/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/popl20-more/queue-add-3-nl.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:30:47,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:30:47,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:30:47,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:30:47,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:30:47,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:30:47,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:30:47,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:30:47,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:30:47,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:30:47,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:30:47,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:30:47,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:30:47,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:30:47,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:30:47,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:30:47,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:30:47,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:30:47,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:30:47,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:30:47,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:30:47,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:30:47,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:30:47,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:30:47,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:30:47,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:30:47,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:30:47,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:30:47,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:30:47,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:30:47,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:30:47,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:30:47,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:30:47,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:30:47,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:30:47,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:30:47,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:30:47,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:30:47,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:30:47,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:30:47,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:30:47,160 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 14:30:47,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:30:47,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:30:47,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:30:47,183 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:30:47,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:30:47,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:30:47,183 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:30:47,184 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:30:47,184 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:30:47,184 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:30:47,184 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:30:47,184 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:30:47,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:30:47,185 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:30:47,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:30:47,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:30:47,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:30:47,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:30:47,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:30:47,185 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:30:47,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:30:47,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:30:47,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:30:47,186 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:30:47,186 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:30:47,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:30:47,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:30:47,186 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:30:47,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:30:47,186 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:30:47,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:30:47,187 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:30:47,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:30:47,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:30:47,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:30:47,454 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:30:47,455 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:30:47,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl [2022-09-21 14:30:47,457 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl' [2022-09-21 14:30:47,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:30:47,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:30:47,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:30:47,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:30:47,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:30:47,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:47" (1/1) ... [2022-09-21 14:30:47,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:47" (1/1) ... [2022-09-21 14:30:47,509 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:30:47,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:30:47,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:30:47,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:30:47,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:30:47,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:47" (1/1) ... [2022-09-21 14:30:47,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:47" (1/1) ... [2022-09-21 14:30:47,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:47" (1/1) ... [2022-09-21 14:30:47,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:47" (1/1) ... [2022-09-21 14:30:47,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:47" (1/1) ... [2022-09-21 14:30:47,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:47" (1/1) ... [2022-09-21 14:30:47,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:47" (1/1) ... [2022-09-21 14:30:47,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:30:47,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:30:47,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:30:47,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:30:47,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:30:47" (1/1) ... [2022-09-21 14:30:47,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:30:47,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:30:47,572 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 14:30:47,578 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 14:30:47,608 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-21 14:30:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-21 14:30:47,608 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-21 14:30:47,608 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-21 14:30:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-21 14:30:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-21 14:30:47,609 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:30:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:30:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:30:47,609 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-21 14:30:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-21 14:30:47,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-21 14:30:47,610 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 14:30:47,651 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:30:47,652 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:30:47,772 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:30:47,806 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:30:47,807 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-21 14:30:47,808 INFO L202 PluginConnector]: Adding new model queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:30:47 BoogieIcfgContainer [2022-09-21 14:30:47,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:30:47,809 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:30:47,809 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:30:47,810 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:30:47,823 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:30:47" (1/1) ... [2022-09-21 14:30:47,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:30:47,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:30:47,921 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 14:30:47,922 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 14:30:47,997 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:47,998 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:30:47,999 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:48,054 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:48,188 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:48,196 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:30:48,201 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:30:48,202 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [q2, z, x, t, q2_back, j, f, C, q1, y, s, q1_front, N, k, i, g, q2_front, q1_back] [2022-09-21 14:30:48,203 INFO L631 ngineConcurrentUtils]: Start checking 36 possible combinations. [2022-09-21 14:30:48,203 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/36 [2022-09-21 14:30:49,681 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/36 [2022-09-21 14:30:49,893 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:49,893 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/36 [2022-09-21 14:30:51,015 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:51,015 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/36 [2022-09-21 14:30:51,724 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:51,724 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/36 [2022-09-21 14:30:52,634 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:52,634 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/36 [2022-09-21 14:30:53,286 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:53,287 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/36 [2022-09-21 14:30:54,682 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:54,682 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/36 [2022-09-21 14:30:55,170 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:55,170 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/36 [2022-09-21 14:30:55,796 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:55,797 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/36 [2022-09-21 14:30:56,481 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:56,482 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/36 [2022-09-21 14:30:57,320 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:57,321 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/36 [2022-09-21 14:30:57,577 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:57,577 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/36 [2022-09-21 14:30:58,049 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:58,050 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/36 [2022-09-21 14:30:58,486 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:58,486 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/36 [2022-09-21 14:30:58,864 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:58,865 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/36 [2022-09-21 14:30:59,374 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:59,374 INFO L642 ngineConcurrentUtils]: Filter Iteration 17/36 [2022-09-21 14:30:59,639 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:59,639 INFO L642 ngineConcurrentUtils]: Filter Iteration 18/36 [2022-09-21 14:30:59,986 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:30:59,986 INFO L642 ngineConcurrentUtils]: Filter Iteration 19/36 [2022-09-21 14:31:00,342 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:00,343 INFO L642 ngineConcurrentUtils]: Filter Iteration 20/36 [2022-09-21 14:31:01,498 INFO L642 ngineConcurrentUtils]: Filter Iteration 21/36 [2022-09-21 14:31:01,905 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:01,905 INFO L642 ngineConcurrentUtils]: Filter Iteration 22/36 [2022-09-21 14:31:02,398 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:02,398 INFO L642 ngineConcurrentUtils]: Filter Iteration 23/36 [2022-09-21 14:31:02,821 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:02,821 INFO L642 ngineConcurrentUtils]: Filter Iteration 24/36 [2022-09-21 14:31:04,079 INFO L642 ngineConcurrentUtils]: Filter Iteration 25/36 [2022-09-21 14:31:04,612 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:04,612 INFO L642 ngineConcurrentUtils]: Filter Iteration 26/36 [2022-09-21 14:31:05,437 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:05,437 INFO L642 ngineConcurrentUtils]: Filter Iteration 27/36 [2022-09-21 14:31:05,681 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:05,682 INFO L642 ngineConcurrentUtils]: Filter Iteration 28/36 [2022-09-21 14:31:06,089 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:06,089 INFO L642 ngineConcurrentUtils]: Filter Iteration 29/36 [2022-09-21 14:31:06,398 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:06,398 INFO L642 ngineConcurrentUtils]: Filter Iteration 30/36 [2022-09-21 14:31:06,810 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:06,810 INFO L642 ngineConcurrentUtils]: Filter Iteration 31/36 [2022-09-21 14:31:07,496 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:07,497 INFO L642 ngineConcurrentUtils]: Filter Iteration 32/36 [2022-09-21 14:31:08,808 INFO L642 ngineConcurrentUtils]: Filter Iteration 33/36 [2022-09-21 14:31:09,189 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:09,189 INFO L642 ngineConcurrentUtils]: Filter Iteration 34/36 [2022-09-21 14:31:09,687 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:09,688 INFO L642 ngineConcurrentUtils]: Filter Iteration 35/36 [2022-09-21 14:31:09,826 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:09,826 INFO L642 ngineConcurrentUtils]: Filter Iteration 36/36 [2022-09-21 14:31:11,082 INFO L651 ngineConcurrentUtils]: Number of combinations: 5 [2022-09-21 14:31:11,084 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:31:11,085 INFO L396 ointEngineConcurrent]: Reduced size from 5 to 3 [2022-09-21 14:31:11,085 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:11,094 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:11,107 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:31:11,117 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [q2, z, x, t, q2_back, j, f, C, q1, y, s, q1_front, N, k, i, g, q2_front, q1_back] [2022-09-21 14:31:11,117 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:31:11,117 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:31:11,117 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:11,117 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:31:11,117 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:31:11,118 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:31:11,118 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [q2, z, x, t, q2_back, j, f, C, q1, y, s, q1_front, N, k, i, g, q2_front, q1_back] [2022-09-21 14:31:11,119 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:31:11,119 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:31:11,119 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:11,120 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:31:11,120 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:31:11,120 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:31:11,120 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread3 with variables: [q2, z, x, t, q2_back, j, f, C, q1, y, s, q1_front, N, k, i, g, q2_front, q1_back] [2022-09-21 14:31:11,120 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:31:11,120 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:31:11,120 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:31:11,121 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:31:11,121 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:31:11,121 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:31:11,131 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:31:11,141 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:31:11,141 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:31:11,144 INFO L158 Benchmark]: Toolchain (without parser) took 23656.73ms. Allocated memory is still 179.3MB. Free memory was 140.8MB in the beginning and 133.2MB in the end (delta: 7.6MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2022-09-21 14:31:11,145 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 179.3MB. Free memory was 142.1MB in the beginning and 142.0MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:31:11,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.35ms. Allocated memory is still 179.3MB. Free memory was 140.7MB in the beginning and 139.2MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-21 14:31:11,147 INFO L158 Benchmark]: Boogie Preprocessor took 27.12ms. Allocated memory is still 179.3MB. Free memory was 139.2MB in the beginning and 138.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:31:11,149 INFO L158 Benchmark]: RCFGBuilder took 268.11ms. Allocated memory is still 179.3MB. Free memory was 138.1MB in the beginning and 127.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-09-21 14:31:11,149 INFO L158 Benchmark]: Abstract Interpretation took 23331.99ms. Allocated memory is still 179.3MB. Free memory was 126.8MB in the beginning and 133.2MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:31:11,156 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 0.14ms. Allocated memory is still 179.3MB. Free memory was 142.1MB in the beginning and 142.0MB in the end (delta: 82.6kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.35ms. Allocated memory is still 179.3MB. Free memory was 140.7MB in the beginning and 139.2MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.12ms. Allocated memory is still 179.3MB. Free memory was 139.2MB in the beginning and 138.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 268.11ms. Allocated memory is still 179.3MB. Free memory was 138.1MB in the beginning and 127.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Abstract Interpretation took 23331.99ms. Allocated memory is still 179.3MB. Free memory was 126.8MB in the beginning and 133.2MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 96]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L88] 0 assume (x == y && x == z && x == 0) && q1_front == q1_back && q2_front == q2_back && N >= 0; [L89] FORK 0 fork 1 thread1(); [L90] FORK 0 fork 2, 2 thread2(); [L91] FORK 0 fork 3, 3, 3 thread3(); [L92] JOIN 0 join 1; [L93] JOIN 0 join 2, 2; [L94] JOIN 0 join 3, 3, 3; [L95] 0 assume !((x == y && x == z) && t == N); [L96] 0 assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:31:11,333 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 14:31:11,397 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...