/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/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 05:11:08,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 05:11:08,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 05:11:08,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-02 05:11:08,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-02 05:11:08,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-02 05:11:08,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-02 05:11:08,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-02 05:11:08,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-02 05:11:08,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-02 05:11:08,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-02 05:11:08,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-02 05:11:08,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 05:11:08,243 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 05:11:08,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 05:11:08,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 05:11:08,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 05:11:08,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 05:11:08,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 05:11:08,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 05:11:08,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 05:11:08,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 05:11:08,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 05:11:08,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 05:11:08,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-02 05:11:08,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-02 05:11:08,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-02 05:11:08,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-02 05:11:08,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-02 05:11:08,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-02 05:11:08,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 05:11:08,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 05:11:08,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 05:11:08,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 05:11:08,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 05:11:08,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 05:11:08,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 05:11:08,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2021-06-02 05:11:08,271 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 05:11:08,298 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 05:11:08,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 05:11:08,298 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 05:11:08,298 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 05:11:08,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 05:11:08,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 05:11:08,300 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 05:11:08,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 05:11:08,300 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 05:11:08,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 05:11:08,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 05:11:08,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 05:11:08,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 05:11:08,301 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 05:11:08,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 05:11:08,301 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 05:11:08,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 05:11:08,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 05:11:08,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 05:11:08,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 05:11:08,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 05:11:08,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 05:11:08,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 05:11:08,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 05:11:08,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 05:11:08,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 05:11:08,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 05:11:08,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 05:11:08,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 05:11:08,303 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 05:11:08,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 05:11:08,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 05:11:08,303 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-02 05:11:08,303 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 05:11:08,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 05:11:08,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 05:11:08,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 05:11:08,558 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 05:11:08,559 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 05:11:08,560 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl [2021-06-02 05:11:08,560 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-proofs/counter-add-4-semi-Q67.wvr.bpl' [2021-06-02 05:11:08,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 05:11:08,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 05:11:08,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 05:11:08,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 05:11:08,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 05:11:08,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:11:08" (1/1) ... [2021-06-02 05:11:08,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:11:08" (1/1) ... [2021-06-02 05:11:08,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 05:11:08,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 05:11:08,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 05:11:08,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 05:11:08,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:11:08" (1/1) ... [2021-06-02 05:11:08,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:11:08" (1/1) ... [2021-06-02 05:11:08,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:11:08" (1/1) ... [2021-06-02 05:11:08,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:11:08" (1/1) ... [2021-06-02 05:11:08,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:11:08" (1/1) ... [2021-06-02 05:11:08,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:11:08" (1/1) ... [2021-06-02 05:11:08,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:11:08" (1/1) ... [2021-06-02 05:11:08,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 05:11:08,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 05:11:08,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 05:11:08,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 05:11:08,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:11:08" (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 05:11:08,666 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-02 05:11:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-02 05:11:08,666 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-02 05:11:08,671 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-02 05:11:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-02 05:11:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-02 05:11:08,671 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 05:11:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 05:11:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 05:11:08,671 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-02 05:11:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-02 05:11:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-02 05:11:08,671 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-02 05:11:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-02 05:11:08,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-02 05:11:08,672 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 05:11:08,827 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 05:11:08,827 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-02 05:11:08,828 INFO L202 PluginConnector]: Adding new model counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:11:08 BoogieIcfgContainer [2021-06-02 05:11:08,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 05:11:08,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 05:11:08,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 05:11:08,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 05:11:08,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:11:08" (1/2) ... [2021-06-02 05:11:08,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4688df0 and model type counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 05:11:08, skipping insertion in model container [2021-06-02 05:11:08,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:11:08" (2/2) ... [2021-06-02 05:11:08,834 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-add-4-semi-Q67.wvr.bpl [2021-06-02 05:11:08,837 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 05:11:08,837 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 05:11:08,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 05:11:08,838 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 05:11:08,906 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-02 05:11:08,919 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 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 05:11:08,954 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:11:08,954 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:11:08,954 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:11:08,954 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:11:08,954 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:11:08,954 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:11:08,955 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:11:08,955 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 05:11:09,136 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 05:11:09,139 INFO L202 PluginConnector]: Adding new model counter-add-4-semi-Q67.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 05:11:09 BasicIcfg [2021-06-02 05:11:09,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 05:11:09,141 INFO L168 Benchmark]: Toolchain (without parser) took 562.24 ms. Allocated memory is still 329.3 MB. Free memory was 308.8 MB in the beginning and 295.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.0 GB. [2021-06-02 05:11:09,141 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 329.3 MB. Free memory is still 309.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:11:09,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.88 ms. Allocated memory is still 329.3 MB. Free memory was 308.7 MB in the beginning and 307.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:11:09,143 INFO L168 Benchmark]: Boogie Preprocessor took 18.28 ms. Allocated memory is still 329.3 MB. Free memory was 307.2 MB in the beginning and 306.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:11:09,143 INFO L168 Benchmark]: RCFGBuilder took 212.08 ms. Allocated memory is still 329.3 MB. Free memory was 306.1 MB in the beginning and 291.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-02 05:11:09,144 INFO L168 Benchmark]: TraceAbstraction took 309.20 ms. Allocated memory is still 329.3 MB. Free memory was 291.4 MB in the beginning and 295.0 MB in the end (delta: -3.6 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:11:09,148 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 329.3 MB. Free memory is still 309.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 18.88 ms. Allocated memory is still 329.3 MB. Free memory was 308.7 MB in the beginning and 307.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.28 ms. Allocated memory is still 329.3 MB. Free memory was 307.2 MB in the beginning and 306.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 212.08 ms. Allocated memory is still 329.3 MB. Free memory was 306.1 MB in the beginning and 291.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 309.20 ms. Allocated memory is still 329.3 MB. Free memory was 291.4 MB in the beginning and 295.0 MB in the end (delta: -3.6 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: 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: 1640, positive: 1632, positive conditional: 0, positive unconditional: 1632, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1112, positive: 1104, positive conditional: 0, positive unconditional: 1104, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1112, positive: 1093, positive conditional: 0, positive unconditional: 1093, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 87, positive conditional: 0, positive unconditional: 87, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1640, positive: 528, positive conditional: 0, positive unconditional: 528, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1112, unknown conditional: 0, unknown unconditional: 1112] , Statistics on independence cache: Total cache size (in pairs): 1112, Positive cache size: 1104, Positive conditional cache size: 0, Positive unconditional cache size: 1104, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 147, Number of persistent set computation: 12, Number of trivial persistent sets: 8, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 1640, positive: 1632, positive conditional: 0, positive unconditional: 1632, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1112, positive: 1104, positive conditional: 0, positive unconditional: 1104, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1112, positive: 1093, positive conditional: 0, positive unconditional: 1093, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 110, positive: 87, positive conditional: 0, positive unconditional: 87, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1640, positive: 528, positive conditional: 0, positive unconditional: 528, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1112, unknown conditional: 0, unknown unconditional: 1112] , Statistics on independence cache: Total cache size (in pairs): 1112, Positive cache size: 1104, Positive conditional cache size: 0, Positive unconditional cache size: 1104, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - PositiveResult [Line: 80]: 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 9 procedures, 52 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 205.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.4ms, PartialOrderReductionTime: 164.7ms, 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...