/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-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/showcase/FischerWithBug.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 07:32:40,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 07:32:40,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 07:32:40,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-12 07:32:40,409 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-Delay.epf [2021-03-12 07:32:40,424 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 07:32:40,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 07:32:40,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 07:32:40,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 07:32:40,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 07:32:40,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 07:32:40,426 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 07:32:40,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 07:32:40,426 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 07:32:40,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 07:32:40,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 07:32:40,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 07:32:40,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 07:32:40,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 07:32:40,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 07:32:40,427 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 07:32:40,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 07:32:40,427 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 07:32:40,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 07:32:40,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 07:32:40,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 07:32:40,428 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 07:32:40,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 07:32:40,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 07:32:40,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 07:32:40,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 07:32:40,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 07:32:40,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 07:32:40,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 07:32:40,429 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 07:32:40,429 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 07:32:40,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 07:32:40,429 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 07:32:40,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 07:32:40,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 07:32:40,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 07:32:40,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 07:32:40,665 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 07:32:40,666 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 07:32:40,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/FischerWithBug.bpl [2021-03-12 07:32:40,667 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/FischerWithBug.bpl' [2021-03-12 07:32:40,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 07:32:40,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 07:32:40,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 07:32:40,696 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 07:32:40,696 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 07:32:40,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:40" (1/1) ... [2021-03-12 07:32:40,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:40" (1/1) ... [2021-03-12 07:32:40,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 07:32:40,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 07:32:40,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 07:32:40,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 07:32:40,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:40" (1/1) ... [2021-03-12 07:32:40,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:40" (1/1) ... [2021-03-12 07:32:40,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:40" (1/1) ... [2021-03-12 07:32:40,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:40" (1/1) ... [2021-03-12 07:32:40,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:40" (1/1) ... [2021-03-12 07:32:40,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:40" (1/1) ... [2021-03-12 07:32:40,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:40" (1/1) ... [2021-03-12 07:32:40,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 07:32:40,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 07:32:40,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 07:32:40,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 07:32:40,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:40" (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 [2021-03-12 07:32:40,790 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process2 given in one single declaration [2021-03-12 07:32:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure Process2 [2021-03-12 07:32:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure Process2 [2021-03-12 07:32:40,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process1 given in one single declaration [2021-03-12 07:32:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure Process1 [2021-03-12 07:32:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure Process1 [2021-03-12 07:32:40,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 07:32:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 07:32:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 07:32:40,791 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Clock given in one single declaration [2021-03-12 07:32:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure Clock [2021-03-12 07:32:40,792 INFO L138 BoogieDeclarations]: Found implementation of procedure Clock [2021-03-12 07:32:40,792 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 07:32:40,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 07:32:40,920 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-03-12 07:32:40,921 INFO L202 PluginConnector]: Adding new model FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 07:32:40 BoogieIcfgContainer [2021-03-12 07:32:40,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 07:32:40,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 07:32:40,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 07:32:40,923 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 07:32:40,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 07:32:40" (1/2) ... [2021-03-12 07:32:40,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77a99d08 and model type FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 07:32:40, skipping insertion in model container [2021-03-12 07:32:40,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 07:32:40" (2/2) ... [2021-03-12 07:32:40,925 INFO L111 eAbstractionObserver]: Analyzing ICFG FischerWithBug.bpl [2021-03-12 07:32:40,929 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 07:32:40,929 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 07:32:40,931 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-12 07:32:40,932 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 07:32:40,948 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,949 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,949 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,950 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,950 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,950 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,950 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,950 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,951 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,951 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,952 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,952 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,952 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,952 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,953 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,953 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,957 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,958 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-12 07:32:40,959 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-12 07:32:40,969 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 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 [2021-03-12 07:32:41,056 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 07:32:41,057 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 07:32:41,057 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 07:32:41,057 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 07:32:41,057 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 07:32:41,057 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 07:32:41,057 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 07:32:41,057 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 07:32:41,095 INFO L428 AbstractCegarLoop]: === Iteration 1 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-12 07:32:41,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 07:32:41,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1268568014, now seen corresponding path program 1 times [2021-03-12 07:32:41,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 07:32:41,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895103795] [2021-03-12 07:32:41,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 07:32:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 07:32:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 07:32:41,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895103795] [2021-03-12 07:32:41,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 07:32:41,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-12 07:32:41,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361823650] [2021-03-12 07:32:41,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-03-12 07:32:41,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 07:32:41,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-03-12 07:32:41,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-03-12 07:32:41,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,208 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 07:32:41,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 07:32:41,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-12 07:32:41,284 INFO L428 AbstractCegarLoop]: === Iteration 2 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-12 07:32:41,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 07:32:41,285 INFO L82 PathProgramCache]: Analyzing trace with hash -103812028, now seen corresponding path program 1 times [2021-03-12 07:32:41,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 07:32:41,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061440143] [2021-03-12 07:32:41,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 07:32:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 07:32:41,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 07:32:41,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061440143] [2021-03-12 07:32:41,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 07:32:41,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 07:32:41,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645144820] [2021-03-12 07:32:41,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 07:32:41,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 07:32:41,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 07:32:41,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 07:32:41,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,314 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 07:32:41,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-03-12 07:32:41,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,334 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 07:32:41,334 INFO L428 AbstractCegarLoop]: === Iteration 3 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-12 07:32:41,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 07:32:41,334 INFO L82 PathProgramCache]: Analyzing trace with hash -976283916, now seen corresponding path program 1 times [2021-03-12 07:32:41,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 07:32:41,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528335672] [2021-03-12 07:32:41,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 07:32:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 07:32:41,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 07:32:41,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528335672] [2021-03-12 07:32:41,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 07:32:41,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-12 07:32:41,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099343434] [2021-03-12 07:32:41,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 07:32:41,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 07:32:41,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 07:32:41,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 07:32:41,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,356 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 07:32:41,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 9.5) 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) [2021-03-12 07:32:41,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 07:32:41,423 INFO L428 AbstractCegarLoop]: === Iteration 4 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-12 07:32:41,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 07:32:41,423 INFO L82 PathProgramCache]: Analyzing trace with hash -607000939, now seen corresponding path program 1 times [2021-03-12 07:32:41,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 07:32:41,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729480242] [2021-03-12 07:32:41,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 07:32:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 07:32:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 07:32:41,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729480242] [2021-03-12 07:32:41,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 07:32:41,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 07:32:41,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270881926] [2021-03-12 07:32:41,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 07:32:41,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 07:32:41,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 07:32:41,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 07:32:41,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,449 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 07:32:41,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2021-03-12 07:32:41,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,515 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-12 07:32:41,515 INFO L428 AbstractCegarLoop]: === Iteration 5 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-12 07:32:41,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 07:32:41,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1184620987, now seen corresponding path program 2 times [2021-03-12 07:32:41,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 07:32:41,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753628675] [2021-03-12 07:32:41,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 07:32:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 07:32:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-03-12 07:32:41,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753628675] [2021-03-12 07:32:41,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 07:32:41,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 07:32:41,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497560115] [2021-03-12 07:32:41,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 07:32:41,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 07:32:41,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 07:32:41,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 07:32:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,558 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 07:32:41,558 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 07:32:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 07:32:41,678 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-12 07:32:41,678 INFO L428 AbstractCegarLoop]: === Iteration 6 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-12 07:32:41,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 07:32:41,678 INFO L82 PathProgramCache]: Analyzing trace with hash 408406907, now seen corresponding path program 1 times [2021-03-12 07:32:41,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 07:32:41,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352072370] [2021-03-12 07:32:41,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 07:32:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 07:32:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-03-12 07:32:41,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352072370] [2021-03-12 07:32:41,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 07:32:41,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-12 07:32:41,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900838751] [2021-03-12 07:32:41,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 07:32:41,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 07:32:41,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 07:32:41,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-12 07:32:41,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,757 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 07:32:41,758 INFO L481 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) [2021-03-12 07:32:41,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 07:32:41,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 07:32:41,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 07:32:41,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 07:32:41,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 07:32:41,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-12 07:32:41,847 INFO L428 AbstractCegarLoop]: === Iteration 7 === [Process1Err0ASSERT_VIOLATIONASSERT, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr2INUSE_VIOLATION, Process1Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr1INUSE_VIOLATION, Process2Err0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-03-12 07:32:41,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 07:32:41,847 INFO L82 PathProgramCache]: Analyzing trace with hash -167210416, now seen corresponding path program 2 times [2021-03-12 07:32:41,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 07:32:41,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577683580] [2021-03-12 07:32:41,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 07:32:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 07:32:41,863 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 07:32:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-12 07:32:41,879 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-12 07:32:41,902 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-12 07:32:41,902 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-12 07:32:41,902 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-12 07:32:41,925 INFO L202 PluginConnector]: Adding new model FischerWithBug.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 07:32:41 BasicIcfg [2021-03-12 07:32:41,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 07:32:41,927 INFO L168 Benchmark]: Toolchain (without parser) took 1233.58 ms. Allocated memory was 255.9 MB in the beginning and 339.7 MB in the end (delta: 83.9 MB). Free memory was 236.4 MB in the beginning and 272.2 MB in the end (delta: -35.7 MB). Peak memory consumption was 48.9 MB. Max. memory is 16.0 GB. [2021-03-12 07:32:41,927 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.7 MB in the beginning and 237.5 MB in the end (delta: 157.6 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 07:32:41,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.04 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 07:32:41,928 INFO L168 Benchmark]: Boogie Preprocessor took 11.09 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.5 MB in the end (delta: 994.3 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-12 07:32:41,928 INFO L168 Benchmark]: RCFGBuilder took 192.24 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 237.0 MB in the end (delta: -3.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. [2021-03-12 07:32:41,931 INFO L168 Benchmark]: TraceAbstraction took 1003.60 ms. Allocated memory was 255.9 MB in the beginning and 339.7 MB in the end (delta: 83.9 MB). Free memory was 237.0 MB in the beginning and 272.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 47.5 MB. Max. memory is 16.0 GB. [2021-03-12 07:32:41,932 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 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 237.7 MB in the beginning and 237.5 MB in the end (delta: 157.6 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 20.04 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 11.09 ms. Allocated memory is still 255.9 MB. Free memory was 234.5 MB in the beginning and 233.5 MB in the end (delta: 994.3 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 192.24 ms. Allocated memory is still 255.9 MB. Free memory was 233.5 MB in the beginning and 237.0 MB in the end (delta: -3.5 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1003.60 ms. Allocated memory was 255.9 MB in the beginning and 339.7 MB in the end (delta: 83.9 MB). Free memory was 237.0 MB in the beginning and 272.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 47.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4008, positive: 3054, positive conditional: 3054, positive unconditional: 0, negative: 954, negative conditional: 954, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3357, positive: 3054, positive conditional: 3054, positive unconditional: 0, negative: 303, negative conditional: 303, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3357, positive: 3054, positive conditional: 0, positive unconditional: 3054, negative: 303, negative conditional: 0, negative unconditional: 303, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 246, positive: 232, positive conditional: 0, positive unconditional: 232, 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: 246, positive: 222, positive conditional: 0, positive unconditional: 222, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 10, positive conditional: 0, positive unconditional: 10, 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: 44, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 34, negative conditional: 20, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 160, negative conditional: 96, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3357, positive: 2822, positive conditional: 0, positive unconditional: 2822, negative: 289, negative conditional: 0, negative unconditional: 289, unknown: 246, unknown conditional: 0, unknown unconditional: 246] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 34, Negative conditional cache size: 20, Negative unconditional cache size: 14, SemanticConditionEliminator.Independence Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1398, negative conditional: 122, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1398, negative conditional: 122, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 34, negative conditional: 20, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 160, negative conditional: 96, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1378, negative conditional: 102, negative unconditional: 1276, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 34, Negative conditional cache size: 20, Negative unconditional cache size: 14, Eliminated conditions: 1276, SemanticConditionEliminator.Independence Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1398, negative conditional: 122, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1398, negative conditional: 122, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 34, negative conditional: 20, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 160, negative conditional: 96, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1378, negative conditional: 102, negative unconditional: 1276, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 34, Negative conditional cache size: 20, Negative unconditional cache size: 14, Eliminated conditions: 1276, SemanticConditionEliminator.Independence Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1398, negative conditional: 122, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1398, negative conditional: 122, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 34, negative conditional: 20, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 160, negative conditional: 96, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1378, negative conditional: 102, negative unconditional: 1276, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 34, Negative conditional cache size: 20, Negative unconditional cache size: 14, Eliminated conditions: 1276, SemanticConditionEliminator.Independence Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1398, negative conditional: 122, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1398, negative conditional: 122, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 34, negative conditional: 20, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 160, negative conditional: 96, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1378, negative conditional: 102, negative unconditional: 1276, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 34, Negative conditional cache size: 20, Negative unconditional cache size: 14, Eliminated conditions: 1276, SemanticConditionEliminator.Independence Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1398, negative conditional: 122, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1398, negative conditional: 122, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 34, negative conditional: 20, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 160, negative conditional: 96, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1378, negative conditional: 102, negative unconditional: 1276, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 34, Negative conditional cache size: 20, Negative unconditional cache size: 14, Eliminated conditions: 1276, SemanticConditionEliminator.Independence Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1398, negative conditional: 122, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1398, negative conditional: 122, negative unconditional: 1276, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 44, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 34, negative conditional: 20, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 187, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 160, negative conditional: 96, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1398, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1378, negative conditional: 102, negative unconditional: 1276, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 266, Positive cache size: 232, Positive conditional cache size: 0, Positive unconditional cache size: 232, Negative cache size: 34, Negative conditional cache size: 20, Negative unconditional cache size: 14, Eliminated conditions: 1276 ], Maximal queried relation: 6, Independence queries for same thread: 651 - CounterExampleResult [Line: 66]: assertion can be violated assertion can be violated We found a FailurePath: [L28] 0 critical := 0; VAL [critical=0] [L29] 0 clk := 0; VAL [clk=0, critical=0] [L30] 0 assume wait >= 1; VAL [clk=0, critical=0, wait=1] [L33] 0 assume wait >= delay; VAL [clk=0, critical=0, delay=1, wait=1] [L34] FORK 0 fork 0 Clock(); VAL [clk=0, critical=0, delay=1, wait=1] [L35] FORK 0 fork 1 Process1(); VAL [clk=0, critical=0, delay=1, wait=1] [L36] FORK 0 fork 2 Process2(); VAL [clk=0, critical=0, delay=1, wait=1] [L78] COND TRUE 3 lock != 2 VAL [clk=0, critical=0, delay=1, lock=0, wait=1] [L79] 3 deadline := clk + delay; VAL [clk=0, critical=0, deadline=1, delay=1, lock=0, wait=1] [L80] 3 assume lock == 0; VAL [clk=0, critical=0, deadline=1, delay=1, lock=0, wait=1] [L81] 3 lock := 2; VAL [clk=0, critical=0, deadline=1, delay=1, lock=2, wait=1] [L82] 3 assume clk <= deadline; VAL [clk=0, critical=0, deadline=1, delay=1, lock=2, wait=1] [L83] 3 deadline := clk + wait; VAL [clk=0, critical=0, deadline=1, delay=1, lock=2, wait=1] [L44] 1 clk := clk + 1; VAL [clk=1, critical=0, deadline=1, delay=1, lock=2, wait=1] [L57] COND TRUE 2 lock != 1 VAL [clk=1, critical=0, deadline=1, delay=1, lock=2, wait=1] [L58] 2 deadline := clk + delay; VAL [clk=1, critical=0, deadline=1, deadline=2, delay=1, lock=2, wait=1] [L84] 3 assume clk >= deadline; VAL [clk=1, critical=0, deadline=1, deadline=2, delay=1, lock=2, wait=1] [L85] 3 assume lock == 2; VAL [clk=1, critical=0, deadline=1, deadline=2, delay=1, lock=2, wait=1] [L87] 3 assert critical == 0; VAL [clk=1, critical=0, deadline=1, deadline=2, delay=1, lock=2, wait=1] [L88] 3 critical := 2; VAL [clk=1, critical=2, deadline=1, deadline=2, delay=1, lock=2, wait=1] [L89] 3 critical := 0; VAL [clk=1, critical=0, deadline=1, deadline=2, delay=1, lock=2, wait=1] [L90] 3 lock := 0; VAL [clk=1, critical=0, deadline=1, deadline=2, delay=1, lock=0, wait=1] [L78] COND TRUE 3 lock != 2 VAL [clk=1, critical=0, deadline=1, deadline=2, delay=1, lock=0, wait=1] [L79] 3 deadline := clk + delay; VAL [clk=1, critical=0, deadline=2, deadline=2, delay=1, lock=0, wait=1] [L80] 3 assume lock == 0; VAL [clk=1, critical=0, deadline=2, deadline=2, delay=1, lock=0, wait=1] [L59] 2 assume lock == 0; VAL [clk=1, critical=0, deadline=2, deadline=2, delay=1, lock=0, wait=1] [L81] 3 lock := 2; VAL [clk=1, critical=0, deadline=2, deadline=2, delay=1, lock=2, wait=1] [L82] 3 assume clk <= deadline; VAL [clk=1, critical=0, deadline=2, deadline=2, delay=1, lock=2, wait=1] [L83] 3 deadline := clk + wait; VAL [clk=1, critical=0, deadline=2, deadline=2, delay=1, lock=2, wait=1] [L44] 1 clk := clk + 1; VAL [clk=2, critical=0, deadline=2, deadline=2, delay=1, lock=2, wait=1] [L84] 3 assume clk >= deadline; VAL [clk=2, critical=0, deadline=2, deadline=2, delay=1, lock=2, wait=1] [L85] 3 assume lock == 2; VAL [clk=2, critical=0, deadline=2, deadline=2, delay=1, lock=2, wait=1] [L60] 2 lock := 1; VAL [clk=2, critical=0, deadline=2, deadline=2, delay=1, lock=1, wait=1] [L61] 2 assume clk <= deadline; VAL [clk=2, critical=0, deadline=2, deadline=2, delay=1, lock=1, wait=1] [L62] 2 deadline := clk + wait; VAL [clk=2, critical=0, deadline=2, deadline=3, delay=1, lock=1, wait=1] [L44] 1 clk := clk + 1; VAL [clk=3, critical=0, deadline=2, deadline=3, delay=1, lock=1, wait=1] [L63] 2 assume clk >= deadline; VAL [clk=3, critical=0, deadline=2, deadline=3, delay=1, lock=1, wait=1] [L64] 2 assume lock == 1; VAL [clk=3, critical=0, deadline=2, deadline=3, delay=1, lock=1, wait=1] [L87] 3 assert critical == 0; VAL [clk=3, critical=0, deadline=2, deadline=3, delay=1, lock=1, wait=1] [L88] 3 critical := 2; VAL [clk=3, critical=2, deadline=2, deadline=3, delay=1, lock=1, wait=1] [L66] 2 assert critical == 0; VAL [clk=3, critical=2, deadline=2, deadline=3, delay=1, lock=1, wait=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 929.2ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.4ms, PartialOrderReductionTime: 462.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 19, 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: 17.2ms SsaConstructionTime, 62.2ms SatisfiabilityAnalysisTime, 153.5ms InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 327 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 31/31 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...