/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_INSENSITIVE.epf -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.fs.absint-concur-c9b613c-m [2022-09-21 14:24:25,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-21 14:24:25,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-21 14:24:25,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-21 14:24:25,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-21 14:24:25,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-21 14:24:25,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-21 14:24:25,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-21 14:24:25,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-21 14:24:25,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-21 14:24:25,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-21 14:24:25,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-21 14:24:25,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-21 14:24:25,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-21 14:24:25,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-21 14:24:25,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-21 14:24:25,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-21 14:24:25,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-21 14:24:25,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-21 14:24:25,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-21 14:24:25,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-21 14:24:25,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-21 14:24:25,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-21 14:24:25,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-21 14:24:25,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-21 14:24:25,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-21 14:24:25,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-21 14:24:25,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-21 14:24:25,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-21 14:24:25,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-21 14:24:25,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-21 14:24:25,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-21 14:24:25,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-21 14:24:25,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-21 14:24:25,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-21 14:24:25,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-21 14:24:25,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-21 14:24:25,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-21 14:24:25,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-21 14:24:25,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-21 14:24:25,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-21 14:24:25,837 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_INSENSITIVE.epf [2022-09-21 14:24:25,858 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-21 14:24:25,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-21 14:24:25,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-21 14:24:25,859 INFO L138 SettingsManager]: * Log level for plugins=info [2022-09-21 14:24:25,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-21 14:24:25,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-21 14:24:25,860 INFO L138 SettingsManager]: * User list type=DISABLED [2022-09-21 14:24:25,860 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2022-09-21 14:24:25,860 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2022-09-21 14:24:25,860 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-09-21 14:24:25,860 INFO L138 SettingsManager]: * Abstract domain=OctagonDomain [2022-09-21 14:24:25,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-21 14:24:25,861 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-21 14:24:25,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-21 14:24:25,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-21 14:24:25,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-21 14:24:25,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-21 14:24:25,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-21 14:24:25,862 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-21 14:24:25,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-21 14:24:25,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-21 14:24:25,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-21 14:24:25,862 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2022-09-21 14:24:25,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-21 14:24:25,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:24:25,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-21 14:24:25,863 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-09-21 14:24:25,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-21 14:24:25,863 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2022-09-21 14:24:25,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-21 14:24:25,863 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-21 14:24:26,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-21 14:24:26,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-21 14:24:26,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-21 14:24:26,094 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-21 14:24:26,096 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-21 14:24:26,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2022-09-21 14:24:26,097 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2022-09-21 14:24:26,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-21 14:24:26,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-09-21 14:24:26,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-21 14:24:26,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-21 14:24:26,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-21 14:24:26,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:24:26" (1/1) ... [2022-09-21 14:24:26,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:24:26" (1/1) ... [2022-09-21 14:24:26,162 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-09-21 14:24:26,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-21 14:24:26,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-21 14:24:26,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-21 14:24:26,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-21 14:24:26,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:24:26" (1/1) ... [2022-09-21 14:24:26,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:24:26" (1/1) ... [2022-09-21 14:24:26,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:24:26" (1/1) ... [2022-09-21 14:24:26,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:24:26" (1/1) ... [2022-09-21 14:24:26,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:24:26" (1/1) ... [2022-09-21 14:24:26,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:24:26" (1/1) ... [2022-09-21 14:24:26,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:24:26" (1/1) ... [2022-09-21 14:24:26,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-21 14:24:26,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-21 14:24:26,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-21 14:24:26,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-21 14:24:26,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.09 02:24:26" (1/1) ... [2022-09-21 14:24:26,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-21 14:24:26,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-21 14:24:26,225 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 14:24:26,256 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 14:24:26,271 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-09-21 14:24:26,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-21 14:24:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-21 14:24:26,271 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-09-21 14:24:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-21 14:24:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-21 14:24:26,272 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-09-21 14:24:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-21 14:24:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-21 14:24:26,273 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 14:24:26,318 INFO L234 CfgBuilder]: Building ICFG [2022-09-21 14:24:26,319 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-21 14:24:26,410 INFO L275 CfgBuilder]: Performing block encoding [2022-09-21 14:24:26,416 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-21 14:24:26,416 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-21 14:24:26,418 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:24:26 BoogieIcfgContainer [2022-09-21 14:24:26,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-21 14:24:26,419 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2022-09-21 14:24:26,419 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2022-09-21 14:24:26,419 INFO L275 PluginConnector]: Abstract Interpretation initialized [2022-09-21 14:24:26,420 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 02:24:26" (1/1) ... [2022-09-21 14:24:26,486 INFO L129 ointEngineConcurrent]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:24:26,488 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 1 [2022-09-21 14:24:26,489 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:24:26,540 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:24:26,756 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:24:26,866 INFO L155 ointEngineConcurrent]: Starting outer Fixpoint iteration number 2 [2022-09-21 14:24:26,867 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:24:26,874 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:24:26,954 INFO L115 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2022-09-21 14:24:27,028 INFO L320 AbstractInterpreter]: Some error location(s) were reachable [2022-09-21 14:24:27,038 INFO L329 AbstractInterpreter]: No benchmarks available [2022-09-21 14:24:27,038 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2022-09-21 14:24:27,042 INFO L158 Benchmark]: Toolchain (without parser) took 912.29ms. Allocated memory was 182.5MB in the beginning and 219.2MB in the end (delta: 36.7MB). Free memory was 133.9MB in the beginning and 122.0MB in the end (delta: 11.9MB). Peak memory consumption was 50.1MB. Max. memory is 8.0GB. [2022-09-21 14:24:27,043 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 182.5MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-21 14:24:27,044 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.76ms. Allocated memory is still 182.5MB. Free memory was 133.9MB in the beginning and 132.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-21 14:24:27,045 INFO L158 Benchmark]: Boogie Preprocessor took 23.57ms. Allocated memory is still 182.5MB. Free memory was 132.3MB in the beginning and 131.4MB in the end (delta: 908.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-21 14:24:27,046 INFO L158 Benchmark]: RCFGBuilder took 228.81ms. Allocated memory is still 182.5MB. Free memory was 131.3MB in the beginning and 153.4MB in the end (delta: -22.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-09-21 14:24:27,047 INFO L158 Benchmark]: Abstract Interpretation took 619.17ms. Allocated memory was 182.5MB in the beginning and 219.2MB in the end (delta: 36.7MB). Free memory was 153.3MB in the beginning and 122.0MB in the end (delta: 31.2MB). Peak memory consumption was 67.9MB. Max. memory is 8.0GB. [2022-09-21 14:24:27,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17ms. Allocated memory is still 182.5MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.76ms. Allocated memory is still 182.5MB. Free memory was 133.9MB in the beginning and 132.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.57ms. Allocated memory is still 182.5MB. Free memory was 132.3MB in the beginning and 131.4MB in the end (delta: 908.3kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 228.81ms. Allocated memory is still 182.5MB. Free memory was 131.3MB in the beginning and 153.4MB in the end (delta: -22.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Abstract Interpretation took 619.17ms. Allocated memory was 182.5MB in the beginning and 219.2MB in the end (delta: 36.7MB). Free memory was 153.3MB in the beginning and 122.0MB in the end (delta: 31.2MB). Peak memory consumption was 67.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 65]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L59] 0 assume bag1 == bag2 && bag1 == sum1 && bag1 == sum2 && bag1 == i && bag1 == j && bag1 == 0; [L60] FORK 0 fork 1 thread1(); [L61] FORK 0 fork 2, 2 thread2(); [L62] JOIN 0 join 1; [L63] JOIN 0 join 2, 2; [L64] 0 assume !(sum1 == sum2); [L65] 0 assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-09-21 14:24:27,098 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...