/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_stack-1.i


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


This is Ultimate 0.1.25-adbd35c
[2020-10-15 04:35:36,036 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-10-15 04:35:36,039 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-10-15 04:35:36,080 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-10-15 04:35:36,080 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-10-15 04:35:36,088 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-10-15 04:35:36,090 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-10-15 04:35:36,094 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-10-15 04:35:36,096 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-10-15 04:35:36,101 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-10-15 04:35:36,102 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-10-15 04:35:36,102 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-10-15 04:35:36,103 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-10-15 04:35:36,105 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-10-15 04:35:36,106 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-10-15 04:35:36,107 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-10-15 04:35:36,108 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-10-15 04:35:36,112 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-10-15 04:35:36,113 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-10-15 04:35:36,119 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-10-15 04:35:36,120 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-10-15 04:35:36,122 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-10-15 04:35:36,123 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-10-15 04:35:36,123 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-10-15 04:35:36,134 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-10-15 04:35:36,134 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-10-15 04:35:36,135 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-10-15 04:35:36,136 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-10-15 04:35:36,139 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-10-15 04:35:36,140 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-10-15 04:35:36,141 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-10-15 04:35:36,142 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-10-15 04:35:36,143 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-10-15 04:35:36,144 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-10-15 04:35:36,144 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-10-15 04:35:36,145 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-10-15 04:35:36,145 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-10-15 04:35:36,145 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-10-15 04:35:36,146 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-10-15 04:35:36,146 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-10-15 04:35:36,147 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-10-15 04:35:36,148 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
[2020-10-15 04:35:36,187 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-10-15 04:35:36,188 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-10-15 04:35:36,190 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-10-15 04:35:36,190 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-10-15 04:35:36,190 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-10-15 04:35:36,190 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-10-15 04:35:36,191 INFO  L138        SettingsManager]:  * sizeof long=4
[2020-10-15 04:35:36,191 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-10-15 04:35:36,191 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2020-10-15 04:35:36,191 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-10-15 04:35:36,192 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-10-15 04:35:36,192 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-10-15 04:35:36,193 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-10-15 04:35:36,193 INFO  L138        SettingsManager]:  * sizeof long double=12
[2020-10-15 04:35:36,193 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-10-15 04:35:36,193 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-10-15 04:35:36,194 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-10-15 04:35:36,194 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-10-15 04:35:36,194 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-10-15 04:35:36,194 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-10-15 04:35:36,194 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-10-15 04:35:36,195 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-10-15 04:35:36,195 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-10-15 04:35:36,195 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-10-15 04:35:36,195 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-10-15 04:35:36,195 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-10-15 04:35:36,196 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-10-15 04:35:36,196 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-10-15 04:35:36,196 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-10-15 04:35:36,196 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true;
[2020-10-15 04:35:36,488 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-10-15 04:35:36,501 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-10-15 04:35:36,504 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-10-15 04:35:36,506 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-10-15 04:35:36,507 INFO  L275        PluginConnector]: CDTParser initialized
[2020-10-15 04:35:36,507 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-pthread/cs_stack-1.i
[2020-10-15 04:35:36,572 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11e205285/37d1bd83ca2f44d0a3085331384d5ea0/FLAG4ddc8ed51
[2020-10-15 04:35:37,145 INFO  L306              CDTParser]: Found 1 translation units.
[2020-10-15 04:35:37,148 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-pthread/cs_stack-1.i
[2020-10-15 04:35:37,177 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11e205285/37d1bd83ca2f44d0a3085331384d5ea0/FLAG4ddc8ed51
[2020-10-15 04:35:37,443 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/11e205285/37d1bd83ca2f44d0a3085331384d5ea0
[2020-10-15 04:35:37,453 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-10-15 04:35:37,455 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-10-15 04:35:37,457 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-10-15 04:35:37,457 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-10-15 04:35:37,461 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-10-15 04:35:37,462 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:35:37" (1/1) ...
[2020-10-15 04:35:37,465 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642ea3d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:35:37, skipping insertion in model container
[2020-10-15 04:35:37,465 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:35:37" (1/1) ...
[2020-10-15 04:35:37,473 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-10-15 04:35:37,540 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-10-15 04:35:38,348 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-15 04:35:38,367 INFO  L203         MainTranslator]: Completed pre-run
[2020-10-15 04:35:38,493 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-10-15 04:35:38,678 INFO  L208         MainTranslator]: Completed translation
[2020-10-15 04:35:38,679 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:35:38 WrapperNode
[2020-10-15 04:35:38,679 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-10-15 04:35:38,680 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-10-15 04:35:38,680 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-10-15 04:35:38,681 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-10-15 04:35:38,696 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:35:38" (1/1) ...
[2020-10-15 04:35:38,696 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:35:38" (1/1) ...
[2020-10-15 04:35:38,731 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:35:38" (1/1) ...
[2020-10-15 04:35:38,732 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:35:38" (1/1) ...
[2020-10-15 04:35:38,797 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:35:38" (1/1) ...
[2020-10-15 04:35:38,807 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:35:38" (1/1) ...
[2020-10-15 04:35:38,817 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:35:38" (1/1) ...
[2020-10-15 04:35:38,831 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-10-15 04:35:38,832 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-10-15 04:35:38,832 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-10-15 04:35:38,832 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-10-15 04:35:38,833 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:35:38" (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
[2020-10-15 04:35:38,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-10-15 04:35:38,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-10-15 04:35:38,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$
[2020-10-15 04:35:38,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-10-15 04:35:38,911 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2020-10-15 04:35:38,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2020-10-15 04:35:38,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint16_identity
[2020-10-15 04:35:38,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint32_identity
[2020-10-15 04:35:38,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint64_identity
[2020-10-15 04:35:38,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-10-15 04:35:38,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_cs
[2020-10-15 04:35:38,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init
[2020-10-15 04:35:38,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy
[2020-10-15 04:35:38,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock
[2020-10-15 04:35:38,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock
[2020-10-15 04:35:38,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init
[2020-10-15 04:35:38,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal
[2020-10-15 04:35:38,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast
[2020-10-15 04:35:38,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait
[2020-10-15 04:35:38,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_assert
[2020-10-15 04:35:38,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_assume
[2020-10-15 04:35:38,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_join
[2020-10-15 04:35:38,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure __CS_pthread_create
[2020-10-15 04:35:38,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure error
[2020-10-15 04:35:38,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure inc_top
[2020-10-15 04:35:38,915 INFO  L138     BoogieDeclarations]: Found implementation of procedure dec_top
[2020-10-15 04:35:38,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure get_top
[2020-10-15 04:35:38,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure stack_empty
[2020-10-15 04:35:38,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure push
[2020-10-15 04:35:38,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure pop
[2020-10-15 04:35:38,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2020-10-15 04:35:38,916 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2020-10-15 04:35:38,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure main_thread
[2020-10-15 04:35:38,917 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-10-15 04:35:38,917 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2020-10-15 04:35:38,917 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-10-15 04:35:38,917 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2020-10-15 04:35:38,919 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar
[2020-10-15 04:35:38,919 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-10-15 04:35:38,919 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-10-15 04:35:38,919 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-10-15 04:35:38,920 INFO  L130     BoogieDeclarations]: Found specification of procedure __underflow
[2020-10-15 04:35:38,920 INFO  L130     BoogieDeclarations]: Found specification of procedure __uflow
[2020-10-15 04:35:38,920 INFO  L130     BoogieDeclarations]: Found specification of procedure __overflow
[2020-10-15 04:35:38,922 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_getc
[2020-10-15 04:35:38,922 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_putc
[2020-10-15 04:35:38,922 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_feof
[2020-10-15 04:35:38,922 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_ferror
[2020-10-15 04:35:38,923 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_peekc_locked
[2020-10-15 04:35:38,923 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_flockfile
[2020-10-15 04:35:38,923 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_funlockfile
[2020-10-15 04:35:38,923 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile
[2020-10-15 04:35:38,924 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_vfscanf
[2020-10-15 04:35:38,925 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_vfprintf
[2020-10-15 04:35:38,925 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_padn
[2020-10-15 04:35:38,925 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_sgetn
[2020-10-15 04:35:38,925 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_seekoff
[2020-10-15 04:35:38,925 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_seekpos
[2020-10-15 04:35:38,925 INFO  L130     BoogieDeclarations]: Found specification of procedure _IO_free_backup_area
[2020-10-15 04:35:38,926 INFO  L130     BoogieDeclarations]: Found specification of procedure remove
[2020-10-15 04:35:38,926 INFO  L130     BoogieDeclarations]: Found specification of procedure rename
[2020-10-15 04:35:38,926 INFO  L130     BoogieDeclarations]: Found specification of procedure renameat
[2020-10-15 04:35:38,926 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpfile
[2020-10-15 04:35:38,926 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpnam
[2020-10-15 04:35:38,927 INFO  L130     BoogieDeclarations]: Found specification of procedure tmpnam_r
[2020-10-15 04:35:38,927 INFO  L130     BoogieDeclarations]: Found specification of procedure tempnam
[2020-10-15 04:35:38,927 INFO  L130     BoogieDeclarations]: Found specification of procedure fclose
[2020-10-15 04:35:38,928 INFO  L130     BoogieDeclarations]: Found specification of procedure fflush
[2020-10-15 04:35:38,928 INFO  L130     BoogieDeclarations]: Found specification of procedure fflush_unlocked
[2020-10-15 04:35:38,929 INFO  L130     BoogieDeclarations]: Found specification of procedure fopen
[2020-10-15 04:35:38,929 INFO  L130     BoogieDeclarations]: Found specification of procedure freopen
[2020-10-15 04:35:38,930 INFO  L130     BoogieDeclarations]: Found specification of procedure fdopen
[2020-10-15 04:35:38,930 INFO  L130     BoogieDeclarations]: Found specification of procedure fmemopen
[2020-10-15 04:35:38,931 INFO  L130     BoogieDeclarations]: Found specification of procedure open_memstream
[2020-10-15 04:35:38,931 INFO  L130     BoogieDeclarations]: Found specification of procedure setbuf
[2020-10-15 04:35:38,931 INFO  L130     BoogieDeclarations]: Found specification of procedure setvbuf
[2020-10-15 04:35:38,931 INFO  L130     BoogieDeclarations]: Found specification of procedure setbuffer
[2020-10-15 04:35:38,931 INFO  L130     BoogieDeclarations]: Found specification of procedure setlinebuf
[2020-10-15 04:35:38,931 INFO  L130     BoogieDeclarations]: Found specification of procedure fprintf
[2020-10-15 04:35:38,931 INFO  L130     BoogieDeclarations]: Found specification of procedure printf
[2020-10-15 04:35:38,931 INFO  L130     BoogieDeclarations]: Found specification of procedure sprintf
[2020-10-15 04:35:38,932 INFO  L130     BoogieDeclarations]: Found specification of procedure vfprintf
[2020-10-15 04:35:38,932 INFO  L130     BoogieDeclarations]: Found specification of procedure vprintf
[2020-10-15 04:35:38,932 INFO  L130     BoogieDeclarations]: Found specification of procedure vsprintf
[2020-10-15 04:35:38,932 INFO  L130     BoogieDeclarations]: Found specification of procedure snprintf
[2020-10-15 04:35:38,932 INFO  L130     BoogieDeclarations]: Found specification of procedure vsnprintf
[2020-10-15 04:35:38,932 INFO  L130     BoogieDeclarations]: Found specification of procedure vdprintf
[2020-10-15 04:35:38,933 INFO  L130     BoogieDeclarations]: Found specification of procedure dprintf
[2020-10-15 04:35:38,933 INFO  L130     BoogieDeclarations]: Found specification of procedure fscanf
[2020-10-15 04:35:38,933 INFO  L130     BoogieDeclarations]: Found specification of procedure scanf
[2020-10-15 04:35:38,933 INFO  L130     BoogieDeclarations]: Found specification of procedure sscanf
[2020-10-15 04:35:38,933 INFO  L130     BoogieDeclarations]: Found specification of procedure vfscanf
[2020-10-15 04:35:38,933 INFO  L130     BoogieDeclarations]: Found specification of procedure vscanf
[2020-10-15 04:35:38,934 INFO  L130     BoogieDeclarations]: Found specification of procedure vsscanf
[2020-10-15 04:35:38,934 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetc
[2020-10-15 04:35:38,934 INFO  L130     BoogieDeclarations]: Found specification of procedure getc
[2020-10-15 04:35:38,934 INFO  L130     BoogieDeclarations]: Found specification of procedure getchar
[2020-10-15 04:35:38,934 INFO  L130     BoogieDeclarations]: Found specification of procedure getc_unlocked
[2020-10-15 04:35:38,934 INFO  L130     BoogieDeclarations]: Found specification of procedure getchar_unlocked
[2020-10-15 04:35:38,935 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetc_unlocked
[2020-10-15 04:35:38,935 INFO  L130     BoogieDeclarations]: Found specification of procedure fputc
[2020-10-15 04:35:38,935 INFO  L130     BoogieDeclarations]: Found specification of procedure putc
[2020-10-15 04:35:38,935 INFO  L130     BoogieDeclarations]: Found specification of procedure putchar
[2020-10-15 04:35:38,935 INFO  L130     BoogieDeclarations]: Found specification of procedure fputc_unlocked
[2020-10-15 04:35:38,935 INFO  L130     BoogieDeclarations]: Found specification of procedure putc_unlocked
[2020-10-15 04:35:38,936 INFO  L130     BoogieDeclarations]: Found specification of procedure putchar_unlocked
[2020-10-15 04:35:38,936 INFO  L130     BoogieDeclarations]: Found specification of procedure getw
[2020-10-15 04:35:38,936 INFO  L130     BoogieDeclarations]: Found specification of procedure putw
[2020-10-15 04:35:38,936 INFO  L130     BoogieDeclarations]: Found specification of procedure fgets
[2020-10-15 04:35:38,936 INFO  L130     BoogieDeclarations]: Found specification of procedure __getdelim
[2020-10-15 04:35:38,936 INFO  L130     BoogieDeclarations]: Found specification of procedure getdelim
[2020-10-15 04:35:38,937 INFO  L130     BoogieDeclarations]: Found specification of procedure getline
[2020-10-15 04:35:38,937 INFO  L130     BoogieDeclarations]: Found specification of procedure fputs
[2020-10-15 04:35:38,937 INFO  L130     BoogieDeclarations]: Found specification of procedure puts
[2020-10-15 04:35:38,937 INFO  L130     BoogieDeclarations]: Found specification of procedure ungetc
[2020-10-15 04:35:38,938 INFO  L130     BoogieDeclarations]: Found specification of procedure fread
[2020-10-15 04:35:38,938 INFO  L130     BoogieDeclarations]: Found specification of procedure fwrite
[2020-10-15 04:35:38,938 INFO  L130     BoogieDeclarations]: Found specification of procedure fread_unlocked
[2020-10-15 04:35:38,939 INFO  L130     BoogieDeclarations]: Found specification of procedure fwrite_unlocked
[2020-10-15 04:35:38,939 INFO  L130     BoogieDeclarations]: Found specification of procedure fseek
[2020-10-15 04:35:38,940 INFO  L130     BoogieDeclarations]: Found specification of procedure ftell
[2020-10-15 04:35:38,940 INFO  L130     BoogieDeclarations]: Found specification of procedure rewind
[2020-10-15 04:35:38,940 INFO  L130     BoogieDeclarations]: Found specification of procedure fseeko
[2020-10-15 04:35:38,940 INFO  L130     BoogieDeclarations]: Found specification of procedure ftello
[2020-10-15 04:35:38,941 INFO  L130     BoogieDeclarations]: Found specification of procedure fgetpos
[2020-10-15 04:35:38,941 INFO  L130     BoogieDeclarations]: Found specification of procedure fsetpos
[2020-10-15 04:35:38,945 INFO  L130     BoogieDeclarations]: Found specification of procedure clearerr
[2020-10-15 04:35:38,945 INFO  L130     BoogieDeclarations]: Found specification of procedure feof
[2020-10-15 04:35:38,945 INFO  L130     BoogieDeclarations]: Found specification of procedure ferror
[2020-10-15 04:35:38,946 INFO  L130     BoogieDeclarations]: Found specification of procedure clearerr_unlocked
[2020-10-15 04:35:38,946 INFO  L130     BoogieDeclarations]: Found specification of procedure feof_unlocked
[2020-10-15 04:35:38,946 INFO  L130     BoogieDeclarations]: Found specification of procedure ferror_unlocked
[2020-10-15 04:35:38,947 INFO  L130     BoogieDeclarations]: Found specification of procedure perror
[2020-10-15 04:35:38,947 INFO  L130     BoogieDeclarations]: Found specification of procedure fileno
[2020-10-15 04:35:38,947 INFO  L130     BoogieDeclarations]: Found specification of procedure fileno_unlocked
[2020-10-15 04:35:38,947 INFO  L130     BoogieDeclarations]: Found specification of procedure popen
[2020-10-15 04:35:38,947 INFO  L130     BoogieDeclarations]: Found specification of procedure pclose
[2020-10-15 04:35:38,947 INFO  L130     BoogieDeclarations]: Found specification of procedure ctermid
[2020-10-15 04:35:38,948 INFO  L130     BoogieDeclarations]: Found specification of procedure flockfile
[2020-10-15 04:35:38,948 INFO  L130     BoogieDeclarations]: Found specification of procedure ftrylockfile
[2020-10-15 04:35:38,948 INFO  L130     BoogieDeclarations]: Found specification of procedure funlockfile
[2020-10-15 04:35:38,949 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-10-15 04:35:38,949 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2020-10-15 04:35:38,956 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2020-10-15 04:35:38,957 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2020-10-15 04:35:38,957 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2020-10-15 04:35:38,957 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2020-10-15 04:35:38,957 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2020-10-15 04:35:38,957 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2020-10-15 04:35:38,958 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2020-10-15 04:35:38,958 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2020-10-15 04:35:38,958 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2020-10-15 04:35:38,958 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2020-10-15 04:35:38,958 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2020-10-15 04:35:38,958 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2020-10-15 04:35:38,959 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2020-10-15 04:35:38,959 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2020-10-15 04:35:38,960 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2020-10-15 04:35:38,960 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2020-10-15 04:35:38,960 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint16_identity
[2020-10-15 04:35:38,960 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint32_identity
[2020-10-15 04:35:38,960 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint64_identity
[2020-10-15 04:35:38,960 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2020-10-15 04:35:38,960 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2020-10-15 04:35:38,961 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-10-15 04:35:38,961 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-10-15 04:35:38,961 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-10-15 04:35:38,961 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2020-10-15 04:35:38,961 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2020-10-15 04:35:38,961 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2020-10-15 04:35:38,962 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2020-10-15 04:35:38,963 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2020-10-15 04:35:38,963 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2020-10-15 04:35:38,963 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2020-10-15 04:35:38,963 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2020-10-15 04:35:38,963 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2020-10-15 04:35:38,963 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2020-10-15 04:35:38,964 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2020-10-15 04:35:38,964 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2020-10-15 04:35:38,964 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2020-10-15 04:35:38,964 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2020-10-15 04:35:38,965 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2020-10-15 04:35:38,965 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2020-10-15 04:35:38,965 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2020-10-15 04:35:38,965 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2020-10-15 04:35:38,965 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2020-10-15 04:35:38,965 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2020-10-15 04:35:38,966 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2020-10-15 04:35:38,966 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2020-10-15 04:35:38,966 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-10-15 04:35:38,966 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-10-15 04:35:38,966 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-10-15 04:35:38,966 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-10-15 04:35:38,967 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2020-10-15 04:35:38,967 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2020-10-15 04:35:38,967 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-10-15 04:35:38,967 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-10-15 04:35:38,967 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2020-10-15 04:35:38,967 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2020-10-15 04:35:38,967 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-10-15 04:35:38,968 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2020-10-15 04:35:38,968 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2020-10-15 04:35:38,968 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-10-15 04:35:38,968 INFO  L130     BoogieDeclarations]: Found specification of procedure aligned_alloc
[2020-10-15 04:35:38,968 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2020-10-15 04:35:38,968 INFO  L130     BoogieDeclarations]: Found specification of procedure at_quick_exit
[2020-10-15 04:35:38,969 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2020-10-15 04:35:38,969 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2020-10-15 04:35:38,969 INFO  L130     BoogieDeclarations]: Found specification of procedure quick_exit
[2020-10-15 04:35:38,969 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2020-10-15 04:35:38,969 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2020-10-15 04:35:38,969 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2020-10-15 04:35:38,969 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2020-10-15 04:35:38,970 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2020-10-15 04:35:38,970 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2020-10-15 04:35:38,970 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2020-10-15 04:35:38,970 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2020-10-15 04:35:38,970 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2020-10-15 04:35:38,970 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-10-15 04:35:38,971 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2020-10-15 04:35:38,971 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2020-10-15 04:35:38,971 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2020-10-15 04:35:38,971 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2020-10-15 04:35:38,971 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2020-10-15 04:35:38,971 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2020-10-15 04:35:38,973 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2020-10-15 04:35:38,973 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2020-10-15 04:35:38,973 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2020-10-15 04:35:38,973 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2020-10-15 04:35:38,973 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2020-10-15 04:35:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2020-10-15 04:35:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2020-10-15 04:35:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2020-10-15 04:35:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2020-10-15 04:35:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2020-10-15 04:35:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-10-15 04:35:38,974 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-10-15 04:35:38,975 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-10-15 04:35:38,975 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-10-15 04:35:38,976 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2020-10-15 04:35:38,976 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2020-10-15 04:35:38,976 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2020-10-15 04:35:38,976 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-10-15 04:35:38,976 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2020-10-15 04:35:38,976 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2020-10-15 04:35:38,976 INFO  L130     BoogieDeclarations]: Found specification of procedure getsubopt
[2020-10-15 04:35:38,977 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2020-10-15 04:35:38,977 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_fail
[2020-10-15 04:35:38,977 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2020-10-15 04:35:38,977 INFO  L130     BoogieDeclarations]: Found specification of procedure __assert
[2020-10-15 04:35:38,977 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-10-15 04:35:38,977 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_cs
[2020-10-15 04:35:38,979 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init
[2020-10-15 04:35:38,983 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy
[2020-10-15 04:35:38,983 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-10-15 04:35:38,983 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-10-15 04:35:38,984 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock
[2020-10-15 04:35:38,984 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock
[2020-10-15 04:35:38,984 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init
[2020-10-15 04:35:38,984 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal
[2020-10-15 04:35:38,984 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-10-15 04:35:38,984 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-10-15 04:35:38,985 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast
[2020-10-15 04:35:38,985 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait
[2020-10-15 04:35:38,985 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_assert
[2020-10-15 04:35:38,985 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_assume
[2020-10-15 04:35:38,985 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_join
[2020-10-15 04:35:38,985 INFO  L130     BoogieDeclarations]: Found specification of procedure __CS_pthread_create
[2020-10-15 04:35:38,985 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2020-10-15 04:35:38,986 INFO  L130     BoogieDeclarations]: Found specification of procedure error
[2020-10-15 04:35:38,986 INFO  L130     BoogieDeclarations]: Found specification of procedure inc_top
[2020-10-15 04:35:38,989 INFO  L130     BoogieDeclarations]: Found specification of procedure dec_top
[2020-10-15 04:35:38,990 INFO  L130     BoogieDeclarations]: Found specification of procedure get_top
[2020-10-15 04:35:38,990 INFO  L130     BoogieDeclarations]: Found specification of procedure stack_empty
[2020-10-15 04:35:38,991 INFO  L130     BoogieDeclarations]: Found specification of procedure push
[2020-10-15 04:35:38,991 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-10-15 04:35:38,991 INFO  L130     BoogieDeclarations]: Found specification of procedure pop
[2020-10-15 04:35:38,991 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2020-10-15 04:35:38,991 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2020-10-15 04:35:38,991 INFO  L130     BoogieDeclarations]: Found specification of procedure main_thread
[2020-10-15 04:35:38,991 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-10-15 04:35:38,992 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-10-15 04:35:38,992 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-10-15 04:35:38,992 INFO  L130     BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$
[2020-10-15 04:35:38,992 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-10-15 04:35:38,992 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2020-10-15 04:35:38,992 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-10-15 04:35:39,801 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-15 04:35:39,802 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-15 04:35:39,802 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-15 04:35:39,802 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L994: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-15 04:35:39,802 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L994: assume !(0 != ~__CS_ret~0 % 256);#res := 0;
[2020-10-15 04:35:39,802 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-15 04:35:39,803 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L978-2: SUMMARY for call __CS_cs(); srcloc: null
[2020-10-15 04:35:39,803 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-15 04:35:39,803 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-15 04:35:40,058 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-15 04:35:40,058 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-15 04:35:40,058 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-15 04:35:40,058 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-15 04:35:40,077 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-15 04:35:40,077 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != ~__CS_ret~0 % 256;#res := 0;
[2020-10-15 04:35:41,377 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-15 04:35:41,377 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume 0 != ~__CS_ret~0 % 256;
[2020-10-15 04:35:41,377 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##7: assume 0 != ~__CS_ret~0 % 256;
[2020-10-15 04:35:41,377 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L922: SUMMARY for call __CS_cs(); srcloc: null
[2020-10-15 04:35:41,377 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L922-1: assume 0 != ~__CS_ret~0 % 256;
[2020-10-15 04:35:41,378 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint L922-1: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-15 04:35:41,378 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-15 04:35:41,378 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !(0 != ~__CS_ret~0 % 256);
[2020-10-15 04:35:41,378 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume 0 != ~__CS_ret~0 % 256;
[2020-10-15 04:35:41,403 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception:
java.lang.NullPointerException
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.addCallTransitionAndReturnTransition(CfgBuilder.java:394)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:269)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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)
[2020-10-15 04:35:41,409 INFO  L168              Benchmark]: Toolchain (without parser) took 3952.89 ms. Allocated memory was 147.8 MB in the beginning and 246.4 MB in the end (delta: 98.6 MB). Free memory was 101.5 MB in the beginning and 168.5 MB in the end (delta: -67.0 MB). Peak memory consumption was 106.9 MB. Max. memory is 7.1 GB.
[2020-10-15 04:35:41,410 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB.
[2020-10-15 04:35:41,411 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1223.03 ms. Allocated memory was 147.8 MB in the beginning and 205.5 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 127.7 MB in the end (delta: -26.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB.
[2020-10-15 04:35:41,412 INFO  L168              Benchmark]: Boogie Preprocessor took 151.29 ms. Allocated memory is still 205.5 MB. Free memory was 127.7 MB in the beginning and 120.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB.
[2020-10-15 04:35:41,413 INFO  L168              Benchmark]: RCFGBuilder took 2574.37 ms. Allocated memory was 205.5 MB in the beginning and 246.4 MB in the end (delta: 40.9 MB). Free memory was 120.0 MB in the beginning and 168.5 MB in the end (delta: -48.6 MB). Peak memory consumption was 67.7 MB. Max. memory is 7.1 GB.
[2020-10-15 04:35:41,417 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 147.8 MB. Free memory was 122.4 MB in the beginning and 122.0 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 1223.03 ms. Allocated memory was 147.8 MB in the beginning and 205.5 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 127.7 MB in the end (delta: -26.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 151.29 ms. Allocated memory is still 205.5 MB. Free memory was 127.7 MB in the beginning and 120.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 2574.37 ms. Allocated memory was 205.5 MB in the beginning and 246.4 MB in the end (delta: 40.9 MB). Free memory was 120.0 MB in the beginning and 168.5 MB in the end (delta: -48.6 MB). Peak memory consumption was 67.7 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...