/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/unbounded/pthread_simple_loop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:26:25,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:26:25,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:26:25,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:26:25,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:26:25,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:26:25,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:26:25,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:26:25,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:26:25,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:26:25,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:26:25,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:26:25,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:26:25,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:26:25,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:26:25,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:26:25,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:26:25,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:26:25,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:26:25,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:26:25,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:26:25,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:26:25,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:26:25,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:26:25,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:26:25,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:26:25,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:26:25,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:26:25,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:26:25,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:26:25,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:26:25,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:26:25,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:26:25,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:26:25,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:26:25,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:26:25,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:26:25,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:26:25,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:26:25,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:26:25,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:26:25,299 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 14:26:25,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:26:25,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:26:25,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:26:25,329 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:26:25,330 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:26:25,330 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:26:25,330 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:26:25,330 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:26:25,331 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:26:25,331 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:26:25,331 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:26:25,332 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:26:25,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:26:25,332 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:26:25,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:26:25,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:26:25,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:26:25,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:26:25,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:26:25,333 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:26:25,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:26:25,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:26:25,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:26:25,334 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:26:25,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:26:25,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:25,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:26:25,334 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:26:25,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:26:25,334 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:26:25,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:26:25,335 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:26:25,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:26:25,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:26:25,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:26:25,612 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:26:25,613 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:26:25,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/unbounded/pthread_simple_loop.bpl [2022-09-21 14:26:25,614 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/unbounded/pthread_simple_loop.bpl' [2022-09-21 14:26:25,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:26:25,643 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:26:25,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:25,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:26:25,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:26:25,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pthread_simple_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:25" (1/1) ... [2022-09-21 14:26:25,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pthread_simple_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:25" (1/1) ... [2022-09-21 14:26:25,666 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:26:25,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:25,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:26:25,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:26:25,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:26:25,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pthread_simple_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:25" (1/1) ... [2022-09-21 14:26:25,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pthread_simple_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:25" (1/1) ... [2022-09-21 14:26:25,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pthread_simple_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:25" (1/1) ... [2022-09-21 14:26:25,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pthread_simple_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:25" (1/1) ... [2022-09-21 14:26:25,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pthread_simple_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:25" (1/1) ... [2022-09-21 14:26:25,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pthread_simple_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:25" (1/1) ... [2022-09-21 14:26:25,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pthread_simple_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:25" (1/1) ... [2022-09-21 14:26:25,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:26:25,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:26:25,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:26:25,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:26:25,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pthread_simple_loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:25" (1/1) ... [2022-09-21 14:26:25,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:25,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:25,725 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 14:26:25,738 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 14:26:25,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-21 14:26:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-21 14:26:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-21 14:26:25,763 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-21 14:26:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-21 14:26:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-21 14:26:25,764 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:26:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:26:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:26:25,765 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 14:26:25,812 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:26:25,813 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:26:25,921 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:26:25,946 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:26:25,947 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-09-21 14:26:25,948 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2022-09-21 14:26:25,949 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-09-21 14:26:25,951 INFO L202 PluginConnector]: Adding new model pthread_simple_loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:25 BoogieIcfgContainer [2022-09-21 14:26:25,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:26:25,953 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:26:25,954 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:26:25,954 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:26:25,955 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "pthread_simple_loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:25" (1/1) ... [2022-09-21 14:26:26,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:26:26,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:26,037 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 14:26:26,063 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 14:26:26,107 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:26,109 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:26:26,110 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:26,175 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:26,246 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:26,313 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:26:26,313 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [a, m, c, b, temp] [2022-09-21 14:26:26,313 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:26,314 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:26,314 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:26,314 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [a, m, c, b, temp] [2022-09-21 14:26:26,315 INFO L631 ngineConcurrentUtils]: Start checking 4 possible combinations. [2022-09-21 14:26:26,315 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/4 [2022-09-21 14:26:26,430 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/4 [2022-09-21 14:26:26,530 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/4 [2022-09-21 14:26:26,631 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/4 [2022-09-21 14:26:26,719 INFO L651 ngineConcurrentUtils]: Number of combinations: 4 [2022-09-21 14:26:26,721 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:26,722 INFO L396 ointEngineConcurrent]: Reduced size from 4 to 1 [2022-09-21 14:26:26,722 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:26,739 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [a, m, c, b, temp] [2022-09-21 14:26:26,740 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:26:26,740 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:26:26,740 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:26,740 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:26,741 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:26,741 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:26,755 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:26:26,766 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:26:26,766 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:26:26,768 INFO L158 Benchmark]: Toolchain (without parser) took 1123.80ms. Allocated memory is still 179.3MB. Free memory was 132.9MB in the beginning and 140.9MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:26,768 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 179.3MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:26,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.02ms. Allocated memory is still 179.3MB. Free memory was 132.9MB in the beginning and 131.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:26,770 INFO L158 Benchmark]: Boogie Preprocessor took 19.30ms. Allocated memory is still 179.3MB. Free memory was 131.4MB in the beginning and 130.4MB in the end (delta: 976.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:26,771 INFO L158 Benchmark]: RCFGBuilder took 262.18ms. Allocated memory is still 179.3MB. Free memory was 130.4MB in the beginning and 121.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-09-21 14:26:26,771 INFO L158 Benchmark]: Abstract Interpretation took 813.37ms. Allocated memory is still 179.3MB. Free memory was 120.9MB in the beginning and 140.9MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:26,775 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 0.13ms. Allocated memory is still 179.3MB. Free memory is still 133.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.02ms. Allocated memory is still 179.3MB. Free memory was 132.9MB in the beginning and 131.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.30ms. Allocated memory is still 179.3MB. Free memory was 131.4MB in the beginning and 130.4MB in the end (delta: 976.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 262.18ms. Allocated memory is still 179.3MB. Free memory was 130.4MB in the beginning and 121.1MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Abstract Interpretation took 813.37ms. Allocated memory is still 179.3MB. Free memory was 120.9MB in the beginning and 140.9MB in the end (delta: -19.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 18]: 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] assume m == 0; [L17] m := 1; [L18] assert a != b; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:26:26,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-09-21 14:26:27,034 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...