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/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:15:38,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:15:38,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:15:38,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:15:38,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:15:38,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:15:38,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:15:38,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:15:38,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:15:38,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:15:38,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:15:38,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:15:38,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:15:38,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:15:38,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:15:38,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:15:38,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:15:38,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:15:38,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:15:38,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:15:38,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:15:38,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:15:38,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:15:38,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:15:38,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 17:15:38,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 17:15:38,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 17:15:38,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 17:15:38,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 17:15:38,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 17:15:38,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:15:38,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:15:38,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:15:38,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:15:38,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:15:38,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:15:38,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:15:38,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:15:38,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:15:38,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:15:38,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:15:38,577 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 [2019-09-11 17:15:38,592 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:15:38,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:15:38,593 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:15:38,593 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:15:38,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:15:38,594 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:15:38,594 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:15:38,595 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:15:38,595 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:15:38,595 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:15:38,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:15:38,596 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:15:38,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:15:38,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:15:38,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:15:38,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:15:38,597 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:15:38,597 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:15:38,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:15:38,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:15:38,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:15:38,598 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:15:38,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:15:38,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:15:38,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:15:38,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:15:38,599 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:15:38,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:15:38,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:15:38,600 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:15:38,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:15:38,645 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:15:38,651 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:15:38,652 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:15:38,653 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:15:38,654 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-09-11 17:15:38,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85c4a898e/082a25a993634069a17378c01bb5910b/FLAG017157e2e [2019-09-11 17:15:39,249 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:15:39,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2019-09-11 17:15:39,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85c4a898e/082a25a993634069a17378c01bb5910b/FLAG017157e2e [2019-09-11 17:15:39,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85c4a898e/082a25a993634069a17378c01bb5910b [2019-09-11 17:15:39,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:15:39,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:15:39,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:15:39,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:15:39,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:15:39,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:15:39" (1/1) ... [2019-09-11 17:15:39,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30948aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:39, skipping insertion in model container [2019-09-11 17:15:39,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:15:39" (1/1) ... [2019-09-11 17:15:39,526 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:15:39,573 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:15:39,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:15:39,967 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:15:40,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:15:40,092 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:15:40,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:40 WrapperNode [2019-09-11 17:15:40,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:15:40,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:15:40,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:15:40,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:15:40,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:40" (1/1) ... [2019-09-11 17:15:40,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:40" (1/1) ... [2019-09-11 17:15:40,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:40" (1/1) ... [2019-09-11 17:15:40,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:40" (1/1) ... [2019-09-11 17:15:40,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:40" (1/1) ... [2019-09-11 17:15:40,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:40" (1/1) ... [2019-09-11 17:15:40,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:40" (1/1) ... [2019-09-11 17:15:40,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:15:40,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:15:40,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:15:40,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:15:40,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:40" (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 [2019-09-11 17:15:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:15:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:15:40,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:15:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:15:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:15:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:15:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:15:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:15:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:15:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:15:40,216 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:15:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:15:40,217 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:15:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:15:40,218 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:15:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:15:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:15:40,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:15:40,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:15:41,128 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:15:41,128 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:15:41,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:15:41 BoogieIcfgContainer [2019-09-11 17:15:41,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:15:41,131 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:15:41,131 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:15:41,131 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:15:41,132 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:15:41" (1/1) ... [2019-09-11 17:15:41,184 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:15:41,361 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:15:44,788 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:15:44,847 INFO L272 AbstractInterpreter]: Visited 296 different actions 4246 times. Merged at 180 different actions 2563 times. Widened at 47 different actions 406 times. Performed 10683 root evaluator evaluations with a maximum evaluation depth of 6. Performed 10683 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 974 fixpoints after 124 different actions. Largest state had 151 variables. [2019-09-11 17:15:44,847 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:15:44,851 INFO L168 Benchmark]: Toolchain (without parser) took 5341.39 ms. Allocated memory was 134.7 MB in the beginning and 323.5 MB in the end (delta: 188.7 MB). Free memory was 89.5 MB in the beginning and 220.0 MB in the end (delta: -130.4 MB). Peak memory consumption was 58.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:44,852 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-11 17:15:44,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.35 ms. Allocated memory was 134.7 MB in the beginning and 202.9 MB in the end (delta: 68.2 MB). Free memory was 89.3 MB in the beginning and 173.9 MB in the end (delta: -84.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:44,855 INFO L168 Benchmark]: Boogie Preprocessor took 66.79 ms. Allocated memory is still 202.9 MB. Free memory was 173.9 MB in the beginning and 170.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:44,857 INFO L168 Benchmark]: RCFGBuilder took 969.09 ms. Allocated memory is still 202.9 MB. Free memory was 170.5 MB in the beginning and 106.7 MB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:44,858 INFO L168 Benchmark]: Abstract Interpretation took 3716.58 ms. Allocated memory was 202.9 MB in the beginning and 323.5 MB in the end (delta: 120.6 MB). Free memory was 106.7 MB in the beginning and 220.0 MB in the end (delta: -113.2 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:44,868 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 134.7 MB. Free memory was 109.2 MB in the beginning and 109.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 584.35 ms. Allocated memory was 134.7 MB in the beginning and 202.9 MB in the end (delta: 68.2 MB). Free memory was 89.3 MB in the beginning and 173.9 MB in the end (delta: -84.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.79 ms. Allocated memory is still 202.9 MB. Free memory was 173.9 MB in the beginning and 170.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 969.09 ms. Allocated memory is still 202.9 MB. Free memory was 170.5 MB in the beginning and 106.7 MB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 3716.58 ms. Allocated memory was 202.9 MB in the beginning and 323.5 MB in the end (delta: 120.6 MB). Free memory was 106.7 MB in the beginning and 220.0 MB in the end (delta: -113.2 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 364]: 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; [L11] msg_t nomsg = (msg_t )-1; [L12] char r1 = '\x0'; [L13] port_t p1 = 0; [L14] char p1_old = '\x0'; [L15] char p1_new = '\x0'; [L16] char id1 = '\x0'; [L17] char st1 = '\x0'; [L18] msg_t send1 = '\x0'; [L19] _Bool mode1 = 0; [L20] _Bool alive1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] _Bool alive2 = 0; [L29] port_t p3 = 0; [L30] char p3_old = '\x0'; [L31] char p3_new = '\x0'; [L32] char id3 = '\x0'; [L33] char st3 = '\x0'; [L34] msg_t send3 = '\x0'; [L35] _Bool mode3 = 0; [L36] _Bool alive3 = 0; [L37] port_t p4 = 0; [L38] char p4_old = '\x0'; [L39] char p4_new = '\x0'; [L40] char id4 = '\x0'; [L41] char st4 = '\x0'; [L42] msg_t send4 = '\x0'; [L43] _Bool mode4 = 0; [L44] _Bool alive4 = 0; [L49] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L53] int __return_10449; [L54] int __return_10547; [L55] int __tmp_10696_0; [L56] int __return_10712; [L57] int __return_10726; [L60] int main__c1; [L61] int main__i2; [L62] main__c1 = 0 [L63] r1 = __VERIFIER_nondet_char() [L64] id1 = __VERIFIER_nondet_char() [L65] st1 = __VERIFIER_nondet_char() [L66] send1 = __VERIFIER_nondet_char() [L67] mode1 = __VERIFIER_nondet_bool() [L68] alive1 = __VERIFIER_nondet_bool() [L69] id2 = __VERIFIER_nondet_char() [L70] st2 = __VERIFIER_nondet_char() [L71] send2 = __VERIFIER_nondet_char() [L72] mode2 = __VERIFIER_nondet_bool() [L73] alive2 = __VERIFIER_nondet_bool() [L74] id3 = __VERIFIER_nondet_char() [L75] st3 = __VERIFIER_nondet_char() [L76] send3 = __VERIFIER_nondet_char() [L77] mode3 = __VERIFIER_nondet_bool() [L78] alive3 = __VERIFIER_nondet_bool() [L79] id4 = __VERIFIER_nondet_char() [L80] st4 = __VERIFIER_nondet_char() [L81] send4 = __VERIFIER_nondet_char() [L82] mode4 = __VERIFIER_nondet_bool() [L83] alive4 = __VERIFIER_nondet_bool() [L85] int init__tmp; [L86] COND TRUE ((int)r1) == 0 [L88] COND TRUE (((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) >= 1 [L90] COND TRUE ((int)id1) >= 0 [L92] COND TRUE ((int)st1) == 0 [L94] COND TRUE ((int)send1) == ((int)id1) [L96] COND TRUE ((int)mode1) == 0 [L98] COND TRUE ((int)id2) >= 0 [L100] COND TRUE ((int)st2) == 0 [L102] COND TRUE ((int)send2) == ((int)id2) [L104] COND TRUE ((int)mode2) == 0 [L106] COND TRUE ((int)id3) >= 0 [L108] COND TRUE ((int)st3) == 0 [L110] COND TRUE ((int)send3) == ((int)id3) [L112] COND TRUE ((int)mode3) == 0 [L114] COND TRUE ((int)id4) >= 0 [L116] COND TRUE ((int)st4) == 0 [L118] COND TRUE ((int)send4) == ((int)id4) [L120] COND TRUE ((int)mode4) == 0 [L122] COND TRUE ((int)id1) != ((int)id2) [L124] COND TRUE ((int)id1) != ((int)id3) [L126] COND TRUE ((int)id1) != ((int)id4) [L128] COND TRUE ((int)id2) != ((int)id3) [L130] COND TRUE ((int)id2) != ((int)id4) [L132] COND TRUE ((int)id3) != ((int)id4) [L134] init__tmp = 1 [L135] __return_10449 = init__tmp [L136] main__i2 = __return_10449 [L137] COND TRUE main__i2 != 0 [L139] p1_old = nomsg [L140] p1_new = nomsg [L141] p2_old = nomsg [L142] p2_new = nomsg [L143] p3_old = nomsg [L144] p3_new = nomsg [L145] p4_old = nomsg [L146] p4_new = nomsg [L147] main__i2 = 0 [L148] COND TRUE main__i2 < 8 [L151] msg_t node1__m1; [L152] node1__m1 = nomsg [L153] COND FALSE !(!(mode1 == 0)) [L159] COND FALSE !(!(alive1 == 0)) [L170] mode1 = 1 [L172] msg_t node2__m2; [L173] node2__m2 = nomsg [L174] COND FALSE !(!(mode2 == 0)) [L180] COND TRUE !(alive2 == 0) [L182] int node2____CPAchecker_TMP_0; [L183] COND TRUE send2 != nomsg [L185] COND TRUE p2_new == nomsg [L187] node2____CPAchecker_TMP_0 = send2 [L189] p2_new = node2____CPAchecker_TMP_0 [L191] mode2 = 1 [L193] msg_t node3__m3; [L194] node3__m3 = nomsg [L195] COND FALSE !(!(mode3 == 0)) [L201] COND FALSE !(!(alive3 == 0)) [L990] COND FALSE !(((int)send3) != ((int)id3)) [L212] mode3 = 1 [L214] msg_t node4__m4; [L215] node4__m4 = nomsg [L216] COND FALSE !(!(mode4 == 0)) [L222] COND FALSE !(!(alive4 == 0)) [L946] COND FALSE !(((int)send4) != ((int)id4)) [L233] mode4 = 1 [L234] p1_old = p1_new [L235] p1_new = nomsg [L236] p2_old = p2_new [L237] p2_new = nomsg [L238] p3_old = p3_new [L239] p3_new = nomsg [L240] p4_old = p4_new [L241] p4_new = nomsg [L243] int check__tmp; [L244] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L246] COND TRUE ((int)r1) < 4 [L248] check__tmp = 1 [L249] __return_10547 = check__tmp [L250] main__c1 = __return_10547 [L252] _Bool __tmp_1; [L253] __tmp_1 = main__c1 [L254] _Bool assert__arg; [L255] assert__arg = __tmp_1 [L256] COND FALSE !(assert__arg == 0) [L262] int main____CPAchecker_TMP_0 = main__i2; [L263] main__i2 = main__i2 + 1 [L264] COND TRUE main__i2 < 8 [L267] msg_t node1__m1; [L268] node1__m1 = nomsg [L269] COND TRUE !(mode1 == 0) [L271] r1 = (char)(((int)r1) + 1) [L272] node1__m1 = p4_old [L273] p4_old = nomsg [L274] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L283] mode1 = 0 [L285] msg_t node2__m2; [L286] node2__m2 = nomsg [L287] COND TRUE !(mode2 == 0) [L289] node2__m2 = p1_old [L290] p1_old = nomsg [L291] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L300] mode2 = 0 [L302] msg_t node3__m3; [L303] node3__m3 = nomsg [L304] COND TRUE !(mode3 == 0) [L306] node3__m3 = p2_old [L307] p2_old = nomsg [L308] COND TRUE ((int)node3__m3) != ((int)nomsg) [L310] COND TRUE !(alive3 == 0) [L312] COND FALSE !(((int)node3__m3) > ((int)id3)) [L827] COND TRUE ((int)node3__m3) == ((int)id3) [L829] st3 = 1 [L317] mode3 = 0 [L319] msg_t node4__m4; [L320] node4__m4 = nomsg [L321] COND TRUE !(mode4 == 0) [L323] node4__m4 = p3_old [L324] p3_old = nomsg [L325] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L334] mode4 = 0 [L335] __tmp_10696_0 = main____CPAchecker_TMP_0 [L337] main____CPAchecker_TMP_0 = __tmp_10696_0 [L338] p1_old = p1_new [L339] p1_new = nomsg [L340] p2_old = p2_new [L341] p2_new = nomsg [L342] p3_old = p3_new [L343] p3_new = nomsg [L344] p4_old = p4_new [L345] p4_new = nomsg [L347] int check__tmp; [L348] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1) [L790] check__tmp = 0 [L355] __return_10712 = check__tmp [L356] main__c1 = __return_10712 [L358] _Bool __tmp_2; [L359] __tmp_2 = main__c1 [L360] _Bool assert__arg; [L361] assert__arg = __tmp_2 [L362] COND TRUE assert__arg == 0 [L364] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...