/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/single_assertion_test.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 05:06:42,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 05:06:42,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 05:06:42,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 05:06:42,620 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 05:06:42,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 05:06:42,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 05:06:42,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 05:06:42,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 05:06:42,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 05:06:42,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 05:06:42,645 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 05:06:42,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 05:06:42,645 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 05:06:42,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 05:06:42,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 05:06:42,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 05:06:42,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 05:06:42,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 05:06:42,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 05:06:42,646 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 05:06:42,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 05:06:42,646 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 05:06:42,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 05:06:42,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 05:06:42,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 05:06:42,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 05:06:42,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 05:06:42,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 05:06:42,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 05:06:42,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 05:06:42,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 05:06:42,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 05:06:42,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 05:06:42,647 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 05:06:42,647 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 05:06:42,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 05:06:42,647 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-06-02 05:06:42,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 05:06:42,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 05:06:42,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 05:06:42,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 05:06:42,912 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 05:06:42,913 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 05:06:42,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/single_assertion_test.bpl [2021-06-02 05:06:42,924 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/single_assertion_test.bpl' [2021-06-02 05:06:42,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 05:06:42,947 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 05:06:42,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 05:06:42,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 05:06:42,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 05:06:42,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:06:42" (1/1) ... [2021-06-02 05:06:42,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:06:42" (1/1) ... [2021-06-02 05:06:42,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 05:06:42,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 05:06:42,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 05:06:42,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 05:06:42,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:06:42" (1/1) ... [2021-06-02 05:06:42,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:06:42" (1/1) ... [2021-06-02 05:06:42,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:06:42" (1/1) ... [2021-06-02 05:06:42,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:06:42" (1/1) ... [2021-06-02 05:06:42,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:06:42" (1/1) ... [2021-06-02 05:06:42,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:06:42" (1/1) ... [2021-06-02 05:06:42,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:06:42" (1/1) ... [2021-06-02 05:06:42,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 05:06:42,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 05:06:42,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 05:06:42,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 05:06:42,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:06:42" (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 05:06:43,043 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 05:06:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 05:06:43,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 05:06:43,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread given in one single declaration [2021-06-02 05:06:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2021-06-02 05:06:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2021-06-02 05:06:43,044 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 05:06:43,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 05:06:43,161 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-02 05:06:43,164 INFO L202 PluginConnector]: Adding new model single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:06:43 BoogieIcfgContainer [2021-06-02 05:06:43,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 05:06:43,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 05:06:43,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 05:06:43,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 05:06:43,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 05:06:42" (1/2) ... [2021-06-02 05:06:43,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43010b65 and model type single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 05:06:43, skipping insertion in model container [2021-06-02 05:06:43,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 05:06:43" (2/2) ... [2021-06-02 05:06:43,171 INFO L111 eAbstractionObserver]: Analyzing ICFG single_assertion_test.bpl [2021-06-02 05:06:43,177 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 05:06:43,177 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 05:06:43,178 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-02 05:06:43,179 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 05:06:43,200 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:06:43,201 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:06:43,202 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:06:43,202 WARN L313 ript$VariableManager]: TermVariabe threadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:06:43,214 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-02 05:06:43,229 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 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 05:06:43,303 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:06:43,304 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:06:43,304 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:06:43,304 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:06:43,304 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:06:43,304 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:06:43,304 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:06:43,304 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == threadThread1of1ForFork0======== [2021-06-02 05:06:43,443 INFO L430 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 05:06:43,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:06:43,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1418328663, now seen corresponding path program 1 times [2021-06-02 05:06:43,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:06:43,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361965447] [2021-06-02 05:06:43,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:06:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:06:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:06:43,585 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:06:43,585 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361965447] [2021-06-02 05:06:43,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361965447] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:06:43,586 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323750116] [2021-06-02 05:06:43,586 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 [2021-06-02 05:06:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:06:43,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-02 05:06:43,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 05:06:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:06:43,658 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323750116] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:06:43,658 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 05:06:43,659 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-02 05:06:43,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892835751] [2021-06-02 05:06:43,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 05:06:43,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:06:43,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 05:06:43,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 05:06:43,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:06:43,672 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:06:43,673 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-06-02 05:06:43,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:06:43,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:06:43,926 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-02 05:06:43,930 INFO L301 ceAbstractionStarter]: Result for error location threadThread1of1ForFork0 was SAFE (1/3) [2021-06-02 05:06:43,931 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:06:43,939 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:06:43,939 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:06:43,939 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:06:43,939 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:06:43,939 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:06:43,939 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:06:43,939 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:06:43,939 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 05:06:43,973 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 05:06:43,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:06:43,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1018515555, now seen corresponding path program 1 times [2021-06-02 05:06:43,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:06:43,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16822764] [2021-06-02 05:06:43,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:06:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:06:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:06:43,999 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:06:43,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16822764] [2021-06-02 05:06:43,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16822764] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:06:43,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435539998] [2021-06-02 05:06:43,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:06:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:06:44,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-02 05:06:44,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 05:06:44,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:06:44,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435539998] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:06:44,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 05:06:44,089 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-02 05:06:44,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850781213] [2021-06-02 05:06:44,089 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 05:06:44,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:06:44,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 05:06:44,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 05:06:44,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:06:44,090 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:06:44,090 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2021-06-02 05:06:44,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:06:44,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:06:44,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:06:44,337 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 05:06:44,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:06:44,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1509210165, now seen corresponding path program 1 times [2021-06-02 05:06:44,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:06:44,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518173610] [2021-06-02 05:06:44,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:06:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-02 05:06:44,342 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-02 05:06:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-02 05:06:44,345 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-02 05:06:44,352 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-02 05:06:44,352 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-02 05:06:44,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 05:06:44,354 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/3) [2021-06-02 05:06:44,354 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-02 05:06:44,354 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-02 05:06:44,357 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:06:44,357 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:06:44,357 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:06:44,358 WARN L313 ript$VariableManager]: TermVariabe threadThread1of2ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:06:44,358 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:06:44,358 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:06:44,358 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:06:44,358 WARN L313 ript$VariableManager]: TermVariabe threadThread2of2ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 05:06:44,362 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-02 05:06:44,363 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:06:44,376 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:06:44,376 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:06:44,376 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:06:44,376 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:06:44,376 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:06:44,376 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:06:44,377 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:06:44,377 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == threadThread1of2ForFork0======== [2021-06-02 05:06:44,453 INFO L430 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 05:06:44,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:06:44,453 INFO L82 PathProgramCache]: Analyzing trace with hash -366534867, now seen corresponding path program 1 times [2021-06-02 05:06:44,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:06:44,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671152390] [2021-06-02 05:06:44,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:06:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:06:44,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:06:44,485 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:06:44,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671152390] [2021-06-02 05:06:44,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671152390] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:06:44,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035175987] [2021-06-02 05:06:44,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:06:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:06:44,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-02 05:06:44,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 05:06:44,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:06:44,576 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035175987] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:06:44,576 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 05:06:44,576 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-06-02 05:06:44,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254453613] [2021-06-02 05:06:44,576 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 05:06:44,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:06:44,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 05:06:44,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 05:06:44,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:06:44,577 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:06:44,577 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2021-06-02 05:06:44,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:06:44,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:06:44,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:06:44,886 INFO L301 ceAbstractionStarter]: Result for error location threadThread1of2ForFork0 was SAFE (1/4) [2021-06-02 05:06:44,886 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:06:44,891 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:06:44,891 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:06:44,891 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:06:44,891 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:06:44,891 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:06:44,891 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:06:44,891 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:06:44,891 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 05:06:44,916 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 05:06:44,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:06:44,917 INFO L82 PathProgramCache]: Analyzing trace with hash 332693454, now seen corresponding path program 1 times [2021-06-02 05:06:44,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:06:44,917 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881257468] [2021-06-02 05:06:44,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:06:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:06:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:06:44,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:06:44,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881257468] [2021-06-02 05:06:44,939 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881257468] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:06:44,939 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:06:44,939 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-02 05:06:44,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935993501] [2021-06-02 05:06:44,939 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-02 05:06:44,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:06:44,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-02 05:06:44,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-02 05:06:44,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:06:44,940 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:06:44,940 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2021-06-02 05:06:44,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:06:44,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:06:44,961 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-02 05:06:44,962 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/4) [2021-06-02 05:06:44,962 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:06:44,976 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:06:44,977 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:06:44,977 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:06:44,977 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:06:44,977 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:06:44,977 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:06:44,977 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:06:44,977 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread======== [2021-06-02 05:06:45,057 INFO L301 ceAbstractionStarter]: Result for error location thread was SAFE (3/4) [2021-06-02 05:06:45,058 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 05:06:45,062 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 05:06:45,062 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 05:06:45,063 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 05:06:45,063 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 05:06:45,063 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 05:06:45,063 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 05:06:45,063 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 05:06:45,063 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == threadThread2of2ForFork0======== [2021-06-02 05:06:45,105 INFO L430 AbstractCegarLoop]: === Iteration 1 === [threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 05:06:45,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:06:45,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1928930605, now seen corresponding path program 1 times [2021-06-02 05:06:45,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:06:45,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664617650] [2021-06-02 05:06:45,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:06:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:06:45,136 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:06:45,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:06:45,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664617650] [2021-06-02 05:06:45,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664617650] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 05:06:45,137 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 05:06:45,137 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-02 05:06:45,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005249683] [2021-06-02 05:06:45,138 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-02 05:06:45,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:06:45,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-02 05:06:45,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-02 05:06:45,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:06:45,139 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:06:45,139 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2021-06-02 05:06:45,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:06:45,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:06:45,166 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-02 05:06:45,166 INFO L430 AbstractCegarLoop]: === Iteration 2 === [threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 05:06:45,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:06:45,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1928929644, now seen corresponding path program 1 times [2021-06-02 05:06:45,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:06:45,167 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344406835] [2021-06-02 05:06:45,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:06:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:06:45,207 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:06:45,207 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 05:06:45,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344406835] [2021-06-02 05:06:45,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344406835] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:06:45,207 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228731262] [2021-06-02 05:06:45,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:06:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 05:06:45,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-02 05:06:45,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 05:06:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 05:06:45,269 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228731262] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 05:06:45,269 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 05:06:45,269 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-02 05:06:45,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647511789] [2021-06-02 05:06:45,270 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 05:06:45,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 05:06:45,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 05:06:45,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 05:06:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:06:45,271 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 05:06:45,271 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2021-06-02 05:06:45,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:06:45,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 05:06:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:06:45,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 05:06:45,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 05:06:45,508 INFO L430 AbstractCegarLoop]: === Iteration 3 === [threadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 05:06:45,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 05:06:45,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1033753491, now seen corresponding path program 1 times [2021-06-02 05:06:45,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 05:06:45,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076157513] [2021-06-02 05:06:45,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 05:06:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-02 05:06:45,513 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-02 05:06:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-02 05:06:45,516 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-02 05:06:45,517 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-02 05:06:45,517 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-02 05:06:45,517 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-02 05:06:45,518 INFO L301 ceAbstractionStarter]: Result for error location threadThread2of2ForFork0 was UNSAFE (4/4) [2021-06-02 05:06:45,519 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2021-06-02 05:06:45,526 INFO L202 PluginConnector]: Adding new model single_assertion_test.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 05:06:45 BasicIcfg [2021-06-02 05:06:45,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 05:06:45,526 INFO L168 Benchmark]: Toolchain (without parser) took 2579.82 ms. Allocated memory is still 358.6 MB. Free memory was 338.0 MB in the beginning and 251.9 MB in the end (delta: 86.0 MB). Peak memory consumption was 88.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:06:45,527 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 358.6 MB. Free memory was 339.0 MB in the beginning and 338.9 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 05:06:45,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.77 ms. Allocated memory is still 358.6 MB. Free memory was 337.9 MB in the beginning and 336.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:06:45,527 INFO L168 Benchmark]: Boogie Preprocessor took 9.81 ms. Allocated memory is still 358.6 MB. Free memory was 336.4 MB in the beginning and 335.5 MB in the end (delta: 962.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 05:06:45,527 INFO L168 Benchmark]: RCFGBuilder took 187.19 ms. Allocated memory is still 358.6 MB. Free memory was 335.5 MB in the beginning and 326.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-06-02 05:06:45,527 INFO L168 Benchmark]: TraceAbstraction took 2359.80 ms. Allocated memory is still 358.6 MB. Free memory was 325.8 MB in the beginning and 251.9 MB in the end (delta: 73.9 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.0 GB. [2021-06-02 05:06:45,528 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 0.10 ms. Allocated memory is still 358.6 MB. Free memory was 339.0 MB in the beginning and 338.9 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 18.77 ms. Allocated memory is still 358.6 MB. Free memory was 337.9 MB in the beginning and 336.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 9.81 ms. Allocated memory is still 358.6 MB. Free memory was 336.4 MB in the beginning and 335.5 MB in the end (delta: 962.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 187.19 ms. Allocated memory is still 358.6 MB. Free memory was 335.5 MB in the beginning and 326.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2359.80 ms. Allocated memory is still 358.6 MB. Free memory was 325.8 MB in the beginning and 251.9 MB in the end (delta: 73.9 MB). Peak memory consumption was 75.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 223, positive: 211, positive conditional: 0, positive unconditional: 211, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 116, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 116, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 223, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 116, unknown conditional: 0, unknown unconditional: 116] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 111, Positive conditional cache size: 0, Positive unconditional cache size: 111, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, 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: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 57, negative conditional: 0, negative unconditional: 57, 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): 116, Positive cache size: 111, Positive conditional cache size: 0, Positive unconditional cache size: 111, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 111, Number of persistent set computation: 73, Number of trivial persistent sets: 71, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 223, positive: 211, positive conditional: 0, positive unconditional: 211, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 116, positive: 111, positive conditional: 0, positive unconditional: 111, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 116, positive: 109, positive conditional: 0, positive unconditional: 109, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 57, negative conditional: 0, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 223, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 116, unknown conditional: 0, unknown unconditional: 116] , Statistics on independence cache: Total cache size (in pairs): 116, Positive cache size: 111, Positive conditional cache size: 0, Positive unconditional cache size: 111, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - 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: 157, positive: 147, positive conditional: 0, positive unconditional: 147, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 110, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 110, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 157, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 110, unknown conditional: 0, unknown unconditional: 110] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, 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: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 25, negative conditional: 0, negative unconditional: 25, 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): 110, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 35, Number of persistent set computation: 33, Number of trivial persistent sets: 31, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 157, positive: 147, positive conditional: 0, positive unconditional: 147, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 110, positive: 105, positive conditional: 0, positive unconditional: 105, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 110, positive: 103, positive conditional: 0, positive unconditional: 103, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 29, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 157, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 110, unknown conditional: 0, unknown unconditional: 110] , Statistics on independence cache: Total cache size (in pairs): 110, Positive cache size: 105, Positive conditional cache size: 0, Positive unconditional cache size: 105, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5 - 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: 699, positive: 671, positive conditional: 0, positive unconditional: 671, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 372, positive: 361, positive conditional: 0, positive unconditional: 361, 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: 372, positive: 355, positive conditional: 0, positive unconditional: 355, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 17, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 699, positive: 310, positive conditional: 0, positive unconditional: 310, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 372, unknown conditional: 0, unknown unconditional: 372] , Statistics on independence cache: Total cache size (in pairs): 372, Positive cache size: 361, Positive conditional cache size: 0, Positive unconditional cache size: 361, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, 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: 17, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 51, negative conditional: 0, negative unconditional: 51, 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): 372, Positive cache size: 361, Positive conditional cache size: 0, Positive unconditional cache size: 361, 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: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 127, Number of persistent set computation: 242, Number of trivial persistent sets: 218, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 699, positive: 671, positive conditional: 0, positive unconditional: 671, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 372, positive: 361, positive conditional: 0, positive unconditional: 361, 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: 372, positive: 355, positive conditional: 0, positive unconditional: 355, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 17, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 699, positive: 310, positive conditional: 0, positive unconditional: 310, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 372, unknown conditional: 0, unknown unconditional: 372] , Statistics on independence cache: Total cache size (in pairs): 372, Positive cache size: 361, Positive conditional cache size: 0, Positive unconditional cache size: 361, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - 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: 476, positive: 453, positive conditional: 0, positive unconditional: 453, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 283, positive: 274, positive conditional: 0, positive unconditional: 274, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 283, positive: 268, positive conditional: 0, positive unconditional: 268, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 476, positive: 179, positive conditional: 0, positive unconditional: 179, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 283, unknown conditional: 0, unknown unconditional: 283] , Statistics on independence cache: Total cache size (in pairs): 283, Positive cache size: 274, Positive conditional cache size: 0, Positive unconditional cache size: 274, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 17, negative conditional: 0, negative unconditional: 17, 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): 283, Positive cache size: 274, Positive conditional cache size: 0, Positive unconditional cache size: 274, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 29, Number of persistent set computation: 82, Number of trivial persistent sets: 66, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 476, positive: 453, positive conditional: 0, positive unconditional: 453, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 283, positive: 274, positive conditional: 0, positive unconditional: 274, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 283, positive: 268, positive conditional: 0, positive unconditional: 268, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 476, positive: 179, positive conditional: 0, positive unconditional: 179, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 283, unknown conditional: 0, unknown unconditional: 283] , Statistics on independence cache: Total cache size (in pairs): 283, Positive cache size: 274, Positive conditional cache size: 0, Positive unconditional cache size: 274, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - 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: 664, positive: 636, positive conditional: 0, positive unconditional: 636, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 352, positive: 341, positive conditional: 0, positive unconditional: 341, 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: 352, positive: 335, positive conditional: 0, positive unconditional: 335, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 17, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 664, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 352, unknown conditional: 0, unknown unconditional: 352] , Statistics on independence cache: Total cache size (in pairs): 352, Positive cache size: 341, Positive conditional cache size: 0, Positive unconditional cache size: 341, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 66, Number of persistent set computation: 193, Number of trivial persistent sets: 168, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 664, positive: 636, positive conditional: 0, positive unconditional: 636, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 352, positive: 341, positive conditional: 0, positive unconditional: 341, 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: 352, positive: 335, positive conditional: 0, positive unconditional: 335, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 17, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 664, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 352, unknown conditional: 0, unknown unconditional: 352] , Statistics on independence cache: Total cache size (in pairs): 352, Positive cache size: 341, Positive conditional cache size: 0, Positive unconditional cache size: 341, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - 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: 405, positive: 385, positive conditional: 0, positive unconditional: 385, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 277, positive: 268, positive conditional: 0, positive unconditional: 268, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 277, positive: 262, positive conditional: 0, positive unconditional: 262, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 405, positive: 117, positive conditional: 0, positive unconditional: 117, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 277, unknown conditional: 0, unknown unconditional: 277] , Statistics on independence cache: Total cache size (in pairs): 277, Positive cache size: 268, Positive conditional cache size: 0, Positive unconditional cache size: 268, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, 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: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 20, negative conditional: 0, negative unconditional: 20, 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): 277, Positive cache size: 268, Positive conditional cache size: 0, Positive unconditional cache size: 268, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Eliminated conditions: 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: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 20, negative conditional: 0, negative unconditional: 20, 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): 277, Positive cache size: 268, Positive conditional cache size: 0, Positive unconditional cache size: 268, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 49, Number of persistent set computation: 73, Number of trivial persistent sets: 71, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 405, positive: 385, positive conditional: 0, positive unconditional: 385, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 277, positive: 268, positive conditional: 0, positive unconditional: 268, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 277, positive: 262, positive conditional: 0, positive unconditional: 262, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 405, positive: 117, positive conditional: 0, positive unconditional: 117, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 277, unknown conditional: 0, unknown unconditional: 277] , Statistics on independence cache: Total cache size (in pairs): 277, Positive cache size: 268, Positive conditional cache size: 0, Positive unconditional cache size: 268, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - CounterExampleResult [Line: 41]: assertion can be violated assertion can be violated We found a FailurePath: [L19] 0 x := 0; VAL [x=0] [L21] 0 i := 0; VAL [i=0, x=0] [L22] COND TRUE 0 i < 2 VAL [i=0, x=0] [L24] FORK 0 fork i thread(i); VAL [i=0, i=0, x=0] [L25] 0 i := i + 1; VAL [i=1, i=0, x=0] [L22] COND TRUE 0 i < 2 VAL [i=0, i=1, x=0] [L38] 1 x := x + 1; VAL [i=1, i=0, x=1] [L41] 1 assert i == 0; VAL [i=0, i=1, x=1] [L24] FORK 0 fork i thread(i); VAL [i=1, i=1, x=1] [L25] 0 i := i + 1; VAL [i=2, i=1, x=1] [L22] COND FALSE 0 !(i < 2) VAL [i=2, i=1, x=1] [L38] 2 x := x + 1; VAL [i=1, i=2, x=2] [L41] 2 assert i == 0; VAL [i=1, i=2, x=2] - PositiveResult [Line: 32]: 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: threadThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 22 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 676.3ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 22.5ms, PartialOrderReductionTime: 163.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, 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: 5.1ms SsaConstructionTime, 22.8ms SatisfiabilityAnalysisTime, 122.7ms InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 1 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 0/2 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: threadThread1of1ForFork0 with 2 thread instances CFG has 4 procedures, 27 locations, 5 error locations. Started 0 CEGAR loops. No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 22 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 421.9ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.6ms, PartialOrderReductionTime: 79.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, 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: 1.9ms SsaConstructionTime, 8.0ms SatisfiabilityAnalysisTime, 88.3ms InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 SizeOfPredicates, 2 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 2/4 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 2 thread instances CFG has 4 procedures, 27 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 74.9ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.5ms, PartialOrderReductionTime: 45.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, 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: 0.3ms SsaConstructionTime, 3.5ms SatisfiabilityAnalysisTime, 15.7ms InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 7/7 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: threadThread1of2ForFork0 with 1 thread instances CFG has 4 procedures, 27 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 522.4ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 177.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 5, 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: 1.4ms SsaConstructionTime, 5.4ms SatisfiabilityAnalysisTime, 97.5ms InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 1 NumberOfNonLiveVariables, 17 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 0/2 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread with 1 thread instances CFG has 4 procedures, 27 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 94.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.4ms, PartialOrderReductionTime: 77.1ms, 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: threadThread2of2ForFork0 with 1 thread instances CFG has 4 procedures, 27 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 459.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.4ms, PartialOrderReductionTime: 87.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 10, 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: 3.8ms SsaConstructionTime, 27.6ms SatisfiabilityAnalysisTime, 81.2ms InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 2 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 13/15 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...