/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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8b99979fc9bd30b823d307a67cb055caa4790482-8b99979 [2021-06-30 13:55:57,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-30 13:55:57,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-30 13:55:57,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-30 13:55:57,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-30 13:55:57,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-30 13:55:57,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-30 13:55:57,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-30 13:55:57,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-30 13:55:57,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-30 13:55:57,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-30 13:55:57,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-30 13:55:57,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-30 13:55:57,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-30 13:55:57,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-30 13:55:57,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-30 13:55:57,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-30 13:55:57,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-30 13:55:57,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-30 13:55:57,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-30 13:55:57,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-30 13:55:57,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-30 13:55:57,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-30 13:55:57,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-30 13:55:57,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-30 13:55:57,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-30 13:55:57,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-30 13:55:57,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-30 13:55:57,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-30 13:55:57,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-30 13:55:57,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-30 13:55:57,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-30 13:55:57,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-30 13:55:57,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-30 13:55:57,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-30 13:55:57,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-30 13:55:57,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-30 13:55:57,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-30 13:55:57,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-30 13:55:57,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-30 13:55:57,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-30 13:55:57,669 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-DelaySleep-NoLbe.epf [2021-06-30 13:55:57,703 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-30 13:55:57,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-30 13:55:57,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-30 13:55:57,704 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-30 13:55:57,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-30 13:55:57,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-30 13:55:57,706 INFO L138 SettingsManager]: * Use SBE=true [2021-06-30 13:55:57,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-30 13:55:57,706 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-30 13:55:57,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-30 13:55:57,706 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-30 13:55:57,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-30 13:55:57,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-30 13:55:57,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-30 13:55:57,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-30 13:55:57,707 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-30 13:55:57,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-30 13:55:57,707 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-30 13:55:57,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-30 13:55:57,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-30 13:55:57,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-30 13:55:57,708 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-30 13:55:57,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-30 13:55:57,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 13:55:57,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-30 13:55:57,709 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-30 13:55:57,709 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-30 13:55:57,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-30 13:55:57,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-30 13:55:57,709 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-30 13:55:57,709 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-30 13:55:57,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-30 13:55:57,710 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-30 13:55:57,710 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-30 13:55:57,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-30 13:55:58,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-30 13:55:58,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-30 13:55:58,010 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-30 13:55:58,012 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-30 13:55:58,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr07.bpl [2021-06-30 13:55:58,013 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/incr-decr07.bpl' [2021-06-30 13:55:58,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-30 13:55:58,051 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-30 13:55:58,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-30 13:55:58,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-30 13:55:58,052 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-30 13:55:58,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "incr-decr07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 01:55:58" (1/1) ... [2021-06-30 13:55:58,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "incr-decr07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 01:55:58" (1/1) ... [2021-06-30 13:55:58,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-30 13:55:58,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-30 13:55:58,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-30 13:55:58,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-30 13:55:58,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "incr-decr07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 01:55:58" (1/1) ... [2021-06-30 13:55:58,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "incr-decr07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 01:55:58" (1/1) ... [2021-06-30 13:55:58,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "incr-decr07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 01:55:58" (1/1) ... [2021-06-30 13:55:58,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "incr-decr07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 01:55:58" (1/1) ... [2021-06-30 13:55:58,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "incr-decr07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 01:55:58" (1/1) ... [2021-06-30 13:55:58,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "incr-decr07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 01:55:58" (1/1) ... [2021-06-30 13:55:58,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "incr-decr07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 01:55:58" (1/1) ... [2021-06-30 13:55:58,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-30 13:55:58,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-30 13:55:58,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-30 13:55:58,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-30 13:55:58,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "incr-decr07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 01:55:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 13:55:58,160 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-30 13:55:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-30 13:55:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-30 13:55:58,161 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-30 13:55:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-30 13:55:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-30 13:55:58,162 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-30 13:55:58,312 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-30 13:55:58,313 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-30 13:55:58,315 INFO L202 PluginConnector]: Adding new model incr-decr07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 01:55:58 BoogieIcfgContainer [2021-06-30 13:55:58,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-30 13:55:58,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-30 13:55:58,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-30 13:55:58,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-30 13:55:58,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 01:55:58" (1/2) ... [2021-06-30 13:55:58,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f8182f2 and model type incr-decr07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.06 01:55:58, skipping insertion in model container [2021-06-30 13:55:58,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "incr-decr07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 01:55:58" (2/2) ... [2021-06-30 13:55:58,323 INFO L111 eAbstractionObserver]: Analyzing ICFG incr-decr07.bpl [2021-06-30 13:55:58,331 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-30 13:55:58,331 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-30 13:55:58,333 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-30 13:55:58,334 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-30 13:55:58,482 INFO L149 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2021-06-30 13:55:58,510 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-30 13:55:58,579 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-30 13:55:58,579 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-30 13:55:58,579 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-30 13:55:58,580 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-30 13:55:58,580 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-30 13:55:58,580 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-30 13:55:58,580 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-30 13:55:58,580 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-30 13:55:59,121 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 13:55:59,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 13:55:59,127 INFO L82 PathProgramCache]: Analyzing trace with hash -374765786, now seen corresponding path program 1 times [2021-06-30 13:55:59,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 13:55:59,135 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186666034] [2021-06-30 13:55:59,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 13:55:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 13:55:59,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-30 13:55:59,294 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 13:55:59,294 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186666034] [2021-06-30 13:55:59,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186666034] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-30 13:55:59,296 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-30 13:55:59,296 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-30 13:55:59,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351010759] [2021-06-30 13:55:59,303 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-30 13:55:59,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 13:55:59,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-30 13:55:59,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-30 13:55:59,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 13:55:59,320 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 13:55:59,331 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 13:55:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 13:55:59,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-30 13:55:59,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-30 13:55:59,421 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 13:55:59,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 13:55:59,423 INFO L82 PathProgramCache]: Analyzing trace with hash 831760004, now seen corresponding path program 1 times [2021-06-30 13:55:59,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 13:55:59,424 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941346045] [2021-06-30 13:55:59,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 13:55:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 13:55:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-30 13:55:59,513 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 13:55:59,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941346045] [2021-06-30 13:55:59,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941346045] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-30 13:55:59,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-30 13:55:59,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-30 13:55:59,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016720749] [2021-06-30 13:55:59,515 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-30 13:55:59,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 13:55:59,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-30 13:55:59,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-30 13:55:59,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 13:55:59,516 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 13:55:59,516 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2021-06-30 13:55:59,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-30 13:55:59,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 13:55:59,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-30 13:55:59,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-30 13:55:59,987 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-30 13:55:59,997 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-30 13:56:00,001 INFO L202 PluginConnector]: Adding new model incr-decr07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.06 01:56:00 BasicIcfg [2021-06-30 13:56:00,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-30 13:56:00,003 INFO L168 Benchmark]: Toolchain (without parser) took 1951.29 ms. Allocated memory is still 213.9 MB. Free memory was 193.9 MB in the beginning and 118.9 MB in the end (delta: 75.0 MB). Peak memory consumption was 76.5 MB. Max. memory is 8.0 GB. [2021-06-30 13:56:00,004 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 213.9 MB. Free memory is still 195.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-30 13:56:00,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.18 ms. Allocated memory is still 213.9 MB. Free memory was 193.9 MB in the beginning and 192.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-30 13:56:00,010 INFO L168 Benchmark]: Boogie Preprocessor took 13.97 ms. Allocated memory is still 213.9 MB. Free memory was 192.5 MB in the beginning and 191.5 MB in the end (delta: 952.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-30 13:56:00,011 INFO L168 Benchmark]: RCFGBuilder took 221.29 ms. Allocated memory is still 213.9 MB. Free memory was 191.4 MB in the beginning and 182.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-06-30 13:56:00,011 INFO L168 Benchmark]: TraceAbstraction took 1684.15 ms. Allocated memory is still 213.9 MB. Free memory was 181.7 MB in the beginning and 118.9 MB in the end (delta: 62.8 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. [2021-06-30 13:56:00,015 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 0.13 ms. Allocated memory is still 213.9 MB. Free memory is still 195.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.18 ms. Allocated memory is still 213.9 MB. Free memory was 193.9 MB in the beginning and 192.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.97 ms. Allocated memory is still 213.9 MB. Free memory was 192.5 MB in the beginning and 191.5 MB in the end (delta: 952.0 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 221.29 ms. Allocated memory is still 213.9 MB. Free memory was 191.4 MB in the beginning and 182.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1684.15 ms. Allocated memory is still 213.9 MB. Free memory was 181.7 MB in the beginning and 118.9 MB in the end (delta: 62.8 MB). Peak memory consumption was 64.0 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: 60777, positive: 57539, positive conditional: 57539, positive unconditional: 0, negative: 3238, negative conditional: 3238, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 57539, positive: 57539, positive conditional: 57539, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 57539, positive: 57539, positive conditional: 0, positive unconditional: 57539, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 315, positive: 315, positive conditional: 0, positive unconditional: 315, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 315, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 281, positive: 281, positive conditional: 0, positive unconditional: 281, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 57539, positive: 57224, positive conditional: 0, positive unconditional: 57224, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 315, unknown conditional: 0, unknown unconditional: 315] , Statistics on independence cache: Total cache size (in pairs): 315, Positive cache size: 315, Positive conditional cache size: 0, Positive unconditional cache size: 315, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 281, positive: 281, positive conditional: 0, positive unconditional: 281, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 315, Positive cache size: 315, Positive conditional cache size: 0, Positive unconditional cache size: 315, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 281, positive: 281, positive conditional: 0, positive unconditional: 281, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 315, Positive cache size: 315, Positive conditional cache size: 0, Positive unconditional cache size: 315, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 3238 - PositiveResult [Line: 24]: 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 9 procedures, 50 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1461.0ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.0ms, PartialOrderReductionTime: 1083.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.9ms SsaConstructionTime, 44.7ms SatisfiabilityAnalysisTime, 136.1ms InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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...