/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/spaghetti.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:26:32,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:26:32,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:26:32,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:26:32,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:26:32,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:26:32,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:26:32,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:26:32,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:26:32,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:26:32,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:26:32,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:26:32,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:26:32,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:26:32,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:26:32,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:26:32,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:26:32,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:26:32,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:26:32,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:26:32,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:26:32,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:26:32,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:26:32,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:26:32,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:26:32,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:26:32,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:26:32,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:26:32,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:26:32,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:26:32,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:26:32,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:26:32,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:26:32,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:26:32,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:26:32,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:26:32,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:26:32,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:26:32,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:26:32,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:26:32,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:26:32,818 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 14:26:32,847 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:26:32,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:26:32,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:26:32,848 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:26:32,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:26:32,849 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:26:32,849 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:26:32,849 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:26:32,849 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:26:32,849 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:26:32,850 INFO L138 SettingsManager]: * Computation of Interferences for Sequential Abstract Interpretation of each procedure=FLOW_SENSITIVE_FILTERED [2022-09-21 14:26:32,850 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:26:32,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:26:32,851 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:26:32,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:26:32,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:26:32,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:26:32,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:26:32,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:26:32,852 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:26:32,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:26:32,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:26:32,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:26:32,852 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:26:32,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:26:32,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:32,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:26:32,853 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:26:32,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:26:32,853 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:26:32,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:26:32,854 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:26:33,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:26:33,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:26:33,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:26:33,095 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:26:33,096 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:26:33,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/spaghetti.wvr.bpl [2022-09-21 14:26:33,097 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/spaghetti.wvr.bpl' [2022-09-21 14:26:33,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:26:33,123 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:26:33,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:33,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:26:33,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:26:33,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:33" (1/1) ... [2022-09-21 14:26:33,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:33" (1/1) ... [2022-09-21 14:26:33,149 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:26:33,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:26:33,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:26:33,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:26:33,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:26:33,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:33" (1/1) ... [2022-09-21 14:26:33,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:33" (1/1) ... [2022-09-21 14:26:33,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:33" (1/1) ... [2022-09-21 14:26:33,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:33" (1/1) ... [2022-09-21 14:26:33,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:33" (1/1) ... [2022-09-21 14:26:33,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:33" (1/1) ... [2022-09-21 14:26:33,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:33" (1/1) ... [2022-09-21 14:26:33,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:26:33,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:26:33,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:26:33,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:26:33,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:26:33" (1/1) ... [2022-09-21 14:26:33,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:26:33,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:33,201 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 14:26:33,223 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 14:26:33,237 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-21 14:26:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-21 14:26:33,237 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-21 14:26:33,238 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-21 14:26:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-21 14:26:33,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-21 14:26:33,238 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:26:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:26:33,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:26:33,238 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-09-21 14:26:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-21 14:26:33,238 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-21 14:26:33,239 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-09-21 14:26:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-09-21 14:26:33,239 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-09-21 14:26:33,239 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 14:26:33,274 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:26:33,276 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:26:33,366 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:26:33,371 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:26:33,371 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-09-21 14:26:33,373 INFO L202 PluginConnector]: Adding new model spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:33 BoogieIcfgContainer [2022-09-21 14:26:33,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:26:33,374 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:26:33,374 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:26:33,374 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:26:33,375 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "spaghetti.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:26:33" (1/1) ... [2022-09-21 14:26:33,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-09-21 14:26:33,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:26:33,431 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 14:26:33,435 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 14:26:33,478 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:33,479 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:26:33,480 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:33,498 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:33,504 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:33,509 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:33,511 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:26:33,514 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:26:33,514 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [x_1] [2022-09-21 14:26:33,515 INFO L631 ngineConcurrentUtils]: Start checking 64 possible combinations. [2022-09-21 14:26:33,515 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/64 [2022-09-21 14:26:34,226 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/64 [2022-09-21 14:26:34,457 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,457 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/64 [2022-09-21 14:26:34,808 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:34,809 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/64 [2022-09-21 14:26:35,545 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/64 [2022-09-21 14:26:35,850 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:35,851 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/64 [2022-09-21 14:26:36,080 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:36,081 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/64 [2022-09-21 14:26:36,749 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/64 [2022-09-21 14:26:37,526 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/64 [2022-09-21 14:26:37,821 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:37,822 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/64 [2022-09-21 14:26:38,167 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/64 [2022-09-21 14:26:38,509 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/64 [2022-09-21 14:26:38,818 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/64 [2022-09-21 14:26:39,192 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/64 [2022-09-21 14:26:39,527 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/64 [2022-09-21 14:26:39,850 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/64 [2022-09-21 14:26:40,158 INFO L642 ngineConcurrentUtils]: Filter Iteration 17/64 [2022-09-21 14:26:40,931 INFO L642 ngineConcurrentUtils]: Filter Iteration 18/64 [2022-09-21 14:26:41,245 INFO L642 ngineConcurrentUtils]: Filter Iteration 19/64 [2022-09-21 14:26:41,579 INFO L642 ngineConcurrentUtils]: Filter Iteration 20/64 [2022-09-21 14:26:41,915 INFO L642 ngineConcurrentUtils]: Filter Iteration 21/64 [2022-09-21 14:26:42,229 INFO L642 ngineConcurrentUtils]: Filter Iteration 22/64 [2022-09-21 14:26:42,536 INFO L642 ngineConcurrentUtils]: Filter Iteration 23/64 [2022-09-21 14:26:42,836 INFO L642 ngineConcurrentUtils]: Filter Iteration 24/64 [2022-09-21 14:26:43,178 INFO L642 ngineConcurrentUtils]: Filter Iteration 25/64 [2022-09-21 14:26:44,031 INFO L642 ngineConcurrentUtils]: Filter Iteration 26/64 [2022-09-21 14:26:44,363 INFO L642 ngineConcurrentUtils]: Filter Iteration 27/64 [2022-09-21 14:26:44,701 INFO L642 ngineConcurrentUtils]: Filter Iteration 28/64 [2022-09-21 14:26:45,041 INFO L642 ngineConcurrentUtils]: Filter Iteration 29/64 [2022-09-21 14:26:45,386 INFO L642 ngineConcurrentUtils]: Filter Iteration 30/64 [2022-09-21 14:26:45,727 INFO L642 ngineConcurrentUtils]: Filter Iteration 31/64 [2022-09-21 14:26:46,041 INFO L642 ngineConcurrentUtils]: Filter Iteration 32/64 [2022-09-21 14:26:46,415 INFO L642 ngineConcurrentUtils]: Filter Iteration 33/64 [2022-09-21 14:26:46,780 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:46,780 INFO L642 ngineConcurrentUtils]: Filter Iteration 34/64 [2022-09-21 14:26:47,110 INFO L642 ngineConcurrentUtils]: Filter Iteration 35/64 [2022-09-21 14:26:47,452 INFO L642 ngineConcurrentUtils]: Filter Iteration 36/64 [2022-09-21 14:26:47,762 INFO L642 ngineConcurrentUtils]: Filter Iteration 37/64 [2022-09-21 14:26:48,100 INFO L642 ngineConcurrentUtils]: Filter Iteration 38/64 [2022-09-21 14:26:48,442 INFO L642 ngineConcurrentUtils]: Filter Iteration 39/64 [2022-09-21 14:26:48,784 INFO L642 ngineConcurrentUtils]: Filter Iteration 40/64 [2022-09-21 14:26:49,127 INFO L642 ngineConcurrentUtils]: Filter Iteration 41/64 [2022-09-21 14:26:49,242 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:49,242 INFO L642 ngineConcurrentUtils]: Filter Iteration 42/64 [2022-09-21 14:26:49,557 INFO L642 ngineConcurrentUtils]: Filter Iteration 43/64 [2022-09-21 14:26:49,857 INFO L642 ngineConcurrentUtils]: Filter Iteration 44/64 [2022-09-21 14:26:50,209 INFO L642 ngineConcurrentUtils]: Filter Iteration 45/64 [2022-09-21 14:26:50,524 INFO L642 ngineConcurrentUtils]: Filter Iteration 46/64 [2022-09-21 14:26:50,871 INFO L642 ngineConcurrentUtils]: Filter Iteration 47/64 [2022-09-21 14:26:51,231 INFO L642 ngineConcurrentUtils]: Filter Iteration 48/64 [2022-09-21 14:26:51,562 INFO L642 ngineConcurrentUtils]: Filter Iteration 49/64 [2022-09-21 14:26:52,290 INFO L642 ngineConcurrentUtils]: Filter Iteration 50/64 [2022-09-21 14:26:52,622 INFO L642 ngineConcurrentUtils]: Filter Iteration 51/64 [2022-09-21 14:26:52,979 INFO L642 ngineConcurrentUtils]: Filter Iteration 52/64 [2022-09-21 14:26:53,469 INFO L642 ngineConcurrentUtils]: Filter Iteration 53/64 [2022-09-21 14:26:53,783 INFO L642 ngineConcurrentUtils]: Filter Iteration 54/64 [2022-09-21 14:26:54,098 INFO L642 ngineConcurrentUtils]: Filter Iteration 55/64 [2022-09-21 14:26:54,405 INFO L642 ngineConcurrentUtils]: Filter Iteration 56/64 [2022-09-21 14:26:54,725 INFO L642 ngineConcurrentUtils]: Filter Iteration 57/64 [2022-09-21 14:26:55,176 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:55,176 INFO L642 ngineConcurrentUtils]: Filter Iteration 58/64 [2022-09-21 14:26:55,506 INFO L642 ngineConcurrentUtils]: Filter Iteration 59/64 [2022-09-21 14:26:55,859 INFO L642 ngineConcurrentUtils]: Filter Iteration 60/64 [2022-09-21 14:26:56,184 INFO L642 ngineConcurrentUtils]: Filter Iteration 61/64 [2022-09-21 14:26:56,544 INFO L642 ngineConcurrentUtils]: Filter Iteration 62/64 [2022-09-21 14:26:56,931 INFO L642 ngineConcurrentUtils]: Filter Iteration 63/64 [2022-09-21 14:26:57,280 INFO L642 ngineConcurrentUtils]: Filter Iteration 64/64 [2022-09-21 14:26:57,590 INFO L651 ngineConcurrentUtils]: Number of combinations: 56 [2022-09-21 14:26:57,591 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for ULTIMATE.start with variables: [x_0] [2022-09-21 14:26:57,591 INFO L631 ngineConcurrentUtils]: Start checking 64 possible combinations. [2022-09-21 14:26:57,591 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/64 [2022-09-21 14:26:58,310 INFO L642 ngineConcurrentUtils]: Filter Iteration 2/64 [2022-09-21 14:26:58,742 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:58,742 INFO L642 ngineConcurrentUtils]: Filter Iteration 3/64 [2022-09-21 14:26:59,271 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:26:59,271 INFO L642 ngineConcurrentUtils]: Filter Iteration 4/64 [2022-09-21 14:27:00,063 INFO L642 ngineConcurrentUtils]: Filter Iteration 5/64 [2022-09-21 14:27:00,526 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:00,526 INFO L642 ngineConcurrentUtils]: Filter Iteration 6/64 [2022-09-21 14:27:01,063 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:01,064 INFO L642 ngineConcurrentUtils]: Filter Iteration 7/64 [2022-09-21 14:27:01,857 INFO L642 ngineConcurrentUtils]: Filter Iteration 8/64 [2022-09-21 14:27:02,619 INFO L642 ngineConcurrentUtils]: Filter Iteration 9/64 [2022-09-21 14:27:02,713 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:02,713 INFO L642 ngineConcurrentUtils]: Filter Iteration 10/64 [2022-09-21 14:27:03,029 INFO L642 ngineConcurrentUtils]: Filter Iteration 11/64 [2022-09-21 14:27:03,343 INFO L642 ngineConcurrentUtils]: Filter Iteration 12/64 [2022-09-21 14:27:03,682 INFO L642 ngineConcurrentUtils]: Filter Iteration 13/64 [2022-09-21 14:27:03,998 INFO L642 ngineConcurrentUtils]: Filter Iteration 14/64 [2022-09-21 14:27:04,353 INFO L642 ngineConcurrentUtils]: Filter Iteration 15/64 [2022-09-21 14:27:04,672 INFO L642 ngineConcurrentUtils]: Filter Iteration 16/64 [2022-09-21 14:27:04,990 INFO L642 ngineConcurrentUtils]: Filter Iteration 17/64 [2022-09-21 14:27:05,763 INFO L642 ngineConcurrentUtils]: Filter Iteration 18/64 [2022-09-21 14:27:06,126 INFO L642 ngineConcurrentUtils]: Filter Iteration 19/64 [2022-09-21 14:27:06,448 INFO L642 ngineConcurrentUtils]: Filter Iteration 20/64 [2022-09-21 14:27:06,804 INFO L642 ngineConcurrentUtils]: Filter Iteration 21/64 [2022-09-21 14:27:07,168 INFO L642 ngineConcurrentUtils]: Filter Iteration 22/64 [2022-09-21 14:27:07,523 INFO L642 ngineConcurrentUtils]: Filter Iteration 23/64 [2022-09-21 14:27:07,865 INFO L642 ngineConcurrentUtils]: Filter Iteration 24/64 [2022-09-21 14:27:08,184 INFO L642 ngineConcurrentUtils]: Filter Iteration 25/64 [2022-09-21 14:27:08,914 INFO L642 ngineConcurrentUtils]: Filter Iteration 26/64 [2022-09-21 14:27:09,266 INFO L642 ngineConcurrentUtils]: Filter Iteration 27/64 [2022-09-21 14:27:09,583 INFO L642 ngineConcurrentUtils]: Filter Iteration 28/64 [2022-09-21 14:27:09,895 INFO L642 ngineConcurrentUtils]: Filter Iteration 29/64 [2022-09-21 14:27:10,260 INFO L642 ngineConcurrentUtils]: Filter Iteration 30/64 [2022-09-21 14:27:10,589 INFO L642 ngineConcurrentUtils]: Filter Iteration 31/64 [2022-09-21 14:27:10,931 INFO L642 ngineConcurrentUtils]: Filter Iteration 32/64 [2022-09-21 14:27:11,306 INFO L642 ngineConcurrentUtils]: Filter Iteration 33/64 [2022-09-21 14:27:11,467 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:11,467 INFO L642 ngineConcurrentUtils]: Filter Iteration 34/64 [2022-09-21 14:27:11,811 INFO L642 ngineConcurrentUtils]: Filter Iteration 35/64 [2022-09-21 14:27:12,154 INFO L642 ngineConcurrentUtils]: Filter Iteration 36/64 [2022-09-21 14:27:12,523 INFO L642 ngineConcurrentUtils]: Filter Iteration 37/64 [2022-09-21 14:27:12,847 INFO L642 ngineConcurrentUtils]: Filter Iteration 38/64 [2022-09-21 14:27:13,173 INFO L642 ngineConcurrentUtils]: Filter Iteration 39/64 [2022-09-21 14:27:13,545 INFO L642 ngineConcurrentUtils]: Filter Iteration 40/64 [2022-09-21 14:27:13,910 INFO L642 ngineConcurrentUtils]: Filter Iteration 41/64 [2022-09-21 14:27:14,318 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:14,318 INFO L642 ngineConcurrentUtils]: Filter Iteration 42/64 [2022-09-21 14:27:14,686 INFO L642 ngineConcurrentUtils]: Filter Iteration 43/64 [2022-09-21 14:27:15,031 INFO L642 ngineConcurrentUtils]: Filter Iteration 44/64 [2022-09-21 14:27:15,341 INFO L642 ngineConcurrentUtils]: Filter Iteration 45/64 [2022-09-21 14:27:15,699 INFO L642 ngineConcurrentUtils]: Filter Iteration 46/64 [2022-09-21 14:27:16,051 INFO L642 ngineConcurrentUtils]: Filter Iteration 47/64 [2022-09-21 14:27:16,396 INFO L642 ngineConcurrentUtils]: Filter Iteration 48/64 [2022-09-21 14:27:16,729 INFO L642 ngineConcurrentUtils]: Filter Iteration 49/64 [2022-09-21 14:27:17,507 INFO L642 ngineConcurrentUtils]: Filter Iteration 50/64 [2022-09-21 14:27:17,880 INFO L642 ngineConcurrentUtils]: Filter Iteration 51/64 [2022-09-21 14:27:18,223 INFO L642 ngineConcurrentUtils]: Filter Iteration 52/64 [2022-09-21 14:27:18,584 INFO L642 ngineConcurrentUtils]: Filter Iteration 53/64 [2022-09-21 14:27:18,948 INFO L642 ngineConcurrentUtils]: Filter Iteration 54/64 [2022-09-21 14:27:19,243 INFO L642 ngineConcurrentUtils]: Filter Iteration 55/64 [2022-09-21 14:27:19,572 INFO L642 ngineConcurrentUtils]: Filter Iteration 56/64 [2022-09-21 14:27:19,923 INFO L642 ngineConcurrentUtils]: Filter Iteration 57/64 [2022-09-21 14:27:20,560 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:20,561 INFO L642 ngineConcurrentUtils]: Filter Iteration 58/64 [2022-09-21 14:27:20,923 INFO L642 ngineConcurrentUtils]: Filter Iteration 59/64 [2022-09-21 14:27:21,467 INFO L642 ngineConcurrentUtils]: Filter Iteration 60/64 [2022-09-21 14:27:21,800 INFO L642 ngineConcurrentUtils]: Filter Iteration 61/64 [2022-09-21 14:27:22,145 INFO L642 ngineConcurrentUtils]: Filter Iteration 62/64 [2022-09-21 14:27:22,497 INFO L642 ngineConcurrentUtils]: Filter Iteration 63/64 [2022-09-21 14:27:22,853 INFO L642 ngineConcurrentUtils]: Filter Iteration 64/64 [2022-09-21 14:27:23,211 INFO L651 ngineConcurrentUtils]: Number of combinations: 56 [2022-09-21 14:27:23,222 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:27:23,226 INFO L396 ointEngineConcurrent]: Reduced size from 56 to 1 [2022-09-21 14:27:23,226 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:27:23,243 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [x_1] [2022-09-21 14:27:23,244 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:27:23,244 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:27:23,244 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:23,244 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:27:23,244 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread1 with variables: [x_0] [2022-09-21 14:27:23,244 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:27:23,244 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:27:23,244 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:23,244 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:27:23,245 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:27:23,245 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:27:23,245 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread4 with variables: [x_1] [2022-09-21 14:27:23,245 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:27:23,245 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:27:23,245 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:23,245 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:27:23,245 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread4 with variables: [x_0] [2022-09-21 14:27:23,245 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:27:23,245 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:27:23,245 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:23,245 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:27:23,246 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:27:23,246 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:27:23,246 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread3 with variables: [x_1] [2022-09-21 14:27:23,246 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:27:23,246 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:27:23,246 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:23,246 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:27:23,246 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread3 with variables: [x_0] [2022-09-21 14:27:23,247 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:27:23,247 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:27:23,247 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:23,247 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:27:23,253 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:27:23,253 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:27:23,253 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [x_1] [2022-09-21 14:27:23,253 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:27:23,254 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:27:23,254 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:23,254 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:27:23,254 INFO L596 ngineConcurrentUtils]: Cross Product Computation started for thread2 with variables: [x_0] [2022-09-21 14:27:23,254 INFO L631 ngineConcurrentUtils]: Start checking 1 possible combinations. [2022-09-21 14:27:23,254 INFO L642 ngineConcurrentUtils]: Filter Iteration 1/1 [2022-09-21 14:27:23,254 INFO L646 ngineConcurrentUtils]: contradiction [2022-09-21 14:27:23,254 INFO L651 ngineConcurrentUtils]: Number of combinations: 0 [2022-09-21 14:27:23,254 INFO L379 ointEngineConcurrent]: Reducing to supersets [2022-09-21 14:27:23,254 INFO L396 ointEngineConcurrent]: Reduced size from 0 to 0 [2022-09-21 14:27:23,257 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:27:23,266 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:27:23,267 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:27:23,269 INFO L158 Benchmark]: Toolchain (without parser) took 50144.64ms. Allocated memory is still 194.0MB. Free memory was 146.1MB in the beginning and 138.3MB in the end (delta: 7.7MB). Peak memory consumption was 8.5MB. Max. memory is 8.0GB. [2022-09-21 14:27:23,269 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 194.0MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:27:23,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.27ms. Allocated memory is still 194.0MB. Free memory was 146.0MB in the beginning and 144.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:27:23,270 INFO L158 Benchmark]: Boogie Preprocessor took 13.51ms. Allocated memory is still 194.0MB. Free memory was 144.5MB in the beginning and 143.5MB in the end (delta: 992.0kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-21 14:27:23,271 INFO L158 Benchmark]: RCFGBuilder took 205.80ms. Allocated memory is still 194.0MB. Free memory was 143.5MB in the beginning and 163.9MB in the end (delta: -20.4MB). Peak memory consumption was 15.8MB. Max. memory is 8.0GB. [2022-09-21 14:27:23,272 INFO L158 Benchmark]: Abstract Interpretation took 49893.02ms. Allocated memory is still 194.0MB. Free memory was 163.9MB in the beginning and 138.3MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-09-21 14:27:23,275 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 0.11ms. Allocated memory is still 194.0MB. Free memory is still 147.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.27ms. Allocated memory is still 194.0MB. Free memory was 146.0MB in the beginning and 144.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 13.51ms. Allocated memory is still 194.0MB. Free memory was 144.5MB in the beginning and 143.5MB in the end (delta: 992.0kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 205.80ms. Allocated memory is still 194.0MB. Free memory was 143.5MB in the beginning and 163.9MB in the end (delta: -20.4MB). Peak memory consumption was 15.8MB. Max. memory is 8.0GB. * Abstract Interpretation took 49893.02ms. Allocated memory is still 194.0MB. Free memory was 163.9MB in the beginning and 138.3MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 66]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L57] FORK 0 fork 1 thread1(); [L58] FORK 0 fork 2, 2 thread2(); [L59] FORK 0 fork 3, 3, 3 thread3(); [L60] FORK 0 fork 4, 4, 4, 4 thread4(); [L61] JOIN 0 join 1; [L62] JOIN 0 join 2, 2; [L63] JOIN 0 join 3, 3, 3; [L64] JOIN 0 join 4, 4, 4, 4; [L65] 0 assume !(x_0 == x_1); [L66] 0 assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:27:23,488 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forcibly destroying the process [2022-09-21 14:27:23,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 137 [2022-09-21 14:27:23,538 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...