/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/absint/divideByZero.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:26:03,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:26:03,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:26:03,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:26:03,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:26:03,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:26:03,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:26:03,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:26:03,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:26:03,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:26:03,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:26:03,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:26:03,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:26:03,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:26:03,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:26:03,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:26:03,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:26:03,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:26:03,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:26:03,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:26:03,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:26:03,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:26:03,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:26:03,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:26:03,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:26:03,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:26:03,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:26:03,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:26:03,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:26:03,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:26:03,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:26:03,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:26:03,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:26:03,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:26:03,399 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:26:03,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:26:03,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:26:03,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:26:03,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:26:03,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:26:03,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:26:03,401 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 14:26:03,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:26:03,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:26:03,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:26:03,426 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:26:03,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:26:03,427 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:26:03,427 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:26:03,427 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:26:03,427 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:26:03,427 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:26:03,428 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:26:03,428 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:26:03,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:26:03,428 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:26:03,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:26:03,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:26:03,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:26:03,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:26:03,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:26:03,429 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:26:03,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:26:03,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:26:03,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:26:03,429 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:26:03,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:26:03,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:03,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:26:03,430 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:26:03,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:26:03,430 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:26:03,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:26:03,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:26:03,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:26:03,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:26:03,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:26:03,627 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:26:03,627 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:26:03,628 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/absint/divideByZero.bpl [2022-09-21 14:26:03,628 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/absint/divideByZero.bpl' [2022-09-21 14:26:03,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:26:03,645 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:26:03,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:03,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:26:03,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:26:03,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divideByZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divideByZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,664 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:26:03,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:03,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:26:03,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:26:03,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:26:03,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divideByZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divideByZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divideByZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divideByZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divideByZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divideByZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divideByZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:26:03,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:26:03,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:26:03,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:26:03,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divideByZero.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:03,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:03,709 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 14:26:03,715 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 14:26:03,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure division given in one single declaration [2022-09-21 14:26:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure division [2022-09-21 14:26:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure division [2022-09-21 14:26:03,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:26:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:26:03,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:26:03,754 INFO L124 BoogieDeclarations]: Specification and implementation of procedure setZero given in one single declaration [2022-09-21 14:26:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure setZero [2022-09-21 14:26:03,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setZero [2022-09-21 14:26:03,755 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 14:26:03,786 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:26:03,787 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:26:03,869 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:26:03,878 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:26:03,878 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-21 14:26:03,880 INFO L202 PluginConnector]: Adding new model divideByZero.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:03 BoogieIcfgContainer [2022-09-21 14:26:03,880 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:26:03,883 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:26:03,883 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:26:03,883 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:26:03,885 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "divideByZero.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:03" (1/1) ... [2022-09-21 14:26:03,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:26:03,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:03,942 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 14:26:03,945 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 14:26:03,971 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:03,972 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:26:03,972 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:04,010 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:04,014 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:04,015 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:26:04,015 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [x] [2022-09-21 14:26:04,016 INFO L631 ngineConcurrentUtils]: Start checking 5 possible combinations. [2022-09-21 14:26:04,016 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/5 [2022-09-21 14:26:04,264 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/5 [2022-09-21 14:26:04,530 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/5 [2022-09-21 14:26:04,807 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/5 [2022-09-21 14:26:05,099 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/5 [2022-09-21 14:26:05,347 INFO L651 ngineConcurrentUtils]: Number of combinations: 5 [2022-09-21 14:26:05,348 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:05,348 INFO L396 ointEngineConcurrent]: Reduced size from 5 to 3 [2022-09-21 14:26:05,349 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:05,372 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:05,383 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:05,397 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for division with variables: [x] [2022-09-21 14:26:05,397 INFO L631 ngineConcurrentUtils]: Start checking 10 possible combinations. [2022-09-21 14:26:05,397 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/10 [2022-09-21 14:26:05,751 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/10 [2022-09-21 14:26:06,089 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/10 [2022-09-21 14:26:06,481 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/10 [2022-09-21 14:26:06,842 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/10 [2022-09-21 14:26:07,204 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/10 [2022-09-21 14:26:07,516 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/10 [2022-09-21 14:26:07,517 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:07,517 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/10 [2022-09-21 14:26:07,518 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:07,518 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/10 [2022-09-21 14:26:07,868 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/10 [2022-09-21 14:26:07,869 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:07,869 INFO L651 ngineConcurrentUtils]: Number of combinations: 7 [2022-09-21 14:26:07,869 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:07,873 INFO L396 ointEngineConcurrent]: Reduced size from 7 to 6 [2022-09-21 14:26:07,873 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:07,878 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:07,881 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:07,893 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:07,895 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:07,909 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:07,914 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for setZero with variables: [x] [2022-09-21 14:26:07,914 INFO L631 ngineConcurrentUtils]: Start checking 4 possible combinations. [2022-09-21 14:26:07,915 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/4 [2022-09-21 14:26:08,178 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/4 [2022-09-21 14:26:08,417 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/4 [2022-09-21 14:26:08,579 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:08,579 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/4 [2022-09-21 14:26:08,808 INFO L651 ngineConcurrentUtils]: Number of combinations: 3 [2022-09-21 14:26:08,808 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,808 INFO L396 ointEngineConcurrent]: Reduced size from 3 to 2 [2022-09-21 14:26:08,808 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,812 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,814 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 3 [2022-09-21 14:26:08,814 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,814 INFO L396 ointEngineConcurrent]: Reduced size from 5 to 2 [2022-09-21 14:26:08,814 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,819 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,824 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,824 INFO L396 ointEngineConcurrent]: Reduced size from 7 to 4 [2022-09-21 14:26:08,824 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,826 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,828 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,830 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,831 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,832 INFO L396 ointEngineConcurrent]: Reduced size from 3 to 2 [2022-09-21 14:26:08,832 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,833 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,835 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 4 [2022-09-21 14:26:08,835 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,835 INFO L396 ointEngineConcurrent]: Reduced size from 5 to 2 [2022-09-21 14:26:08,835 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,839 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,843 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,844 INFO L396 ointEngineConcurrent]: Reduced size from 7 to 4 [2022-09-21 14:26:08,844 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,846 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,847 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,849 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,850 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,850 INFO L396 ointEngineConcurrent]: Reduced size from 3 to 2 [2022-09-21 14:26:08,850 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,852 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,853 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 5 [2022-09-21 14:26:08,853 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,853 INFO L396 ointEngineConcurrent]: Reduced size from 5 to 2 [2022-09-21 14:26:08,853 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,859 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,863 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,863 INFO L396 ointEngineConcurrent]: Reduced size from 7 to 4 [2022-09-21 14:26:08,863 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,865 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,866 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,868 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,869 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,869 INFO L396 ointEngineConcurrent]: Reduced size from 3 to 2 [2022-09-21 14:26:08,869 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,870 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,872 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 6 [2022-09-21 14:26:08,872 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,872 INFO L396 ointEngineConcurrent]: Reduced size from 5 to 2 [2022-09-21 14:26:08,872 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,875 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,879 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,879 INFO L396 ointEngineConcurrent]: Reduced size from 7 to 4 [2022-09-21 14:26:08,879 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,881 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,882 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,883 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,885 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:08,885 INFO L396 ointEngineConcurrent]: Reduced size from 3 to 2 [2022-09-21 14:26:08,885 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,886 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:08,890 INFO L323 AbstractInterpreter]: Error location(s) were unreachable [2022-09-21 14:26:08,892 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:26:08,892 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:26:08,893 INFO L158 Benchmark]: Toolchain (without parser) took 5247.68ms. Allocated memory is still 201.3MB. Free memory was 157.8MB in the beginning and 141.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.9MB. Max. memory is 8.0GB. [2022-09-21 14:26:08,894 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 201.3MB. Free memory is still 158.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:08,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.95ms. Allocated memory is still 201.3MB. Free memory was 157.8MB in the beginning and 156.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:08,895 INFO L158 Benchmark]: Boogie Preprocessor took 12.45ms. Allocated memory is still 201.3MB. Free memory was 156.1MB in the beginning and 155.3MB in the end (delta: 847.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:08,895 INFO L158 Benchmark]: RCFGBuilder took 200.67ms. Allocated memory is still 201.3MB. Free memory was 155.2MB in the beginning and 146.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-09-21 14:26:08,896 INFO L158 Benchmark]: Abstract Interpretation took 5009.27ms. Allocated memory is still 201.3MB. Free memory was 146.6MB in the beginning and 141.9MB in the end (delta: 4.6MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. [2022-09-21 14:26:08,898 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 0.09ms. Allocated memory is still 201.3MB. Free memory is still 158.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.95ms. Allocated memory is still 201.3MB. Free memory was 157.8MB in the beginning and 156.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.45ms. Allocated memory is still 201.3MB. Free memory was 156.1MB in the beginning and 155.3MB in the end (delta: 847.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 200.67ms. Allocated memory is still 201.3MB. Free memory was 155.2MB in the beginning and 146.7MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Abstract Interpretation took 5009.27ms. Allocated memory is still 201.3MB. Free memory was 146.6MB in the beginning and 141.9MB in the end (delta: 4.6MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-09-21 14:26:08,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-09-21 14:26:09,146 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...