/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-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 05:57:38,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 05:57:38,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 05:57:38,207 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 05:57:38,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 05:57:38,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 05:57:38,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 05:57:38,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 05:57:38,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 05:57:38,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 05:57:38,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 05:57:38,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 05:57:38,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 05:57:38,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 05:57:38,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 05:57:38,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 05:57:38,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 05:57:38,237 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-NewStatesSleepPersistent-NoLbe.epf [2021-07-10 05:57:38,265 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 05:57:38,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 05:57:38,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 05:57:38,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 05:57:38,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 05:57:38,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 05:57:38,268 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 05:57:38,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 05:57:38,269 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 05:57:38,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 05:57:38,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 05:57:38,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 05:57:38,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 05:57:38,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 05:57:38,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 05:57:38,270 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 05:57:38,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 05:57:38,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 05:57:38,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 05:57:38,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 05:57:38,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 05:57:38,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 05:57:38,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 05:57:38,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 05:57:38,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 05:57:38,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 05:57:38,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 05:57:38,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 05:57:38,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 05:57:38,271 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 05:57:38,271 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 05:57:38,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 05:57:38,272 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 05:57:38,272 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 05:57:38,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 05:57:38,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 05:57:38,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 05:57:38,519 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 05:57:38,521 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 05:57:38,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl [2021-07-10 05:57:38,522 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-4.wvr.bpl' [2021-07-10 05:57:38,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 05:57:38,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 05:57:38,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 05:57:38,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 05:57:38,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 05:57:38,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:57:38" (1/1) ... [2021-07-10 05:57:38,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:57:38" (1/1) ... [2021-07-10 05:57:38,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 05:57:38,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 05:57:38,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 05:57:38,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 05:57:38,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:57:38" (1/1) ... [2021-07-10 05:57:38,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:57:38" (1/1) ... [2021-07-10 05:57:38,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:57:38" (1/1) ... [2021-07-10 05:57:38,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:57:38" (1/1) ... [2021-07-10 05:57:38,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:57:38" (1/1) ... [2021-07-10 05:57:38,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:57:38" (1/1) ... [2021-07-10 05:57:38,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:57:38" (1/1) ... [2021-07-10 05:57:38,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 05:57:38,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 05:57:38,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 05:57:38,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 05:57:38,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:57:38" (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 [2021-07-10 05:57:38,625 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 05:57:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 05:57:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 05:57:38,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 05:57:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 05:57:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 05:57:38,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 05:57:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 05:57:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 05:57:38,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 05:57:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 05:57:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 05:57:38,627 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 05:57:38,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 05:57:38,737 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 05:57:38,738 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:57:38 BoogieIcfgContainer [2021-07-10 05:57:38,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 05:57:38,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 05:57:38,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 05:57:38,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 05:57:38,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 05:57:38" (1/2) ... [2021-07-10 05:57:38,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7da23c and model type misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 05:57:38, skipping insertion in model container [2021-07-10 05:57:38,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:57:38" (2/2) ... [2021-07-10 05:57:38,748 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-4.wvr.bpl [2021-07-10 05:57:38,752 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 05:57:38,752 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 05:57:38,752 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 05:57:38,752 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 05:57:38,783 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 05:57:38,798 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 [2021-07-10 05:57:38,848 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 05:57:38,848 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 05:57:38,848 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 05:57:38,849 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 05:57:38,849 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 05:57:38,849 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 05:57:38,849 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 05:57:38,849 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 05:57:39,053 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:57:39,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:57:39,057 INFO L82 PathProgramCache]: Analyzing trace with hash -634894818, now seen corresponding path program 1 times [2021-07-10 05:57:39,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:57:39,062 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636457128] [2021-07-10 05:57:39,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:57:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:57:39,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 05:57:39,165 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:57:39,165 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636457128] [2021-07-10 05:57:39,166 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636457128] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:57:39,166 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:57:39,166 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 05:57:39,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888920355] [2021-07-10 05:57:39,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 05:57:39,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:57:39,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 05:57:39,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 05:57:39,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:39,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:57:39,186 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 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) [2021-07-10 05:57:39,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:39,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,253 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 05:57:39,253 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:57:39,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:57:39,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1509355466, now seen corresponding path program 2 times [2021-07-10 05:57:39,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:57:39,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495008222] [2021-07-10 05:57:39,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:57:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:57:39,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:57:39,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:57:39,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495008222] [2021-07-10 05:57:39,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495008222] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:57:39,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49289967] [2021-07-10 05:57:39,295 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 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 [2021-07-10 05:57:39,334 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:57:39,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:57:39,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-10 05:57:39,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:57:39,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:57:39,429 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49289967] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:57:39,429 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:57:39,430 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-07-10 05:57:39,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593398175] [2021-07-10 05:57:39,431 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 05:57:39,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:57:39,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 05:57:39,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 05:57:39,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:39,433 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:57:39,433 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-07-10 05:57:39,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:57:39,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:57:39,773 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:57:39,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:57:39,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1886277382, now seen corresponding path program 1 times [2021-07-10 05:57:39,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:57:39,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768627457] [2021-07-10 05:57:39,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:57:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:57:39,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 05:57:39,806 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:57:39,806 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768627457] [2021-07-10 05:57:39,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768627457] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:57:39,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:57:39,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 05:57:39,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405230384] [2021-07-10 05:57:39,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 05:57:39,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:57:39,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 05:57:39,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 05:57:39,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:39,807 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:57:39,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-07-10 05:57:39,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:57:39,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:57:39,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,822 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 05:57:39,823 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:57:39,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:57:39,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1474491938, now seen corresponding path program 2 times [2021-07-10 05:57:39,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:57:39,823 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299586498] [2021-07-10 05:57:39,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:57:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:57:39,857 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 05:57:39,858 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:57:39,858 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299586498] [2021-07-10 05:57:39,858 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299586498] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:57:39,858 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:57:39,858 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 05:57:39,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459005985] [2021-07-10 05:57:39,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 05:57:39,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:57:39,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 05:57:39,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 05:57:39,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:39,863 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:57:39,863 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-07-10 05:57:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:57:39,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:39,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:57:39,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:57:39,903 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 05:57:39,903 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:57:39,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:57:39,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1553888450, now seen corresponding path program 1 times [2021-07-10 05:57:39,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:57:39,904 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613443002] [2021-07-10 05:57:39,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:57:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:57:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-07-10 05:57:39,934 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:57:39,934 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613443002] [2021-07-10 05:57:39,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613443002] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:57:39,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:57:39,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 05:57:39,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506444175] [2021-07-10 05:57:39,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 05:57:39,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:57:39,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 05:57:39,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 05:57:39,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:39,935 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:57:39,935 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 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) [2021-07-10 05:57:39,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:57:39,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:57:39,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:39,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:57:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:57:39,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:39,944 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-10 05:57:39,944 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:57:39,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:57:39,944 INFO L82 PathProgramCache]: Analyzing trace with hash -2018615070, now seen corresponding path program 2 times [2021-07-10 05:57:39,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:57:39,945 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360088826] [2021-07-10 05:57:39,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:57:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:57:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 05:57:39,981 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:57:39,981 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360088826] [2021-07-10 05:57:39,981 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360088826] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:57:39,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307715817] [2021-07-10 05:57:39,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:57:40,018 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 05:57:40,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:57:40,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 05:57:40,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:57:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-10 05:57:40,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307715817] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:57:40,094 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:57:40,094 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-07-10 05:57:40,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059015109] [2021-07-10 05:57:40,095 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 05:57:40,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:57:40,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 05:57:40,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-07-10 05:57:40,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:40,095 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:57:40,095 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-07-10 05:57:40,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:40,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:57:40,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:40,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:57:40,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:40,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:40,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:40,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:57:40,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:40,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:57:40,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:40,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:57:40,431 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:57:40,432 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 05:57:40,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:57:40,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1344463474, now seen corresponding path program 3 times [2021-07-10 05:57:40,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:57:40,432 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444488869] [2021-07-10 05:57:40,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:57:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:57:40,452 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-07-10 05:57:40,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:57:40,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444488869] [2021-07-10 05:57:40,453 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444488869] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:57:40,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30250221] [2021-07-10 05:57:40,453 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 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 [2021-07-10 05:57:40,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-10 05:57:40,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 05:57:40,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 05:57:40,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 05:57:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-07-10 05:57:40,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30250221] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 05:57:40,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 05:57:40,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 05:57:40,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668817848] [2021-07-10 05:57:40,552 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 05:57:40,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:57:40,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 05:57:40,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 05:57:40,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:40,552 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:57:40,553 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-07-10 05:57:40,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:40,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:57:40,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:40,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:57:40,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:40,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:57:40,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:57:40,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:40,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 05:57:40,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:40,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:57:40,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 05:57:40,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 05:57:40,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 05:57:40,799 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 05:57:40,821 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 05:57:40,823 INFO L202 PluginConnector]: Adding new model misc-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 05:57:40 BasicIcfg [2021-07-10 05:57:40,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 05:57:40,824 INFO L168 Benchmark]: Toolchain (without parser) took 2278.80 ms. Allocated memory was 187.7 MB in the beginning and 225.4 MB in the end (delta: 37.7 MB). Free memory was 167.1 MB in the beginning and 203.8 MB in the end (delta: -36.7 MB). Peak memory consumption was 37.2 MB. Max. memory is 8.0 GB. [2021-07-10 05:57:40,824 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 187.7 MB. Free memory is still 168.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 05:57:40,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.95 ms. Allocated memory is still 187.7 MB. Free memory was 167.0 MB in the beginning and 165.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 05:57:40,824 INFO L168 Benchmark]: Boogie Preprocessor took 11.01 ms. Allocated memory is still 187.7 MB. Free memory was 165.6 MB in the beginning and 164.7 MB in the end (delta: 924.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 05:57:40,824 INFO L168 Benchmark]: RCFGBuilder took 161.68 ms. Allocated memory is still 187.7 MB. Free memory was 164.6 MB in the beginning and 153.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-07-10 05:57:40,824 INFO L168 Benchmark]: TraceAbstraction took 2078.83 ms. Allocated memory was 187.7 MB in the beginning and 225.4 MB in the end (delta: 37.7 MB). Free memory was 153.3 MB in the beginning and 203.8 MB in the end (delta: -50.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 8.0 GB. [2021-07-10 05:57:40,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 187.7 MB. Free memory is still 168.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 17.95 ms. Allocated memory is still 187.7 MB. Free memory was 167.0 MB in the beginning and 165.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 11.01 ms. Allocated memory is still 187.7 MB. Free memory was 165.6 MB in the beginning and 164.7 MB in the end (delta: 924.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 161.68 ms. Allocated memory is still 187.7 MB. Free memory was 164.6 MB in the beginning and 153.7 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2078.83 ms. Allocated memory was 187.7 MB in the beginning and 225.4 MB in the end (delta: 37.7 MB). Free memory was 153.3 MB in the beginning and 203.8 MB in the end (delta: -50.5 MB). Peak memory consumption was 23.6 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: 3325, positive: 2858, positive conditional: 2262, positive unconditional: 596, negative: 467, negative conditional: 451, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2995, positive: 2858, positive conditional: 2262, positive unconditional: 596, negative: 137, negative conditional: 121, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2995, positive: 2368, positive conditional: 0, positive unconditional: 2368, negative: 627, negative conditional: 0, negative unconditional: 627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 379, positive: 365, positive conditional: 0, positive unconditional: 365, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 379, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2995, positive: 2003, positive conditional: 0, positive unconditional: 2003, negative: 613, negative conditional: 0, negative unconditional: 613, unknown: 379, unknown conditional: 0, unknown unconditional: 379] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975 ], Maximal queried relation: 7, Independence queries for same thread: 330 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 176, Number of persistent set computation: 55, Number of trivial persistent sets: 15, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3325, positive: 2858, positive conditional: 2262, positive unconditional: 596, negative: 467, negative conditional: 451, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2995, positive: 2858, positive conditional: 2262, positive unconditional: 596, negative: 137, negative conditional: 121, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2995, positive: 2368, positive conditional: 0, positive unconditional: 2368, negative: 627, negative conditional: 0, negative unconditional: 627, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 379, positive: 365, positive conditional: 0, positive unconditional: 365, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 379, positive: 357, positive conditional: 0, positive unconditional: 357, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2995, positive: 2003, positive conditional: 0, positive unconditional: 2003, negative: 613, negative conditional: 0, negative unconditional: 613, unknown: 379, unknown conditional: 0, unknown unconditional: 379] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975, SemanticConditionEliminator.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1794, positive: 490, positive conditional: 490, positive unconditional: 0, negative: 1304, negative conditional: 317, negative unconditional: 987, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 35, positive conditional: 27, positive unconditional: 8, negative: 23, negative conditional: 9, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 193, positive: 80, positive conditional: 50, positive unconditional: 30, negative: 113, negative conditional: 18, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1794, positive: 463, positive conditional: 463, positive unconditional: 0, negative: 1295, negative conditional: 308, negative unconditional: 987, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 415, Positive cache size: 392, Positive conditional cache size: 27, Positive unconditional cache size: 365, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Eliminated conditions: 975 ], Maximal queried relation: 7, Independence queries for same thread: 330 - PositiveResult [Line: 62]: 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, 48 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2010.1ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.6ms, PartialOrderReductionTime: 590.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 23.6ms SsaConstructionTime, 79.9ms SatisfiabilityAnalysisTime, 406.4ms InterpolantComputationTime, 316 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 306 ConstructedInterpolants, 0 QuantifiedInterpolants, 440 SizeOfPredicates, 2 NumberOfNonLiveVariables, 179 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 181/207 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...