/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/TwoActiveWorkersSirius.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:26:00,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:26:00,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:26:00,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:26:00,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:26:00,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:26:00,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:26:00,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:26:00,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:26:00,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:26:00,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:26:00,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:26:00,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:26:00,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:26:00,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:26:00,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:26:00,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:26:00,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:26:00,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:26:00,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:26:00,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:26:00,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:26:00,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:26:00,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:26:00,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:26:00,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:26:00,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:26:00,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:26:00,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:26:00,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:26:00,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:26:00,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:26:00,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:26:00,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:26:00,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:26:00,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:26:00,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:26:00,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:26:00,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:26:00,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:26:00,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:26:00,858 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 14:26:00,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:26:00,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:26:00,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:26:00,881 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:26:00,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:26:00,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:26:00,882 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:26:00,882 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:26:00,882 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:26:00,882 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:26:00,882 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:26:00,882 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:26:00,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:26:00,883 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:26:00,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:26:00,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:26:00,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:26:00,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:26:00,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:26:00,884 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:26:00,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:26:00,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:26:00,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:26:00,884 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:26:00,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:26:00,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:00,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:26:00,885 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:26:00,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:26:00,885 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:26:00,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:26:00,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:26:01,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:26:01,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:26:01,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:26:01,127 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:26:01,131 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:26:01,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/TwoActiveWorkersSirius.bpl [2022-09-21 14:26:01,133 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/TwoActiveWorkersSirius.bpl' [2022-09-21 14:26:01,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:26:01,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:26:01,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:01,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:26:01,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:26:01,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "TwoActiveWorkersSirius.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:01" (1/1) ... [2022-09-21 14:26:01,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "TwoActiveWorkersSirius.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:01" (1/1) ... [2022-09-21 14:26:01,184 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:26:01,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:01,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:26:01,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:26:01,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:26:01,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "TwoActiveWorkersSirius.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:01" (1/1) ... [2022-09-21 14:26:01,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "TwoActiveWorkersSirius.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:01" (1/1) ... [2022-09-21 14:26:01,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "TwoActiveWorkersSirius.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:01" (1/1) ... [2022-09-21 14:26:01,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "TwoActiveWorkersSirius.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:01" (1/1) ... [2022-09-21 14:26:01,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "TwoActiveWorkersSirius.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:01" (1/1) ... [2022-09-21 14:26:01,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "TwoActiveWorkersSirius.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:01" (1/1) ... [2022-09-21 14:26:01,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "TwoActiveWorkersSirius.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:01" (1/1) ... [2022-09-21 14:26:01,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:26:01,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:26:01,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:26:01,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:26:01,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "TwoActiveWorkersSirius.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:01" (1/1) ... [2022-09-21 14:26:01,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:01,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:01,229 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 14:26:01,240 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 14:26:01,261 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:26:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:26:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:26:01,262 INFO L124 BoogieDeclarations]: Specification and implementation of procedure worker given in one single declaration [2022-09-21 14:26:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2022-09-21 14:26:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2022-09-21 14:26:01,263 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 14:26:01,296 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:26:01,297 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:26:01,366 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:26:01,372 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:26:01,372 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-09-21 14:26:01,374 INFO L202 PluginConnector]: Adding new model TwoActiveWorkersSirius.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:01 BoogieIcfgContainer [2022-09-21 14:26:01,374 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:26:01,375 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:26:01,375 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:26:01,375 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:26:01,376 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "TwoActiveWorkersSirius.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:01" (1/1) ... [2022-09-21 14:26:01,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:26:01,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:01,423 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 14:26:01,425 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 14:26:01,501 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:01,502 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:26:01,503 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:01,545 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:01,549 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:26:01,549 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [i, ctr] [2022-09-21 14:26:01,549 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:26:01,549 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:26:01,549 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:01,549 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:26:01,550 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:01,550 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:26:01,550 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for worker with variables: [i, ctr] [2022-09-21 14:26:01,551 INFO L631 ngineConcurrentUtils]: Start checking 216 possible combinations. [2022-09-21 14:26:01,551 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/216 [2022-09-21 14:26:01,557 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/216 [2022-09-21 14:26:01,562 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/216 [2022-09-21 14:26:01,566 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/216 [2022-09-21 14:26:01,571 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/216 [2022-09-21 14:26:01,575 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/216 [2022-09-21 14:26:01,580 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/216 [2022-09-21 14:26:01,585 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/216 [2022-09-21 14:26:01,589 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/216 [2022-09-21 14:26:01,594 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/216 [2022-09-21 14:26:01,599 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/216 [2022-09-21 14:26:01,604 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/216 [2022-09-21 14:26:01,608 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/216 [2022-09-21 14:26:01,612 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/216 [2022-09-21 14:26:01,616 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/216 [2022-09-21 14:26:01,621 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/216 [2022-09-21 14:26:01,626 INFO L642 ngineConcurrentUtils]: Filter Iteration 17/216 [2022-09-21 14:26:01,630 INFO L642 ngineConcurrentUtils]: Filter Iteration 18/216 [2022-09-21 14:26:01,635 INFO L642 ngineConcurrentUtils]: Filter Iteration 19/216 [2022-09-21 14:26:01,639 INFO L642 ngineConcurrentUtils]: Filter Iteration 20/216 [2022-09-21 14:26:01,643 INFO L642 ngineConcurrentUtils]: Filter Iteration 21/216 [2022-09-21 14:26:01,648 INFO L642 ngineConcurrentUtils]: Filter Iteration 22/216 [2022-09-21 14:26:01,652 INFO L642 ngineConcurrentUtils]: Filter Iteration 23/216 [2022-09-21 14:26:01,656 INFO L642 ngineConcurrentUtils]: Filter Iteration 24/216 [2022-09-21 14:26:01,660 INFO L642 ngineConcurrentUtils]: Filter Iteration 25/216 [2022-09-21 14:26:01,664 INFO L642 ngineConcurrentUtils]: Filter Iteration 26/216 [2022-09-21 14:26:01,669 INFO L642 ngineConcurrentUtils]: Filter Iteration 27/216 [2022-09-21 14:26:01,673 INFO L642 ngineConcurrentUtils]: Filter Iteration 28/216 [2022-09-21 14:26:01,678 INFO L642 ngineConcurrentUtils]: Filter Iteration 29/216 [2022-09-21 14:26:01,682 INFO L642 ngineConcurrentUtils]: Filter Iteration 30/216 [2022-09-21 14:26:01,686 INFO L642 ngineConcurrentUtils]: Filter Iteration 31/216 [2022-09-21 14:26:01,690 INFO L642 ngineConcurrentUtils]: Filter Iteration 32/216 [2022-09-21 14:26:01,694 INFO L642 ngineConcurrentUtils]: Filter Iteration 33/216 [2022-09-21 14:26:01,698 INFO L642 ngineConcurrentUtils]: Filter Iteration 34/216 [2022-09-21 14:26:01,703 INFO L642 ngineConcurrentUtils]: Filter Iteration 35/216 [2022-09-21 14:26:01,707 INFO L642 ngineConcurrentUtils]: Filter Iteration 36/216 [2022-09-21 14:26:01,710 INFO L642 ngineConcurrentUtils]: Filter Iteration 37/216 [2022-09-21 14:26:01,715 INFO L642 ngineConcurrentUtils]: Filter Iteration 38/216 [2022-09-21 14:26:01,718 INFO L642 ngineConcurrentUtils]: Filter Iteration 39/216 [2022-09-21 14:26:01,723 INFO L642 ngineConcurrentUtils]: Filter Iteration 40/216 [2022-09-21 14:26:01,727 INFO L642 ngineConcurrentUtils]: Filter Iteration 41/216 [2022-09-21 14:26:01,732 INFO L642 ngineConcurrentUtils]: Filter Iteration 42/216 [2022-09-21 14:26:01,736 INFO L642 ngineConcurrentUtils]: Filter Iteration 43/216 [2022-09-21 14:26:01,740 INFO L642 ngineConcurrentUtils]: Filter Iteration 44/216 [2022-09-21 14:26:01,744 INFO L642 ngineConcurrentUtils]: Filter Iteration 45/216 [2022-09-21 14:26:01,749 INFO L642 ngineConcurrentUtils]: Filter Iteration 46/216 [2022-09-21 14:26:01,753 INFO L642 ngineConcurrentUtils]: Filter Iteration 47/216 [2022-09-21 14:26:01,758 INFO L642 ngineConcurrentUtils]: Filter Iteration 48/216 [2022-09-21 14:26:01,762 INFO L642 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ngineConcurrentUtils]: Number of combinations: 216 [2022-09-21 14:26:02,502 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:26:02,578 INFO L396 ointEngineConcurrent]: Reduced size from 216 to 8 [2022-09-21 14:26:02,578 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:02,593 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:02,598 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:02,602 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:02,606 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:02,609 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:02,613 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:02,617 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:02,621 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:26:02,630 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:26:02,630 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:26:02,633 INFO L158 Benchmark]: Toolchain (without parser) took 1477.19ms. Allocated memory is still 177.2MB. Free memory was 130.0MB in the beginning and 82.2MB in the end (delta: 47.8MB). Peak memory consumption was 50.1MB. Max. memory is 8.0GB. [2022-09-21 14:26:02,633 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 177.2MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:26:02,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.97ms. Allocated memory is still 177.2MB. Free memory was 129.9MB in the beginning and 128.4MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-21 14:26:02,635 INFO L158 Benchmark]: Boogie Preprocessor took 9.81ms. Allocated memory is still 177.2MB. Free memory was 128.4MB in the beginning and 127.5MB in the end (delta: 943.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:26:02,636 INFO L158 Benchmark]: RCFGBuilder took 177.84ms. Allocated memory is still 177.2MB. Free memory was 127.4MB in the beginning and 149.0MB in the end (delta: -21.6MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. [2022-09-21 14:26:02,637 INFO L158 Benchmark]: Abstract Interpretation took 1255.28ms. Allocated memory is still 177.2MB. Free memory was 149.0MB in the beginning and 82.2MB in the end (delta: 66.8MB). Peak memory consumption was 67.1MB. Max. memory is 8.0GB. [2022-09-21 14:26:02,641 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 177.2MB. Free memory is still 131.0MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.97ms. Allocated memory is still 177.2MB. Free memory was 129.9MB in the beginning and 128.4MB in the end (delta: 1.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 9.81ms. Allocated memory is still 177.2MB. Free memory was 128.4MB in the beginning and 127.5MB in the end (delta: 943.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 177.84ms. Allocated memory is still 177.2MB. Free memory was 127.4MB in the beginning and 149.0MB in the end (delta: -21.6MB). Peak memory consumption was 14.4MB. Max. memory is 8.0GB. * Abstract Interpretation took 1255.28ms. Allocated memory is still 177.2MB. Free memory was 149.0MB in the beginning and 82.2MB in the end (delta: 66.8MB). Peak memory consumption was 67.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 30]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L29] ctr := ctr + i; [L30] assert ctr <= 2 * i; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:26:02,681 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 14:26:02,875 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...