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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-0883e75 [2019-09-05 13:35:48,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:35:48,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:35:48,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 13:35:48,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 13:35:48,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 13:35:48,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 13:35:48,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 13:35:48,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 13:35:48,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 13:35:48,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 13:35:48,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 13:35:48,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 13:35:48,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 13:35:48,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 13:35:48,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 13:35:48,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 13:35:48,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 13:35:48,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 13:35:48,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 13:35:48,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 13:35:48,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 13:35:48,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 13:35:48,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 13:35:48,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-05 13:35:48,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-05 13:35:48,418 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-05 13:35:48,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-05 13:35:48,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-05 13:35:48,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-05 13:35:48,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 13:35:48,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 13:35:48,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 13:35:48,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 13:35:48,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 13:35:48,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 13:35:48,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 13:35:48,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 13:35:48,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 13:35:48,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 13:35:48,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 13:35:48,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-05 13:35:48,451 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:35:48,451 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:35:48,452 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:35:48,452 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:35:48,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:35:48,453 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:35:48,453 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:35:48,453 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:35:48,454 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:35:48,454 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:35:48,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:35:48,456 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:35:48,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:35:48,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:35:48,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:35:48,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:35:48,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:35:48,458 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:35:48,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:35:48,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:35:48,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:35:48,459 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:35:48,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:35:48,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:35:48,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:35:48,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:35:48,460 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:35:48,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:35:48,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:35:48,461 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:35:48,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:35:48,507 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:35:48,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:35:48,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:35:48,512 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:35:48,513 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-09-05 13:35:48,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07368dd3a/58ea10dca06d4716be116ac6ffbf76cf/FLAG0168c8ef8 [2019-09-05 13:35:49,037 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:35:49,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-09-05 13:35:49,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07368dd3a/58ea10dca06d4716be116ac6ffbf76cf/FLAG0168c8ef8 [2019-09-05 13:35:49,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07368dd3a/58ea10dca06d4716be116ac6ffbf76cf [2019-09-05 13:35:49,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:35:49,487 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:35:49,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:49,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:35:49,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:35:49,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:49" (1/1) ... [2019-09-05 13:35:49,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd60201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:49, skipping insertion in model container [2019-09-05 13:35:49,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:49" (1/1) ... [2019-09-05 13:35:49,500 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:35:49,515 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:35:49,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:49,698 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:35:49,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:49,749 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:35:49,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:49 WrapperNode [2019-09-05 13:35:49,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:49,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:35:49,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:35:49,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:35:49,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:49" (1/1) ... [2019-09-05 13:35:49,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:49" (1/1) ... [2019-09-05 13:35:49,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:49" (1/1) ... [2019-09-05 13:35:49,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:49" (1/1) ... [2019-09-05 13:35:49,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:49" (1/1) ... [2019-09-05 13:35:49,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:49" (1/1) ... [2019-09-05 13:35:49,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:49" (1/1) ... [2019-09-05 13:35:49,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:35:49,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:35:49,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:35:49,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:35:49,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:49" (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 [2019-09-05 13:35:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:35:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:35:49,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:35:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:35:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 13:35:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:35:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:35:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:35:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:35:50,113 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:35:50,113 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-05 13:35:50,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:50 BoogieIcfgContainer [2019-09-05 13:35:50,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:35:50,116 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:35:50,116 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:35:50,117 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:35:50,117 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:50" (1/1) ... [2019-09-05 13:35:50,142 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:35:50,232 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-05 13:35:50,528 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:35:50,549 INFO L272 AbstractInterpreter]: Visited 24 different actions 37 times. Merged at 8 different actions 8 times. Never widened. Performed 112 root evaluator evaluations with a maximum evaluation depth of 13. Performed 112 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 9 fixpoints after 6 different actions. Largest state had 13 variables. [2019-09-05 13:35:50,550 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:35:50,553 INFO L168 Benchmark]: Toolchain (without parser) took 1064.94 ms. Allocated memory was 135.3 MB in the beginning and 199.8 MB in the end (delta: 64.5 MB). Free memory was 87.4 MB in the beginning and 115.7 MB in the end (delta: -28.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:50,554 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-05 13:35:50,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.76 ms. Allocated memory is still 135.3 MB. Free memory was 87.2 MB in the beginning and 77.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:50,556 INFO L168 Benchmark]: Boogie Preprocessor took 124.83 ms. Allocated memory was 135.3 MB in the beginning and 199.8 MB in the end (delta: 64.5 MB). Free memory was 77.6 MB in the beginning and 177.7 MB in the end (delta: -100.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:50,557 INFO L168 Benchmark]: RCFGBuilder took 239.49 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 164.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:50,558 INFO L168 Benchmark]: Abstract Interpretation took 433.60 ms. Allocated memory is still 199.8 MB. Free memory was 164.8 MB in the beginning and 115.7 MB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:50,563 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 135.3 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 262.76 ms. Allocated memory is still 135.3 MB. Free memory was 87.2 MB in the beginning and 77.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.83 ms. Allocated memory was 135.3 MB in the beginning and 199.8 MB in the end (delta: 64.5 MB). Free memory was 77.6 MB in the beginning and 177.7 MB in the end (delta: -100.1 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 239.49 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 164.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 433.60 ms. Allocated memory is still 199.8 MB. Free memory was 164.8 MB in the beginning and 115.7 MB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 61]: 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 __return_107; [L9] unsigned int main__x; [L10] unsigned int main__y = 1; [L12] int main____CPAchecker_TMP_0; [L13] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L14] COND TRUE !(main____CPAchecker_TMP_0 == 0) [L16] COND TRUE (main__x % 3) == 1 [L18] main__x = main__x + 2 [L19] main__y = 0 [L12] int main____CPAchecker_TMP_0; [L13] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L14] COND FALSE !(!(main____CPAchecker_TMP_0 == 0)) [L52] COND TRUE main__y == 0 [L55] int __tmp_1; [L56] __tmp_1 = (main__x % 3) == 0 [L57] int __VERIFIER_assert__cond; [L58] __VERIFIER_assert__cond = __tmp_1 [L59] COND TRUE __VERIFIER_assert__cond == 0 [L61] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...