/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/loop-industry-pattern/mod3.c.v+sep-reducer.c


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


This is Ultimate 0.1.24-fb55353
[2019-11-07 06:57:21,448 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-11-07 06:57:21,451 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-07 06:57:21,470 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-07 06:57:21,470 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-07 06:57:21,472 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-07 06:57:21,474 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2019-11-07 06:57:21,499 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-07 06:57:21,501 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-07 06:57:21,501 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-07 06:57:21,503 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-07 06:57:21,507 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-07 06:57:21,512 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-07 06:57:21,515 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2019-11-07 06:57:21,527 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-11-07 06:57:21,535 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 06:57:21,562 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-11-07 06:57:21,562 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-07 06:57:21,563 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-07 06:57:21,564 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-11-07 06:57:21,564 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-11-07 06:57:21,564 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-07 06:57:21,564 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-11-07 06:57:21,565 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-11-07 06:57:21,565 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-11-07 06:57:21,565 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-11-07 06:57:21,565 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-11-07 06:57:21,565 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-07 06:57:21,565 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-11-07 06:57:21,566 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-11-07 06:57:21,566 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-11-07 06:57:21,566 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-11-07 06:57:21,566 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-11-07 06:57:21,566 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-07 06:57:21,567 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-11-07 06:57:21,567 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-11-07 06:57:21,567 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-11-07 06:57:21,567 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-07 06:57:21,568 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-07 06:57:21,568 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-11-07 06:57:21,568 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-07 06:57:21,568 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-11-07 06:57:21,568 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-07 06:57:21,569 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-07 06:57:21,569 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 06:57:21,842 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-07 06:57:21,856 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-07 06:57:21,859 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-07 06:57:21,860 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-11-07 06:57:21,861 INFO  L275        PluginConnector]: CDTParser initialized
[2019-11-07 06:57:21,862 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c
[2019-11-07 06:57:21,938 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa161f3e8/bc68466733e547cfa78640c51ff8017d/FLAG2e1367f90
[2019-11-07 06:57:22,396 INFO  L306              CDTParser]: Found 1 translation units.
[2019-11-07 06:57:22,397 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c
[2019-11-07 06:57:22,404 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa161f3e8/bc68466733e547cfa78640c51ff8017d/FLAG2e1367f90
[2019-11-07 06:57:22,786 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa161f3e8/bc68466733e547cfa78640c51ff8017d
[2019-11-07 06:57:22,795 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-07 06:57:22,797 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-11-07 06:57:22,798 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-07 06:57:22,798 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-07 06:57:22,801 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-07 06:57:22,802 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:22" (1/1) ...
[2019-11-07 06:57:22,805 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6170030d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22, skipping insertion in model container
[2019-11-07 06:57:22,805 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:22" (1/1) ...
[2019-11-07 06:57:22,812 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-11-07 06:57:22,836 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-11-07 06:57:23,011 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-07 06:57:23,016 INFO  L188         MainTranslator]: Completed pre-run
[2019-11-07 06:57:23,041 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-11-07 06:57:23,053 INFO  L192         MainTranslator]: Completed translation
[2019-11-07 06:57:23,053 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23 WrapperNode
[2019-11-07 06:57:23,054 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-07 06:57:23,054 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-07 06:57:23,054 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-07 06:57:23,054 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-11-07 06:57:23,150 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ...
[2019-11-07 06:57:23,150 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ...
[2019-11-07 06:57:23,156 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ...
[2019-11-07 06:57:23,156 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ...
[2019-11-07 06:57:23,168 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ...
[2019-11-07 06:57:23,173 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ...
[2019-11-07 06:57:23,177 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ...
[2019-11-07 06:57:23,179 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-07 06:57:23,180 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-07 06:57:23,180 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-11-07 06:57:23,180 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-11-07 06:57:23,181 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (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 06:57:23,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-11-07 06:57:23,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-07 06:57:23,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-11-07 06:57:23,237 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-11-07 06:57:23,237 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-11-07 06:57:23,237 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-11-07 06:57:23,237 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-11-07 06:57:23,238 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-11-07 06:57:23,238 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-07 06:57:23,483 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-07 06:57:23,484 INFO  L284             CfgBuilder]: Removed 0 assume(true) statements.
[2019-11-07 06:57:23,485 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:23 BoogieIcfgContainer
[2019-11-07 06:57:23,485 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-07 06:57:23,486 INFO  L113        PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-11-07 06:57:23,486 INFO  L271        PluginConnector]: Initializing Abstract Interpretation...
[2019-11-07 06:57:23,486 INFO  L275        PluginConnector]: Abstract Interpretation initialized
[2019-11-07 06:57:23,487 INFO  L185        PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:23" (1/1) ...
[2019-11-07 06:57:23,518 INFO  L101         FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-11-07 06:57:23,656 WARN  L79         EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.
[2019-11-07 06:57:25,103 INFO  L263    AbstractInterpreter]: Some error location(s) were reachable
[2019-11-07 06:57:25,125 INFO  L272    AbstractInterpreter]: Visited 37 different actions 298 times. Merged at 29 different actions 187 times. Widened at 5 different actions 7 times. Performed 1352 root evaluator evaluations with a maximum evaluation depth of 13. Performed 1352 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 75 fixpoints after 16 different actions. Largest state had 29 variables.
[2019-11-07 06:57:25,126 INFO  L132        PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-11-07 06:57:25,130 INFO  L168              Benchmark]: Toolchain (without parser) took 2330.71 ms. Allocated memory was 146.3 MB in the beginning and 246.4 MB in the end (delta: 100.1 MB). Free memory was 103.2 MB in the beginning and 107.2 MB in the end (delta: -4.0 MB). Peak memory consumption was 96.1 MB. Max. memory is 7.1 GB.
[2019-11-07 06:57:25,132 INFO  L168              Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2019-11-07 06:57:25,133 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 255.84 ms. Allocated memory is still 146.3 MB. Free memory was 102.8 MB in the beginning and 91.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB.
[2019-11-07 06:57:25,135 INFO  L168              Benchmark]: Boogie Preprocessor took 125.26 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 91.8 MB in the beginning and 181.6 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
[2019-11-07 06:57:25,137 INFO  L168              Benchmark]: RCFGBuilder took 305.45 ms. Allocated memory is still 203.9 MB. Free memory was 181.6 MB in the beginning and 166.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB.
[2019-11-07 06:57:25,138 INFO  L168              Benchmark]: Abstract Interpretation took 1640.21 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 166.3 MB in the beginning and 107.2 MB in the end (delta: 59.1 MB). Peak memory consumption was 101.6 MB. Max. memory is 7.1 GB.
[2019-11-07 06:57:25,149 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 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 255.84 ms. Allocated memory is still 146.3 MB. Free memory was 102.8 MB in the beginning and 91.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 125.26 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 91.8 MB in the beginning and 181.6 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 305.45 ms. Allocated memory is still 203.9 MB. Free memory was 181.6 MB in the beginning and 166.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB.
 * Abstract Interpretation took 1640.21 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 166.3 MB in the beginning and 107.2 MB in the end (delta: 59.1 MB). Peak memory consumption was 101.6 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
  - UnprovableResult [Line: 95]: 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;
[L6]               int __tmp_31_0;
[L7]               int __tmp_28_0;
[L8]               int __return_65;
[L9]               int __tmp_22_0;
[L10]              int __tmp_22_1;
[L11]              int __tmp_25_0;
[L12]              int __tmp_25_1;
[L15]              unsigned int main__x;
[L16]              unsigned int main__y = 1;
[L18]              int main____CPAchecker_TMP_0;
[L19]              main____CPAchecker_TMP_0 = __VERIFIER_nondet_int()
[L20]  COND TRUE   !(main____CPAchecker_TMP_0 == 0)
[L22]  COND TRUE   (main__x % 3) == 1
[L24]              main__x = main__x + 2
[L25]              main__y = 0
[L26]              __tmp_31_0 = main____CPAchecker_TMP_0
[L28]              main____CPAchecker_TMP_0 = __tmp_31_0
[L41]              int main____CPAchecker_TMP_0;
[L42]              main____CPAchecker_TMP_0 = __VERIFIER_nondet_int()
[L43]  COND FALSE  !(!(main____CPAchecker_TMP_0 == 0))
[L86]  COND TRUE   main__y == 0
[L89]              int __tmp_1;
[L90]              __tmp_1 = (main__x % 3) == 0
[L91]              int __VERIFIER_assert__cond;
[L92]              __VERIFIER_assert__cond = __tmp_1
[L93]  COND TRUE   __VERIFIER_assert__cond == 0
[L95]              __VERIFIER_error()

RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...