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/loop-industry-pattern/mod3.c
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-14 00:38:50,099 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-14 00:38:50,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-14 00:38:50,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-14 00:38:50,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-14 00:38:50,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-14 00:38:50,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-14 00:38:50,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-14 00:38:50,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-14 00:38:50,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-14 00:38:50,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
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[2019-10-14 00:38:50,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-14 00:38:50,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-14 00:38:50,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-14 00:38:50,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-14 00:38:50,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-14 00:38:50,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-14 00:38:50,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-14 00:38:50,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-14 00:38:50,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-14 00:38:50,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2019-10-14 00:38:50,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-10-14 00:38:50,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-10-14 00:38:50,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-10-14 00:38:50,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2019-10-14 00:38:50,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-10-14 00:38:50,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-14 00:38:50,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-14 00:38:50,146 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
[2019-10-14 00:38:50,160 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-14 00:38:50,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-14 00:38:50,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-14 00:38:50,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-14 00:38:50,162 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-14 00:38:50,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-14 00:38:50,162 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-14 00:38:50,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-14 00:38:50,163 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-14 00:38:50,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-14 00:38:50,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-14 00:38:50,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-14 00:38:50,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-14 00:38:50,164 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-14 00:38:50,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-14 00:38:50,164 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-14 00:38:50,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-14 00:38:50,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-14 00:38:50,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-14 00:38:50,165 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-14 00:38:50,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-14 00:38:50,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-14 00:38:50,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-14 00:38:50,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-14 00:38:50,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-14 00:38:50,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-14 00:38:50,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-14 00:38:50,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-14 00:38:50,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain
[2019-10-14 00:38:50,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-14 00:38:50,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-14 00:38:50,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-14 00:38:50,480 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-14 00:38:50,480 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-14 00:38:50,481 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c
[2019-10-14 00:38:50,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ffd3e5a0/44930279804e48e4ad08ec357b85071d/FLAGc0d426b93
[2019-10-14 00:38:51,042 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-14 00:38:51,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c
[2019-10-14 00:38:51,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ffd3e5a0/44930279804e48e4ad08ec357b85071d/FLAGc0d426b93
[2019-10-14 00:38:51,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ffd3e5a0/44930279804e48e4ad08ec357b85071d
[2019-10-14 00:38:51,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-14 00:38:51,416 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-14 00:38:51,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-14 00:38:51,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-14 00:38:51,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-14 00:38:51,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:51" (1/1) ...
[2019-10-14 00:38:51,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7688e8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51, skipping insertion in model container
[2019-10-14 00:38:51,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:38:51" (1/1) ...
[2019-10-14 00:38:51,431 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-14 00:38:51,446 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-14 00:38:51,635 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-14 00:38:51,639 INFO L188 MainTranslator]: Completed pre-run
[2019-10-14 00:38:51,655 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-14 00:38:51,668 INFO L192 MainTranslator]: Completed translation
[2019-10-14 00:38:51,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51 WrapperNode
[2019-10-14 00:38:51,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-14 00:38:51,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-14 00:38:51,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-14 00:38:51,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-14 00:38:51,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ...
[2019-10-14 00:38:51,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ...
[2019-10-14 00:38:51,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ...
[2019-10-14 00:38:51,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ...
[2019-10-14 00:38:51,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ...
[2019-10-14 00:38:51,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ...
[2019-10-14 00:38:51,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (1/1) ...
[2019-10-14 00:38:51,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-14 00:38:51,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-14 00:38:51,790 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-14 00:38:51,790 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-14 00:38:51,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:38:51" (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
[2019-10-14 00:38:51,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-14 00:38:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-14 00:38:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2019-10-14 00:38:51,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-14 00:38:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-14 00:38:51,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-14 00:38:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-10-14 00:38:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-14 00:38:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-14 00:38:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-14 00:38:52,046 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-14 00:38:52,047 INFO L284 CfgBuilder]: Removed 1 assume(true) statements.
[2019-10-14 00:38:52,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:52 BoogieIcfgContainer
[2019-10-14 00:38:52,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-14 00:38:52,049 INFO L113 PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-10-14 00:38:52,049 INFO L271 PluginConnector]: Initializing Abstract Interpretation...
[2019-10-14 00:38:52,049 INFO L275 PluginConnector]: Abstract Interpretation initialized
[2019-10-14 00:38:52,050 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:38:52" (1/1) ...
[2019-10-14 00:38:52,080 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-10-14 00:38:52,152 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.
[2019-10-14 00:38:52,653 INFO L263 AbstractInterpreter]: Some error location(s) were reachable
[2019-10-14 00:38:52,683 INFO L272 AbstractInterpreter]: Visited 29 different actions 44 times. Merged at 9 different actions 9 times. Never widened. Performed 79 root evaluator evaluations with a maximum evaluation depth of 15. Performed 79 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 9 fixpoints after 6 different actions. Largest state had 5 variables.
[2019-10-14 00:38:52,683 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-10-14 00:38:52,689 INFO L168 Benchmark]: Toolchain (without parser) took 1269.50 ms. Allocated memory was 142.6 MB in the beginning and 228.6 MB in the end (delta: 86.0 MB). Free memory was 100.4 MB in the beginning and 170.7 MB in the end (delta: -70.3 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB.
[2019-10-14 00:38:52,691 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2019-10-14 00:38:52,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.81 ms. Allocated memory is still 142.6 MB. Free memory was 100.2 MB in the beginning and 90.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
[2019-10-14 00:38:52,696 INFO L168 Benchmark]: Boogie Preprocessor took 119.44 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 90.7 MB in the beginning and 178.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
[2019-10-14 00:38:52,699 INFO L168 Benchmark]: RCFGBuilder took 258.82 ms. Allocated memory is still 200.3 MB. Free memory was 178.5 MB in the beginning and 166.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB.
[2019-10-14 00:38:52,701 INFO L168 Benchmark]: Abstract Interpretation took 634.29 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 166.5 MB in the beginning and 170.7 MB in the end (delta: -4.2 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB.
[2019-10-14 00:38:52,715 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 252.81 ms. Allocated memory is still 142.6 MB. Free memory was 100.2 MB in the beginning and 90.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 119.44 ms. Allocated memory was 142.6 MB in the beginning and 200.3 MB in the end (delta: 57.7 MB). Free memory was 90.7 MB in the beginning and 178.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 258.82 ms. Allocated memory is still 200.3 MB. Free memory was 178.5 MB in the beginning and 166.5 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB.
* Abstract Interpretation took 634.29 ms. Allocated memory was 200.3 MB in the beginning and 228.6 MB in the end (delta: 28.3 MB). Free memory was 166.5 MB in the beginning and 170.7 MB in the end (delta: -4.2 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
- UnprovableResult [Line: 8]: 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:
[L13] unsigned int x;
[L14] unsigned int y = 1;
[L16] COND TRUE __VERIFIER_nondet_int()
[L17] COND TRUE x % 3 == 1
[L18] x += 2
[L18] y = 0
[L16] COND FALSE !(__VERIFIER_nondet_int())
[L30] COND TRUE y == 0
[L31] CALL __VERIFIER_assert(x % 3 == 0)
[L7] COND TRUE !(cond)
[L8] __VERIFIER_error()
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...