/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-New_States.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4-proof.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a865e3bea3ade1065a4c95009cfa501fe03c5538-a865e3b [2021-02-20 00:03:20,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-20 00:03:20,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-20 00:03:20,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-20 00:03:20,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-20 00:03:20,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-20 00:03:20,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-20 00:03:20,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-20 00:03:20,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-20 00:03:20,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-20 00:03:20,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-20 00:03:20,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-20 00:03:20,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-20 00:03:20,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-20 00:03:20,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-20 00:03:20,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-20 00:03:20,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-20 00:03:20,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-20 00:03:20,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-20 00:03:20,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-20 00:03:20,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-20 00:03:20,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-20 00:03:20,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-20 00:03:20,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-20 00:03:20,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-20 00:03:20,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-20 00:03:20,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-20 00:03:20,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-20 00:03:20,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-20 00:03:20,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-20 00:03:20,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-20 00:03:20,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-20 00:03:20,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-20 00:03:20,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-20 00:03:20,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-20 00:03:20,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-20 00:03:20,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-20 00:03:20,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-20 00:03:20,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-20 00:03:20,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-20 00:03:20,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-20 00:03:20,217 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-Sleep-NoLbe-New_States.epf [2021-02-20 00:03:20,245 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-20 00:03:20,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-20 00:03:20,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-02-20 00:03:20,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-02-20 00:03:20,248 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-20 00:03:20,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-20 00:03:20,248 INFO L138 SettingsManager]: * Use SBE=true [2021-02-20 00:03:20,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-20 00:03:20,248 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-20 00:03:20,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-20 00:03:20,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-20 00:03:20,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-20 00:03:20,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-20 00:03:20,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-20 00:03:20,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-20 00:03:20,249 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-20 00:03:20,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-20 00:03:20,250 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-20 00:03:20,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-20 00:03:20,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-20 00:03:20,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-20 00:03:20,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-20 00:03:20,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-20 00:03:20,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-20 00:03:20,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-20 00:03:20,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-20 00:03:20,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-20 00:03:20,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-20 00:03:20,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-20 00:03:20,251 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-02-20 00:03:20,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-02-20 00:03:20,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-20 00:03:20,251 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-02-20 00:03:20,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-20 00:03:20,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-20 00:03:20,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-20 00:03:20,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-20 00:03:20,511 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-02-20 00:03:20,512 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-02-20 00:03:20,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4-proof.wvr.bpl [2021-02-20 00:03:20,513 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x4-proof.wvr.bpl' [2021-02-20 00:03:20,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-20 00:03:20,538 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-20 00:03:20,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-02-20 00:03:20,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-02-20 00:03:20,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-02-20 00:03:20,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:20" (1/1) ... [2021-02-20 00:03:20,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:20" (1/1) ... [2021-02-20 00:03:20,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-02-20 00:03:20,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-20 00:03:20,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-20 00:03:20,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-20 00:03:20,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:20" (1/1) ... [2021-02-20 00:03:20,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:20" (1/1) ... [2021-02-20 00:03:20,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:20" (1/1) ... [2021-02-20 00:03:20,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:20" (1/1) ... [2021-02-20 00:03:20,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:20" (1/1) ... [2021-02-20 00:03:20,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:20" (1/1) ... [2021-02-20 00:03:20,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:20" (1/1) ... [2021-02-20 00:03:20,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-20 00:03:20,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-20 00:03:20,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-20 00:03:20,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-20 00:03:20,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:20" (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 [2021-02-20 00:03:20,625 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-02-20 00:03:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-02-20 00:03:20,625 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-02-20 00:03:20,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-02-20 00:03:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-02-20 00:03:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-02-20 00:03:20,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-02-20 00:03:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-20 00:03:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-20 00:03:20,626 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-02-20 00:03:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-02-20 00:03:20,627 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-02-20 00:03:20,628 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-02-20 00:03:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-02-20 00:03:20,628 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-02-20 00:03:20,628 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-02-20 00:03:20,824 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-20 00:03:20,825 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-20 00:03:20,826 INFO L202 PluginConnector]: Adding new model exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:03:20 BoogieIcfgContainer [2021-02-20 00:03:20,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-20 00:03:20,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-20 00:03:20,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-20 00:03:20,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-20 00:03:20,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:20" (1/2) ... [2021-02-20 00:03:20,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a83df55 and model type exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:03:20, skipping insertion in model container [2021-02-20 00:03:20,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:03:20" (2/2) ... [2021-02-20 00:03:20,830 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x4-proof.wvr.bpl [2021-02-20 00:03:20,850 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-02-20 00:03:20,851 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-20 00:03:20,854 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-20 00:03:20,854 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-02-20 00:03:20,904 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-02-20 00:03:20,916 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-02-20 00:03:20,946 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-20 00:03:20,946 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-20 00:03:20,948 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-20 00:03:20,948 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-20 00:03:20,948 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-20 00:03:20,948 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-20 00:03:20,948 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-20 00:03:20,948 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-20 00:03:21,035 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:03:21,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:03:21,045 INFO L82 PathProgramCache]: Analyzing trace with hash -267707424, now seen corresponding path program 1 times [2021-02-20 00:03:21,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:03:21,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528615415] [2021-02-20 00:03:21,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:03:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:03:21,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:03:21,246 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528615415] [2021-02-20 00:03:21,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-20 00:03:21,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-02-20 00:03:21,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79676407] [2021-02-20 00:03:21,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-20 00:03:21,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:03:21,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-20 00:03:21,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-20 00:03:21,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:03:21,264 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:03:21,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-02-20 00:03:21,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:03:21,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:03:21,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-20 00:03:21,418 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:03:21,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:03:21,420 INFO L82 PathProgramCache]: Analyzing trace with hash -95377592, now seen corresponding path program 1 times [2021-02-20 00:03:21,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:03:21,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15513319] [2021-02-20 00:03:21,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:03:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:03:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:03:21,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15513319] [2021-02-20 00:03:21,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911713563] [2021-02-20 00:03:21,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:03:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:03:21,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2021-02-20 00:03:21,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:03:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:03:21,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:03:21,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-02-20 00:03:21,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652376393] [2021-02-20 00:03:21,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-20 00:03:21,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:03:21,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-20 00:03:21,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-20 00:03:21,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:03:21,611 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:03:21,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 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) [2021-02-20 00:03:21,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:03:21,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:03:21,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:03:21,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:03:21,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:03:21,886 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:03:21,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:03:21,887 INFO L82 PathProgramCache]: Analyzing trace with hash 2019140415, now seen corresponding path program 1 times [2021-02-20 00:03:21,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:03:21,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162278339] [2021-02-20 00:03:21,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:03:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:03:21,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:03:21,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162278339] [2021-02-20 00:03:21,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634019948] [2021-02-20 00:03:21,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-02-20 00:03:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:03:22,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 13 conjunts are in the unsatisfiable core [2021-02-20 00:03:22,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:03:22,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:03:22,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:03:22,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 6 [2021-02-20 00:03:22,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194728773] [2021-02-20 00:03:22,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-20 00:03:22,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:03:22,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-20 00:03:22,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-02-20 00:03:22,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:03:22,221 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:03:22,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-02-20 00:03:22,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:03:22,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:03:22,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:03:22,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:03:22,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:03:22,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:03:22,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:03:22,494 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:03:22,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:03:22,495 INFO L82 PathProgramCache]: Analyzing trace with hash 2056454311, now seen corresponding path program 2 times [2021-02-20 00:03:22,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:03:22,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944473308] [2021-02-20 00:03:22,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:03:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:03:22,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:03:22,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944473308] [2021-02-20 00:03:22,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126479198] [2021-02-20 00:03:22,560 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 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 [2021-02-20 00:03:22,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-20 00:03:22,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:03:22,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-02-20 00:03:22,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-20 00:03:22,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:03:22,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-20 00:03:22,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-02-20 00:03:22,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127078612] [2021-02-20 00:03:22,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-20 00:03:22,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-20 00:03:22,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-20 00:03:22,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-20 00:03:22,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:03:22,683 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-02-20 00:03:22,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.1) internal successors, (31), 9 states have internal predecessors, (31), 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) [2021-02-20 00:03:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:03:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:03:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:03:22,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-02-20 00:03:23,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-20 00:03:23,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:03:23,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-20 00:03:23,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-20 00:03:23,226 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:03:23,226 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-02-20 00:03:23,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-20 00:03:23,226 INFO L82 PathProgramCache]: Analyzing trace with hash 561502592, now seen corresponding path program 3 times [2021-02-20 00:03:23,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-20 00:03:23,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90872281] [2021-02-20 00:03:23,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-20 00:03:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-20 00:03:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-20 00:03:23,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90872281] [2021-02-20 00:03:23,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429487960] [2021-02-20 00:03:23,310 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-02-20 00:03:23,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-02-20 00:03:23,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-20 00:03:23,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 21 conjunts are in the unsatisfiable core [2021-02-20 00:03:23,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... [2021-02-20 00:12:58,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-20 00:12:58,386 WARN L545 AbstractCegarLoop]: Verification canceled [2021-02-20 00:12:58,389 WARN L224 ceAbstractionStarter]: Timeout [2021-02-20 00:12:58,390 INFO L202 PluginConnector]: Adding new model exp2x4-proof.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 12:12:58 BasicIcfg [2021-02-20 00:12:58,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-20 00:12:58,390 INFO L168 Benchmark]: Toolchain (without parser) took 577855.86 ms. Allocated memory was 255.9 MB in the beginning and 981.5 MB in the end (delta: 725.6 MB). Free memory was 237.1 MB in the beginning and 823.2 MB in the end (delta: -586.1 MB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-02-20 00:12:58,390 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 238.2 MB in the beginning and 238.0 MB in the end (delta: 167.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-20 00:12:58,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.99 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 235.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-02-20 00:12:58,391 INFO L168 Benchmark]: Boogie Preprocessor took 10.98 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-02-20 00:12:58,391 INFO L168 Benchmark]: RCFGBuilder took 257.27 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 238.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.0 GB. [2021-02-20 00:12:58,391 INFO L168 Benchmark]: TraceAbstraction took 577563.11 ms. Allocated memory was 255.9 MB in the beginning and 981.5 MB in the end (delta: 725.6 MB). Free memory was 237.4 MB in the beginning and 823.2 MB in the end (delta: -585.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. [2021-02-20 00:12:58,391 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 255.9 MB. Free memory was 238.2 MB in the beginning and 238.0 MB in the end (delta: 167.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.99 ms. Allocated memory is still 255.9 MB. Free memory was 236.4 MB in the beginning and 235.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.98 ms. Allocated memory is still 255.9 MB. Free memory was 235.1 MB in the beginning and 234.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 257.27 ms. Allocated memory is still 255.9 MB. Free memory was 234.1 MB in the beginning and 238.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 577563.11 ms. Allocated memory was 255.9 MB in the beginning and 981.5 MB in the end (delta: 725.6 MB). Free memory was 237.4 MB in the beginning and 823.2 MB in the end (delta: -585.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 63). Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while QuantifierPusher was running 409 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 577.4s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 29700 SizeOfPredicates, 8 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown