/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/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:08:02,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:08:02,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:08:02,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:08:02,571 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:08:02,572 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:08:02,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:08:02,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:08:02,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:08:02,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:08:02,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:08:02,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:08:02,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:08:02,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:08:02,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:08:02,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:08:02,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:08:02,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:08:02,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:08:02,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:08:02,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:08:02,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:08:02,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:08:02,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:08:02,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:08:02,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:08:02,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:08:02,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:08:02,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:08:02,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:08:02,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:08:02,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:08:02,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:08:02,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:08:02,606 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:08:02,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:08:02,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:08:02,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:08:02,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:08:02,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:08:02,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:08:02,615 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 07:08:02,635 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:08:02,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:08:02,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:08:02,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:08:02,638 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:08:02,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:08:02,639 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:08:02,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:08:02,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:08:02,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:08:02,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:08:02,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:08:02,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:08:02,641 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:08:02,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:08:02,641 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:08:02,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:08:02,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:08:02,642 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:08:02,642 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:08:02,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:08:02,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:08:02,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:08:02,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:08:02,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:08:02,644 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:08:02,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:08:02,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:08:02,644 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 07:08:02,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:08:02,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:08:02,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:08:02,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:08:02,983 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:08:02,984 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-11-07 07:08:03,066 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/089d0d07d/b8973e16dc634f11a6bd2e1775b1c7f2/FLAG9cac76e14 [2019-11-07 07:08:03,555 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:08:03,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-11-07 07:08:03,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/089d0d07d/b8973e16dc634f11a6bd2e1775b1c7f2/FLAG9cac76e14 [2019-11-07 07:08:03,871 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/089d0d07d/b8973e16dc634f11a6bd2e1775b1c7f2 [2019-11-07 07:08:03,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:08:03,884 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:08:03,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:08:03,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:08:03,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:08:03,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:03" (1/1) ... [2019-11-07 07:08:03,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e2d26de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:03, skipping insertion in model container [2019-11-07 07:08:03,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:03" (1/1) ... [2019-11-07 07:08:03,901 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:08:03,945 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:08:04,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:08:04,209 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:08:04,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:08:04,410 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:08:04,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:04 WrapperNode [2019-11-07 07:08:04,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:08:04,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:08:04,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:08:04,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:08:04,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:04" (1/1) ... [2019-11-07 07:08:04,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:04" (1/1) ... [2019-11-07 07:08:04,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:04" (1/1) ... [2019-11-07 07:08:04,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:04" (1/1) ... [2019-11-07 07:08:04,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:04" (1/1) ... [2019-11-07 07:08:04,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:04" (1/1) ... [2019-11-07 07:08:04,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:04" (1/1) ... [2019-11-07 07:08:04,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:08:04,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:08:04,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:08:04,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:08:04,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:04" (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 07:08:04,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:08:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:08:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:08:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:08:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 07:08:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 07:08:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 07:08:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 07:08:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 07:08:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-11-07 07:08:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-11-07 07:08:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-11-07 07:08:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-11-07 07:08:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-11-07 07:08:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-11-07 07:08:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-11-07 07:08:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:08:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:08:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:08:05,101 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:08:05,102 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 07:08:05,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:05 BoogieIcfgContainer [2019-11-07 07:08:05,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:08:05,104 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 07:08:05,104 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 07:08:05,106 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 07:08:05,107 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:05" (1/1) ... [2019-11-07 07:08:05,155 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 07:08:05,314 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 07:08:06,677 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 07:08:06,720 INFO L272 AbstractInterpreter]: Visited 139 different actions 1757 times. Merged at 78 different actions 1018 times. Widened at 27 different actions 164 times. Performed 4325 root evaluator evaluations with a maximum evaluation depth of 5. Performed 4325 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 424 fixpoints after 59 different actions. Largest state had 99 variables. [2019-11-07 07:08:06,720 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 07:08:06,723 INFO L168 Benchmark]: Toolchain (without parser) took 2838.51 ms. Allocated memory was 145.2 MB in the beginning and 245.9 MB in the end (delta: 100.7 MB). Free memory was 103.5 MB in the beginning and 161.3 MB in the end (delta: -57.8 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:06,724 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 07:08:06,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.93 ms. Allocated memory was 145.2 MB in the beginning and 204.5 MB in the end (delta: 59.2 MB). Free memory was 103.3 MB in the beginning and 180.3 MB in the end (delta: -77.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:06,727 INFO L168 Benchmark]: Boogie Preprocessor took 44.14 ms. Allocated memory is still 204.5 MB. Free memory was 180.3 MB in the beginning and 178.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:06,729 INFO L168 Benchmark]: RCFGBuilder took 648.21 ms. Allocated memory is still 204.5 MB. Free memory was 178.2 MB in the beginning and 143.9 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:06,730 INFO L168 Benchmark]: Abstract Interpretation took 1615.96 ms. Allocated memory was 204.5 MB in the beginning and 245.9 MB in the end (delta: 41.4 MB). Free memory was 143.2 MB in the beginning and 161.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:06,741 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 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 525.93 ms. Allocated memory was 145.2 MB in the beginning and 204.5 MB in the end (delta: 59.2 MB). Free memory was 103.3 MB in the beginning and 180.3 MB in the end (delta: -77.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.14 ms. Allocated memory is still 204.5 MB. Free memory was 180.3 MB in the beginning and 178.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 648.21 ms. Allocated memory is still 204.5 MB. Free memory was 178.2 MB in the beginning and 143.9 MB in the end (delta: 34.3 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1615.96 ms. Allocated memory was 204.5 MB in the beginning and 245.9 MB in the end (delta: 41.4 MB). Free memory was 143.2 MB in the beginning and 161.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 200]: 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; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] _Bool alive1 = 0; [L22] port_t p2 = 0; [L23] char p2_old = '\x0'; [L24] char p2_new = '\x0'; [L25] char id2 = '\x0'; [L26] char st2 = '\x0'; [L27] msg_t send2 = '\x0'; [L28] _Bool mode2 = 0; [L29] _Bool alive2 = 0; [L30] port_t p3 = 0; [L31] char p3_old = '\x0'; [L32] char p3_new = '\x0'; [L33] char id3 = '\x0'; [L34] char st3 = '\x0'; [L35] msg_t send3 = '\x0'; [L36] _Bool mode3 = 0; [L37] _Bool alive3 = 0; [L41] void (*nodes[3])() = { &node1, &node2, &node3 }; [L45] int __return_5979; [L46] int __return_6075; [L49] int main__c1; [L50] int main__i2; [L51] main__c1 = 0 [L52] r1 = __VERIFIER_nondet_uchar() [L53] id1 = __VERIFIER_nondet_char() [L54] st1 = __VERIFIER_nondet_char() [L55] send1 = __VERIFIER_nondet_char() [L56] mode1 = __VERIFIER_nondet_bool() [L57] alive1 = __VERIFIER_nondet_bool() [L58] id2 = __VERIFIER_nondet_char() [L59] st2 = __VERIFIER_nondet_char() [L60] send2 = __VERIFIER_nondet_char() [L61] mode2 = __VERIFIER_nondet_bool() [L62] alive2 = __VERIFIER_nondet_bool() [L63] id3 = __VERIFIER_nondet_char() [L64] st3 = __VERIFIER_nondet_char() [L65] send3 = __VERIFIER_nondet_char() [L66] mode3 = __VERIFIER_nondet_bool() [L67] alive3 = __VERIFIER_nondet_bool() [L69] int init__tmp; [L70] COND TRUE ((int)r1) == 0 [L72] COND TRUE ((((int)alive1) + ((int)alive2)) + ((int)alive3)) >= 1 [L74] COND TRUE ((int)id1) >= 0 [L76] COND TRUE ((int)st1) == 0 [L78] COND TRUE ((int)send1) == ((int)id1) [L80] COND TRUE ((int)mode1) == 0 [L82] COND TRUE ((int)id2) >= 0 [L84] COND TRUE ((int)st2) == 0 [L86] COND TRUE ((int)send2) == ((int)id2) [L88] COND TRUE ((int)mode2) == 0 [L90] COND TRUE ((int)id3) >= 0 [L92] COND TRUE ((int)st3) == 0 [L94] COND TRUE ((int)send3) == ((int)id3) [L96] COND TRUE ((int)mode3) == 0 [L98] COND TRUE ((int)id1) != ((int)id2) [L100] COND TRUE ((int)id1) != ((int)id3) [L102] COND TRUE ((int)id2) != ((int)id3) [L104] init__tmp = 1 [L105] __return_5979 = init__tmp [L106] main__i2 = __return_5979 [L107] COND TRUE main__i2 != 0 [L109] p1_old = nomsg [L110] p1_new = nomsg [L111] p2_old = nomsg [L112] p2_new = nomsg [L113] p3_old = nomsg [L114] p3_new = nomsg [L115] main__i2 = 0 [L118] msg_t node1__m1; [L119] node1__m1 = nomsg [L120] COND FALSE !(!(mode1 == 0)) [L433] COND FALSE !(!(alive1 == 0)) [L444] mode1 = 1 [L141] msg_t node2__m2; [L142] node2__m2 = nomsg [L143] COND TRUE !(mode2 == 0) [L145] node2__m2 = p1_old [L146] p1_old = nomsg [L147] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L156] mode2 = 0 [L159] msg_t node3__m3; [L160] node3__m3 = nomsg [L161] COND TRUE !(mode3 == 0) [L163] node3__m3 = p2_old [L164] p2_old = nomsg [L165] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L174] mode3 = 0 [L176] p1_old = p1_new [L177] p1_new = nomsg [L178] p2_old = p2_new [L179] p2_new = nomsg [L180] p3_old = p3_new [L181] p3_new = nomsg [L183] int check__tmp; [L184] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L186] COND FALSE !(((int)r1) < 3) [L211] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) == 1) [L218] check__tmp = 0 [L191] __return_6075 = check__tmp [L192] main__c1 = __return_6075 [L194] _Bool __tmp_1; [L195] __tmp_1 = main__c1 [L196] _Bool assert__arg; [L197] assert__arg = __tmp_1 [L198] COND TRUE assert__arg == 0 [L200] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...