/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/JoinTheForkingThread.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:26:08,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:26:08,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:26:08,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:26:08,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:26:08,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:26:08,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:26:08,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:26:08,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:26:08,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:26:08,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:26:08,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:26:08,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:26:08,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:26:08,741 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:26:08,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:26:08,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:26:08,744 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:26:08,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:26:08,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:26:08,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:26:08,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:26:08,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:26:08,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:26:08,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-21 14:26:08,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:26:08,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:26:08,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:26:08,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:26:08,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:26:08,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:26:08,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:26:08,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:26:08,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:26:08,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:26:08,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:26:08,764 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 14:26:08,794 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:26:08,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:26:08,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:26:08,795 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:26:08,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:26:08,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:26:08,796 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:26:08,796 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:26:08,796 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:26:08,796 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:26:08,797 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:26:08,797 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:26:08,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:26:08,798 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:26:08,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:26:08,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:26:08,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:26:08,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:26:08,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:26:08,799 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:26:08,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:26:08,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:26:08,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:26:08,799 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:26:08,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:26:08,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:08,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:26:08,800 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:26:08,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:26:08,800 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:26:08,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:26:08,801 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:26:09,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:26:09,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:26:09,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:26:09,051 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:26:09,053 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:26:09,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/JoinTheForkingThread.bpl [2022-09-21 14:26:09,055 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/JoinTheForkingThread.bpl' [2022-09-21 14:26:09,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:26:09,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:26:09,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:09,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:26:09,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:26:09,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:09" (1/1) ... [2022-09-21 14:26:09,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:09" (1/1) ... [2022-09-21 14:26:09,100 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:26:09,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:09,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:26:09,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:26:09,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:26:09,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:09" (1/1) ... [2022-09-21 14:26:09,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:09" (1/1) ... [2022-09-21 14:26:09,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:09" (1/1) ... [2022-09-21 14:26:09,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:09" (1/1) ... [2022-09-21 14:26:09,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:09" (1/1) ... [2022-09-21 14:26:09,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:09" (1/1) ... [2022-09-21 14:26:09,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:09" (1/1) ... [2022-09-21 14:26:09,111 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:26:09,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:26:09,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:26:09,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:26:09,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:09" (1/1) ... [2022-09-21 14:26:09,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:09,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:09,143 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 14:26:09,172 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 14:26:09,185 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bar given in one single declaration [2022-09-21 14:26:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2022-09-21 14:26:09,185 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2022-09-21 14:26:09,186 INFO L124 BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration [2022-09-21 14:26:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-09-21 14:26:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-09-21 14:26:09,186 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:26:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:26:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:26:09,186 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 14:26:09,224 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:26:09,225 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:26:09,297 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:26:09,305 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:26:09,305 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-21 14:26:09,308 INFO L202 PluginConnector]: Adding new model JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:09 BoogieIcfgContainer [2022-09-21 14:26:09,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:26:09,310 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:26:09,310 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:26:09,311 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:26:09,312 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "JoinTheForkingThread.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:09" (1/1) ... [2022-09-21 14:26:09,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:26:09,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:09,379 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 14:26:09,415 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 14:26:09,431 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:09,433 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:26:09,435 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:09,461 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:09,468 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:09,469 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:26:09,470 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [g] [2022-09-21 14:26:09,470 INFO L631 ngineConcurrentUtils]: Start checking 2 possible combinations. [2022-09-21 14:26:09,470 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/2 [2022-09-21 14:26:09,713 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/2 [2022-09-21 14:26:09,914 INFO L651 ngineConcurrentUtils]: Number of combinations: 2 [2022-09-21 14:26:09,914 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:09,915 INFO L396 ointEngineConcurrent]: Reduced size from 2 to 2 [2022-09-21 14:26:09,915 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:09,944 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:09,952 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for foo with variables: [g] [2022-09-21 14:26:09,952 INFO L631 ngineConcurrentUtils]: Start checking 2 possible combinations. [2022-09-21 14:26:09,952 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/2 [2022-09-21 14:26:10,066 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/2 [2022-09-21 14:26:10,158 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:10,159 INFO L651 ngineConcurrentUtils]: Number of combinations: 1 [2022-09-21 14:26:10,159 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,159 INFO L396 ointEngineConcurrent]: Reduced size from 1 to 1 [2022-09-21 14:26:10,159 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,166 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for bar with variables: [g] [2022-09-21 14:26:10,166 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:10,166 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,166 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:10,167 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 3 [2022-09-21 14:26:10,167 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,167 INFO L396 ointEngineConcurrent]: Reduced size from 2 to 2 [2022-09-21 14:26:10,167 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,173 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,176 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,176 INFO L396 ointEngineConcurrent]: Reduced size from 1 to 1 [2022-09-21 14:26:10,177 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,180 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,180 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:10,180 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 4 [2022-09-21 14:26:10,180 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,181 INFO L396 ointEngineConcurrent]: Reduced size from 2 to 2 [2022-09-21 14:26:10,181 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,194 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,197 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,197 INFO L396 ointEngineConcurrent]: Reduced size from 1 to 1 [2022-09-21 14:26:10,197 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,201 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,201 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:10,201 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 5 [2022-09-21 14:26:10,201 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,201 INFO L396 ointEngineConcurrent]: Reduced size from 2 to 2 [2022-09-21 14:26:10,201 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,208 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,211 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,212 INFO L396 ointEngineConcurrent]: Reduced size from 1 to 1 [2022-09-21 14:26:10,212 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,215 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,215 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:10,215 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 6 [2022-09-21 14:26:10,215 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,216 INFO L396 ointEngineConcurrent]: Reduced size from 2 to 2 [2022-09-21 14:26:10,216 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,219 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,227 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,227 INFO L396 ointEngineConcurrent]: Reduced size from 1 to 1 [2022-09-21 14:26:10,228 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:10,230 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:10,230 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:10,231 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:26:10,244 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:26:10,244 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:26:10,246 INFO L158 Benchmark]: Toolchain (without parser) took 1168.96ms. Allocated memory is still 188.7MB. Free memory was 145.6MB in the beginning and 154.0MB in the end (delta: -8.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:10,247 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:10,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.24ms. Allocated memory is still 188.7MB. Free memory was 145.6MB in the beginning and 144.0MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-21 14:26:10,249 INFO L158 Benchmark]: Boogie Preprocessor took 8.86ms. Allocated memory is still 188.7MB. Free memory was 144.0MB in the beginning and 143.2MB in the end (delta: 815.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:10,250 INFO L158 Benchmark]: RCFGBuilder took 197.18ms. Allocated memory is still 188.7MB. Free memory was 143.1MB in the beginning and 134.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-09-21 14:26:10,251 INFO L158 Benchmark]: Abstract Interpretation took 933.75ms. Allocated memory is still 188.7MB. Free memory was 134.7MB in the beginning and 154.0MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:10,254 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 188.7MB. Free memory is still 146.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.24ms. Allocated memory is still 188.7MB. Free memory was 145.6MB in the beginning and 144.0MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 8.86ms. Allocated memory is still 188.7MB. Free memory was 144.0MB in the beginning and 143.2MB in the end (delta: 815.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 197.18ms. Allocated memory is still 188.7MB. Free memory was 143.1MB in the beginning and 134.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Abstract Interpretation took 933.75ms. Allocated memory is still 188.7MB. Free memory was 134.7MB in the beginning and 154.0MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 45]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L40] 0 res := 23; [L44] JOIN 0 join nondet assign localVar; [L45] 0 assert false; - UnprovableResult [Line: 23]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L17] 0 x := 0; [L18] 0 g := 0; [L20] FORK 0 fork 1 foo(x); [L21] JOIN 0 join 2; [L23] 0 assert g == 0; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:26:10,306 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 14:26:10,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...