/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/weaver-benchmarks/generated/parallel/min-max-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:28:55,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:28:55,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:28:55,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:28:55,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:28:55,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:28:55,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:28:55,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:28:55,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:28:55,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:28:55,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:28:55,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:28:55,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:28:55,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:28:55,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:28:55,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:28:55,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:28:55,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:28:55,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:28:55,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:28:55,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:28:55,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:28:55,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:28:55,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:28:55,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:28:55,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:28:55,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:28:55,570 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:28:55,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:28:55,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:28:55,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:28:55,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:28:55,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:28:55,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:28:55,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:28:55,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:28:55,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:28:55,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:28:55,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:28:55,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:28:55,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:28:55,578 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 14:28:55,614 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:28:55,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:28:55,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:28:55,615 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:28:55,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:28:55,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:28:55,616 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:28:55,616 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:28:55,616 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:28:55,616 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:28:55,617 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:28:55,617 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:28:55,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:28:55,618 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:28:55,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:28:55,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:28:55,618 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:28:55,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:28:55,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:28:55,618 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:28:55,619 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:28:55,619 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:28:55,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:28:55,620 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:28:55,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:28:55,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:28:55,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:28:55,620 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:28:55,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:28:55,621 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:28:55,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:28:55,621 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:28:55,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:28:55,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:28:55,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:28:55,886 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:28:55,886 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:28:55,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-2.wvr.bpl [2022-09-21 14:28:55,888 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/min-max-2.wvr.bpl' [2022-09-21 14:28:55,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:28:55,914 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:28:55,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:28:55,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:28:55,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:28:55,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:28:55" (1/1) ... [2022-09-21 14:28:55,931 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:28:55" (1/1) ... [2022-09-21 14:28:55,937 INFO L138 Inliner]: procedures = 6, calls = 5, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:28:55,938 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:28:55,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:28:55,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:28:55,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:28:55,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:28:55" (1/1) ... [2022-09-21 14:28:55,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:28:55" (1/1) ... [2022-09-21 14:28:55,957 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:28:55" (1/1) ... [2022-09-21 14:28:55,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:28:55" (1/1) ... [2022-09-21 14:28:55,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:28:55" (1/1) ... [2022-09-21 14:28:55,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:28:55" (1/1) ... [2022-09-21 14:28:55,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:28:55" (1/1) ... [2022-09-21 14:28:55,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:28:55,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:28:55,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:28:55,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:28:55,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:28:55" (1/1) ... [2022-09-21 14:28:55,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:28:55,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:28:56,001 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 14:28:56,007 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 14:28:56,033 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-21 14:28:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-21 14:28:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-21 14:28:56,033 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-21 14:28:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-21 14:28:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-21 14:28:56,034 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:28:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:28:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:28:56,034 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-21 14:28:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-21 14:28:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-21 14:28:56,034 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-09-21 14:28:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-09-21 14:28:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-09-21 14:28:56,035 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2022-09-21 14:28:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-09-21 14:28:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-09-21 14:28:56,036 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 14:28:56,079 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:28:56,081 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:28:56,220 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:28:56,226 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:28:56,227 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-21 14:28:56,228 INFO L202 PluginConnector]: Adding new model min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:28:56 BoogieIcfgContainer [2022-09-21 14:28:56,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:28:56,229 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:28:56,229 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:28:56,230 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:28:56,230 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "min-max-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:28:56" (1/1) ... [2022-09-21 14:28:56,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:28:56,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:28:56,302 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 14:28:56,347 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 14:28:56,418 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:28:56,429 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:28:56,430 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:28:56,470 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:28:56,605 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:28:56,634 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:28:56,658 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:28:56,661 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:28:56,683 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:28:56,684 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [A, v_assert, max, b2, N, b1, l, k, j, i, min] [2022-09-21 14:28:56,685 INFO L631 ngineConcurrentUtils]: Start checking 2 possible combinations. [2022-09-21 14:28:56,685 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/2 [2022-09-21 14:28:57,838 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/2 [2022-09-21 14:28:58,752 INFO L651 ngineConcurrentUtils]: Number of combinations: 2 [2022-09-21 14:28:58,753 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:28:58,753 INFO L396 ointEngineConcurrent]: Reduced size from 2 to 1 [2022-09-21 14:28:58,753 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:28:58,761 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [A, v_assert, max, b2, N, b1, l, k, j, i, min] [2022-09-21 14:28:58,762 INFO L631 ngineConcurrentUtils]: Start checking 3 possible combinations. [2022-09-21 14:28:58,762 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/3 [2022-09-21 14:28:59,786 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/3 [2022-09-21 14:29:00,832 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/3 [2022-09-21 14:29:01,837 INFO L651 ngineConcurrentUtils]: Number of combinations: 3 [2022-09-21 14:29:01,838 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:29:01,838 INFO L396 ointEngineConcurrent]: Reduced size from 3 to 1 [2022-09-21 14:29:01,838 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:29:01,868 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread3 with variables: [A, v_assert, max, b2, N, b1, l, k, j, i, min] [2022-09-21 14:29:01,869 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:29:01,869 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:29:01,869 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:01,869 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:29:01,869 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:29:01,869 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:29:01,869 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread4 with variables: [A, v_assert, max, b2, N, b1, l, k, j, i, min] [2022-09-21 14:29:01,869 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:29:01,869 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:29:01,869 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:01,870 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:29:01,870 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:29:01,870 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:29:01,870 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread5 with variables: [A, v_assert, max, b2, N, b1, l, k, j, i, min] [2022-09-21 14:29:01,870 INFO L631 ngineConcurrentUtils]: Start checking 36 possible combinations. [2022-09-21 14:29:01,870 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/36 [2022-09-21 14:29:03,104 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:03,105 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/36 [2022-09-21 14:29:03,803 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:03,803 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/36 [2022-09-21 14:29:04,977 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:04,977 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/36 [2022-09-21 14:29:06,176 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:06,176 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/36 [2022-09-21 14:29:07,760 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/36 [2022-09-21 14:29:08,810 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:08,810 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/36 [2022-09-21 14:29:09,874 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:09,874 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/36 [2022-09-21 14:29:11,121 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:11,121 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/36 [2022-09-21 14:29:11,612 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:11,613 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/36 [2022-09-21 14:29:12,584 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:12,584 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/36 [2022-09-21 14:29:13,607 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:13,607 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/36 [2022-09-21 14:29:14,630 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:14,630 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/36 [2022-09-21 14:29:15,290 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:15,290 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/36 [2022-09-21 14:29:16,375 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:16,375 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/36 [2022-09-21 14:29:17,529 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:17,529 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/36 [2022-09-21 14:29:18,819 INFO L642 ngineConcurrentUtils]: Filter Iteration 17/36 [2022-09-21 14:29:19,602 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:19,602 INFO L642 ngineConcurrentUtils]: Filter Iteration 18/36 [2022-09-21 14:29:20,538 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:20,538 INFO L642 ngineConcurrentUtils]: Filter Iteration 19/36 [2022-09-21 14:29:21,442 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:21,442 INFO L642 ngineConcurrentUtils]: Filter Iteration 20/36 [2022-09-21 14:29:22,053 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:22,053 INFO L642 ngineConcurrentUtils]: Filter Iteration 21/36 [2022-09-21 14:29:22,559 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:22,559 INFO L642 ngineConcurrentUtils]: Filter Iteration 22/36 [2022-09-21 14:29:23,511 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:23,511 INFO L642 ngineConcurrentUtils]: Filter Iteration 23/36 [2022-09-21 14:29:24,182 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:24,183 INFO L642 ngineConcurrentUtils]: Filter Iteration 24/36 [2022-09-21 14:29:25,462 INFO L642 ngineConcurrentUtils]: Filter Iteration 25/36 [2022-09-21 14:29:25,751 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:25,751 INFO L642 ngineConcurrentUtils]: Filter Iteration 26/36 [2022-09-21 14:29:26,041 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:26,041 INFO L642 ngineConcurrentUtils]: Filter Iteration 27/36 [2022-09-21 14:29:26,664 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:26,664 INFO L642 ngineConcurrentUtils]: Filter Iteration 28/36 [2022-09-21 14:29:28,166 INFO L642 ngineConcurrentUtils]: Filter Iteration 29/36 [2022-09-21 14:29:29,178 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:29,178 INFO L642 ngineConcurrentUtils]: Filter Iteration 30/36 [2022-09-21 14:29:30,116 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:30,116 INFO L642 ngineConcurrentUtils]: Filter Iteration 31/36 [2022-09-21 14:29:30,884 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:30,884 INFO L642 ngineConcurrentUtils]: Filter Iteration 32/36 [2022-09-21 14:29:32,041 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:32,041 INFO L642 ngineConcurrentUtils]: Filter Iteration 33/36 [2022-09-21 14:29:33,242 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:33,243 INFO L642 ngineConcurrentUtils]: Filter Iteration 34/36 [2022-09-21 14:29:33,561 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:33,562 INFO L642 ngineConcurrentUtils]: Filter Iteration 35/36 [2022-09-21 14:29:34,613 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:29:34,613 INFO L642 ngineConcurrentUtils]: Filter Iteration 36/36 [2022-09-21 14:29:35,994 INFO L651 ngineConcurrentUtils]: Number of combinations: 5 [2022-09-21 14:29:35,995 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:29:35,995 INFO L396 ointEngineConcurrent]: Reduced size from 5 to 1 [2022-09-21 14:29:35,995 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:29:35,998 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [A, v_assert, max, b2, N, b1, l, k, j, i, min] [2022-09-21 14:29:35,998 INFO L631 ngineConcurrentUtils]: Start checking 3 possible combinations. [2022-09-21 14:29:35,998 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/3 [2022-09-21 14:29:37,046 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/3 [2022-09-21 14:29:38,091 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/3 [2022-09-21 14:29:39,092 INFO L651 ngineConcurrentUtils]: Number of combinations: 3 [2022-09-21 14:29:39,092 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:29:39,093 INFO L396 ointEngineConcurrent]: Reduced size from 3 to 1 [2022-09-21 14:29:39,093 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:29:39,117 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:29:39,133 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:29:39,133 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:29:39,136 INFO L158 Benchmark]: Toolchain (without parser) took 43220.23ms. Allocated memory is still 176.2MB. Free memory was 131.0MB in the beginning and 102.5MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-09-21 14:29:39,137 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:29:39,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.98ms. Allocated memory is still 176.2MB. Free memory was 130.9MB in the beginning and 129.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-21 14:29:39,139 INFO L158 Benchmark]: Boogie Preprocessor took 23.11ms. Allocated memory is still 176.2MB. Free memory was 129.3MB in the beginning and 128.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:29:39,141 INFO L158 Benchmark]: RCFGBuilder took 261.35ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 118.0MB in the end (delta: 10.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-09-21 14:29:39,141 INFO L158 Benchmark]: Abstract Interpretation took 42904.29ms. Allocated memory is still 176.2MB. Free memory was 117.9MB in the beginning and 102.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.9MB. Max. memory is 8.0GB. [2022-09-21 14:29:39,146 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 176.2MB. Free memory is still 132.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.98ms. Allocated memory is still 176.2MB. Free memory was 130.9MB in the beginning and 129.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.11ms. Allocated memory is still 176.2MB. Free memory was 129.3MB in the beginning and 128.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 261.35ms. Allocated memory is still 176.2MB. Free memory was 128.3MB in the beginning and 118.0MB in the end (delta: 10.2MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Abstract Interpretation took 42904.29ms. Allocated memory is still 176.2MB. Free memory was 117.9MB in the beginning and 102.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 82]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L70] 0 assume (i == j && i == k && i == l && i == 0) && v_assert == b1 && v_assert == b2 && v_assert == false; [L71] FORK 0 fork 1 thread1(); [L72] FORK 0 fork 2, 2 thread2(); [L73] FORK 0 fork 3, 3, 3 thread3(); [L74] FORK 0 fork 4, 4, 4, 4 thread4(); [L75] FORK 0 fork 5, 5, 5, 5, 5 thread5(); [L76] JOIN 0 join 1; [L77] JOIN 0 join 2, 2; [L78] JOIN 0 join 3, 3, 3; [L79] JOIN 0 join 4, 4, 4, 4; [L80] JOIN 0 join 5, 5, 5, 5, 5; [L81] 0 assume !v_assert; [L82] 0 assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:29:39,371 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forcibly destroying the process [2022-09-21 14:29:39,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 137 [2022-09-21 14:29:39,405 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...