/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/lamport.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 00:04:29,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 00:04:29,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 00:04:29,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 00:04:29,169 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-NewStatesSleep-NoLbe-Random42.epf [2021-06-17 00:04:29,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 00:04:29,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 00:04:29,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 00:04:29,197 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 00:04:29,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 00:04:29,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 00:04:29,199 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 00:04:29,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 00:04:29,200 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 00:04:29,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 00:04:29,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 00:04:29,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 00:04:29,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 00:04:29,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 00:04:29,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 00:04:29,201 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 00:04:29,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 00:04:29,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 00:04:29,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 00:04:29,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 00:04:29,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 00:04:29,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 00:04:29,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 00:04:29,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 00:04:29,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 00:04:29,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 00:04:29,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 00:04:29,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 00:04:29,202 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 00:04:29,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 00:04:29,203 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 00:04:29,203 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 00:04:29,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 00:04:29,203 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-17 00:04:29,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 00:04:29,203 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 00:04:29,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 00:04:29,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 00:04:29,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 00:04:29,489 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-17 00:04:29,489 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-17 00:04:29,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/lamport.wvr.bpl [2021-06-17 00:04:29,490 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/lamport.wvr.bpl' [2021-06-17 00:04:29,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 00:04:29,507 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-17 00:04:29,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 00:04:29,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 00:04:29,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 00:04:29,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:04:29" (1/1) ... [2021-06-17 00:04:29,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:04:29" (1/1) ... [2021-06-17 00:04:29,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 00:04:29,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 00:04:29,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 00:04:29,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 00:04:29,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:04:29" (1/1) ... [2021-06-17 00:04:29,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:04:29" (1/1) ... [2021-06-17 00:04:29,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:04:29" (1/1) ... [2021-06-17 00:04:29,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:04:29" (1/1) ... [2021-06-17 00:04:29,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:04:29" (1/1) ... [2021-06-17 00:04:29,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:04:29" (1/1) ... [2021-06-17 00:04:29,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:04:29" (1/1) ... [2021-06-17 00:04:29,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 00:04:29,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 00:04:29,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 00:04:29,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 00:04:29,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:04:29" (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 [2021-06-17 00:04:29,597 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-17 00:04:29,597 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-17 00:04:29,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-17 00:04:29,597 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-17 00:04:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-17 00:04:29,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-17 00:04:29,598 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-17 00:04:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 00:04:29,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 00:04:29,598 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-17 00:04:29,598 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-17 00:04:29,598 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-17 00:04:29,599 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 00:04:29,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 00:04:29,802 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-17 00:04:29,803 INFO L202 PluginConnector]: Adding new model lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:04:29 BoogieIcfgContainer [2021-06-17 00:04:29,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 00:04:29,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 00:04:29,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 00:04:29,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 00:04:29,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.06 12:04:29" (1/2) ... [2021-06-17 00:04:29,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cf858a6 and model type lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:04:29, skipping insertion in model container [2021-06-17 00:04:29,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:04:29" (2/2) ... [2021-06-17 00:04:29,809 INFO L111 eAbstractionObserver]: Analyzing ICFG lamport.wvr.bpl [2021-06-17 00:04:29,813 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 00:04:29,813 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 00:04:29,813 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 00:04:29,813 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 00:04:29,862 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-17 00:04:29,877 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 00:04:29,947 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 00:04:29,947 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 00:04:29,948 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 00:04:29,948 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 00:04:29,948 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 00:04:29,949 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 00:04:29,949 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 00:04:29,949 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 00:04:30,048 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:04:30,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:04:30,055 INFO L82 PathProgramCache]: Analyzing trace with hash -196922660, now seen corresponding path program 1 times [2021-06-17 00:04:30,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:04:30,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016148875] [2021-06-17 00:04:30,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:04:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:04:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:04:30,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:04:30,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016148875] [2021-06-17 00:04:30,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016148875] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:04:30,187 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:04:30,187 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 00:04:30,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454850576] [2021-06-17 00:04:30,190 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 00:04:30,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:04:30,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 00:04:30,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 00:04:30,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:30,205 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:04:30,207 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-06-17 00:04:30,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:30,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:30,239 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 00:04:30,239 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:04:30,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:04:30,240 INFO L82 PathProgramCache]: Analyzing trace with hash -752647460, now seen corresponding path program 2 times [2021-06-17 00:04:30,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:04:30,240 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100139326] [2021-06-17 00:04:30,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:04:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:04:30,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:04:30,324 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:04:30,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100139326] [2021-06-17 00:04:30,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100139326] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:04:30,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:04:30,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-17 00:04:30,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416588161] [2021-06-17 00:04:30,326 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 00:04:30,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:04:30,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 00:04:30,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 00:04:30,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:30,327 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:04:30,327 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 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) [2021-06-17 00:04:30,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:30,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:30,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:30,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:04:30,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 00:04:30,432 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:04:30,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:04:30,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1561199226, now seen corresponding path program 3 times [2021-06-17 00:04:30,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:04:30,433 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436453825] [2021-06-17 00:04:30,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:04:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:04:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:04:30,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:04:30,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436453825] [2021-06-17 00:04:30,515 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436453825] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:04:30,515 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:04:30,515 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 00:04:30,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909265355] [2021-06-17 00:04:30,517 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 00:04:30,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:04:30,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 00:04:30,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-17 00:04:30,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:30,520 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:04:30,520 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2021-06-17 00:04:30,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:30,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:04:30,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:30,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:30,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:04:30,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:30,623 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 00:04:30,623 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:04:30,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:04:30,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1869066222, now seen corresponding path program 4 times [2021-06-17 00:04:30,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:04:30,627 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718314090] [2021-06-17 00:04:30,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:04:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:04:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:04:30,713 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:04:30,713 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718314090] [2021-06-17 00:04:30,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718314090] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:04:30,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:04:30,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-06-17 00:04:30,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750550572] [2021-06-17 00:04:30,713 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-17 00:04:30,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:04:30,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-17 00:04:30,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-17 00:04:30,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:30,714 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:04:30,714 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 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) [2021-06-17 00:04:30,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:30,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:04:30,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:30,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:30,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:04:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:30,848 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-17 00:04:30,858 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:04:30,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:04:30,858 INFO L82 PathProgramCache]: Analyzing trace with hash 58737772, now seen corresponding path program 5 times [2021-06-17 00:04:30,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:04:30,863 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945120413] [2021-06-17 00:04:30,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:04:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:04:30,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:04:30,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:04:30,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945120413] [2021-06-17 00:04:30,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945120413] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:04:30,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:04:30,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-17 00:04:30,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837697311] [2021-06-17 00:04:30,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 00:04:30,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:04:30,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 00:04:30,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 00:04:30,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:30,930 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:04:30,930 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 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) [2021-06-17 00:04:30,930 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:30,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:04:30,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:30,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:30,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:31,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:31,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:04:31,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:31,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:31,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:04:31,041 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-17 00:04:31,041 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:04:31,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:04:31,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1458363488, now seen corresponding path program 6 times [2021-06-17 00:04:31,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:04:31,042 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068922298] [2021-06-17 00:04:31,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:04:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:04:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:04:31,061 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:04:31,061 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068922298] [2021-06-17 00:04:31,061 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068922298] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:04:31,061 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:04:31,061 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-17 00:04:31,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513318696] [2021-06-17 00:04:31,062 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-17 00:04:31,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:04:31,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-17 00:04:31,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-17 00:04:31,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:31,063 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:04:31,063 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-06-17 00:04:31,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:31,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:04:31,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:31,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:31,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 00:04:31,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:31,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:31,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:04:31,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:31,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:31,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:04:31,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:31,244 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-17 00:04:31,245 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-17 00:04:31,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 00:04:31,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1681657202, now seen corresponding path program 7 times [2021-06-17 00:04:31,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 00:04:31,245 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908921245] [2021-06-17 00:04:31,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 00:04:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 00:04:31,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 00:04:31,299 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 00:04:31,299 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908921245] [2021-06-17 00:04:31,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908921245] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 00:04:31,299 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 00:04:31,299 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 00:04:31,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368471779] [2021-06-17 00:04:31,300 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 00:04:31,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 00:04:31,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 00:04:31,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-17 00:04:31,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:31,300 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 00:04:31,301 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2021-06-17 00:04:31,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:31,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:04:31,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:31,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:31,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:04:31,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:31,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 00:04:31,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:31,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:04:31,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:31,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:31,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 00:04:31,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-17 00:04:31,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-17 00:04:31,492 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-17 00:04:31,499 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 00:04:31,501 INFO L202 PluginConnector]: Adding new model lamport.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 12:04:31 BasicIcfg [2021-06-17 00:04:31,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 00:04:31,501 INFO L168 Benchmark]: Toolchain (without parser) took 1993.99 ms. Allocated memory is still 181.4 MB. Free memory was 160.4 MB in the beginning and 109.9 MB in the end (delta: 50.5 MB). Peak memory consumption was 52.6 MB. Max. memory is 8.0 GB. [2021-06-17 00:04:31,502 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 181.4 MB. Free memory is still 161.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 00:04:31,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 181.4 MB. Free memory was 160.2 MB in the beginning and 158.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 00:04:31,502 INFO L168 Benchmark]: Boogie Preprocessor took 15.12 ms. Allocated memory is still 181.4 MB. Free memory was 158.8 MB in the beginning and 157.9 MB in the end (delta: 901.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 00:04:31,502 INFO L168 Benchmark]: RCFGBuilder took 257.85 ms. Allocated memory is still 181.4 MB. Free memory was 157.7 MB in the beginning and 145.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-06-17 00:04:31,502 INFO L168 Benchmark]: TraceAbstraction took 1696.28 ms. Allocated memory is still 181.4 MB. Free memory was 144.6 MB in the beginning and 109.9 MB in the end (delta: 34.7 MB). Peak memory consumption was 36.8 MB. Max. memory is 8.0 GB. [2021-06-17 00:04:31,503 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 181.4 MB. Free memory is still 161.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.19 ms. Allocated memory is still 181.4 MB. Free memory was 160.2 MB in the beginning and 158.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.12 ms. Allocated memory is still 181.4 MB. Free memory was 158.8 MB in the beginning and 157.9 MB in the end (delta: 901.2 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 257.85 ms. Allocated memory is still 181.4 MB. Free memory was 157.7 MB in the beginning and 145.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1696.28 ms. Allocated memory is still 181.4 MB. Free memory was 144.6 MB in the beginning and 109.9 MB in the end (delta: 34.7 MB). Peak memory consumption was 36.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3862, positive: 3683, positive conditional: 3683, positive unconditional: 0, negative: 179, negative conditional: 179, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3855, positive: 3683, positive conditional: 3683, positive unconditional: 0, negative: 172, negative conditional: 172, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3855, positive: 3683, positive conditional: 0, positive unconditional: 3683, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 262, positive: 246, positive conditional: 0, positive unconditional: 246, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 262, positive: 242, positive conditional: 0, positive unconditional: 242, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 47, negative conditional: 31, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 125, negative conditional: 56, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3855, positive: 3437, positive conditional: 0, positive unconditional: 3437, negative: 156, negative conditional: 0, negative unconditional: 156, unknown: 262, unknown conditional: 0, unknown unconditional: 262] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 246, Positive conditional cache size: 0, Positive unconditional cache size: 246, Negative cache size: 47, Negative conditional cache size: 31, Negative unconditional cache size: 16, SemanticConditionEliminator.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 47, negative conditional: 31, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 125, negative conditional: 56, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 927, negative conditional: 215, negative unconditional: 712, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 246, Positive conditional cache size: 0, Positive unconditional cache size: 246, Negative cache size: 47, Negative conditional cache size: 31, Negative unconditional cache size: 16, Eliminated conditions: 712, SemanticConditionEliminator.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 47, negative conditional: 31, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 125, negative conditional: 56, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 927, negative conditional: 215, negative unconditional: 712, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 246, Positive conditional cache size: 0, Positive unconditional cache size: 246, Negative cache size: 47, Negative conditional cache size: 31, Negative unconditional cache size: 16, Eliminated conditions: 712, SemanticConditionEliminator.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 47, negative conditional: 31, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 125, negative conditional: 56, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 927, negative conditional: 215, negative unconditional: 712, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 246, Positive conditional cache size: 0, Positive unconditional cache size: 246, Negative cache size: 47, Negative conditional cache size: 31, Negative unconditional cache size: 16, Eliminated conditions: 712, SemanticConditionEliminator.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 47, negative conditional: 31, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 125, negative conditional: 56, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 927, negative conditional: 215, negative unconditional: 712, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 246, Positive conditional cache size: 0, Positive unconditional cache size: 246, Negative cache size: 47, Negative conditional cache size: 31, Negative unconditional cache size: 16, Eliminated conditions: 712, SemanticConditionEliminator.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 47, negative conditional: 31, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 125, negative conditional: 56, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 927, negative conditional: 215, negative unconditional: 712, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 246, Positive conditional cache size: 0, Positive unconditional cache size: 246, Negative cache size: 47, Negative conditional cache size: 31, Negative unconditional cache size: 16, Eliminated conditions: 712, SemanticConditionEliminator.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 47, negative conditional: 31, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 125, negative conditional: 56, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 927, negative conditional: 215, negative unconditional: 712, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 246, Positive conditional cache size: 0, Positive unconditional cache size: 246, Negative cache size: 47, Negative conditional cache size: 31, Negative unconditional cache size: 16, Eliminated conditions: 712, SemanticConditionEliminator.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 958, negative conditional: 246, negative unconditional: 712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 47, negative conditional: 31, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 129, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 125, negative conditional: 56, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 958, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 927, negative conditional: 215, negative unconditional: 712, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 246, Positive conditional cache size: 0, Positive unconditional cache size: 246, Negative cache size: 47, Negative conditional cache size: 31, Negative unconditional cache size: 16, Eliminated conditions: 712 ], Maximal queried relation: 7, Independence queries for same thread: 7 - PositiveResult [Line: 71]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 71 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1609.5ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 938.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 59, 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: 16.0ms SsaConstructionTime, 64.5ms SatisfiabilityAnalysisTime, 359.7ms InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...