/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/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-pthread/cs_queue-2.i


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


This is Ultimate 0.1.25-adbd35c
[2020-10-13 15:29:48,155 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-13 15:29:48,158 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-13 15:29:48,182 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-13 15:29:48,182 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-13 15:29:48,183 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-13 15:29:48,185 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-13 15:29:48,187 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-13 15:29:48,188 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-13 15:29:48,189 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-13 15:29:48,190 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-10-13 15:29:48,191 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-13 15:29:48,191 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-13 15:29:48,192 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-13 15:29:48,193 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-13 15:29:48,195 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-13 15:29:48,200 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-13 15:29:48,201 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-13 15:29:48,205 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-13 15:29:48,209 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-13 15:29:48,212 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-13 15:29:48,214 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-13 15:29:48,215 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-13 15:29:48,216 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-13 15:29:48,223 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-13 15:29:48,223 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-13 15:29:48,223 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-13 15:29:48,226 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-13 15:29:48,226 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-13 15:29:48,227 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-13 15:29:48,228 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-13 15:29:48,228 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-13 15:29:48,229 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-13 15:29:48,230 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-13 15:29:48,232 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-13 15:29:48,232 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-13 15:29:48,232 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-13 15:29:48,233 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-13 15:29:48,233 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-13 15:29:48,234 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-13 15:29:48,235 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-13 15:29:48,236 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
[2020-10-13 15:29:48,289 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-13 15:29:48,290 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-13 15:29:48,291 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-13 15:29:48,291 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-13 15:29:48,291 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-13 15:29:48,292 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-13 15:29:48,292 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-13 15:29:48,296 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-13 15:29:48,296 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-13 15:29:48,296 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-13 15:29:48,297 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-13 15:29:48,297 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-13 15:29:48,297 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-13 15:29:48,297 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-13 15:29:48,297 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-13 15:29:48,297 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-13 15:29:48,298 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-13 15:29:48,298 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-13 15:29:48,298 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-13 15:29:48,298 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-13 15:29:48,298 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-13 15:29:48,299 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-13 15:29:48,299 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-13 15:29:48,299 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-10-13 15:29:48,299 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-13 15:29:48,299 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-13 15:29:48,300 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-13 15:29:48,300 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-13 15:29:48,303 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-10-13 15:29:48,303 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true;
[2020-10-13 15:29:48,619 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-13 15:29:48,633 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-13 15:29:48,637 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-13 15:29:48,638 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-13 15:29:48,640 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-13 15:29:48,641 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-pthread/cs_queue-2.i
[2020-10-13 15:29:48,715 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c68045a9/dffe2a8c59c543a2b8e380065523d936/FLAGaf0042c93
[2020-10-13 15:29:49,382 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-13 15:29:49,383 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-pthread/cs_queue-2.i
[2020-10-13 15:29:49,401 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c68045a9/dffe2a8c59c543a2b8e380065523d936/FLAGaf0042c93
[2020-10-13 15:29:49,640 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c68045a9/dffe2a8c59c543a2b8e380065523d936
[2020-10-13 15:29:49,650 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-13 15:29:49,652 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-13 15:29:49,653 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-13 15:29:49,653 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-13 15:29:49,656 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-13 15:29:49,657 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:29:49" (1/1) ...
[2020-10-13 15:29:49,660 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a00abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:49, skipping insertion in model container
[2020-10-13 15:29:49,661 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:29:49" (1/1) ...
[2020-10-13 15:29:49,668 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-13 15:29:49,733 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-13 15:29:50,421 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-13 15:29:50,454 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-13 15:29:50,611 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-13 15:29:50,779 INFO  L208         MainTranslator]: Completed translation
[2020-10-13 15:29:50,780 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:50 WrapperNode
[2020-10-13 15:29:50,780 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-13 15:29:50,781 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-13 15:29:50,781 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-13 15:29:50,781 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-13 15:29:50,798 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:50" (1/1) ...
[2020-10-13 15:29:50,799 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:50" (1/1) ...
[2020-10-13 15:29:50,838 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:50" (1/1) ...
[2020-10-13 15:29:50,839 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:50" (1/1) ...
[2020-10-13 15:29:50,928 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:50" (1/1) ...
[2020-10-13 15:29:50,943 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:50" (1/1) ...
[2020-10-13 15:29:50,953 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:50" (1/1) ...
[2020-10-13 15:29:50,969 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-13 15:29:50,970 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-13 15:29:50,970 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-13 15:29:50,970 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-13 15:29:50,972 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:29:50" (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
[2020-10-13 15:29:51,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-13 15:29:51,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-13 15:29:51,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$
[2020-10-13 15:29:51,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-10-13 15:29:51,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2020-10-13 15:29:51,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2020-10-13 15:29:51,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint16_identity
[2020-10-13 15:29:51,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint32_identity
[2020-10-13 15:29:51,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint64_identity
[2020-10-13 15:29:51,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-10-13 15:29:51,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_cs
[2020-10-13 15:29:51,059 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init
[2020-10-13 15:29:51,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy
[2020-10-13 15:29:51,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock
[2020-10-13 15:29:51,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock
[2020-10-13 15:29:51,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init
[2020-10-13 15:29:51,060 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal
[2020-10-13 15:29:51,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast
[2020-10-13 15:29:51,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait
[2020-10-13 15:29:51,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_assert
[2020-10-13 15:29:51,061 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_assume
[2020-10-13 15:29:51,062 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_join
[2020-10-13 15:29:51,062 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_create
[2020-10-13 15:29:51,062 INFO  L138     BoogieDeclarations]: Found implementation of procedure init
[2020-10-13 15:29:51,062 INFO  L138     BoogieDeclarations]: Found implementation of procedure empty
[2020-10-13 15:29:51,063 INFO  L138     BoogieDeclarations]: Found implementation of procedure full
[2020-10-13 15:29:51,063 INFO  L138     BoogieDeclarations]: Found implementation of procedure enqueue
[2020-10-13 15:29:51,063 INFO  L138     BoogieDeclarations]: Found implementation of procedure dequeue
[2020-10-13 15:29:51,063 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2020-10-13 15:29:51,063 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2020-10-13 15:29:51,063 INFO  L138     BoogieDeclarations]: Found implementation of procedure main_thread
[2020-10-13 15:29:51,064 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-10-13 15:29:51,064 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-10-13 15:29:51,064 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-10-13 15:29:51,064 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-10-13 15:29:51,064 INFO  L130     BoogieDeclarations]: Found specification of procedure __underflow
[2020-10-13 15:29:51,065 INFO  L130     BoogieDeclarations]: Found specification of procedure __uflow
[2020-10-13 15:29:51,065 INFO  L130     BoogieDeclarations]: Found specification of procedure __overflow
[2020-10-13 15:29:51,065 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_getc
[2020-10-13 15:29:51,065 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_putc
[2020-10-13 15:29:51,065 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_feof
[2020-10-13 15:29:51,065 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_ferror
[2020-10-13 15:29:51,066 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_peekc_locked
[2020-10-13 15:29:51,066 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_flockfile
[2020-10-13 15:29:51,066 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_funlockfile
[2020-10-13 15:29:51,066 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile
[2020-10-13 15:29:51,066 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_vfscanf
[2020-10-13 15:29:51,066 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_vfprintf
[2020-10-13 15:29:51,067 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_padn
[2020-10-13 15:29:51,067 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_sgetn
[2020-10-13 15:29:51,067 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_seekoff
[2020-10-13 15:29:51,067 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_seekpos
[2020-10-13 15:29:51,067 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_free_backup_area
[2020-10-13 15:29:51,068 INFO  L130     BoogieDeclarations]: Found specification of procedure remove
[2020-10-13 15:29:51,068 INFO  L130     BoogieDeclarations]: Found specification of procedure rename
[2020-10-13 15:29:51,068 INFO  L130     BoogieDeclarations]: Found specification of procedure renameat
[2020-10-13 15:29:51,068 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpfile
[2020-10-13 15:29:51,068 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpnam
[2020-10-13 15:29:51,069 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpnam_r
[2020-10-13 15:29:51,069 INFO  L130     BoogieDeclarations]: Found specification of procedure tempnam
[2020-10-13 15:29:51,069 INFO  L130     BoogieDeclarations]: Found specification of procedure fclose
[2020-10-13 15:29:51,069 INFO  L130     BoogieDeclarations]: Found specification of procedure fflush
[2020-10-13 15:29:51,069 INFO  L130     BoogieDeclarations]: Found specification of procedure fflush_unlocked
[2020-10-13 15:29:51,069 INFO  L130     BoogieDeclarations]: Found specification of procedure fopen
[2020-10-13 15:29:51,070 INFO  L130     BoogieDeclarations]: Found specification of procedure freopen
[2020-10-13 15:29:51,070 INFO  L130     BoogieDeclarations]: Found specification of procedure fdopen
[2020-10-13 15:29:51,070 INFO  L130     BoogieDeclarations]: Found specification of procedure fmemopen
[2020-10-13 15:29:51,070 INFO  L130     BoogieDeclarations]: Found specification of procedure open_memstream
[2020-10-13 15:29:51,070 INFO  L130     BoogieDeclarations]: Found specification of procedure setbuf
[2020-10-13 15:29:51,070 INFO  L130     BoogieDeclarations]: Found specification of procedure setvbuf
[2020-10-13 15:29:51,071 INFO  L130     BoogieDeclarations]: Found specification of procedure setbuffer
[2020-10-13 15:29:51,071 INFO  L130     BoogieDeclarations]: Found specification of procedure setlinebuf
[2020-10-13 15:29:51,071 INFO  L130     BoogieDeclarations]: Found specification of procedure fprintf
[2020-10-13 15:29:51,071 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-10-13 15:29:51,071 INFO  L130     BoogieDeclarations]: Found specification of procedure sprintf
[2020-10-13 15:29:51,072 INFO  L130     BoogieDeclarations]: Found specification of procedure vfprintf
[2020-10-13 15:29:51,072 INFO  L130     BoogieDeclarations]: Found specification of procedure vprintf
[2020-10-13 15:29:51,072 INFO  L130     BoogieDeclarations]: Found specification of procedure vsprintf
[2020-10-13 15:29:51,072 INFO  L130     BoogieDeclarations]: Found specification of procedure snprintf
[2020-10-13 15:29:51,072 INFO  L130     BoogieDeclarations]: Found specification of procedure vsnprintf
[2020-10-13 15:29:51,073 INFO  L130     BoogieDeclarations]: Found specification of procedure vdprintf
[2020-10-13 15:29:51,073 INFO  L130     BoogieDeclarations]: Found specification of procedure dprintf
[2020-10-13 15:29:51,073 INFO  L130     BoogieDeclarations]: Found specification of procedure fscanf
[2020-10-13 15:29:51,073 INFO  L130     BoogieDeclarations]: Found specification of procedure scanf
[2020-10-13 15:29:51,073 INFO  L130     BoogieDeclarations]: Found specification of procedure sscanf
[2020-10-13 15:29:51,074 INFO  L130     BoogieDeclarations]: Found specification of procedure vfscanf
[2020-10-13 15:29:51,074 INFO  L130     BoogieDeclarations]: Found specification of procedure vscanf
[2020-10-13 15:29:51,074 INFO  L130     BoogieDeclarations]: Found specification of procedure vsscanf
[2020-10-13 15:29:51,074 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetc
[2020-10-13 15:29:51,074 INFO  L130     BoogieDeclarations]: Found specification of procedure getc
[2020-10-13 15:29:51,074 INFO  L130     BoogieDeclarations]: Found specification of procedure getchar
[2020-10-13 15:29:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure getc_unlocked
[2020-10-13 15:29:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure getchar_unlocked
[2020-10-13 15:29:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetc_unlocked
[2020-10-13 15:29:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure fputc
[2020-10-13 15:29:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure putc
[2020-10-13 15:29:51,075 INFO  L130     BoogieDeclarations]: Found specification of procedure putchar
[2020-10-13 15:29:51,076 INFO  L130     BoogieDeclarations]: Found specification of procedure fputc_unlocked
[2020-10-13 15:29:51,076 INFO  L130     BoogieDeclarations]: Found specification of procedure putc_unlocked
[2020-10-13 15:29:51,076 INFO  L130     BoogieDeclarations]: Found specification of procedure putchar_unlocked
[2020-10-13 15:29:51,076 INFO  L130     BoogieDeclarations]: Found specification of procedure getw
[2020-10-13 15:29:51,076 INFO  L130     BoogieDeclarations]: Found specification of procedure putw
[2020-10-13 15:29:51,076 INFO  L130     BoogieDeclarations]: Found specification of procedure fgets
[2020-10-13 15:29:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure __getdelim
[2020-10-13 15:29:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure getdelim
[2020-10-13 15:29:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure getline
[2020-10-13 15:29:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure fputs
[2020-10-13 15:29:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure puts
[2020-10-13 15:29:51,077 INFO  L130     BoogieDeclarations]: Found specification of procedure ungetc
[2020-10-13 15:29:51,078 INFO  L130     BoogieDeclarations]: Found specification of procedure fread
[2020-10-13 15:29:51,078 INFO  L130     BoogieDeclarations]: Found specification of procedure fwrite
[2020-10-13 15:29:51,078 INFO  L130     BoogieDeclarations]: Found specification of procedure fread_unlocked
[2020-10-13 15:29:51,078 INFO  L130     BoogieDeclarations]: Found specification of procedure fwrite_unlocked
[2020-10-13 15:29:51,078 INFO  L130     BoogieDeclarations]: Found specification of procedure fseek
[2020-10-13 15:29:51,079 INFO  L130     BoogieDeclarations]: Found specification of procedure ftell
[2020-10-13 15:29:51,079 INFO  L130     BoogieDeclarations]: Found specification of procedure rewind
[2020-10-13 15:29:51,079 INFO  L130     BoogieDeclarations]: Found specification of procedure fseeko
[2020-10-13 15:29:51,079 INFO  L130     BoogieDeclarations]: Found specification of procedure ftello
[2020-10-13 15:29:51,079 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetpos
[2020-10-13 15:29:51,079 INFO  L130     BoogieDeclarations]: Found specification of procedure fsetpos
[2020-10-13 15:29:51,080 INFO  L130     BoogieDeclarations]: Found specification of procedure clearerr
[2020-10-13 15:29:51,080 INFO  L130     BoogieDeclarations]: Found specification of procedure feof
[2020-10-13 15:29:51,080 INFO  L130     BoogieDeclarations]: Found specification of procedure ferror
[2020-10-13 15:29:51,080 INFO  L130     BoogieDeclarations]: Found specification of procedure clearerr_unlocked
[2020-10-13 15:29:51,080 INFO  L130     BoogieDeclarations]: Found specification of procedure feof_unlocked
[2020-10-13 15:29:51,081 INFO  L130     BoogieDeclarations]: Found specification of procedure ferror_unlocked
[2020-10-13 15:29:51,081 INFO  L130     BoogieDeclarations]: Found specification of procedure perror
[2020-10-13 15:29:51,081 INFO  L130     BoogieDeclarations]: Found specification of procedure fileno
[2020-10-13 15:29:51,081 INFO  L130     BoogieDeclarations]: Found specification of procedure fileno_unlocked
[2020-10-13 15:29:51,082 INFO  L130     BoogieDeclarations]: Found specification of procedure popen
[2020-10-13 15:29:51,082 INFO  L130     BoogieDeclarations]: Found specification of procedure pclose
[2020-10-13 15:29:51,082 INFO  L130     BoogieDeclarations]: Found specification of procedure ctermid
[2020-10-13 15:29:51,082 INFO  L130     BoogieDeclarations]: Found specification of procedure flockfile
[2020-10-13 15:29:51,082 INFO  L130     BoogieDeclarations]: Found specification of procedure ftrylockfile
[2020-10-13 15:29:51,082 INFO  L130     BoogieDeclarations]: Found specification of procedure funlockfile
[2020-10-13 15:29:51,083 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-13 15:29:51,083 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2020-10-13 15:29:51,083 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert
[2020-10-13 15:29:51,083 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-10-13 15:29:51,083 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2020-10-13 15:29:51,084 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2020-10-13 15:29:51,084 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2020-10-13 15:29:51,084 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2020-10-13 15:29:51,084 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2020-10-13 15:29:51,084 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2020-10-13 15:29:51,084 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2020-10-13 15:29:51,085 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2020-10-13 15:29:51,085 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2020-10-13 15:29:51,085 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2020-10-13 15:29:51,085 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2020-10-13 15:29:51,085 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2020-10-13 15:29:51,085 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2020-10-13 15:29:51,086 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2020-10-13 15:29:51,086 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2020-10-13 15:29:51,086 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2020-10-13 15:29:51,086 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2020-10-13 15:29:51,086 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint16_identity
[2020-10-13 15:29:51,086 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint32_identity
[2020-10-13 15:29:51,087 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint64_identity
[2020-10-13 15:29:51,087 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2020-10-13 15:29:51,087 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2020-10-13 15:29:51,087 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-10-13 15:29:51,087 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-10-13 15:29:51,087 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-10-13 15:29:51,088 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2020-10-13 15:29:51,088 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2020-10-13 15:29:51,088 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2020-10-13 15:29:51,088 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2020-10-13 15:29:51,088 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2020-10-13 15:29:51,088 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2020-10-13 15:29:51,088 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2020-10-13 15:29:51,089 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2020-10-13 15:29:51,089 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2020-10-13 15:29:51,089 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2020-10-13 15:29:51,089 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2020-10-13 15:29:51,089 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2020-10-13 15:29:51,089 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2020-10-13 15:29:51,090 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2020-10-13 15:29:51,090 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2020-10-13 15:29:51,090 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2020-10-13 15:29:51,090 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2020-10-13 15:29:51,090 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2020-10-13 15:29:51,090 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2020-10-13 15:29:51,091 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2020-10-13 15:29:51,091 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2020-10-13 15:29:51,091 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2020-10-13 15:29:51,091 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-10-13 15:29:51,091 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-10-13 15:29:51,091 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-10-13 15:29:51,092 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-10-13 15:29:51,092 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2020-10-13 15:29:51,092 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2020-10-13 15:29:51,092 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-10-13 15:29:51,092 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-10-13 15:29:51,092 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2020-10-13 15:29:51,092 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2020-10-13 15:29:51,093 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-10-13 15:29:51,093 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2020-10-13 15:29:51,093 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2020-10-13 15:29:51,093 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-10-13 15:29:51,093 INFO  L130     BoogieDeclarations]: Found specification of procedure aligned_alloc
[2020-10-13 15:29:51,093 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2020-10-13 15:29:51,094 INFO  L130     BoogieDeclarations]: Found specification of procedure at_quick_exit
[2020-10-13 15:29:51,094 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2020-10-13 15:29:51,094 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-10-13 15:29:51,094 INFO  L130     BoogieDeclarations]: Found specification of procedure quick_exit
[2020-10-13 15:29:51,094 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2020-10-13 15:29:51,094 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2020-10-13 15:29:51,095 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2020-10-13 15:29:51,095 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2020-10-13 15:29:51,095 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2020-10-13 15:29:51,095 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2020-10-13 15:29:51,095 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2020-10-13 15:29:51,095 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2020-10-13 15:29:51,096 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2020-10-13 15:29:51,096 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-10-13 15:29:51,096 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2020-10-13 15:29:51,096 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2020-10-13 15:29:51,096 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2020-10-13 15:29:51,096 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2020-10-13 15:29:51,097 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2020-10-13 15:29:51,097 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2020-10-13 15:29:51,097 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2020-10-13 15:29:51,097 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2020-10-13 15:29:51,097 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2020-10-13 15:29:51,097 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2020-10-13 15:29:51,098 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2020-10-13 15:29:51,098 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2020-10-13 15:29:51,098 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2020-10-13 15:29:51,098 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2020-10-13 15:29:51,098 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2020-10-13 15:29:51,098 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2020-10-13 15:29:51,099 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-10-13 15:29:51,099 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-10-13 15:29:51,099 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-10-13 15:29:51,099 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-10-13 15:29:51,099 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2020-10-13 15:29:51,099 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2020-10-13 15:29:51,100 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2020-10-13 15:29:51,100 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-10-13 15:29:51,100 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2020-10-13 15:29:51,100 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2020-10-13 15:29:51,100 INFO  L130     BoogieDeclarations]: Found specification of procedure getsubopt
[2020-10-13 15:29:51,101 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2020-10-13 15:29:51,101 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-10-13 15:29:51,101 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-10-13 15:29:51,101 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar
[2020-10-13 15:29:51,101 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_cs
[2020-10-13 15:29:51,101 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init
[2020-10-13 15:29:51,102 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy
[2020-10-13 15:29:51,102 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-10-13 15:29:51,102 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-13 15:29:51,102 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock
[2020-10-13 15:29:51,102 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock
[2020-10-13 15:29:51,102 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init
[2020-10-13 15:29:51,103 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal
[2020-10-13 15:29:51,103 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-10-13 15:29:51,103 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-10-13 15:29:51,103 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast
[2020-10-13 15:29:51,103 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait
[2020-10-13 15:29:51,104 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_assert
[2020-10-13 15:29:51,104 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_assume
[2020-10-13 15:29:51,104 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_join
[2020-10-13 15:29:51,104 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_create
[2020-10-13 15:29:51,104 INFO  L130     BoogieDeclarations]: Found specification of procedure init
[2020-10-13 15:29:51,104 INFO  L130     BoogieDeclarations]: Found specification of procedure empty
[2020-10-13 15:29:51,105 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-13 15:29:51,105 INFO  L130     BoogieDeclarations]: Found specification of procedure full
[2020-10-13 15:29:51,105 INFO  L130     BoogieDeclarations]: Found specification of procedure enqueue
[2020-10-13 15:29:51,105 INFO  L130     BoogieDeclarations]: Found specification of procedure dequeue
[2020-10-13 15:29:51,105 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2020-10-13 15:29:51,105 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2020-10-13 15:29:51,127 INFO  L130     BoogieDeclarations]: Found specification of procedure main_thread
[2020-10-13 15:29:51,127 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-13 15:29:51,127 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-10-13 15:29:51,127 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$
[2020-10-13 15:29:51,127 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-13 15:29:51,127 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-13 15:29:51,128 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-10-13 15:29:51,128 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-13 15:29:51,818 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L1121: SUMMARY for call __CS_cs(); srcloc: null
[2020-10-13 15:29:51,818 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L1121-1: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0;call ULTIMATE.dealloc(~#id1~0.base, ~#id1~0.offset);havoc ~#id1~0.base, ~#id1~0.offset;call ULTIMATE.dealloc(~#id2~0.base, ~#id2~0.offset);havoc ~#id2~0.base, ~#id2~0.offset;
[2020-10-13 15:29:51,819 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L1121-1: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:51,819 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:51,819 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0;call ULTIMATE.dealloc(~#id1~0.base, ~#id1~0.offset);havoc ~#id1~0.base, ~#id1~0.offset;call ULTIMATE.dealloc(~#id2~0.base, ~#id2~0.offset);havoc ~#id2~0.base, ~#id2~0.offset;
[2020-10-13 15:29:51,819 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:51,820 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0;call ULTIMATE.dealloc(~#id1~0.base, ~#id1~0.offset);havoc ~#id1~0.base, ~#id1~0.offset;call ULTIMATE.dealloc(~#id2~0.base, ~#id2~0.offset);havoc ~#id2~0.base, ~#id2~0.offset;
[2020-10-13 15:29:51,966 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:51,966 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0;
[2020-10-13 15:29:51,967 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:51,967 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0;
[2020-10-13 15:29:51,967 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L1064: SUMMARY for call __CS_cs(); srcloc: null
[2020-10-13 15:29:51,967 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L1064-1: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0;
[2020-10-13 15:29:51,967 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L1064-1: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:51,967 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:51,968 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0;
[2020-10-13 15:29:51,968 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:51,968 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0;
[2020-10-13 15:29:52,034 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0;
[2020-10-13 15:29:52,035 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:52,035 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0;
[2020-10-13 15:29:52,035 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:52,036 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L1086: SUMMARY for call __CS_cs(); srcloc: null
[2020-10-13 15:29:52,036 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L1086-1: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0;
[2020-10-13 15:29:52,036 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L1086-1: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:52,036 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:52,036 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0;
[2020-10-13 15:29:52,153 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:52,154 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:52,154 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-13 15:29:52,154 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-13 15:29:52,181 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:52,181 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:52,182 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-13 15:29:52,182 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-13 15:29:52,230 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:52,230 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-13 15:29:52,311 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-13 15:29:52,311 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-13 15:29:56,947 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception:
java.lang.NullPointerException
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:394)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:269)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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)
[2020-10-13 15:29:56,953 INFO  L168              Benchmark]: Toolchain (without parser) took 7301.00 ms. Allocated memory was 146.8 MB in the beginning and 437.8 MB in the end (delta: 291.0 MB). Free memory was 100.5 MB in the beginning and 371.3 MB in the end (delta: -270.8 MB). Peak memory consumption was 315.1 MB. Max. memory is 7.1 GB.
[2020-10-13 15:29:56,954 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-10-13 15:29:56,956 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1127.98 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 100.3 MB in the beginning and 120.3 MB in the end (delta: -20.1 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB.
[2020-10-13 15:29:56,956 INFO  L168              Benchmark]: Boogie Preprocessor took 188.71 ms. Allocated memory is still 202.9 MB. Free memory was 120.3 MB in the beginning and 110.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB.
[2020-10-13 15:29:56,957 INFO  L168              Benchmark]: RCFGBuilder took 5980.50 ms. Allocated memory was 202.9 MB in the beginning and 437.8 MB in the end (delta: 234.9 MB). Free memory was 110.4 MB in the beginning and 371.3 MB in the end (delta: -260.9 MB). Peak memory consumption was 268.9 MB. Max. memory is 7.1 GB.
[2020-10-13 15:29:56,961 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 1127.98 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 100.3 MB in the beginning and 120.3 MB in the end (delta: -20.1 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 188.71 ms. Allocated memory is still 202.9 MB. Free memory was 120.3 MB in the beginning and 110.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 5980.50 ms. Allocated memory was 202.9 MB in the beginning and 437.8 MB in the end (delta: 234.9 MB). Free memory was 110.4 MB in the beginning and 371.3 MB in the end (delta: -260.9 MB). Peak memory consumption was 268.9 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder:
  - ExceptionOrErrorResult: NullPointerException: null
    de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:394)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...