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/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:04:19,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:04:19,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:04:19,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:04:19,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:04:19,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:04:19,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:04:19,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:04:19,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:04:19,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:04:19,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:04:19,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:04:19,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:04:19,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:04:19,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:04:19,997 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:04:19,998 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:04:19,999 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:04:20,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:04:20,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:04:20,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:04:20,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:04:20,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:04:20,015 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:04:20,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:04:20,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:04:20,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:04:20,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:04:20,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:04:20,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:04:20,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:04:20,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:04:20,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:04:20,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:04:20,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:04:20,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:04:20,034 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 17:04:20,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:04:20,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:04:20,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:04:20,057 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:04:20,058 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:04:20,058 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:04:20,058 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:04:20,058 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:04:20,059 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:04:20,059 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:04:20,061 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:04:20,061 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:04:20,061 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:04:20,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:04:20,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:04:20,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:04:20,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:04:20,062 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:04:20,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:04:20,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:04:20,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:04:20,063 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:04:20,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:04:20,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:04:20,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:04:20,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:04:20,064 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:04:20,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:04:20,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:04:20,065 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:04:20,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:04:20,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:04:20,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:04:20,138 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:04:20,139 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:04:20,139 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2019-09-11 17:04:20,210 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7abb26a7/7f615bd23abc424092f656261302b5fc/FLAG35b56ce0f [2019-09-11 17:04:20,706 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:04:20,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.3_overflow.ufo.UNBOUNDED.pals.c [2019-09-11 17:04:20,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7abb26a7/7f615bd23abc424092f656261302b5fc/FLAG35b56ce0f [2019-09-11 17:04:21,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7abb26a7/7f615bd23abc424092f656261302b5fc [2019-09-11 17:04:21,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:04:21,049 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:04:21,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:04:21,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:04:21,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:04:21,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:04:21" (1/1) ... [2019-09-11 17:04:21,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@779b0c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:21, skipping insertion in model container [2019-09-11 17:04:21,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:04:21" (1/1) ... [2019-09-11 17:04:21,065 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:04:21,112 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:04:21,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:04:21,444 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:04:21,484 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:04:21,502 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:04:21,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:21 WrapperNode [2019-09-11 17:04:21,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:04:21,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:04:21,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:04:21,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:04:21,514 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:21" (1/1) ... [2019-09-11 17:04:21,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:21" (1/1) ... [2019-09-11 17:04:21,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:21" (1/1) ... [2019-09-11 17:04:21,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:21" (1/1) ... [2019-09-11 17:04:21,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:21" (1/1) ... [2019-09-11 17:04:21,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:21" (1/1) ... [2019-09-11 17:04:21,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:21" (1/1) ... [2019-09-11 17:04:21,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:04:21,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:04:21,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:04:21,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:04:21,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:21" (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 17:04:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:04:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:04:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:04:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:04:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:04:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:04:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:04:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:04:21,610 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:04:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:04:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:04:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:04:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:04:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:04:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:04:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:04:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:04:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:04:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:04:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:04:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:04:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:04:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:04:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:04:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:04:22,078 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:04:22,078 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:04:22,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:04:22 BoogieIcfgContainer [2019-09-11 17:04:22,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:04:22,080 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:04:22,081 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:04:22,081 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:04:22,082 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:04:22" (1/1) ... [2019-09-11 17:04:22,115 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:04:22,247 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:04:23,759 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:04:23,810 INFO L272 AbstractInterpreter]: Visited 120 different actions 1650 times. Merged at 36 different actions 606 times. Widened at 1 different actions 4 times. Performed 8198 root evaluator evaluations with a maximum evaluation depth of 6. Performed 8198 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 297 fixpoints after 30 different actions. Largest state had 74 variables. [2019-09-11 17:04:23,810 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:04:23,816 INFO L168 Benchmark]: Toolchain (without parser) took 2762.70 ms. Allocated memory was 143.1 MB in the beginning and 253.2 MB in the end (delta: 110.1 MB). Free memory was 90.6 MB in the beginning and 101.5 MB in the end (delta: -10.9 MB). Peak memory consumption was 99.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:23,817 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:04:23,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.08 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 90.4 MB in the beginning and 175.4 MB in the end (delta: -85.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:23,820 INFO L168 Benchmark]: Boogie Preprocessor took 53.18 ms. Allocated memory is still 200.3 MB. Free memory was 175.4 MB in the beginning and 173.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:23,821 INFO L168 Benchmark]: RCFGBuilder took 522.57 ms. Allocated memory is still 200.3 MB. Free memory was 173.1 MB in the beginning and 143.9 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:23,822 INFO L168 Benchmark]: Abstract Interpretation took 1729.79 ms. Allocated memory was 200.3 MB in the beginning and 253.2 MB in the end (delta: 53.0 MB). Free memory was 143.9 MB in the beginning and 101.5 MB in the end (delta: 42.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:23,833 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 143.1 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 453.08 ms. Allocated memory was 143.1 MB in the beginning and 200.3 MB in the end (delta: 57.1 MB). Free memory was 90.4 MB in the beginning and 175.4 MB in the end (delta: -85.0 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.18 ms. Allocated memory is still 200.3 MB. Free memory was 175.4 MB in the beginning and 173.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 522.57 ms. Allocated memory is still 200.3 MB. Free memory was 173.1 MB in the beginning and 143.9 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1729.79 ms. Allocated memory was 200.3 MB in the beginning and 253.2 MB in the end (delta: 53.0 MB). Free memory was 143.9 MB in the beginning and 101.5 MB in the end (delta: 42.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 327]: 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: [L72] msg_t nomsg = (msg_t )-1; [L73] unsigned char r1 ; [L74] port_t p1 ; [L75] char p1_old ; [L76] char p1_new ; [L77] char id1 ; [L78] char st1 ; [L79] msg_t send1 ; [L80] _Bool mode1 ; [L81] port_t p2 ; [L82] char p2_old ; [L83] char p2_new ; [L84] char id2 ; [L85] char st2 ; [L86] msg_t send2 ; [L87] _Bool mode2 ; [L88] port_t p3 ; [L89] char p3_old ; [L90] char p3_new ; [L91] char id3 ; [L92] char st3 ; [L93] msg_t send3 ; [L94] _Bool mode3 ; [L171] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L275] int c1 ; [L276] int i2 ; [L279] c1 = 0 [L280] r1 = __VERIFIER_nondet_uchar() [L281] id1 = __VERIFIER_nondet_char() [L282] st1 = __VERIFIER_nondet_char() [L283] send1 = __VERIFIER_nondet_char() [L284] mode1 = __VERIFIER_nondet_bool() [L285] id2 = __VERIFIER_nondet_char() [L286] st2 = __VERIFIER_nondet_char() [L287] send2 = __VERIFIER_nondet_char() [L288] mode2 = __VERIFIER_nondet_bool() [L289] id3 = __VERIFIER_nondet_char() [L290] st3 = __VERIFIER_nondet_char() [L291] send3 = __VERIFIER_nondet_char() [L292] mode3 = __VERIFIER_nondet_bool() [L293] CALL, EXPR init() [L174] int tmp ; [L177] COND TRUE (int )r1 == 0 [L178] COND TRUE (int )id1 >= 0 [L179] COND TRUE (int )st1 == 0 [L180] COND TRUE (int )send1 == (int )id1 [L181] COND TRUE (int )mode1 == 0 [L182] COND TRUE (int )id2 >= 0 [L183] COND TRUE (int )st2 == 0 [L184] COND TRUE (int )send2 == (int )id2 [L185] COND TRUE (int )mode2 == 0 [L186] COND TRUE (int )id3 >= 0 [L187] COND TRUE (int )st3 == 0 [L188] COND TRUE (int )send3 == (int )id3 [L189] COND TRUE (int )mode3 == 0 [L190] COND TRUE (int )id1 != (int )id2 [L191] COND TRUE (int )id1 != (int )id3 [L192] COND TRUE (int )id2 != (int )id3 [L193] tmp = 1 [L242] return (tmp); [L293] RET, EXPR init() [L293] i2 = init() [L295] p1_old = nomsg [L296] p1_new = nomsg [L297] p2_old = nomsg [L298] p2_new = nomsg [L299] p3_old = nomsg [L300] p3_new = nomsg [L301] i2 = 0 [L302] COND TRUE 1 [L304] CALL node1() [L97] msg_t m1 ; [L100] m1 = nomsg [L101] COND FALSE !(\read(mode1)) [L115] EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L115] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L116] mode1 = (_Bool)1 [L304] RET node1() [L305] CALL node2() [L123] msg_t m2 ; [L126] m2 = nomsg [L127] COND FALSE !(\read(mode2)) [L140] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L140] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L141] mode2 = (_Bool)1 [L305] RET node2() [L306] CALL node3() [L148] msg_t m3 ; [L151] m3 = nomsg [L152] COND TRUE \read(mode3) [L153] m3 = p2_old [L154] p2_old = nomsg [L155] COND FALSE !((int )m3 != (int )nomsg) [L163] mode3 = (_Bool)0 [L306] RET node3() [L307] p1_old = p1_new [L308] p1_new = nomsg [L309] p2_old = p2_new [L310] p2_new = nomsg [L311] p3_old = p3_new [L312] p3_new = nomsg [L313] CALL, EXPR check() [L247] int tmp ; [L250] COND FALSE !(((int )st1 + (int )st2) + (int )st3 <= 1) [L268] tmp = 0 [L270] return (tmp); [L313] RET, EXPR check() [L313] c1 = check() [L314] CALL assert(c1) [L325] COND TRUE ! arg [L327] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...