/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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/sum_invariant.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 19:54:40,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 19:54:40,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 19:54:40,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-14 19:54:40,171 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-06-14 19:54:40,199 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 19:54:40,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 19:54:40,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 19:54:40,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 19:54:40,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 19:54:40,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 19:54:40,202 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 19:54:40,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 19:54:40,202 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 19:54:40,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 19:54:40,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 19:54:40,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 19:54:40,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 19:54:40,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 19:54:40,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 19:54:40,203 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 19:54:40,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 19:54:40,203 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 19:54:40,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 19:54:40,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 19:54:40,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 19:54:40,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 19:54:40,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 19:54:40,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 19:54:40,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 19:54:40,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 19:54:40,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 19:54:40,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 19:54:40,205 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-14 19:54:40,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 19:54:40,205 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 19:54:40,205 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 19:54:40,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 19:54:40,205 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 19:54:40,206 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 19:54:40,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 19:54:40,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 19:54:40,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 19:54:40,509 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 19:54:40,510 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 19:54:40,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/sum_invariant.bpl [2021-06-14 19:54:40,511 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/sum_invariant.bpl' [2021-06-14 19:54:40,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 19:54:40,533 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 19:54:40,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 19:54:40,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 19:54:40,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 19:54:40,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 07:54:40" (1/1) ... [2021-06-14 19:54:40,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 07:54:40" (1/1) ... [2021-06-14 19:54:40,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 19:54:40,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 19:54:40,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 19:54:40,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 19:54:40,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 07:54:40" (1/1) ... [2021-06-14 19:54:40,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 07:54:40" (1/1) ... [2021-06-14 19:54:40,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 07:54:40" (1/1) ... [2021-06-14 19:54:40,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 07:54:40" (1/1) ... [2021-06-14 19:54:40,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 07:54:40" (1/1) ... [2021-06-14 19:54:40,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 07:54:40" (1/1) ... [2021-06-14 19:54:40,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 07:54:40" (1/1) ... [2021-06-14 19:54:40,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 19:54:40,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 19:54:40,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 19:54:40,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 19:54:40,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 07:54:40" (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 [2021-06-14 19:54:40,643 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 19:54:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 19:54:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 19:54:40,644 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-14 19:54:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-14 19:54:40,644 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-14 19:54:40,644 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 19:54:40,774 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 19:54:40,775 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 19:54:40,777 INFO L202 PluginConnector]: Adding new model sum_invariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 07:54:40 BoogieIcfgContainer [2021-06-14 19:54:40,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 19:54:40,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 19:54:40,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 19:54:40,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 19:54:40,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 07:54:40" (1/2) ... [2021-06-14 19:54:40,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@790bc3d0 and model type sum_invariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 07:54:40, skipping insertion in model container [2021-06-14 19:54:40,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum_invariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 07:54:40" (2/2) ... [2021-06-14 19:54:40,789 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_invariant.bpl [2021-06-14 19:54:40,796 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 19:54:40,796 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 19:54:40,797 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 19:54:40,798 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 19:54:40,830 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,830 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,831 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,831 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,831 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,832 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,834 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,834 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,835 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,836 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,836 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,837 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,838 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,839 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,839 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,839 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,840 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,840 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,841 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,841 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,841 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,841 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,842 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,842 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,845 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,853 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,855 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,857 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_t not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:54:40,876 INFO L149 ThreadInstanceAdder]: Constructed 16 joinOtherThreadTransitions. [2021-06-14 19:54:40,894 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 [2021-06-14 19:54:40,948 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 19:54:40,948 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 19:54:40,948 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 19:54:40,948 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 19:54:40,948 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 19:54:40,949 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 19:54:40,949 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 19:54:40,949 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 19:54:41,339 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-14 19:54:41,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 19:54:41,343 INFO L82 PathProgramCache]: Analyzing trace with hash 961413444, now seen corresponding path program 1 times [2021-06-14 19:54:41,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 19:54:41,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986312081] [2021-06-14 19:54:41,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 19:54:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 19:54:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 19:54:41,579 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 19:54:41,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986312081] [2021-06-14 19:54:41,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986312081] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 19:54:41,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 19:54:41,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-14 19:54:41,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934871022] [2021-06-14 19:54:41,584 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-14 19:54:41,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 19:54:41,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-14 19:54:41,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-14 19:54:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 19:54:41,597 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 19:54:41,598 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 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) [2021-06-14 19:54:41,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 19:54:42,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-14 19:54:42,360 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 19:54:42,371 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 19:54:42,373 INFO L202 PluginConnector]: Adding new model sum_invariant.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 07:54:42 BasicIcfg [2021-06-14 19:54:42,373 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 19:54:42,377 INFO L168 Benchmark]: Toolchain (without parser) took 1841.51 ms. Allocated memory is still 200.3 MB. Free memory was 181.0 MB in the beginning and 103.7 MB in the end (delta: 77.2 MB). Peak memory consumption was 78.7 MB. Max. memory is 8.0 GB. [2021-06-14 19:54:42,378 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 200.3 MB. Free memory is still 181.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 19:54:42,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.07 ms. Allocated memory is still 200.3 MB. Free memory was 180.9 MB in the beginning and 179.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 19:54:42,379 INFO L168 Benchmark]: Boogie Preprocessor took 10.78 ms. Allocated memory is still 200.3 MB. Free memory was 179.5 MB in the beginning and 178.5 MB in the end (delta: 928.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 19:54:42,380 INFO L168 Benchmark]: RCFGBuilder took 208.20 ms. Allocated memory is still 200.3 MB. Free memory was 178.5 MB in the beginning and 169.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-06-14 19:54:42,380 INFO L168 Benchmark]: TraceAbstraction took 1595.06 ms. Allocated memory is still 200.3 MB. Free memory was 169.1 MB in the beginning and 103.7 MB in the end (delta: 65.4 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. [2021-06-14 19:54:42,385 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 0.14 ms. Allocated memory is still 200.3 MB. Free memory is still 181.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 22.07 ms. Allocated memory is still 200.3 MB. Free memory was 180.9 MB in the beginning and 179.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.78 ms. Allocated memory is still 200.3 MB. Free memory was 179.5 MB in the beginning and 178.5 MB in the end (delta: 928.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 208.20 ms. Allocated memory is still 200.3 MB. Free memory was 178.5 MB in the beginning and 169.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1595.06 ms. Allocated memory is still 200.3 MB. Free memory was 169.1 MB in the beginning and 103.7 MB in the end (delta: 65.4 MB). Peak memory consumption was 66.1 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: 5476, positive: 5200, positive conditional: 3839, positive unconditional: 1361, negative: 276, negative conditional: 246, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5230, positive: 5200, positive conditional: 3839, positive unconditional: 1361, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5230, positive: 5200, positive conditional: 0, positive unconditional: 5200, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1008, positive: 997, positive conditional: 0, positive unconditional: 997, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1008, positive: 946, positive conditional: 0, positive unconditional: 946, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 315, positive: 277, positive conditional: 0, positive unconditional: 277, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5230, positive: 4203, positive conditional: 0, positive unconditional: 4203, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 1008, unknown conditional: 0, unknown unconditional: 1008] , Statistics on independence cache: Total cache size (in pairs): 1008, Positive cache size: 997, Positive conditional cache size: 0, Positive unconditional cache size: 997, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 315, positive: 277, positive conditional: 0, positive unconditional: 277, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1008, Positive cache size: 997, Positive conditional cache size: 0, Positive unconditional cache size: 997, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 246 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 755, Number of persistent set computation: 2972, Number of trivial persistent sets: 2972, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5476, positive: 5200, positive conditional: 3839, positive unconditional: 1361, negative: 276, negative conditional: 246, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5230, positive: 5200, positive conditional: 3839, positive unconditional: 1361, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5230, positive: 5200, positive conditional: 0, positive unconditional: 5200, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1008, positive: 997, positive conditional: 0, positive unconditional: 997, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1008, positive: 946, positive conditional: 0, positive unconditional: 946, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 315, positive: 277, positive conditional: 0, positive unconditional: 277, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5230, positive: 4203, positive conditional: 0, positive unconditional: 4203, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 1008, unknown conditional: 0, unknown unconditional: 1008] , Statistics on independence cache: Total cache size (in pairs): 1008, Positive cache size: 997, Positive conditional cache size: 0, Positive unconditional cache size: 997, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, SemanticConditionEliminator.Independence Queries: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 62, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 315, positive: 277, positive conditional: 0, positive unconditional: 277, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1008, Positive cache size: 997, Positive conditional cache size: 0, Positive unconditional cache size: 997, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, Eliminated conditions: 0 ], Maximal queried relation: 1, Independence queries for same thread: 246 - PositiveResult [Line: 45]: 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 6 procedures, 42 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1461.9ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.2ms, PartialOrderReductionTime: 1142.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, 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: 3.1ms SsaConstructionTime, 21.9ms SatisfiabilityAnalysisTime, 158.8ms InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 175 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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...