/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/multiple_fork_same_id.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 05:07:47,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 05:07:47,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 05:07:47,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 05:07:47,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 05:07:47,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 05:07:47,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 05:07:47,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 05:07:47,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 05:07:47,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 05:07:47,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 05:07:47,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 05:07:47,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 05:07:47,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 05:07:47,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 05:07:47,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 05:07:47,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-02 05:07:47,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 05:07:47,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 05:07:47,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 05:07:47,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 05:07:47,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 05:07:47,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 05:07:47,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 05:07:47,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2021-06-02 05:07:47,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-Persistent-NoLbe.epf [2021-06-02 05:07:47,491 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 05:07:47,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 05:07:47,492 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 05:07:47,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 05:07:47,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 05:07:47,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 05:07:47,494 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 05:07:47,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 05:07:47,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 05:07:47,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 05:07:47,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 05:07:47,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 05:07:47,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 05:07:47,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 05:07:47,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 05:07:47,495 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 05:07:47,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 05:07:47,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 05:07:47,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 05:07:47,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 05:07:47,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 05:07:47,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 05:07:47,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 05:07:47,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 05:07:47,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 05:07:47,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 05:07:47,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 05:07:47,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 05:07:47,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 05:07:47,497 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 05:07:47,497 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 05:07:47,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 05:07:47,497 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-02 05:07:47,497 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 05:07:47,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 05:07:47,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 05:07:47,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 05:07:47,750 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 05:07:47,750 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 05:07:47,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/multiple_fork_same_id.bpl [2021-06-02 05:07:47,751 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/multiple_fork_same_id.bpl' [2021-06-02 05:07:47,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 05:07:47,775 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 05:07:47,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 05:07:47,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 05:07:47,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 05:07:47,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:07:47" (1/1) ... [2021-06-02 05:07:47,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:07:47" (1/1) ... [2021-06-02 05:07:47,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 05:07:47,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 05:07:47,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 05:07:47,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 05:07:47,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:07:47" (1/1) ... [2021-06-02 05:07:47,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:07:47" (1/1) ... [2021-06-02 05:07:47,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:07:47" (1/1) ... [2021-06-02 05:07:47,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:07:47" (1/1) ... [2021-06-02 05:07:47,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:07:47" (1/1) ... [2021-06-02 05:07:47,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:07:47" (1/1) ... [2021-06-02 05:07:47,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:07:47" (1/1) ... [2021-06-02 05:07:47,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 05:07:47,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 05:07:47,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 05:07:47,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 05:07:47,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:07:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 05:07:47,858 INFO L124 BoogieDeclarations]: Specification and implementation of procedure increment given in one single declaration [2021-06-02 05:07:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure increment [2021-06-02 05:07:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure increment [2021-06-02 05:07:47,858 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 05:07:47,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 05:07:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 05:07:47,859 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 05:07:47,951 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 05:07:47,951 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-02 05:07:47,953 INFO L202 PluginConnector]: Adding new model multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:07:47 BoogieIcfgContainer [2021-06-02 05:07:47,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 05:07:47,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 05:07:47,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 05:07:47,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 05:07:47,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:07:47" (1/2) ... [2021-06-02 05:07:47,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29425857 and model type multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 05:07:47, skipping insertion in model container [2021-06-02 05:07:47,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:07:47" (2/2) ... [2021-06-02 05:07:47,958 INFO L111 eAbstractionObserver]: Analyzing ICFG multiple_fork_same_id.bpl [2021-06-02 05:07:47,964 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 05:07:47,965 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 05:07:47,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 05:07:47,966 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 05:07:47,989 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork2_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:47,989 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork2_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:47,991 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork2_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:47,991 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork2_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:47,992 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork1_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:47,992 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork1_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:47,992 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork1_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:47,992 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork1_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:47,993 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:47,993 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:47,993 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_n not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:47,993 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:47,995 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork0_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:48,000 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork1_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:48,003 WARN L313 ript$VariableManager]: TermVariabe incrementThread1of1ForFork2_res not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:07:48,023 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-02 05:07:48,037 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:07:48,091 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:07:48,091 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:07:48,091 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:07:48,092 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:07:48,092 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:07:48,092 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:07:48,092 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:07:48,092 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 05:07:48,212 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 05:07:48,216 INFO L202 PluginConnector]: Adding new model multiple_fork_same_id.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 05:07:48 BasicIcfg [2021-06-02 05:07:48,216 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 05:07:48,218 INFO L168 Benchmark]: Toolchain (without parser) took 441.21 ms. Allocated memory is still 352.3 MB. Free memory was 331.9 MB in the beginning and 333.3 MB in the end (delta: -1.4 MB). Peak memory consumption was 25.7 MB. Max. memory is 16.0 GB. [2021-06-02 05:07:48,218 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 352.3 MB. Free memory was 332.9 MB in the beginning and 332.7 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:07:48,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.75 ms. Allocated memory is still 352.3 MB. Free memory was 331.7 MB in the beginning and 330.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:07:48,220 INFO L168 Benchmark]: Boogie Preprocessor took 10.09 ms. Allocated memory is still 352.3 MB. Free memory was 330.4 MB in the beginning and 329.5 MB in the end (delta: 878.1 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-06-02 05:07:48,220 INFO L168 Benchmark]: RCFGBuilder took 148.80 ms. Allocated memory is still 352.3 MB. Free memory was 329.5 MB in the beginning and 321.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. [2021-06-02 05:07:48,221 INFO L168 Benchmark]: TraceAbstraction took 261.61 ms. Allocated memory is still 352.3 MB. Free memory was 320.8 MB in the beginning and 333.3 MB in the end (delta: -12.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:07:48,225 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 0.11 ms. Allocated memory is still 352.3 MB. Free memory was 332.9 MB in the beginning and 332.7 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 16.75 ms. Allocated memory is still 352.3 MB. Free memory was 331.7 MB in the beginning and 330.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.09 ms. Allocated memory is still 352.3 MB. Free memory was 330.4 MB in the beginning and 329.5 MB in the end (delta: 878.1 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 148.80 ms. Allocated memory is still 352.3 MB. Free memory was 329.5 MB in the beginning and 321.3 MB in the end (delta: 8.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 261.61 ms. Allocated memory is still 352.3 MB. Free memory was 320.8 MB in the beginning and 333.3 MB in the end (delta: -12.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 182, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 138, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 138, positive: 134, positive conditional: 0, positive unconditional: 134, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 182, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 138, unknown conditional: 0, unknown unconditional: 138] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 136, Positive conditional cache size: 0, Positive unconditional cache size: 136, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 79, Number of persistent set computation: 5, Number of trivial persistent sets: 2, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 182, positive: 180, positive conditional: 0, positive unconditional: 180, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 138, positive: 136, positive conditional: 0, positive unconditional: 136, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 138, positive: 134, positive conditional: 0, positive unconditional: 134, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 182, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 138, unknown conditional: 0, unknown unconditional: 138] , Statistics on independence cache: Total cache size (in pairs): 138, Positive cache size: 136, Positive conditional cache size: 0, Positive unconditional cache size: 136, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - PositiveResult [Line: 28]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 23 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 151.4ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.9ms, PartialOrderReductionTime: 105.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...