/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/loop-tiling-eq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:26:30,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:26:30,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:26:30,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:26:30,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:26:30,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:26:30,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:26:30,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:26:30,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:26:30,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:26:30,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:26:30,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:26:30,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:26:30,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:26:30,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:26:30,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:26:30,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:26:30,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:26:30,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:26:30,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:26:30,170 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:26:30,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:26:30,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:26:30,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:26:30,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:26:30,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:26:30,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:26:30,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:26:30,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:26:30,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:26:30,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:26:30,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:26:30,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:26:30,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:26:30,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:26:30,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:26:30,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:26:30,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:26:30,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:26:30,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:26:30,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:26:30,190 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 14:26:30,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:26:30,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:26:30,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:26:30,221 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:26:30,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:26:30,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:26:30,222 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:26:30,222 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:26:30,222 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:26:30,222 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:26:30,223 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:26:30,223 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:26:30,224 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:26:30,224 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:26:30,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:26:30,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:26:30,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:26:30,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:26:30,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:26:30,225 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:26:30,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:26:30,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:26:30,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:26:30,225 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:26:30,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:26:30,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:30,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:26:30,226 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:26:30,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:26:30,226 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:26:30,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:26:30,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:26:30,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:26:30,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:26:30,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:26:30,447 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:26:30,451 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:26:30,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/loop-tiling-eq.wvr.bpl [2022-09-21 14:26:30,452 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/loop-tiling-eq.wvr.bpl' [2022-09-21 14:26:30,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:26:30,476 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:26:30,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:30,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:26:30,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:26:30,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "loop-tiling-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:30" (1/1) ... [2022-09-21 14:26:30,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "loop-tiling-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:30" (1/1) ... [2022-09-21 14:26:30,501 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:26:30,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:30,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:26:30,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:26:30,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:26:30,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "loop-tiling-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:30" (1/1) ... [2022-09-21 14:26:30,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "loop-tiling-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:30" (1/1) ... [2022-09-21 14:26:30,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "loop-tiling-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:30" (1/1) ... [2022-09-21 14:26:30,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "loop-tiling-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:30" (1/1) ... [2022-09-21 14:26:30,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "loop-tiling-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:30" (1/1) ... [2022-09-21 14:26:30,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "loop-tiling-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:30" (1/1) ... [2022-09-21 14:26:30,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "loop-tiling-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:30" (1/1) ... [2022-09-21 14:26:30,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:26:30,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:26:30,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:26:30,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:26:30,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "loop-tiling-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:30" (1/1) ... [2022-09-21 14:26:30,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:30,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:30,546 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 14:26:30,560 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 14:26:30,582 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-21 14:26:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-21 14:26:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-21 14:26:30,582 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-21 14:26:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-21 14:26:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-21 14:26:30,582 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:26:30,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:26:30,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:26:30,583 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 14:26:30,628 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:26:30,630 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:26:30,750 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:26:30,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:26:30,770 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-09-21 14:26:30,771 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2022-09-21 14:26:30,771 WARN L329 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2022-09-21 14:26:30,773 INFO L202 PluginConnector]: Adding new model loop-tiling-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:30 BoogieIcfgContainer [2022-09-21 14:26:30,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:26:30,774 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:26:30,774 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:26:30,774 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:26:30,794 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "loop-tiling-eq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:30" (1/1) ... [2022-09-21 14:26:30,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:26:30,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:30,899 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 14:26:30,979 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 14:26:31,000 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:31,001 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:26:31,002 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:31,078 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:31,110 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:31,153 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:26:31,154 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [a] [2022-09-21 14:26:31,155 INFO L631 ngineConcurrentUtils]: Start checking 16 possible combinations. [2022-09-21 14:26:31,155 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/16 [2022-09-21 14:26:31,297 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/16 [2022-09-21 14:26:31,352 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:31,352 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/16 [2022-09-21 14:26:31,438 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:31,438 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/16 [2022-09-21 14:26:31,510 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:31,510 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/16 [2022-09-21 14:26:31,612 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:31,612 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/16 [2022-09-21 14:26:31,678 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:31,678 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/16 [2022-09-21 14:26:31,737 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:31,738 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/16 [2022-09-21 14:26:31,809 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:31,809 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/16 [2022-09-21 14:26:31,905 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:31,906 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/16 [2022-09-21 14:26:31,979 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:31,980 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/16 [2022-09-21 14:26:32,075 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,076 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/16 [2022-09-21 14:26:32,134 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,135 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/16 [2022-09-21 14:26:32,199 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,199 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/16 [2022-09-21 14:26:32,271 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,272 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/16 [2022-09-21 14:26:32,295 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,295 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/16 [2022-09-21 14:26:32,393 INFO L651 ngineConcurrentUtils]: Number of combinations: 2 [2022-09-21 14:26:32,393 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [A, x, N, M, L, j, i, F, B] [2022-09-21 14:26:32,394 INFO L631 ngineConcurrentUtils]: Start checking 16 possible combinations. [2022-09-21 14:26:32,394 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/16 [2022-09-21 14:26:32,504 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/16 [2022-09-21 14:26:32,577 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,577 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/16 [2022-09-21 14:26:32,657 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,658 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/16 [2022-09-21 14:26:32,716 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,717 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/16 [2022-09-21 14:26:32,758 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,759 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/16 [2022-09-21 14:26:32,803 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,803 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/16 [2022-09-21 14:26:32,855 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,855 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/16 [2022-09-21 14:26:32,915 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,915 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/16 [2022-09-21 14:26:32,970 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:32,970 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/16 [2022-09-21 14:26:33,031 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:33,031 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/16 [2022-09-21 14:26:33,137 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:33,137 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/16 [2022-09-21 14:26:33,220 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:33,221 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/16 [2022-09-21 14:26:33,292 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:33,292 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/16 [2022-09-21 14:26:33,361 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:33,362 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/16 [2022-09-21 14:26:33,452 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:33,452 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/16 [2022-09-21 14:26:33,553 INFO L651 ngineConcurrentUtils]: Number of combinations: 2 [2022-09-21 14:26:33,554 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [b] [2022-09-21 14:26:33,554 INFO L631 ngineConcurrentUtils]: Start checking 16 possible combinations. [2022-09-21 14:26:33,554 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/16 [2022-09-21 14:26:33,679 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/16 [2022-09-21 14:26:33,757 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:33,757 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/16 [2022-09-21 14:26:33,824 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:33,824 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/16 [2022-09-21 14:26:33,900 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:33,900 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/16 [2022-09-21 14:26:33,991 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:33,991 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/16 [2022-09-21 14:26:34,062 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,062 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/16 [2022-09-21 14:26:34,119 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,119 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/16 [2022-09-21 14:26:34,163 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,163 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/16 [2022-09-21 14:26:34,229 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,229 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/16 [2022-09-21 14:26:34,317 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,317 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/16 [2022-09-21 14:26:34,384 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,385 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/16 [2022-09-21 14:26:34,442 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,442 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/16 [2022-09-21 14:26:34,529 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,529 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/16 [2022-09-21 14:26:34,574 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,575 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/16 [2022-09-21 14:26:34,649 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,649 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/16 [2022-09-21 14:26:34,759 INFO L651 ngineConcurrentUtils]: Number of combinations: 2 [2022-09-21 14:26:34,761 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:34,761 INFO L396 ointEngineConcurrent]: Reduced size from 2 to 2 [2022-09-21 14:26:34,761 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:34,769 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:34,777 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [a] [2022-09-21 14:26:34,778 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:26:34,778 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:26:34,778 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,778 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:34,778 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [A, x, N, M, L, j, i, F, B] [2022-09-21 14:26:34,778 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:26:34,778 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:26:34,779 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,779 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:34,779 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [b] [2022-09-21 14:26:34,779 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:26:34,779 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:26:34,779 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,779 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:34,779 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:34,779 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:34,780 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [a] [2022-09-21 14:26:34,780 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:26:34,780 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:26:34,780 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,780 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:34,780 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [A, x, N, M, L, j, i, F, B] [2022-09-21 14:26:34,780 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:26:34,780 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:26:34,780 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,780 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:34,781 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [b] [2022-09-21 14:26:34,781 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:26:34,781 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:26:34,781 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,781 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:34,781 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:34,781 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:34,788 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:26:34,799 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:26:34,800 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:26:34,802 INFO L158 Benchmark]: Toolchain (without parser) took 4324.99ms. Allocated memory was 177.2MB in the beginning and 219.2MB in the end (delta: 41.9MB). Free memory was 127.8MB in the beginning and 170.7MB in the end (delta: -42.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:34,802 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 177.2MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:34,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.26ms. Allocated memory is still 177.2MB. Free memory was 127.8MB in the beginning and 126.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:34,803 INFO L158 Benchmark]: Boogie Preprocessor took 14.43ms. Allocated memory is still 177.2MB. Free memory was 126.2MB in the beginning and 125.2MB in the end (delta: 991.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:34,804 INFO L158 Benchmark]: RCFGBuilder took 254.45ms. Allocated memory is still 177.2MB. Free memory was 125.2MB in the beginning and 145.9MB in the end (delta: -20.7MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:34,805 INFO L158 Benchmark]: Abstract Interpretation took 4025.99ms. Allocated memory was 177.2MB in the beginning and 219.2MB in the end (delta: 41.9MB). Free memory was 145.8MB in the beginning and 170.7MB in the end (delta: -24.9MB). Peak memory consumption was 17.5MB. Max. memory is 8.0GB. [2022-09-21 14:26:34,808 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 0.17ms. Allocated memory is still 177.2MB. Free memory is still 128.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.26ms. Allocated memory is still 177.2MB. Free memory was 127.8MB in the beginning and 126.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.43ms. Allocated memory is still 177.2MB. Free memory was 126.2MB in the beginning and 125.2MB in the end (delta: 991.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 254.45ms. Allocated memory is still 177.2MB. Free memory was 125.2MB in the beginning and 145.9MB in the end (delta: -20.7MB). Peak memory consumption was 14.0MB. Max. memory is 8.0GB. * Abstract Interpretation took 4025.99ms. Allocated memory was 177.2MB in the beginning and 219.2MB in the end (delta: 41.9MB). Free memory was 145.8MB in the beginning and 170.7MB in the end (delta: -24.9MB). Peak memory consumption was 17.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 67]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L62] FORK 0 fork 1 thread1(); [L63] FORK 0 fork 2, 2 thread2(); [L64] JOIN 0 join 1; [L65] JOIN 0 join 2, 2; [L66] 0 assume !(0 <= a ==> a < N ==> 0 <= b ==> b < M ==> L == N * M ==> A[a * M + b] == B[a][b]); [L67] 0 assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:26:34,884 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 14:26:35,032 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...