/usr/bin/java -Xmx8000000000 -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/POPL2022/incr-decr12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8b99979fc9bd30b823d307a67cb055caa4790482-8b99979 [2021-06-30 17:46:44,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-30 17:46:44,727 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-30 17:46:44,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-30 17:46:44,801 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 [2021-06-30 17:46:44,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-30 17:46:44,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-30 17:46:44,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-30 17:46:44,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-30 17:46:44,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-30 17:46:44,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-30 17:46:44,841 INFO L138 SettingsManager]: * Use SBE=true [2021-06-30 17:46:44,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-30 17:46:44,842 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-30 17:46:44,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-30 17:46:44,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-30 17:46:44,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-30 17:46:44,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-30 17:46:44,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-30 17:46:44,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-30 17:46:44,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-30 17:46:44,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-30 17:46:44,843 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-30 17:46:44,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-30 17:46:44,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-30 17:46:44,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-30 17:46:44,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-30 17:46:44,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-30 17:46:44,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 17:46:44,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-30 17:46:44,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-30 17:46:44,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-30 17:46:44,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-30 17:46:44,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-30 17:46:44,845 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-30 17:46:44,845 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-30 17:46:44,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-30 17:46:44,845 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-30 17:46:44,845 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-30 17:46:45,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-30 17:46:45,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-30 17:46:45,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-30 17:46:45,133 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-30 17:46:45,134 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-30 17:46:45,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr12.bpl [2021-06-30 17:46:45,135 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr12.bpl' [2021-06-30 17:46:45,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-30 17:46:45,168 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-30 17:46:45,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-30 17:46:45,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-30 17:46:45,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-30 17:46:45,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 05:46:45" (1/1) ... [2021-06-30 17:46:45,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 05:46:45" (1/1) ... [2021-06-30 17:46:45,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-30 17:46:45,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-30 17:46:45,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-30 17:46:45,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-30 17:46:45,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 05:46:45" (1/1) ... [2021-06-30 17:46:45,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 05:46:45" (1/1) ... [2021-06-30 17:46:45,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 05:46:45" (1/1) ... [2021-06-30 17:46:45,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 05:46:45" (1/1) ... [2021-06-30 17:46:45,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 05:46:45" (1/1) ... [2021-06-30 17:46:45,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 05:46:45" (1/1) ... [2021-06-30 17:46:45,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 05:46:45" (1/1) ... [2021-06-30 17:46:45,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-30 17:46:45,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-30 17:46:45,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-30 17:46:45,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-30 17:46:45,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 05:46:45" (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 [2021-06-30 17:46:45,301 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-30 17:46:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-30 17:46:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-30 17:46:45,302 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-30 17:46:45,302 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-30 17:46:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-30 17:46:45,302 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-30 17:46:45,447 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-30 17:46:45,447 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-30 17:46:45,449 INFO L202 PluginConnector]: Adding new model incr-decr12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 05:46:45 BoogieIcfgContainer [2021-06-30 17:46:45,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-30 17:46:45,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-30 17:46:45,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-30 17:46:45,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-30 17:46:45,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 05:46:45" (1/2) ... [2021-06-30 17:46:45,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1122d426 and model type incr-decr12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.06 05:46:45, skipping insertion in model container [2021-06-30 17:46:45,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 05:46:45" (2/2) ... [2021-06-30 17:46:45,455 INFO L111 eAbstractionObserver]: Analyzing ICFG incr-decr12.bpl [2021-06-30 17:46:45,461 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-30 17:46:45,461 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-30 17:46:45,462 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-30 17:46:45,463 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-30 17:46:45,691 INFO L149 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2021-06-30 17:46:45,708 INFO L255 AbstractCegarLoop]: Starting to check reachability of 13 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 [2021-06-30 17:46:45,761 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-30 17:46:45,761 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-30 17:46:45,761 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-30 17:46:45,761 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-30 17:46:45,762 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-30 17:46:45,762 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-30 17:46:45,762 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-30 17:46:45,762 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-30 17:46:46,711 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-30 17:46:46,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 17:46:46,715 INFO L82 PathProgramCache]: Analyzing trace with hash -152613493, now seen corresponding path program 1 times [2021-06-30 17:46:46,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 17:46:46,721 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845148715] [2021-06-30 17:46:46,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 17:46:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 17:46:47,087 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-30 17:46:47,088 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 17:46:47,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845148715] [2021-06-30 17:46:47,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845148715] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 17:46:47,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786812918] [2021-06-30 17:46:47,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-30 17:46:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 17:46:47,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-30 17:46:47,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-30 17:46:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-30 17:46:47,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786812918] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-30 17:46:47,522 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-30 17:46:47,522 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 13 [2021-06-30 17:46:47,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282067323] [2021-06-30 17:46:47,526 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-30 17:46:47,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 17:46:47,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-30 17:46:47,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2021-06-30 17:46:47,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 17:46:47,558 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 17:46:47,571 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 14 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 17:46:47,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 17:46:59,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-30 17:46:59,743 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-30 17:46:59,748 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-30 17:46:59,750 INFO L202 PluginConnector]: Adding new model incr-decr12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.06 05:46:59 BasicIcfg [2021-06-30 17:46:59,750 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-30 17:46:59,750 INFO L168 Benchmark]: Toolchain (without parser) took 14582.21 ms. Allocated memory was 191.9 MB in the beginning and 966.8 MB in the end (delta: 774.9 MB). Free memory was 171.6 MB in the beginning and 290.8 MB in the end (delta: -119.2 MB). Peak memory consumption was 698.1 MB. Max. memory is 8.0 GB. [2021-06-30 17:46:59,751 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 191.9 MB. Free memory is still 172.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-30 17:46:59,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.72 ms. Allocated memory is still 191.9 MB. Free memory was 171.5 MB in the beginning and 170.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-30 17:46:59,751 INFO L168 Benchmark]: Boogie Preprocessor took 30.18 ms. Allocated memory is still 191.9 MB. Free memory was 170.0 MB in the beginning and 168.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-30 17:46:59,752 INFO L168 Benchmark]: RCFGBuilder took 221.97 ms. Allocated memory is still 191.9 MB. Free memory was 168.9 MB in the beginning and 158.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-06-30 17:46:59,752 INFO L168 Benchmark]: TraceAbstraction took 14299.37 ms. Allocated memory was 191.9 MB in the beginning and 966.8 MB in the end (delta: 774.9 MB). Free memory was 158.3 MB in the beginning and 290.8 MB in the end (delta: -132.4 MB). Peak memory consumption was 684.5 MB. Max. memory is 8.0 GB. [2021-06-30 17:46:59,756 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 0.12 ms. Allocated memory is still 191.9 MB. Free memory is still 172.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.72 ms. Allocated memory is still 191.9 MB. Free memory was 171.5 MB in the beginning and 170.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.18 ms. Allocated memory is still 191.9 MB. Free memory was 170.0 MB in the beginning and 168.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 221.97 ms. Allocated memory is still 191.9 MB. Free memory was 168.9 MB in the beginning and 158.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14299.37 ms. Allocated memory was 191.9 MB in the beginning and 966.8 MB in the end (delta: 774.9 MB). Free memory was 158.3 MB in the beginning and 290.8 MB in the end (delta: -132.4 MB). Peak memory consumption was 684.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 364885, positive: 352747, positive conditional: 344322, positive unconditional: 8425, negative: 12138, negative conditional: 12138, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 352747, positive: 352747, positive conditional: 344322, positive unconditional: 8425, 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: 352747, positive: 352747, positive conditional: 0, positive unconditional: 352747, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3633, positive: 3633, positive conditional: 0, positive unconditional: 3633, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3633, positive: 3105, positive conditional: 0, positive unconditional: 3105, negative: 528, negative conditional: 0, negative unconditional: 528, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 528, positive: 528, positive conditional: 0, positive unconditional: 528, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 528, positive: 528, positive conditional: 0, positive unconditional: 528, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 697, positive: 697, positive conditional: 0, positive unconditional: 697, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 352747, positive: 349114, positive conditional: 0, positive unconditional: 349114, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3633, unknown conditional: 0, unknown unconditional: 3633] , Statistics on independence cache: Total cache size (in pairs): 3633, Positive cache size: 3633, Positive conditional cache size: 0, Positive unconditional cache size: 3633, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 528, positive: 528, positive conditional: 0, positive unconditional: 528, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 697, positive: 697, positive conditional: 0, positive unconditional: 697, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache 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] , Statistics on independence cache: Total cache size (in pairs): 3633, Positive cache size: 3633, Positive conditional cache size: 0, Positive unconditional cache size: 3633, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 12138 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1829, Number of persistent set computation: 12038, Number of trivial persistent sets: 98, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 364885, positive: 352747, positive conditional: 344322, positive unconditional: 8425, negative: 12138, negative conditional: 12138, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 352747, positive: 352747, positive conditional: 344322, positive unconditional: 8425, 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: 352747, positive: 352747, positive conditional: 0, positive unconditional: 352747, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3633, positive: 3633, positive conditional: 0, positive unconditional: 3633, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3633, positive: 3105, positive conditional: 0, positive unconditional: 3105, negative: 528, negative conditional: 0, negative unconditional: 528, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 528, positive: 528, positive conditional: 0, positive unconditional: 528, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 528, positive: 528, positive conditional: 0, positive unconditional: 528, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 697, positive: 697, positive conditional: 0, positive unconditional: 697, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 352747, positive: 349114, positive conditional: 0, positive unconditional: 349114, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3633, unknown conditional: 0, unknown unconditional: 3633] , Statistics on independence cache: Total cache size (in pairs): 3633, Positive cache size: 3633, Positive conditional cache size: 0, Positive unconditional cache size: 3633, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.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] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.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] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 528, positive: 528, positive conditional: 0, positive unconditional: 528, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 697, positive: 697, positive conditional: 0, positive unconditional: 697, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache 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] , Statistics on independence cache: Total cache size (in pairs): 3633, Positive cache size: 3633, Positive conditional cache size: 0, Positive unconditional cache size: 3633, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 12138 - PositiveResult [Line: 34]: 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 14 procedures, 80 locations, 13 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14019.0ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.5ms, PartialOrderReductionTime: 12904.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 15, 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: TRACE_CHECK: 23.7ms SsaConstructionTime, 85.0ms SatisfiabilityAnalysisTime, 575.0ms InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 377 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 2/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: 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...