/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/thread-modular/svcomp-Reach-32bit-Automizer_Default+AIv2_OCT_FLOW_SENSITIVE_FILTERED.epf -i ../../../trunk/examples/concurrent/bpl/regression/showcase/Bakery.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:26:18,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:26:18,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:26:18,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:26:18,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:26:18,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:26:18,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:26:18,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:26:18,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:26:18,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:26:18,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:26:18,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:26:18,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:26:18,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:26:18,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:26:18,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:26:18,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:26:18,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:26:18,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:26:18,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:26:18,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:26:18,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:26:18,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:26:18,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:26:18,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:26:18,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:26:18,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:26:18,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:26:18,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:26:18,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:26:18,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:26:18,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:26:18,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:26:18,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:26:18,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:26:18,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:26:18,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:26:18,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:26:18,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:26:18,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:26:18,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:26:18,806 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/thread-modular/svcomp-Reach-32bit-Automizer_Default+AIv2_OCT_FLOW_SENSITIVE_FILTERED.epf [2022-09-21 14:26:18,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:26:18,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:26:18,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:26:18,837 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:26:18,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:26:18,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:26:18,838 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:26:18,838 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:26:18,838 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:26:18,839 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:26:18,839 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:26:18,839 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:26:18,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:26:18,840 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:26:18,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:26:18,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:26:18,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:26:18,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:26:18,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:26:18,841 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:26:18,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:26:18,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:26:18,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:26:18,842 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:26:18,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:26:18,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:18,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:26:18,843 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:26:18,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:26:18,843 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:26:18,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:26:18,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:26:19,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:26:19,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:26:19,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:26:19,094 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:26:19,094 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:26:19,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Bakery.bpl [2022-09-21 14:26:19,096 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Bakery.bpl' [2022-09-21 14:26:19,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:26:19,121 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:26:19,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:19,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:26:19,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:26:19,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:19" (1/1) ... [2022-09-21 14:26:19,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:19" (1/1) ... [2022-09-21 14:26:19,153 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:26:19,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:19,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:26:19,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:26:19,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:26:19,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:19" (1/1) ... [2022-09-21 14:26:19,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:19" (1/1) ... [2022-09-21 14:26:19,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:19" (1/1) ... [2022-09-21 14:26:19,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:19" (1/1) ... [2022-09-21 14:26:19,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:19" (1/1) ... [2022-09-21 14:26:19,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:19" (1/1) ... [2022-09-21 14:26:19,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:19" (1/1) ... [2022-09-21 14:26:19,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:26:19,169 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:26:19,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:26:19,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:26:19,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Bakery.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:19" (1/1) ... [2022-09-21 14:26:19,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:19,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:19,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-21 14:26:19,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-21 14:26:19,237 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process0 given in one single declaration [2022-09-21 14:26:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure Process0 [2022-09-21 14:26:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure Process0 [2022-09-21 14:26:19,237 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process1 given in one single declaration [2022-09-21 14:26:19,237 INFO L130 BoogieDeclarations]: Found specification of procedure Process1 [2022-09-21 14:26:19,237 INFO L138 BoogieDeclarations]: Found implementation of procedure Process1 [2022-09-21 14:26:19,237 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:26:19,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:26:19,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:26:19,238 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-21 14:26:19,273 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:26:19,275 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:26:19,346 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:26:19,368 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:26:19,369 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-09-21 14:26:19,370 INFO L202 PluginConnector]: Adding new model Bakery.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:19 BoogieIcfgContainer [2022-09-21 14:26:19,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:26:19,371 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:26:19,371 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:26:19,371 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:26:19,372 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "Bakery.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:19" (1/1) ... [2022-09-21 14:26:19,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:26:19,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:19,423 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-09-21 14:26:19,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-09-21 14:26:19,479 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:19,480 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:26:19,480 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:19,500 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:19,507 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:19,513 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:26:19,514 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [critical, n0, n1] [2022-09-21 14:26:19,514 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:19,514 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:19,514 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:19,514 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for Process0 with variables: [critical, n0, n1] [2022-09-21 14:26:19,515 INFO L631 ngineConcurrentUtils]: Start checking 4 possible combinations. [2022-09-21 14:26:19,515 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/4 [2022-09-21 14:26:19,715 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/4 [2022-09-21 14:26:19,893 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/4 [2022-09-21 14:26:20,096 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/4 [2022-09-21 14:26:20,320 INFO L651 ngineConcurrentUtils]: Number of combinations: 4 [2022-09-21 14:26:20,323 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:20,324 INFO L396 ointEngineConcurrent]: Reduced size from 4 to 3 [2022-09-21 14:26:20,325 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:20,341 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:20,363 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:20,384 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for Process1 with variables: [critical, n0, n1] [2022-09-21 14:26:20,384 INFO L631 ngineConcurrentUtils]: Start checking 4 possible combinations. [2022-09-21 14:26:20,384 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/4 [2022-09-21 14:26:20,588 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/4 [2022-09-21 14:26:20,791 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/4 [2022-09-21 14:26:21,007 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/4 [2022-09-21 14:26:21,222 INFO L651 ngineConcurrentUtils]: Number of combinations: 4 [2022-09-21 14:26:21,224 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:21,224 INFO L396 ointEngineConcurrent]: Reduced size from 4 to 3 [2022-09-21 14:26:21,225 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:21,232 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:21,238 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:21,245 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 3 [2022-09-21 14:26:21,245 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:21,245 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:21,246 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:21,247 INFO L396 ointEngineConcurrent]: Reduced size from 4 to 2 [2022-09-21 14:26:21,247 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:21,254 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:21,261 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:21,261 INFO L396 ointEngineConcurrent]: Reduced size from 4 to 2 [2022-09-21 14:26:21,262 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:21,268 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:21,275 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:26:21,284 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:26:21,284 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:26:21,286 INFO L158 Benchmark]: Toolchain (without parser) took 2163.83ms. Allocated memory is still 190.8MB. Free memory was 144.2MB in the beginning and 143.1MB in the end (delta: 1.1MB). Peak memory consumption was 3.8MB. Max. memory is 8.0GB. [2022-09-21 14:26:21,286 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:21,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.42ms. Allocated memory is still 190.8MB. Free memory was 144.2MB in the beginning and 142.6MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-21 14:26:21,287 INFO L158 Benchmark]: Boogie Preprocessor took 13.25ms. Allocated memory is still 190.8MB. Free memory was 142.6MB in the beginning and 141.7MB in the end (delta: 906.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:21,288 INFO L158 Benchmark]: RCFGBuilder took 200.92ms. Allocated memory is still 190.8MB. Free memory was 141.6MB in the beginning and 163.4MB in the end (delta: -21.9MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. [2022-09-21 14:26:21,289 INFO L158 Benchmark]: Abstract Interpretation took 1912.94ms. Allocated memory is still 190.8MB. Free memory was 163.2MB in the beginning and 143.1MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:21,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 145.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.42ms. Allocated memory is still 190.8MB. Free memory was 144.2MB in the beginning and 142.6MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 13.25ms. Allocated memory is still 190.8MB. Free memory was 142.6MB in the beginning and 141.7MB in the end (delta: 906.1kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 200.92ms. Allocated memory is still 190.8MB. Free memory was 141.6MB in the beginning and 163.4MB in the end (delta: -21.9MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. * Abstract Interpretation took 1912.94ms. Allocated memory is still 190.8MB. Free memory was 163.2MB in the beginning and 143.1MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 38]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L36] n0 := n1 + 1; [L37] assume n1 == 0 || n0 < n1; [L38] assert critical == 0; - UnprovableResult [Line: 53]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L51] n1 := n0 + 1; [L52] assume n0 == 0 || n1 < n0; [L53] assert critical == 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:26:21,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-09-21 14:26:21,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...