/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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/time-subst.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 07:08:36,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 07:08:36,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 07:08:36,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-02 07:08:36,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-02 07:08:36,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-02 07:08:36,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-02 07:08:36,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-02 07:08:36,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-02 07:08:36,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-02 07:08:36,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-02 07:08:36,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-02 07:08:36,233 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 07:08:36,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 07:08:36,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 07:08:36,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 07:08:36,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 07:08:36,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 07:08:36,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 07:08:36,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 07:08:36,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 07:08:36,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 07:08:36,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 07:08:36,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 07:08:36,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-02 07:08:36,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 07:08:36,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 07:08:36,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 07:08:36,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 07:08:36,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 07:08:36,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 07:08:36,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 07:08:36,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 07:08:36,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 07:08:36,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 07:08:36,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 07:08:36,256 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-DelaySleepPersistent-NoLbe.epf [2021-06-02 07:08:36,270 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 07:08:36,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 07:08:36,270 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 07:08:36,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 07:08:36,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 07:08:36,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 07:08:36,271 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 07:08:36,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 07:08:36,271 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 07:08:36,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 07:08:36,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 07:08:36,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 07:08:36,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 07:08:36,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 07:08:36,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 07:08:36,272 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 07:08:36,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 07:08:36,272 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 07:08:36,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 07:08:36,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 07:08:36,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 07:08:36,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 07:08:36,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 07:08:36,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 07:08:36,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 07:08:36,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 07:08:36,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 07:08:36,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 07:08:36,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 07:08:36,273 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 07:08:36,274 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 07:08:36,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 07:08:36,274 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 07:08:36,274 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 07:08:36,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 07:08:36,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 07:08:36,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 07:08:36,534 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 07:08:36,536 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 07:08:36,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/time-subst.wvr.bpl [2021-06-02 07:08:36,537 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/time-subst.wvr.bpl' [2021-06-02 07:08:36,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 07:08:36,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 07:08:36,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 07:08:36,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 07:08:36,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 07:08:36,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:08:36" (1/1) ... [2021-06-02 07:08:36,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:08:36" (1/1) ... [2021-06-02 07:08:36,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 07:08:36,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 07:08:36,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 07:08:36,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 07:08:36,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:08:36" (1/1) ... [2021-06-02 07:08:36,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:08:36" (1/1) ... [2021-06-02 07:08:36,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:08:36" (1/1) ... [2021-06-02 07:08:36,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:08:36" (1/1) ... [2021-06-02 07:08:36,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:08:36" (1/1) ... [2021-06-02 07:08:36,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:08:36" (1/1) ... [2021-06-02 07:08:36,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:08:36" (1/1) ... [2021-06-02 07:08:36,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 07:08:36,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 07:08:36,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 07:08:36,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 07:08:36,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:08:36" (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 07:08:36,639 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-02 07:08:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-02 07:08:36,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-02 07:08:36,639 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-02 07:08:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-02 07:08:36,639 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-02 07:08:36,639 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 07:08:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 07:08:36,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 07:08:36,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-02 07:08:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-02 07:08:36,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-02 07:08:36,645 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 07:08:36,768 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 07:08:36,768 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-02 07:08:36,769 INFO L202 PluginConnector]: Adding new model time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:08:36 BoogieIcfgContainer [2021-06-02 07:08:36,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 07:08:36,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 07:08:36,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 07:08:36,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 07:08:36,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 07:08:36" (1/2) ... [2021-06-02 07:08:36,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3794652e and model type time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 07:08:36, skipping insertion in model container [2021-06-02 07:08:36,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 07:08:36" (2/2) ... [2021-06-02 07:08:36,774 INFO L111 eAbstractionObserver]: Analyzing ICFG time-subst.wvr.bpl [2021-06-02 07:08:36,777 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 07:08:36,778 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 07:08:36,778 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 07:08:36,778 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 07:08:36,814 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-02 07:08:36,831 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 07:08:36,894 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 07:08:36,894 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 07:08:36,894 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 07:08:36,894 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 07:08:36,894 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 07:08:36,894 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 07:08:36,894 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 07:08:36,895 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 07:08:37,061 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 07:08:37,062 INFO L202 PluginConnector]: Adding new model time-subst.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 07:08:37 BasicIcfg [2021-06-02 07:08:37,062 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 07:08:37,064 INFO L168 Benchmark]: Toolchain (without parser) took 507.95 ms. Allocated memory is still 335.5 MB. Free memory was 315.6 MB in the beginning and 308.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.0 GB. [2021-06-02 07:08:37,065 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 335.5 MB. Free memory was 316.8 MB in the beginning and 316.7 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:08:37,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.91 ms. Allocated memory is still 335.5 MB. Free memory was 315.6 MB in the beginning and 314.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 07:08:37,066 INFO L168 Benchmark]: Boogie Preprocessor took 10.75 ms. Allocated memory is still 335.5 MB. Free memory was 314.1 MB in the beginning and 313.3 MB in the end (delta: 852.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:08:37,067 INFO L168 Benchmark]: RCFGBuilder took 183.25 ms. Allocated memory is still 335.5 MB. Free memory was 313.2 MB in the beginning and 300.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-02 07:08:37,067 INFO L168 Benchmark]: TraceAbstraction took 291.71 ms. Allocated memory is still 335.5 MB. Free memory was 300.4 MB in the beginning and 308.1 MB in the end (delta: -7.7 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 07:08:37,072 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 0.13 ms. Allocated memory is still 335.5 MB. Free memory was 316.8 MB in the beginning and 316.7 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.91 ms. Allocated memory is still 335.5 MB. Free memory was 315.6 MB in the beginning and 314.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.75 ms. Allocated memory is still 335.5 MB. Free memory was 314.1 MB in the beginning and 313.3 MB in the end (delta: 852.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 183.25 ms. Allocated memory is still 335.5 MB. Free memory was 313.2 MB in the beginning and 300.9 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 291.71 ms. Allocated memory is still 335.5 MB. Free memory was 300.4 MB in the beginning and 308.1 MB in the end (delta: -7.7 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7, positive: 7, positive conditional: 7, 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: 7, positive: 7, positive conditional: 7, 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: 313, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 240, positive: 234, positive conditional: 0, positive unconditional: 234, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 240, positive: 226, positive conditional: 0, positive unconditional: 226, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 313, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 240, unknown conditional: 0, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 0, Positive unconditional cache size: 234, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 140, Number of persistent set computation: 6, Number of trivial persistent sets: 3, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 313, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 240, positive: 234, positive conditional: 0, positive unconditional: 234, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 240, positive: 226, positive conditional: 0, positive unconditional: 226, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 117, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 313, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 240, unknown conditional: 0, unknown unconditional: 240] , Statistics on independence cache: Total cache size (in pairs): 240, Positive cache size: 234, Positive conditional cache size: 0, Positive unconditional cache size: 234, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - PositiveResult [Line: 56]: 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 7 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 213.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.1ms, PartialOrderReductionTime: 148.7ms, 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...