 581 states.
[2020-10-16 10:51:18,345 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 416.
[2020-10-16 10:51:18,345 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 416 states.
[2020-10-16 10:51:18,347 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 916 transitions.
[2020-10-16 10:51:18,347 INFO  L78                 Accepts]: Start accepts. Automaton has 416 states and 916 transitions. Word has length 21
[2020-10-16 10:51:18,347 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 10:51:18,347 INFO  L481      AbstractCegarLoop]: Abstraction has 416 states and 916 transitions.
[2020-10-16 10:51:18,348 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-10-16 10:51:18,348 INFO  L276                IsEmpty]: Start isEmpty. Operand 416 states and 916 transitions.
[2020-10-16 10:51:18,349 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2020-10-16 10:51:18,349 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:18,349 INFO  L422         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]
[2020-10-16 10:51:18,349 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2020-10-16 10:51:18,350 INFO  L429      AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:18,350 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:18,350 INFO  L82        PathProgramCache]: Analyzing trace with hash 2126692033, now seen corresponding path program 1 times
[2020-10-16 10:51:18,350 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:18,350 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654990569]
[2020-10-16 10:51:18,351 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:18,370 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:18,413 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-10-16 10:51:18,413 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654990569]
[2020-10-16 10:51:18,414 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-10-16 10:51:18,414 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-10-16 10:51:18,414 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330672870]
[2020-10-16 10:51:18,414 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-10-16 10:51:18,415 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 10:51:18,415 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-10-16 10:51:18,415 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-10-16 10:51:18,415 INFO  L87              Difference]: Start difference. First operand 416 states and 916 transitions. Second operand 6 states.
[2020-10-16 10:51:18,489 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 10:51:18,490 INFO  L93              Difference]: Finished difference Result 576 states and 1231 transitions.
[2020-10-16 10:51:18,490 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2020-10-16 10:51:18,490 INFO  L78                 Accepts]: Start accepts. Automaton has 6 states. Word has length 24
[2020-10-16 10:51:18,491 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 10:51:18,494 INFO  L225             Difference]: With dead ends: 576
[2020-10-16 10:51:18,494 INFO  L226             Difference]: Without dead ends: 566
[2020-10-16 10:51:18,495 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2020-10-16 10:51:18,497 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 566 states.
[2020-10-16 10:51:18,508 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 476.
[2020-10-16 10:51:18,508 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 476 states.
[2020-10-16 10:51:18,510 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 1042 transitions.
[2020-10-16 10:51:18,510 INFO  L78                 Accepts]: Start accepts. Automaton has 476 states and 1042 transitions. Word has length 24
[2020-10-16 10:51:18,510 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 10:51:18,511 INFO  L481      AbstractCegarLoop]: Abstraction has 476 states and 1042 transitions.
[2020-10-16 10:51:18,511 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-10-16 10:51:18,511 INFO  L276                IsEmpty]: Start isEmpty. Operand 476 states and 1042 transitions.
[2020-10-16 10:51:18,512 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2020-10-16 10:51:18,512 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:18,513 INFO  L422         BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1]
[2020-10-16 10:51:18,513 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2020-10-16 10:51:18,513 INFO  L429      AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:18,513 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:18,513 INFO  L82        PathProgramCache]: Analyzing trace with hash 2004586803, now seen corresponding path program 3 times
[2020-10-16 10:51:18,514 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:18,514 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137305618]
[2020-10-16 10:51:18,514 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:18,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:18,627 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:18,628 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137305618]
[2020-10-16 10:51:18,628 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580130628]
[2020-10-16 10:51:18,628 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 10:51:18,741 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2020-10-16 10:51:18,741 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-10-16 10:51:18,743 INFO  L263         TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-10-16 10:51:18,745 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-10-16 10:51:18,762 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:18,762 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-10-16 10:51:18,762 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8
[2020-10-16 10:51:18,763 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628163434]
[2020-10-16 10:51:18,763 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 9 states
[2020-10-16 10:51:18,764 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 10:51:18,764 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2020-10-16 10:51:18,765 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72
[2020-10-16 10:51:18,765 INFO  L87              Difference]: Start difference. First operand 476 states and 1042 transitions. Second operand 9 states.
[2020-10-16 10:51:18,872 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 10:51:18,872 INFO  L93              Difference]: Finished difference Result 759 states and 1615 transitions.
[2020-10-16 10:51:18,873 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-10-16 10:51:18,873 INFO  L78                 Accepts]: Start accepts. Automaton has 9 states. Word has length 27
[2020-10-16 10:51:18,873 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 10:51:18,878 INFO  L225             Difference]: With dead ends: 759
[2020-10-16 10:51:18,878 INFO  L226             Difference]: Without dead ends: 759
[2020-10-16 10:51:18,878 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132
[2020-10-16 10:51:18,880 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 759 states.
[2020-10-16 10:51:18,894 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 553.
[2020-10-16 10:51:18,894 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 553 states.
[2020-10-16 10:51:18,896 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 1211 transitions.
[2020-10-16 10:51:18,897 INFO  L78                 Accepts]: Start accepts. Automaton has 553 states and 1211 transitions. Word has length 27
[2020-10-16 10:51:18,897 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 10:51:18,897 INFO  L481      AbstractCegarLoop]: Abstraction has 553 states and 1211 transitions.
[2020-10-16 10:51:18,897 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 9 states.
[2020-10-16 10:51:18,897 INFO  L276                IsEmpty]: Start isEmpty. Operand 553 states and 1211 transitions.
[2020-10-16 10:51:18,899 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2020-10-16 10:51:18,899 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:18,900 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 10:51:19,105 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 10:51:19,106 INFO  L429      AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:19,106 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:19,106 INFO  L82        PathProgramCache]: Analyzing trace with hash -408396195, now seen corresponding path program 2 times
[2020-10-16 10:51:19,106 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:19,106 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939939111]
[2020-10-16 10:51:19,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:19,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:19,608 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:19,608 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939939111]
[2020-10-16 10:51:19,609 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508604783]
[2020-10-16 10:51:19,609 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 10:51:19,696 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2020-10-16 10:51:19,697 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-10-16 10:51:19,699 INFO  L263         TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 45 conjunts are in the unsatisfiable core
[2020-10-16 10:51:19,701 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-10-16 10:51:19,761 INFO  L384             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 55 treesize of output 53
[2020-10-16 10:51:19,763 INFO  L545         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 2 xjuncts.
[2020-10-16 10:51:19,792 INFO  L625         ElimStorePlain]: treesize reduction 29, result has 42.0 percent of original size
[2020-10-16 10:51:19,796 INFO  L545         ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars,  End of recursive call:  and 1 xjuncts.
[2020-10-16 10:51:19,797 INFO  L244         ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:23, output treesize:4
[2020-10-16 10:51:20,051 INFO  L384             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 15
[2020-10-16 10:51:20,051 INFO  L545         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2020-10-16 10:51:20,079 INFO  L625         ElimStorePlain]: treesize reduction 3, result has 93.0 percent of original size
[2020-10-16 10:51:20,087 INFO  L545         ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars,  End of recursive call:  and 1 xjuncts.
[2020-10-16 10:51:20,087 INFO  L244         ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:54
[2020-10-16 10:51:20,358 INFO  L384             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 37
[2020-10-16 10:51:20,359 INFO  L545         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2020-10-16 10:51:20,374 INFO  L625         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2020-10-16 10:51:20,377 INFO  L545         ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars,  End of recursive call: 2 dim-0 vars,  and 1 xjuncts.
[2020-10-16 10:51:20,379 INFO  L244         ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:69, output treesize:65
[2020-10-16 10:51:21,045 INFO  L603       QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts
[2020-10-16 10:51:21,071 INFO  L384             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 83 treesize of output 31
[2020-10-16 10:51:21,105 INFO  L545         ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars,  End of recursive call: 2 dim-0 vars,  and 1 xjuncts.
[2020-10-16 10:51:21,115 INFO  L384             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 86 treesize of output 34
[2020-10-16 10:51:21,145 INFO  L545         ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars,  End of recursive call: 2 dim-0 vars,  and 1 xjuncts.
[2020-10-16 10:51:21,271 WARN  L193               SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34
[2020-10-16 10:51:21,273 INFO  L625         ElimStorePlain]: treesize reduction 90, result has 43.4 percent of original size
[2020-10-16 10:51:21,283 INFO  L545         ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars,  End of recursive call: 2 dim-0 vars,  and 1 xjuncts.
[2020-10-16 10:51:21,283 INFO  L244         ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:178, output treesize:65
[2020-10-16 10:51:21,445 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2020-10-16 10:51:21,446 INFO  L219   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2020-10-16 10:51:21,446 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [15] total 28
[2020-10-16 10:51:21,446 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281564751]
[2020-10-16 10:51:21,447 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 15 states
[2020-10-16 10:51:21,447 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 10:51:21,447 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2020-10-16 10:51:21,448 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870
[2020-10-16 10:51:21,448 INFO  L87              Difference]: Start difference. First operand 553 states and 1211 transitions. Second operand 15 states.
[2020-10-16 10:51:26,107 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 10:51:26,108 INFO  L93              Difference]: Finished difference Result 1207 states and 2573 transitions.
[2020-10-16 10:51:26,108 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2020-10-16 10:51:26,108 INFO  L78                 Accepts]: Start accepts. Automaton has 15 states. Word has length 28
[2020-10-16 10:51:26,109 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 10:51:26,116 INFO  L225             Difference]: With dead ends: 1207
[2020-10-16 10:51:26,116 INFO  L226             Difference]: Without dead ends: 1167
[2020-10-16 10:51:26,118 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=380, Invalid=2926, Unknown=0, NotChecked=0, Total=3306
[2020-10-16 10:51:26,121 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1167 states.
[2020-10-16 10:51:26,138 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 657.
[2020-10-16 10:51:26,139 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 657 states.
[2020-10-16 10:51:26,141 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1465 transitions.
[2020-10-16 10:51:26,142 INFO  L78                 Accepts]: Start accepts. Automaton has 657 states and 1465 transitions. Word has length 28
[2020-10-16 10:51:26,142 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 10:51:26,142 INFO  L481      AbstractCegarLoop]: Abstraction has 657 states and 1465 transitions.
[2020-10-16 10:51:26,143 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 15 states.
[2020-10-16 10:51:26,143 INFO  L276                IsEmpty]: Start isEmpty. Operand 657 states and 1465 transitions.
[2020-10-16 10:51:26,146 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2020-10-16 10:51:26,147 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:26,147 INFO  L422         BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 10:51:26,361 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 10:51:26,362 INFO  L429      AbstractCegarLoop]: === Iteration 11 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:26,362 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:26,362 INFO  L82        PathProgramCache]: Analyzing trace with hash 1113124825, now seen corresponding path program 2 times
[2020-10-16 10:51:26,362 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:26,362 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150063075]
[2020-10-16 10:51:26,362 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:26,395 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:26,484 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-10-16 10:51:26,484 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150063075]
[2020-10-16 10:51:26,484 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283870177]
[2020-10-16 10:51:26,485 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 10:51:26,572 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2020-10-16 10:51:26,572 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-10-16 10:51:26,574 INFO  L263         TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjunts are in the unsatisfiable core
[2020-10-16 10:51:26,577 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-10-16 10:51:26,593 INFO  L134       CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2020-10-16 10:51:26,594 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-10-16 10:51:26,594 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7
[2020-10-16 10:51:26,594 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784676710]
[2020-10-16 10:51:26,598 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-10-16 10:51:26,598 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 10:51:26,598 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-10-16 10:51:26,599 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2020-10-16 10:51:26,599 INFO  L87              Difference]: Start difference. First operand 657 states and 1465 transitions. Second operand 8 states.
[2020-10-16 10:51:26,718 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 10:51:26,719 INFO  L93              Difference]: Finished difference Result 985 states and 2121 transitions.
[2020-10-16 10:51:26,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2020-10-16 10:51:26,719 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states. Word has length 31
[2020-10-16 10:51:26,720 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 10:51:26,725 INFO  L225             Difference]: With dead ends: 985
[2020-10-16 10:51:26,725 INFO  L226             Difference]: Without dead ends: 985
[2020-10-16 10:51:26,726 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132
[2020-10-16 10:51:26,728 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 985 states.
[2020-10-16 10:51:26,747 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 701.
[2020-10-16 10:51:26,747 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 701 states.
[2020-10-16 10:51:26,750 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1589 transitions.
[2020-10-16 10:51:26,751 INFO  L78                 Accepts]: Start accepts. Automaton has 701 states and 1589 transitions. Word has length 31
[2020-10-16 10:51:26,751 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 10:51:26,751 INFO  L481      AbstractCegarLoop]: Abstraction has 701 states and 1589 transitions.
[2020-10-16 10:51:26,751 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-10-16 10:51:26,751 INFO  L276                IsEmpty]: Start isEmpty. Operand 701 states and 1589 transitions.
[2020-10-16 10:51:26,753 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2020-10-16 10:51:26,753 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:26,753 INFO  L422         BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1]
[2020-10-16 10:51:26,968 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2020-10-16 10:51:26,969 INFO  L429      AbstractCegarLoop]: === Iteration 12 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:26,969 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:26,969 INFO  L82        PathProgramCache]: Analyzing trace with hash 443984155, now seen corresponding path program 4 times
[2020-10-16 10:51:26,970 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:26,970 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663700554]
[2020-10-16 10:51:26,970 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:26,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:27,076 INFO  L134       CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:27,076 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663700554]
[2020-10-16 10:51:27,076 INFO  L353   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423020373]
[2020-10-16 10:51:27,077 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 10:51:27,168 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2020-10-16 10:51:27,168 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2020-10-16 10:51:27,170 INFO  L263         TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjunts are in the unsatisfiable core
[2020-10-16 10:51:27,172 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2020-10-16 10:51:27,184 INFO  L134       CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-10-16 10:51:27,185 INFO  L219   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2020-10-16 10:51:27,185 INFO  L232   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10
[2020-10-16 10:51:27,186 INFO  L155   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280665581]
[2020-10-16 10:51:27,186 INFO  L461      AbstractCegarLoop]: Interpolant automaton has 11 states
[2020-10-16 10:51:27,186 INFO  L142   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2020-10-16 10:51:27,186 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2020-10-16 10:51:27,187 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110
[2020-10-16 10:51:27,187 INFO  L87              Difference]: Start difference. First operand 701 states and 1589 transitions. Second operand 11 states.
[2020-10-16 10:51:27,314 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-10-16 10:51:27,314 INFO  L93              Difference]: Finished difference Result 1137 states and 2478 transitions.
[2020-10-16 10:51:27,314 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2020-10-16 10:51:27,315 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states. Word has length 34
[2020-10-16 10:51:27,315 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-10-16 10:51:27,321 INFO  L225             Difference]: With dead ends: 1137
[2020-10-16 10:51:27,322 INFO  L226             Difference]: Without dead ends: 1137
[2020-10-16 10:51:27,322 INFO  L677         BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210
[2020-10-16 10:51:27,324 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1137 states.
[2020-10-16 10:51:27,343 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 792.
[2020-10-16 10:51:27,344 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 792 states.
[2020-10-16 10:51:27,346 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1797 transitions.
[2020-10-16 10:51:27,346 INFO  L78                 Accepts]: Start accepts. Automaton has 792 states and 1797 transitions. Word has length 34
[2020-10-16 10:51:27,346 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-10-16 10:51:27,347 INFO  L481      AbstractCegarLoop]: Abstraction has 792 states and 1797 transitions.
[2020-10-16 10:51:27,347 INFO  L482      AbstractCegarLoop]: Interpolant automaton has 11 states.
[2020-10-16 10:51:27,347 INFO  L276                IsEmpty]: Start isEmpty. Operand 792 states and 1797 transitions.
[2020-10-16 10:51:27,348 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2020-10-16 10:51:27,349 INFO  L414         BasicCegarLoop]: Found error trace
[2020-10-16 10:51:27,349 INFO  L422         BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-10-16 10:51:27,564 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2020-10-16 10:51:27,565 INFO  L429      AbstractCegarLoop]: === Iteration 13 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-10-16 10:51:27,565 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-10-16 10:51:27,566 INFO  L82        PathProgramCache]: Analyzing trace with hash -1975916590, now seen corresponding path program 1 times
[2020-10-16 10:51:27,566 INFO  L162   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2020-10-16 10:51:27,566 INFO  L353   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939910052]
[2020-10-16 10:51:27,567 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-10-16 10:51:27,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-10-16 10:51:27,665 ERROR L253   erpolLogProxyWrapper]: Symbol error in Interpolant 22: A-local: [(|t1Thread1of1ForFork0_push_#t~ret35_5| Int), (t1Thread1of1ForFork0_push_~stack.offset_3 Int)], B-local: [].
[2020-10-16 10:51:27,667 ERROR L253   erpolLogProxyWrapper]: Symbol error in Interpolant 23: A-local: [(|t1Thread1of1ForFork0_push_#t~ret35_5| Int), (t1Thread1of1ForFork0_push_~stack.offset_3 Int)], B-local: [].
[2020-10-16 10:51:27,669 ERROR L253   erpolLogProxyWrapper]: Symbol error in Interpolant 24: A-local: [(|t1Thread1of1ForFork0_push_#t~ret35_5| Int), (t1Thread1of1ForFork0_push_~stack.offset_3 Int)], B-local: [].
[2020-10-16 10:51:27,673 ERROR L253   erpolLogProxyWrapper]: Interpolant 25 not inductive
[2020-10-16 10:51:27,687 WARN  L518      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2020-10-16 10:51:27,687 FATAL L?                        ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: generated interpolants did not pass sanity check
	at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219)
	at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:876)
	at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392)
	at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.<init>(NestedInterpolantsBuilder.java:166)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:97)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:84)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:74)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:360)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:134)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2020-10-16 10:51:27,692 INFO  L168              Benchmark]: Toolchain (without parser) took 18273.05 ms. Allocated memory was 137.9 MB in the beginning and 365.4 MB in the end (delta: 227.5 MB). Free memory was 99.4 MB in the beginning and 162.0 MB in the end (delta: -62.6 MB). Peak memory consumption was 164.9 MB. Max. memory is 7.1 GB.
[2020-10-16 10:51:27,693 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-10-16 10:51:27,694 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1022.41 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.2 MB in the beginning and 132.5 MB in the end (delta: -33.3 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB.
[2020-10-16 10:51:27,694 INFO  L168              Benchmark]: Boogie Procedure Inliner took 63.22 ms. Allocated memory is still 201.3 MB. Free memory was 132.5 MB in the beginning and 129.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB.
[2020-10-16 10:51:27,695 INFO  L168              Benchmark]: Boogie Preprocessor took 38.34 ms. Allocated memory is still 201.3 MB. Free memory was 129.7 MB in the beginning and 127.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
[2020-10-16 10:51:27,696 INFO  L168              Benchmark]: RCFGBuilder took 653.95 ms. Allocated memory is still 201.3 MB. Free memory was 127.7 MB in the beginning and 94.7 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB.
[2020-10-16 10:51:27,697 INFO  L168              Benchmark]: TraceAbstraction took 16489.58 ms. Allocated memory was 201.3 MB in the beginning and 365.4 MB in the end (delta: 164.1 MB). Free memory was 94.7 MB in the beginning and 162.0 MB in the end (delta: -67.4 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB.
[2020-10-16 10:51:27,700 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 1022.41 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.2 MB in the beginning and 132.5 MB in the end (delta: -33.3 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 63.22 ms. Allocated memory is still 201.3 MB. Free memory was 132.5 MB in the beginning and 129.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 38.34 ms. Allocated memory is still 201.3 MB. Free memory was 129.7 MB in the beginning and 127.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 653.95 ms. Allocated memory is still 201.3 MB. Free memory was 127.7 MB in the beginning and 94.7 MB in the end (delta: 33.0 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB.
 * TraceAbstraction took 16489.58 ms. Allocated memory was 201.3 MB in the beginning and 365.4 MB in the end (delta: 164.1 MB). Free memory was 94.7 MB in the beginning and 162.0 MB in the end (delta: -67.4 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    3994 VarBasedMoverChecksPositive, 70 VarBasedMoverChecksNegative, 4 SemBasedMoverChecksPositive, 66 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 284 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 133 PlacesBefore, 40 PlacesAfterwards, 138 TransitionsBefore, 40 TransitionsAfterwards, 5744 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 17 ConcurrentYvCompositions, 5 ChoiceCompositions, 123 TotalNumberOfCompositions, 10440 MoverChecksTotal
  - ExceptionOrErrorResult: SMTLIBException: generated interpolants did not pass sanity check
    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: generated interpolants did not pass sanity check: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:219)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...