/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+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:57:20,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:57:20,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:57:20,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:57:20,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:57:20,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:57:20,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:57:20,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:57:20,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:57:20,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:57:20,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:57:20,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:57:20,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:57:20,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:57:20,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:57:20,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:57:20,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:57:20,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:57:20,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:57:20,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:57:20,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:57:20,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:57:20,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:57:20,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:57:20,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 06:57:20,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 06:57:20,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 06:57:20,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 06:57:20,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 06:57:20,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 06:57:20,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 06:57:20,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 06:57:20,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 06:57:20,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 06:57:20,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 06:57:20,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 06:57:20,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 06:57:20,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 06:57:20,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:57:20,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:57:20,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:57:20,462 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 06:57:20,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:57:20,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:57:20,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:57:20,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:57:20,479 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:57:20,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:57:20,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:57:20,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:57:20,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:57:20,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:57:20,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:57:20,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:57:20,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:57:20,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:57:20,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:57:20,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:57:20,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:57:20,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:57:20,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:57:20,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:57:20,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:57:20,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:57:20,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:57:20,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:57:20,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:57:20,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:57:20,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:57:20,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:57:20,483 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 06:57:20,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:57:20,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:57:20,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:57:20,848 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:57:20,849 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:57:20,849 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-11-07 06:57:20,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89f0ffb8f/c4345137c97f435daa9dc284f03519d9/FLAGeb131c9e8 [2019-11-07 06:57:21,347 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:57:21,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+lhb-reducer.c [2019-11-07 06:57:21,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89f0ffb8f/c4345137c97f435daa9dc284f03519d9/FLAGeb131c9e8 [2019-11-07 06:57:21,762 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89f0ffb8f/c4345137c97f435daa9dc284f03519d9 [2019-11-07 06:57:21,771 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:57:21,772 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:57:21,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:21,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:57:21,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:57:21,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:21" (1/1) ... [2019-11-07 06:57:21,781 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 06:57:21, skipping insertion in model container [2019-11-07 06:57:21,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:21" (1/1) ... [2019-11-07 06:57:21,789 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:57:21,815 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:57:22,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:22,064 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:57:22,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:22,215 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:57:22,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22 WrapperNode [2019-11-07 06:57:22,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:22,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:57:22,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:57:22,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:57:22,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:57:22,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:57:22,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:57:22,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:57:22,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22" (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 06:57:22,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:57:22,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:57:22,310 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:57:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:57:22,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:57:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:57:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:57:22,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:57:22,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:57:22,597 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:57:22,598 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 06:57:22,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:22 BoogieIcfgContainer [2019-11-07 06:57:22,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:57:22,600 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:57:22,601 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:57:22,601 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:57:22,602 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,635 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:57:22,726 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 06:57:24,092 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:57:24,116 INFO L272 AbstractInterpreter]: Visited 37 different actions 295 times. Merged at 29 different actions 185 times. Widened at 5 different actions 7 times. Performed 1382 root evaluator evaluations with a maximum evaluation depth of 13. Performed 1382 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 73 fixpoints after 15 different actions. Largest state had 31 variables. [2019-11-07 06:57:24,116 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:57:24,121 INFO L168 Benchmark]: Toolchain (without parser) took 2345.50 ms. Allocated memory was 136.8 MB in the beginning and 252.2 MB in the end (delta: 115.3 MB). Free memory was 101.4 MB in the beginning and 136.8 MB in the end (delta: -35.3 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:24,122 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 06:57:24,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.95 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 101.0 MB in the beginning and 178.1 MB in the end (delta: -77.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:24,125 INFO L168 Benchmark]: Boogie Preprocessor took 30.51 ms. Allocated memory is still 199.2 MB. Free memory was 178.1 MB in the beginning and 176.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:24,127 INFO L168 Benchmark]: RCFGBuilder took 352.20 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 160.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:24,128 INFO L168 Benchmark]: Abstract Interpretation took 1515.75 ms. Allocated memory was 199.2 MB in the beginning and 252.2 MB in the end (delta: 53.0 MB). Free memory was 160.2 MB in the beginning and 136.8 MB in the end (delta: 23.5 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:24,138 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 442.95 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 101.0 MB in the beginning and 178.1 MB in the end (delta: -77.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.51 ms. Allocated memory is still 199.2 MB. Free memory was 178.1 MB in the beginning and 176.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 352.20 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 160.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1515.75 ms. Allocated memory was 199.2 MB in the beginning and 252.2 MB in the end (delta: 53.0 MB). Free memory was 160.2 MB in the beginning and 136.8 MB in the end (delta: 23.5 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 97]: 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_112_0; [L7] int __tmp_94_0; [L8] int __tmp_93_0; [L9] int __tmp_88_0; [L10] int __tmp_88_1; [L11] int __tmp_91_0; [L12] int __tmp_91_1; [L13] int __return_121; [L16] unsigned int main__x; [L17] unsigned int main__y = 1; [L19] int main____CPAchecker_TMP_0; [L20] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L21] COND TRUE !(main____CPAchecker_TMP_0 == 0) [L23] COND TRUE (main__x % 3) == 1 [L25] main__x = main__x + 2 [L26] main__y = 0 [L27] __tmp_112_0 = main____CPAchecker_TMP_0 [L29] main____CPAchecker_TMP_0 = __tmp_112_0 [L30] __tmp_94_0 = main____CPAchecker_TMP_0 [L32] main____CPAchecker_TMP_0 = __tmp_94_0 [L33] int main____CPAchecker_TMP_0; [L34] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L35] COND FALSE !(!(main____CPAchecker_TMP_0 == 0)) [L88] COND TRUE main__y == 0 [L91] int __tmp_1; [L92] __tmp_1 = (main__x % 3) == 0 [L93] int __VERIFIER_assert__cond; [L94] __VERIFIER_assert__cond = __tmp_1 [L95] COND TRUE __VERIFIER_assert__cond == 0 [L97] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...