/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/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.24-fb55353
[2019-11-07 07:07:33,512 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-11-07 07:07:33,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-07 07:07:33,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-07 07:07:33,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-07 07:07:33,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-07 07:07:33,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-07 07:07:33,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-07 07:07:33,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-07 07:07:33,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2019-11-07 07:07:33,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-07 07:07:33,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-07 07:07:33,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-07 07:07:33,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-07 07:07:33,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-07 07:07:33,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-07 07:07:33,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-07 07:07:33,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-07 07:07:33,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-07 07:07:33,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-07 07:07:33,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values
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[2019-11-07 07:07:33,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-07 07:07:33,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-07 07:07:33,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2019-11-07 07:07:33,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-11-07 07:07:33,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2019-11-07 07:07:33,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2019-11-07 07:07:33,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2019-11-07 07:07:33,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-11-07 07:07:33,587 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-07 07:07:33,604 INFO L113 SettingsManager]: Loading preferences was successful
[2019-11-07 07:07:33,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-07 07:07:33,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-07 07:07:33,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-11-07 07:07:33,607 INFO L138 SettingsManager]: * Use SBE=true
[2019-11-07 07:07:33,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-07 07:07:33,608 INFO L138 SettingsManager]: * sizeof long=4
[2019-11-07 07:07:33,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-11-07 07:07:33,609 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-11-07 07:07:33,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-11-07 07:07:33,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-11-07 07:07:33,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-07 07:07:33,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-11-07 07:07:33,611 INFO L138 SettingsManager]: * sizeof long double=12
[2019-11-07 07:07:33,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-11-07 07:07:33,612 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-11-07 07:07:33,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-11-07 07:07:33,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-07 07:07:33,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-11-07 07:07:33,612 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-11-07 07:07:33,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-11-07 07:07:33,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-07 07:07:33,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-07 07:07:33,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-11-07 07:07:33,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-07 07:07:33,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-11-07 07:07:33,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-07 07:07:33,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-07 07:07:33,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain
[2019-11-07 07:07:33,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-07 07:07:33,967 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-07 07:07:33,970 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-07 07:07:33,971 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-11-07 07:07:33,972 INFO L275 PluginConnector]: CDTParser initialized
[2019-11-07 07:07:33,973 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c
[2019-11-07 07:07:34,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0947fc4/297b79f3d0b4473da9c8dfbf85d21522/FLAGcae440ef7
[2019-11-07 07:07:34,614 INFO L306 CDTParser]: Found 1 translation units.
[2019-11-07 07:07:34,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c
[2019-11-07 07:07:34,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0947fc4/297b79f3d0b4473da9c8dfbf85d21522/FLAGcae440ef7
[2019-11-07 07:07:34,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b0947fc4/297b79f3d0b4473da9c8dfbf85d21522
[2019-11-07 07:07:34,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-07 07:07:34,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-11-07 07:07:34,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-07 07:07:34,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-07 07:07:34,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-07 07:07:34,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:34" (1/1) ...
[2019-11-07 07:07:34,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a116c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:34, skipping insertion in model container
[2019-11-07 07:07:34,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:34" (1/1) ...
[2019-11-07 07:07:34,904 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-11-07 07:07:34,959 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-11-07 07:07:35,499 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-11-07 07:07:35,512 INFO L188 MainTranslator]: Completed pre-run
[2019-11-07 07:07:35,672 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-11-07 07:07:35,694 INFO L192 MainTranslator]: Completed translation
[2019-11-07 07:07:35,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35 WrapperNode
[2019-11-07 07:07:35,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-07 07:07:35,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-07 07:07:35,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-07 07:07:35,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-11-07 07:07:35,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ...
[2019-11-07 07:07:35,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ...
[2019-11-07 07:07:35,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ...
[2019-11-07 07:07:35,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ...
[2019-11-07 07:07:35,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ...
[2019-11-07 07:07:35,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ...
[2019-11-07 07:07:35,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ...
[2019-11-07 07:07:35,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-07 07:07:35,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-07 07:07:35,782 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-11-07 07:07:35,782 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-11-07 07:07:35,783 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ...
No working directory specified, using /storage/repos/ultimate/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
[2019-11-07 07:07:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-07 07:07:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-07 07:07:35,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-11-07 07:07:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-11-07 07:07:35,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2019-11-07 07:07:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar
[2019-11-07 07:07:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2019-11-07 07:07:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure assert
[2019-11-07 07:07:35,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-11-07 07:07:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure read
[2019-11-07 07:07:35,874 INFO L130 BoogieDeclarations]: Found specification of procedure write
[2019-11-07 07:07:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure node1
[2019-11-07 07:07:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure node2
[2019-11-07 07:07:35,875 INFO L130 BoogieDeclarations]: Found specification of procedure node3
[2019-11-07 07:07:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure init
[2019-11-07 07:07:35,876 INFO L130 BoogieDeclarations]: Found specification of procedure check
[2019-11-07 07:07:35,878 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-11-07 07:07:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-07 07:07:35,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-07 07:07:37,353 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-07 07:07:37,354 INFO L284 CfgBuilder]: Removed 0 assume(true) statements.
[2019-11-07 07:07:37,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:37 BoogieIcfgContainer
[2019-11-07 07:07:37,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-07 07:07:37,357 INFO L113 PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-11-07 07:07:37,357 INFO L271 PluginConnector]: Initializing Abstract Interpretation...
[2019-11-07 07:07:37,358 INFO L275 PluginConnector]: Abstract Interpretation initialized
[2019-11-07 07:07:37,359 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:37" (1/1) ...
[2019-11-07 07:07:37,402 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-11-07 07:07:37,614 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.
[2019-11-07 07:07:44,414 INFO L263 AbstractInterpreter]: Some error location(s) were reachable
[2019-11-07 07:07:44,492 INFO L272 AbstractInterpreter]: Visited 527 different actions 10915 times. Merged at 347 different actions 5926 times. Widened at 90 different actions 897 times. Performed 29355 root evaluator evaluations with a maximum evaluation depth of 5. Performed 29355 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 3159 fixpoints after 235 different actions. Largest state had 196 variables.
[2019-11-07 07:07:44,492 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-11-07 07:07:44,495 INFO L168 Benchmark]: Toolchain (without parser) took 9606.63 ms. Allocated memory was 143.7 MB in the beginning and 443.5 MB in the end (delta: 299.9 MB). Free memory was 98.8 MB in the beginning and 345.6 MB in the end (delta: -246.9 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB.
[2019-11-07 07:07:44,496 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
[2019-11-07 07:07:44,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.03 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 98.6 MB in the beginning and 168.4 MB in the end (delta: -69.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB.
[2019-11-07 07:07:44,499 INFO L168 Benchmark]: Boogie Preprocessor took 85.26 ms. Allocated memory is still 200.3 MB. Free memory was 168.4 MB in the beginning and 164.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB.
[2019-11-07 07:07:44,502 INFO L168 Benchmark]: RCFGBuilder took 1574.79 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 164.9 MB in the beginning and 160.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB.
[2019-11-07 07:07:44,503 INFO L168 Benchmark]: Abstract Interpretation took 7134.95 ms. Allocated memory was 231.2 MB in the beginning and 443.5 MB in the end (delta: 212.3 MB). Free memory was 160.1 MB in the beginning and 345.6 MB in the end (delta: -185.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB.
[2019-11-07 07:07:44,515 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 807.03 ms. Allocated memory was 143.7 MB in the beginning and 200.3 MB in the end (delta: 56.6 MB). Free memory was 98.6 MB in the beginning and 168.4 MB in the end (delta: -69.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 85.26 ms. Allocated memory is still 200.3 MB. Free memory was 168.4 MB in the beginning and 164.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 1574.79 ms. Allocated memory was 200.3 MB in the beginning and 231.2 MB in the end (delta: 30.9 MB). Free memory was 164.9 MB in the beginning and 160.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB.
* Abstract Interpretation took 7134.95 ms. Allocated memory was 231.2 MB in the beginning and 443.5 MB in the end (delta: 212.3 MB). Free memory was 160.1 MB in the beginning and 345.6 MB in the end (delta: -185.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
- UnprovableResult [Line: 829]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: abstract domain could reach this error location.
Possible FailurePath:
[L1] int __return_main;
[L12] msg_t nomsg = (msg_t )-1;
[L13] port_t p12 = 0;
[L14] char p12_old = '\x0';
[L15] char p12_new = '\x0';
[L16] _Bool ep12 = 0;
[L17] port_t p13 = 0;
[L18] char p13_old = '\x0';
[L19] char p13_new = '\x0';
[L20] _Bool ep13 = 0;
[L21] port_t p21 = 0;
[L22] char p21_old = '\x0';
[L23] char p21_new = '\x0';
[L24] _Bool ep21 = 0;
[L25] port_t p23 = 0;
[L26] char p23_old = '\x0';
[L27] char p23_new = '\x0';
[L28] _Bool ep23 = 0;
[L29] port_t p31 = 0;
[L30] char p31_old = '\x0';
[L31] char p31_new = '\x0';
[L32] _Bool ep31 = 0;
[L33] port_t p32 = 0;
[L34] char p32_old = '\x0';
[L35] char p32_new = '\x0';
[L36] _Bool ep32 = 0;
[L37] char id1 = '\x0';
[L38] unsigned char r1 = '\x0';
[L39] char st1 = '\x0';
[L40] char nl1 = '\x0';
[L41] char m1 = '\x0';
[L42] char max1 = '\x0';
[L43] _Bool mode1 = 0;
[L44] char id2 = '\x0';
[L45] unsigned char r2 = '\x0';
[L46] char st2 = '\x0';
[L47] char nl2 = '\x0';
[L48] char m2 = '\x0';
[L49] char max2 = '\x0';
[L50] _Bool mode2 = 0;
[L51] char id3 = '\x0';
[L52] unsigned char r3 = '\x0';
[L53] char st3 = '\x0';
[L54] char nl3 = '\x0';
[L55] char m3 = '\x0';
[L56] char max3 = '\x0';
[L57] _Bool mode3 = 0;
[L61] void (*nodes[3])() = { &node1, &node2, &node3 };
[L65] int __return_1718;
[L66] int __return_1846;
[L67] int __return_1964;
[L68] int __return_2082;
[L69] int __return_2205;
[L70] int __return_2315;
[L73] int main__c1;
[L74] int main__i2;
[L75] main__c1 = 0
[L76] ep12 = __VERIFIER_nondet_bool()
[L77] ep13 = __VERIFIER_nondet_bool()
[L78] ep21 = __VERIFIER_nondet_bool()
[L79] ep23 = __VERIFIER_nondet_bool()
[L80] ep31 = __VERIFIER_nondet_bool()
[L81] ep32 = __VERIFIER_nondet_bool()
[L82] id1 = __VERIFIER_nondet_char()
[L83] r1 = __VERIFIER_nondet_uchar()
[L84] st1 = __VERIFIER_nondet_char()
[L85] nl1 = __VERIFIER_nondet_char()
[L86] m1 = __VERIFIER_nondet_char()
[L87] max1 = __VERIFIER_nondet_char()
[L88] mode1 = __VERIFIER_nondet_bool()
[L89] id2 = __VERIFIER_nondet_char()
[L90] r2 = __VERIFIER_nondet_uchar()
[L91] st2 = __VERIFIER_nondet_char()
[L92] nl2 = __VERIFIER_nondet_char()
[L93] m2 = __VERIFIER_nondet_char()
[L94] max2 = __VERIFIER_nondet_char()
[L95] mode2 = __VERIFIER_nondet_bool()
[L96] id3 = __VERIFIER_nondet_char()
[L97] r3 = __VERIFIER_nondet_uchar()
[L98] st3 = __VERIFIER_nondet_char()
[L99] nl3 = __VERIFIER_nondet_char()
[L100] m3 = __VERIFIER_nondet_char()
[L101] max3 = __VERIFIER_nondet_char()
[L102] mode3 = __VERIFIER_nondet_bool()
[L104] _Bool init__r121;
[L105] _Bool init__r131;
[L106] _Bool init__r211;
[L107] _Bool init__r231;
[L108] _Bool init__r311;
[L109] _Bool init__r321;
[L110] _Bool init__r122;
[L111] int init__tmp;
[L112] _Bool init__r132;
[L113] int init__tmp___0;
[L114] _Bool init__r212;
[L115] int init__tmp___1;
[L116] _Bool init__r232;
[L117] int init__tmp___2;
[L118] _Bool init__r312;
[L119] int init__tmp___3;
[L120] _Bool init__r322;
[L121] int init__tmp___4;
[L122] int init__tmp___5;
[L123] init__r121 = ep12
[L124] init__r131 = ep13
[L125] init__r211 = ep21
[L126] init__r231 = ep23
[L127] init__r311 = ep31
[L128] init__r321 = ep32
[L129] COND TRUE !(init__r121 == 0)
[L131] init__tmp = 1
[L133] init__r122 = (_Bool)init__tmp
[L134] COND TRUE !(init__r131 == 0)
[L136] init__tmp___0 = 1
[L138] init__r132 = (_Bool)init__tmp___0
[L139] COND TRUE !(init__r211 == 0)
[L141] init__tmp___1 = 1
[L143] init__r212 = (_Bool)init__tmp___1
[L144] COND TRUE !(init__r231 == 0)
[L146] init__tmp___2 = 1
[L148] init__r232 = (_Bool)init__tmp___2
[L149] COND TRUE !(init__r311 == 0)
[L151] init__tmp___3 = 1
[L153] init__r312 = (_Bool)init__tmp___3
[L154] COND TRUE !(init__r321 == 0)
[L156] init__tmp___4 = 1
[L158] init__r322 = (_Bool)init__tmp___4
[L159] COND TRUE ((int)id1) != ((int)id2)
[L161] COND TRUE ((int)id1) != ((int)id3)
[L163] COND TRUE ((int)id2) != ((int)id3)
[L165] COND TRUE ((int)id1) >= 0
[L167] COND TRUE ((int)id2) >= 0
[L169] COND TRUE ((int)id3) >= 0
[L171] COND TRUE ((int)r1) == 0
[L173] COND TRUE ((int)r2) == 0
[L175] COND TRUE ((int)r3) == 0
[L177] COND TRUE ((int)max1) == ((int)id1)
[L179] COND TRUE ((int)max2) == ((int)id2)
[L181] COND TRUE ((int)max3) == ((int)id3)
[L183] COND TRUE ((int)st1) == 0
[L185] COND TRUE ((int)st2) == 0
[L187] COND TRUE ((int)st3) == 0
[L189] COND TRUE ((int)nl1) == 0
[L191] COND TRUE ((int)nl2) == 0
[L193] COND TRUE ((int)nl3) == 0
[L195] COND TRUE ((int)mode1) == 0
[L197] COND TRUE ((int)mode2) == 0
[L199] COND TRUE ((int)mode3) == 0
[L201] init__tmp___5 = 1
[L202] __return_1718 = init__tmp___5
[L203] main__i2 = __return_1718
[L204] COND TRUE main__i2 != 0
[L206] p12_old = nomsg
[L207] p12_new = nomsg
[L208] p13_old = nomsg
[L209] p13_new = nomsg
[L210] p21_old = nomsg
[L211] p21_new = nomsg
[L212] p23_old = nomsg
[L213] p23_new = nomsg
[L214] p31_old = nomsg
[L215] p31_new = nomsg
[L216] p32_old = nomsg
[L217] p32_new = nomsg
[L218] main__i2 = 0
[L220] COND FALSE !(!(mode1 == 0))
[L226] COND TRUE ((int)r1) < 2
[L228] COND FALSE !(!(ep12 == 0))
[L239] COND FALSE !(!(ep13 == 0))
[L250] mode1 = 1
[L252] COND FALSE !(!(mode2 == 0))
[L258] COND TRUE ((int)r2) < 2
[L260] COND FALSE !(!(ep21 == 0))
[L271] COND FALSE !(!(ep23 == 0))
[L282] mode2 = 1
[L284] COND FALSE !(!(mode3 == 0))
[L290] COND TRUE ((int)r3) < 2
[L292] COND FALSE !(!(ep31 == 0))
[L303] COND FALSE !(!(ep32 == 0))
[L314] mode3 = 1
[L315] p12_old = p12_new
[L316] p12_new = nomsg
[L317] p13_old = p13_new
[L318] p13_new = nomsg
[L319] p21_old = p21_new
[L320] p21_new = nomsg
[L321] p23_old = p23_new
[L322] p23_new = nomsg
[L323] p31_old = p31_new
[L324] p31_new = nomsg
[L325] p32_old = p32_new
[L326] p32_new = nomsg
[L328] int check__tmp;
[L329] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1
[L331] COND TRUE (((int)st1) + ((int)nl1)) <= 1
[L333] COND TRUE (((int)st2) + ((int)nl2)) <= 1
[L335] COND TRUE (((int)st3) + ((int)nl3)) <= 1
[L337] COND FALSE !(((int)r1) >= 2)
[L343] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0
[L345] COND TRUE ((int)r1) < 2
[L347] COND FALSE !(((int)r1) >= 2)
[L353] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0
[L355] COND TRUE ((int)r1) < 2
[L357] check__tmp = 1
[L358] __return_1846 = check__tmp
[L359] main__c1 = __return_1846
[L361] _Bool __tmp_1;
[L362] __tmp_1 = main__c1
[L363] _Bool assert__arg;
[L364] assert__arg = __tmp_1
[L365] COND FALSE !(assert__arg == 0)
[L372] COND TRUE !(mode1 == 0)
[L374] COND FALSE !(r1 == 255)
[L380] r1 = r1 + 1
[L381] COND FALSE !(!(ep21 == 0))
[L389] COND FALSE !(!(ep31 == 0))
[L397] COND FALSE !(((int)r1) == 2)
[L403] mode1 = 0
[L405] COND TRUE !(mode2 == 0)
[L407] COND FALSE !(r2 == 255)
[L413] r2 = r2 + 1
[L414] COND FALSE !(!(ep12 == 0))
[L422] COND FALSE !(!(ep32 == 0))
[L430] COND FALSE !(((int)r2) == 2)
[L436] mode2 = 0
[L438] COND TRUE !(mode3 == 0)
[L440] COND FALSE !(r3 == 255)
[L446] r3 = r3 + 1
[L447] COND FALSE !(!(ep13 == 0))
[L455] COND FALSE !(!(ep23 == 0))
[L463] COND FALSE !(((int)r3) == 2)
[L469] mode3 = 0
[L470] p12_old = p12_new
[L471] p12_new = nomsg
[L472] p13_old = p13_new
[L473] p13_new = nomsg
[L474] p21_old = p21_new
[L475] p21_new = nomsg
[L476] p23_old = p23_new
[L477] p23_new = nomsg
[L478] p31_old = p31_new
[L479] p31_new = nomsg
[L480] p32_old = p32_new
[L481] p32_new = nomsg
[L483] int check__tmp;
[L484] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1
[L486] COND TRUE (((int)st1) + ((int)nl1)) <= 1
[L488] COND TRUE (((int)st2) + ((int)nl2)) <= 1
[L490] COND TRUE (((int)st3) + ((int)nl3)) <= 1
[L492] COND FALSE !(((int)r1) >= 2)
[L498] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0
[L500] COND TRUE ((int)r1) < 2
[L502] COND FALSE !(((int)r1) >= 2)
[L508] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0
[L510] COND TRUE ((int)r1) < 2
[L512] check__tmp = 1
[L513] __return_1964 = check__tmp
[L514] main__c1 = __return_1964
[L516] _Bool __tmp_2;
[L517] __tmp_2 = main__c1
[L518] _Bool assert__arg;
[L519] assert__arg = __tmp_2
[L520] COND FALSE !(assert__arg == 0)
[L527] COND FALSE !(!(mode1 == 0))
[L533] COND TRUE ((int)r1) < 2
[L535] COND FALSE !(!(ep12 == 0))
[L546] COND FALSE !(!(ep13 == 0))
[L557] mode1 = 1
[L559] COND FALSE !(!(mode2 == 0))
[L565] COND TRUE ((int)r2) < 2
[L567] COND FALSE !(!(ep21 == 0))
[L578] COND FALSE !(!(ep23 == 0))
[L589] mode2 = 1
[L591] COND FALSE !(!(mode3 == 0))
[L597] COND TRUE ((int)r3) < 2
[L599] COND FALSE !(!(ep31 == 0))
[L610] COND FALSE !(!(ep32 == 0))
[L621] mode3 = 1
[L622] p12_old = p12_new
[L623] p12_new = nomsg
[L624] p13_old = p13_new
[L625] p13_new = nomsg
[L626] p21_old = p21_new
[L627] p21_new = nomsg
[L628] p23_old = p23_new
[L629] p23_new = nomsg
[L630] p31_old = p31_new
[L631] p31_new = nomsg
[L632] p32_old = p32_new
[L633] p32_new = nomsg
[L635] int check__tmp;
[L636] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1
[L638] COND TRUE (((int)st1) + ((int)nl1)) <= 1
[L640] COND TRUE (((int)st2) + ((int)nl2)) <= 1
[L642] COND TRUE (((int)st3) + ((int)nl3)) <= 1
[L644] COND FALSE !(((int)r1) >= 2)
[L650] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0
[L652] COND TRUE ((int)r1) < 2
[L654] COND FALSE !(((int)r1) >= 2)
[L660] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0
[L662] COND TRUE ((int)r1) < 2
[L664] check__tmp = 1
[L665] __return_2082 = check__tmp
[L666] main__c1 = __return_2082
[L668] _Bool __tmp_3;
[L669] __tmp_3 = main__c1
[L670] _Bool assert__arg;
[L671] assert__arg = __tmp_3
[L672] COND FALSE !(assert__arg == 0)
[L679] COND TRUE !(mode1 == 0)
[L681] COND FALSE !(r1 == 255)
[L687] r1 = r1 + 1
[L688] COND FALSE !(!(ep21 == 0))
[L696] COND FALSE !(!(ep31 == 0))
[L704] COND TRUE ((int)r1) == 2
[L706] COND TRUE ((int)max1) == ((int)id1)
[L708] st1 = 1
[L710] mode1 = 0
[L712] COND TRUE !(mode2 == 0)
[L714] COND FALSE !(r2 == 255)
[L720] r2 = r2 + 1
[L721] COND FALSE !(!(ep12 == 0))
[L729] COND FALSE !(!(ep32 == 0))
[L737] COND TRUE ((int)r2) == 2
[L739] COND FALSE !(((int)max2) == ((int)id2))
[L1475] nl2 = 1
[L743] mode2 = 0
[L745] COND TRUE !(mode3 == 0)
[L747] COND FALSE !(r3 == 255)
[L753] r3 = r3 + 1
[L754] COND FALSE !(!(ep13 == 0))
[L762] COND FALSE !(!(ep23 == 0))
[L770] COND TRUE ((int)r3) == 2
[L772] COND TRUE ((int)max3) == ((int)id3)
[L774] st3 = 1
[L776] mode3 = 0
[L777] p12_old = p12_new
[L778] p12_new = nomsg
[L779] p13_old = p13_new
[L780] p13_new = nomsg
[L781] p21_old = p21_new
[L782] p21_new = nomsg
[L783] p23_old = p23_new
[L784] p23_new = nomsg
[L785] p31_old = p31_new
[L786] p31_new = nomsg
[L787] p32_old = p32_new
[L788] p32_new = nomsg
[L790] int check__tmp;
[L791] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1)
[L1430] check__tmp = 0
[L819] __return_2205 = check__tmp
[L820] main__c1 = __return_2205
[L823] _Bool __tmp_4;
[L824] __tmp_4 = main__c1
[L825] _Bool assert__arg;
[L826] assert__arg = __tmp_4
[L827] COND TRUE assert__arg == 0
[L829] __VERIFIER_error()
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...