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/psyco/psyco_io_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:44:21,168 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:44:21,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:44:21,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:44:21,186 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:44:21,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:44:21,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:44:21,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:44:21,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:44:21,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:44:21,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:44:21,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:44:21,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:44:21,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:44:21,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:44:21,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:44:21,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:44:21,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:44:21,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:44:21,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:44:21,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:44:21,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:44:21,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:44:21,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:44:21,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:44:21,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:44:21,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:44:21,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:44:21,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:44:21,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:44:21,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:44:21,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:44:21,234 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:44:21,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:44:21,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:44:21,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:44:21,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:44:21,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:44:21,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:44:21,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:44:21,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:44:21,239 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 00:44:21,253 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:44:21,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:44:21,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:44:21,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:44:21,255 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:44:21,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:44:21,255 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:44:21,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:44:21,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:44:21,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:44:21,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:44:21,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:44:21,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:44:21,257 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:44:21,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:44:21,257 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:44:21,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:44:21,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:44:21,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:44:21,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:44:21,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:44:21,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:44:21,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:44:21,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:44:21,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:44:21,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:44:21,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:44:21,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:44:21,260 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 00:44:21,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:44:21,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:44:21,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:44:21,560 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:44:21,561 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:44:21,562 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_io_1.c [2019-10-14 00:44:21,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe5679121/87b2a53a894c480ebfc0d4d92378c9e7/FLAG84c91cb04 [2019-10-14 00:44:22,131 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:44:22,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_io_1.c [2019-10-14 00:44:22,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe5679121/87b2a53a894c480ebfc0d4d92378c9e7/FLAG84c91cb04 [2019-10-14 00:44:22,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe5679121/87b2a53a894c480ebfc0d4d92378c9e7 [2019-10-14 00:44:22,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:44:22,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:44:22,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:44:22,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:44:22,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:44:22,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:22" (1/1) ... [2019-10-14 00:44:22,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760b8f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:22, skipping insertion in model container [2019-10-14 00:44:22,500 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:44:22" (1/1) ... [2019-10-14 00:44:22,508 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:44:22,557 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:44:22,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:44:22,764 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:44:22,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:44:22,897 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:44:22,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:22 WrapperNode [2019-10-14 00:44:22,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:44:22,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:44:22,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:44:22,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:44:22,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:22" (1/1) ... [2019-10-14 00:44:22,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:22" (1/1) ... [2019-10-14 00:44:22,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:22" (1/1) ... [2019-10-14 00:44:22,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:22" (1/1) ... [2019-10-14 00:44:22,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:22" (1/1) ... [2019-10-14 00:44:22,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:22" (1/1) ... [2019-10-14 00:44:22,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:22" (1/1) ... [2019-10-14 00:44:22,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:44:22,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:44:22,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:44:22,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:44:22,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:44:22" (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 [2019-10-14 00:44:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:44:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:44:23,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:44:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:44:23,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:44:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:44:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:44:23,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:44:23,468 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:44:23,468 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-14 00:44:23,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:23 BoogieIcfgContainer [2019-10-14 00:44:23,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:44:23,471 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-14 00:44:23,471 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-14 00:44:23,471 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-14 00:44:23,472 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:44:23" (1/1) ... [2019-10-14 00:44:23,507 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-14 00:44:24,015 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-14 00:44:24,046 INFO L272 AbstractInterpreter]: Visited 124 different actions 292 times. Merged at 67 different actions 95 times. Never widened. Performed 661 root evaluator evaluations with a maximum evaluation depth of 7. Performed 661 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 73 fixpoints after 40 different actions. Largest state had 43 variables. [2019-10-14 00:44:24,046 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-14 00:44:24,050 INFO L168 Benchmark]: Toolchain (without parser) took 1557.75 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 102.0 MB in the beginning and 100.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 65.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:44:24,052 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:44:24,053 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.86 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 180.0 MB in the end (delta: -78.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-10-14 00:44:24,055 INFO L168 Benchmark]: Boogie Preprocessor took 42.98 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 177.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-10-14 00:44:24,057 INFO L168 Benchmark]: RCFGBuilder took 528.00 ms. Allocated memory is still 201.3 MB. Free memory was 177.8 MB in the beginning and 150.8 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-10-14 00:44:24,058 INFO L168 Benchmark]: Abstract Interpretation took 575.62 ms. Allocated memory is still 201.3 MB. Free memory was 150.8 MB in the beginning and 100.3 MB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 7.1 GB. [2019-10-14 00:44:24,069 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 406.86 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 180.0 MB in the end (delta: -78.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.98 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 177.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 528.00 ms. Allocated memory is still 201.3 MB. Free memory was 177.8 MB in the beginning and 150.8 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 575.62 ms. Allocated memory is still 201.3 MB. Free memory was 150.8 MB in the beginning and 100.3 MB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 343]: 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: [L5] int m_flush = 1; [L6] int m_PipedOutputStream = 2; [L7] int m_close = 3; [L8] int m_write = 4; [L9] int m_connect_1 = 5; [L10] int m_connect_2 = 6; [L15] int q = 0; [L16] int method_id; [L19] int this_sink = 0; [L20] int this_sinkConnected = 0; [L23] COND TRUE 1 [L26] int P1=__VERIFIER_nondet_int(); [L27] int P2=__VERIFIER_nondet_int(); [L28] int P3=__VERIFIER_nondet_int(); [L29] int P4=__VERIFIER_nondet_int(); [L33] COND TRUE q == 0 [L34] COND TRUE __VERIFIER_nondet_int() [L38] method_id = 2 [L40] COND FALSE !(0) [L44] q = 2 [L46] this_sink=0 [L46] this_sinkConnected=0 [L23] COND TRUE 1 [L26] int P1=__VERIFIER_nondet_int(); [L27] int P2=__VERIFIER_nondet_int(); [L28] int P3=__VERIFIER_nondet_int(); [L29] int P4=__VERIFIER_nondet_int(); [L33] COND FALSE !(q == 0) [L53] COND FALSE !(q == 1) [L105] COND TRUE q == 2 [L106] COND FALSE !(__VERIFIER_nondet_int()) [L122] COND FALSE !(__VERIFIER_nondet_int()) [L138] COND FALSE !(__VERIFIER_nondet_int()) [L154] COND FALSE !(__VERIFIER_nondet_int()) [L170] COND FALSE !(__VERIFIER_nondet_int()) [L186] COND TRUE __VERIFIER_nondet_int() [L188] COND TRUE ((P2 != 1) && (P1 != 0)) [L190] method_id = 5 [L192] COND FALSE !((((this_sink != 0) && (P1 != 0)) && ((P2 != 1) && (P1 != 0)))) [L196] q = 3 [L198] this_sink=P1 [L198] this_sinkConnected=1 [L23] COND TRUE 1 [L26] int P1=__VERIFIER_nondet_int(); [L27] int P2=__VERIFIER_nondet_int(); [L28] int P3=__VERIFIER_nondet_int(); [L29] int P4=__VERIFIER_nondet_int(); [L33] COND FALSE !(q == 0) [L53] COND TRUE q == 1 [L54] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND TRUE __VERIFIER_nondet_int() [L72] COND TRUE ((P2 != 1) && (P1 != 0)) [L74] method_id = 5 [L76] COND TRUE ((P2 != 1) && ((this_sink == 0) && (P1 != 0))) [L343] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...