java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c


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


This is Ultimate 0.1.24-f3d0b09
[2019-08-08 14:28:11,475 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2019-08-08 14:28:11,572 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
[2019-08-08 14:28:11,598 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-08-08 14:28:11,598 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-08-08 14:28:11,601 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-08-08 14:28:11,601 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-08-08 14:28:11,601 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-08-08 14:28:11,602 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-08-08 14:28:11,602 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-08-08 14:28:11,602 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-08-08 14:28:11,602 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-08-08 14:28:11,602 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-08-08 14:28:11,604 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-08-08 14:28:11,604 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-08-08 14:28:11,604 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-08-08 14:28:11,604 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-08-08 14:28:11,604 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-08-08 14:28:11,605 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-08-08 14:28:11,605 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-08-08 14:28:11,605 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-08-08 14:28:11,605 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-08-08 14:28:11,605 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-08-08 14:28:11,606 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-08-08 14:28:11,606 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-08-08 14:28:11,606 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-08-08 14:28:11,606 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-08-08 14:28:11,606 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-08-08 14:28:11,607 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-08-08 14:28:11,607 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-08-08 14:28:11,607 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-08-08 14:28:11,607 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-08-08 14:28:11,636 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-08-08 14:28:11,649 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-08-08 14:28:11,652 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-08-08 14:28:11,654 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-08-08 14:28:11,654 INFO  L275        PluginConnector]: CDTParser initialized
[2019-08-08 14:28:11,655 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c
[2019-08-08 14:28:11,718 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d2ce6fd3/7d651bc466914ed4842c8f948cc3ce1c/FLAG3f5fc3a37
[2019-08-08 14:28:12,204 INFO  L306              CDTParser]: Found 1 translation units.
[2019-08-08 14:28:12,205 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.3.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c
[2019-08-08 14:28:12,227 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d2ce6fd3/7d651bc466914ed4842c8f948cc3ce1c/FLAG3f5fc3a37
[2019-08-08 14:28:12,553 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d2ce6fd3/7d651bc466914ed4842c8f948cc3ce1c
[2019-08-08 14:28:12,562 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-08-08 14:28:12,564 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-08-08 14:28:12,565 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-08-08 14:28:12,566 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-08-08 14:28:12,569 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-08-08 14:28:12,571 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:28:12" (1/1) ...
[2019-08-08 14:28:12,574 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79140925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:28:12, skipping insertion in model container
[2019-08-08 14:28:12,574 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 02:28:12" (1/1) ...
[2019-08-08 14:28:12,582 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-08-08 14:28:12,649 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-08-08 14:28:12,938 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-08-08 14:28:12,950 INFO  L188         MainTranslator]: Completed pre-run
[2019-08-08 14:28:13,131 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-08-08 14:28:13,152 INFO  L192         MainTranslator]: Completed translation
[2019-08-08 14:28:13,153 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:28:13 WrapperNode
[2019-08-08 14:28:13,153 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-08-08 14:28:13,154 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-08-08 14:28:13,154 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-08-08 14:28:13,154 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-08-08 14:28:13,171 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:28:13" (1/1) ...
[2019-08-08 14:28:13,171 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:28:13" (1/1) ...
[2019-08-08 14:28:13,182 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:28:13" (1/1) ...
[2019-08-08 14:28:13,183 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:28:13" (1/1) ...
[2019-08-08 14:28:13,196 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:28:13" (1/1) ...
[2019-08-08 14:28:13,205 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:28:13" (1/1) ...
[2019-08-08 14:28:13,208 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:28:13" (1/1) ...
[2019-08-08 14:28:13,212 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-08-08 14:28:13,213 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-08-08 14:28:13,213 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-08-08 14:28:13,213 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-08-08 14:28:13,214 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 02:28:13" (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
[2019-08-08 14:28:13,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-08-08 14:28:13,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-08-08 14:28:13,274 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-08-08 14:28:13,274 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-08-08 14:28:13,275 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2019-08-08 14:28:13,275 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char
[2019-08-08 14:28:13,275 INFO  L130     BoogieDeclarations]: Found specification of procedure assert
[2019-08-08 14:28:13,275 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-08-08 14:28:13,275 INFO  L130     BoogieDeclarations]: Found specification of procedure read
[2019-08-08 14:28:13,276 INFO  L130     BoogieDeclarations]: Found specification of procedure write
[2019-08-08 14:28:13,276 INFO  L130     BoogieDeclarations]: Found specification of procedure node1
[2019-08-08 14:28:13,276 INFO  L130     BoogieDeclarations]: Found specification of procedure node2
[2019-08-08 14:28:13,276 INFO  L130     BoogieDeclarations]: Found specification of procedure node3
[2019-08-08 14:28:13,276 INFO  L130     BoogieDeclarations]: Found specification of procedure init
[2019-08-08 14:28:13,276 INFO  L130     BoogieDeclarations]: Found specification of procedure check
[2019-08-08 14:28:13,277 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-08-08 14:28:13,277 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-08-08 14:28:13,277 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-08-08 14:28:14,389 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-08-08 14:28:14,390 INFO  L283             CfgBuilder]: Removed 0 assume(true) statements.
[2019-08-08 14:28:14,391 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:28:14 BoogieIcfgContainer
[2019-08-08 14:28:14,391 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-08-08 14:28:14,392 INFO  L113        PluginConnector]: ------------------------Symbolic Interpretation----------------------------
[2019-08-08 14:28:14,392 INFO  L271        PluginConnector]: Initializing Symbolic Interpretation...
[2019-08-08 14:28:14,392 INFO  L275        PluginConnector]: Symbolic Interpretation initialized
[2019-08-08 14:28:14,393 INFO  L185        PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 02:28:14" (1/1) ...
[2019-08-08 14:28:14,404 INFO  L148        IcfgInterpreter]: Started Sifa with 2 locations of interest
[2019-08-08 14:28:14,406 INFO  L155        IcfgInterpreter]: Building call graph
[2019-08-08 14:28:14,415 INFO  L160        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-08-08 14:28:14,423 INFO  L165        IcfgInterpreter]: Starting interpretation
[2019-08-08 14:28:14,425 INFO  L185        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1
[2019-08-08 14:28:14,493 INFO  L185        IcfgInterpreter]: Interpreting procedure main with input of size 147
[2019-08-08 14:29:53,620 INFO  L169        IcfgInterpreter]: Interpretation finished
[2019-08-08 14:29:53,621 INFO  L177        IcfgInterpreter]: Final predicates for locations of interest are:
[2019-08-08 14:29:53,624 INFO  L179        IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 553770#(and (= 0 (mod main_~assert__arg~2 256)) (or (and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (not (<= (+ ~st3~0 ~st1~0 ~st2~0) 1)) (= main_~main__c1~0 ~__return_1712~0) (= 0 main_~check__tmp~1) (= ~__return_1712~0 main_~check__tmp~1) (= ~p3_new~0 ~nomsg~0) (= ~__tmp_1617_0~0 main_~main____CPAchecker_TMP_0~0) (= 0 ~mode3~0) (or (and (= ~nomsg~0 main_~node3__m3~1) (= 0 ~mode2~0) (exists ((v_~mode3~0_7357 Int)) (not (= 0 (mod v_~mode3~0_7357 256))))) (= ~mode2~0 0))) (and (= ~__return_1616~0 main_~check__tmp~2) (= main_~main__c1~0 ~__return_1616~0))) (= main_~__tmp_3~0 main_~assert__arg~2) (= ~__tmp_1617_0~0 main_~main____CPAchecker_TMP_0~1) (= main_~__tmp_3~0 (ite (= main_~main__c1~0 0) 0 1)))
[2019-08-08 14:29:53,624 INFO  L179        IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONERROR_FUNCTION has predicate 597#(and (= ~nomsg~0 ~p2_new~0) (= ~nomsg~0 ~p1_new~0) (= 0 (mod main_~assert__arg~3 256)) (= main_~main__c1~0 ~__return_1693~0) (= main_~__tmp_4~0 main_~assert__arg~3) (= ~__return_1693~0 main_~check__tmp~1) (not (= (+ ~st3~0 ~st1~0 ~st2~0) 0)) (= 0 ~mode3~0) (= main_~__tmp_4~0 (ite (= main_~main__c1~0 0) 0 1)) (= 0 main_~check__tmp~1) (<= (+ ~st3~0 ~st1~0 ~st2~0) 1) (= ~p3_new~0 ~nomsg~0) (not (<= 3 ~r1~0)) (or (= ~mode2~0 0) (and (exists ((v_~mode3~0_23 Int)) (not (= (mod v_~mode3~0_23 256) 0))) (= ~nomsg~0 main_~node3__m3~1) (= 0 ~mode2~0))))
[2019-08-08 14:29:53,625 WARN  L88    terpretationObserver]: Some locations of interest might be reachable, see reported results.
[2019-08-08 14:29:53,632 INFO  L132        PluginConnector]: ------------------------ END Symbolic Interpretation----------------------------
[2019-08-08 14:29:53,635 INFO  L168              Benchmark]: Toolchain (without parser) took 101070.11 ms. Allocated memory was 138.4 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 84.2 MB in the beginning and 1.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB.
[2019-08-08 14:29:53,636 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
[2019-08-08 14:29:53,637 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 588.24 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 84.0 MB in the beginning and 172.6 MB in the end (delta: -88.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB.
[2019-08-08 14:29:53,638 INFO  L168              Benchmark]: Boogie Preprocessor took 58.44 ms. Allocated memory is still 199.2 MB. Free memory was 172.6 MB in the beginning and 170.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB.
[2019-08-08 14:29:53,639 INFO  L168              Benchmark]: RCFGBuilder took 1178.53 ms. Allocated memory is still 199.2 MB. Free memory was 170.1 MB in the beginning and 124.5 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB.
[2019-08-08 14:29:53,640 INFO  L168              Benchmark]: Symbolic Interpretation took 99240.73 ms. Allocated memory was 199.2 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 124.5 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB.
[2019-08-08 14:29:53,644 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation:
  - UnprovableResult [Line: 369]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: Interpreter reached this location of interest. Location might be reachable.. 
Possible FailurePath: 

  - UnprovableResult [Line: 575]: Unable to prove that call of __VERIFIER_error() unreachable
    Unable to prove that call of __VERIFIER_error() unreachable
 Reason: Interpreter reached this location of interest. Location might be reachable.. 
Possible FailurePath: 

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 588.24 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 84.0 MB in the beginning and 172.6 MB in the end (delta: -88.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 58.44 ms. Allocated memory is still 199.2 MB. Free memory was 172.6 MB in the beginning and 170.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 1178.53 ms. Allocated memory is still 199.2 MB. Free memory was 170.1 MB in the beginning and 124.5 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 7.1 GB.
 * Symbolic Interpretation took 99240.73 ms. Allocated memory was 199.2 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 124.5 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB.
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...