/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-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 23:28:56,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 23:28:56,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 23:28:56,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-01 23:28:56,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-01 23:28:56,983 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 23:28:56,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 23:28:56,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 23:28:56,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 23:28:56,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 23:28:56,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 23:28:56,987 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 23:28:56,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 23:28:56,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 23:28:56,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 23:28:56,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 23:28:56,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 23:28:56,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 23:28:56,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 23:28:56,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 23:28:56,989 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 23:28:56,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 23:28:56,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 23:28:56,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 23:28:56,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 23:28:56,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 23:28:56,990 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 23:28:56,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 23:28:56,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 23:28:56,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 23:28:56,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 23:28:56,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 23:28:56,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 23:28:56,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 23:28:56,992 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 23:28:56,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-01 23:28:56,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 23:28:56,992 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-01 23:28:56,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 23:28:57,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 23:28:57,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 23:28:57,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 23:28:57,364 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-01 23:28:57,365 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-01 23:28:57,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl [2021-06-01 23:28:57,366 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl' [2021-06-01 23:28:57,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 23:28:57,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-01 23:28:57,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 23:28:57,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 23:28:57,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 23:28:57,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 11:28:57" (1/1) ... [2021-06-01 23:28:57,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 11:28:57" (1/1) ... [2021-06-01 23:28:57,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 23:28:57,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 23:28:57,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 23:28:57,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 23:28:57,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 11:28:57" (1/1) ... [2021-06-01 23:28:57,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 11:28:57" (1/1) ... [2021-06-01 23:28:57,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 11:28:57" (1/1) ... [2021-06-01 23:28:57,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 11:28:57" (1/1) ... [2021-06-01 23:28:57,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 11:28:57" (1/1) ... [2021-06-01 23:28:57,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 11:28:57" (1/1) ... [2021-06-01 23:28:57,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 11:28:57" (1/1) ... [2021-06-01 23:28:57,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 23:28:57,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 23:28:57,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 23:28:57,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 23:28:57,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 11:28:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 23:28:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure fistIncrementProcess [2021-06-01 23:28:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure fistIncrementProcess [2021-06-01 23:28:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 23:28:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 23:28:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrementProcess [2021-06-01 23:28:57,548 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrementProcess [2021-06-01 23:28:57,550 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-01 23:28:57,698 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 23:28:57,698 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-01 23:28:57,700 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 11:28:57 BoogieIcfgContainer [2021-06-01 23:28:57,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 23:28:57,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 23:28:57,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 23:28:57,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 23:28:57,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.06 11:28:57" (1/2) ... [2021-06-01 23:28:57,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5796e8fd and model type NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 11:28:57, skipping insertion in model container [2021-06-01 23:28:57,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 11:28:57" (2/2) ... [2021-06-01 23:28:57,707 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads_Loop.bpl [2021-06-01 23:28:57,716 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-01 23:28:57,716 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 23:28:57,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-01 23:28:57,718 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-01 23:28:57,752 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,753 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,753 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,753 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,753 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,754 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,754 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,754 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,754 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,754 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,755 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,755 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,755 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,755 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,756 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,756 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,756 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,756 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,756 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,757 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,757 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,757 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,757 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,757 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,758 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,758 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,758 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,758 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,769 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,770 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,774 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,774 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 23:28:57,790 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-01 23:28:57,808 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-01 23:28:57,853 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 23:28:57,853 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 23:28:57,853 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 23:28:57,853 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 23:28:57,853 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 23:28:57,853 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 23:28:57,853 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 23:28:57,853 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 23:28:57,918 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 23:28:57,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 23:28:57,922 INFO L82 PathProgramCache]: Analyzing trace with hash 756136683, now seen corresponding path program 1 times [2021-06-01 23:28:57,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 23:28:57,929 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210516843] [2021-06-01 23:28:57,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 23:28:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:28:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 23:28:58,054 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 23:28:58,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210516843] [2021-06-01 23:28:58,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210516843] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:28:58,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827178272] [2021-06-01 23:28:58,055 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 [2021-06-01 23:28:58,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:28:58,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-06-01 23:28:58,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 23:28:58,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-01 23:28:58,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827178272] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 23:28:58,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-01 23:28:58,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-06-01 23:28:58,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297947641] [2021-06-01 23:28:58,171 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-01 23:28:58,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 23:28:58,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-01 23:28:58,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-01 23:28:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:28:58,184 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 23:28:58,186 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 23:28:58,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:28:58,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:28:58,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-01 23:28:58,413 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 23:28:58,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 23:28:58,414 INFO L82 PathProgramCache]: Analyzing trace with hash 756137613, now seen corresponding path program 1 times [2021-06-01 23:28:58,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 23:28:58,415 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411078703] [2021-06-01 23:28:58,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 23:28:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:28:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 23:28:58,453 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 23:28:58,454 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411078703] [2021-06-01 23:28:58,454 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411078703] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:28:58,454 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661575066] [2021-06-01 23:28:58,454 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 [2021-06-01 23:28:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:28:58,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-01 23:28:58,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 23:28:58,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 23:28:58,549 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661575066] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:28:58,549 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 23:28:58,549 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-01 23:28:58,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323740520] [2021-06-01 23:28:58,550 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-01 23:28:58,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 23:28:58,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-01 23:28:58,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-01 23:28:58,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:28:58,552 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 23:28:58,552 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 23:28:58,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:28:58,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:28:58,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:28:58,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:28:58,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:28:58,795 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 23:28:58,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 23:28:58,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1614584761, now seen corresponding path program 2 times [2021-06-01 23:28:58,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 23:28:58,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322711858] [2021-06-01 23:28:58,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 23:28:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:28:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-01 23:28:58,833 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 23:28:58,833 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322711858] [2021-06-01 23:28:58,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322711858] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:28:58,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966172580] [2021-06-01 23:28:58,834 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 [2021-06-01 23:28:58,865 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 23:28:58,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 23:28:58,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-01 23:28:58,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 23:28:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-01 23:28:58,919 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966172580] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:28:58,919 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 23:28:58,920 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-01 23:28:58,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306621506] [2021-06-01 23:28:58,920 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-01 23:28:58,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 23:28:58,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-01 23:28:58,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-01 23:28:58,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:28:58,921 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 23:28:58,921 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 23:28:58,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:28:58,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:28:58,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:28:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:28:58,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:28:58,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:28:59,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:28:59,160 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 23:28:59,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 23:28:59,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1714561947, now seen corresponding path program 3 times [2021-06-01 23:28:59,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 23:28:59,161 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080955792] [2021-06-01 23:28:59,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 23:28:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:28:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-01 23:28:59,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 23:28:59,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080955792] [2021-06-01 23:28:59,239 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080955792] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:28:59,239 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453027532] [2021-06-01 23:28:59,239 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) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:28:59,278 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-01 23:28:59,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 23:28:59,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-01 23:28:59,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 23:28:59,373 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-01 23:28:59,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453027532] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:28:59,374 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 23:28:59,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2021-06-01 23:28:59,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840150791] [2021-06-01 23:28:59,375 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-01 23:28:59,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 23:28:59,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-01 23:28:59,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-01 23:28:59,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:28:59,376 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 23:28:59,376 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 23:28:59,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:28:59,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:28:59,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:28:59,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:28:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:28:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:28:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:28:59,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:28:59,636 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:28:59,637 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 23:28:59,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 23:28:59,637 INFO L82 PathProgramCache]: Analyzing trace with hash 2043894648, now seen corresponding path program 4 times [2021-06-01 23:28:59,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 23:28:59,638 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960621920] [2021-06-01 23:28:59,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 23:28:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:28:59,714 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-01 23:28:59,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 23:28:59,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960621920] [2021-06-01 23:28:59,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960621920] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-01 23:28:59,715 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-01 23:28:59,715 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-01 23:28:59,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765194143] [2021-06-01 23:28:59,716 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-01 23:28:59,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 23:28:59,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-01 23:28:59,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-06-01 23:28:59,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:28:59,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 23:28:59,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 23:28:59,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:28:59,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:28:59,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:28:59,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:28:59,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:28:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:28:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:28:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:28:59,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:28:59,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 23:28:59,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-01 23:28:59,765 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 23:28:59,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 23:28:59,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1166593663, now seen corresponding path program 5 times [2021-06-01 23:28:59,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 23:28:59,765 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183110079] [2021-06-01 23:28:59,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 23:28:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:28:59,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 23:28:59,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 23:28:59,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183110079] [2021-06-01 23:28:59,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183110079] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:28:59,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19282270] [2021-06-01 23:28:59,887 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:28:59,924 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-01 23:28:59,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 23:28:59,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-01 23:28:59,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 23:29:00,101 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 23:29:00,101 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19282270] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:29:00,102 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 23:29:00,102 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 11 [2021-06-01 23:29:00,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776453835] [2021-06-01 23:29:00,104 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-01 23:29:00,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 23:29:00,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-01 23:29:00,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-06-01 23:29:00,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:29:00,108 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 23:29:00,108 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 3.0) internal successors, (36), 12 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 23:29:00,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:29:00,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:00,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:00,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:29:00,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 23:29:00,109 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:29:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:29:00,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:00,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:00,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:29:00,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 23:29:00,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 23:29:00,621 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:29:00,622 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 23:29:00,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 23:29:00,622 INFO L82 PathProgramCache]: Analyzing trace with hash 80061441, now seen corresponding path program 6 times [2021-06-01 23:29:00,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 23:29:00,623 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134723690] [2021-06-01 23:29:00,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 23:29:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:29:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 23:29:00,700 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 23:29:00,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134723690] [2021-06-01 23:29:00,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134723690] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:29:00,701 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702118786] [2021-06-01 23:29:00,701 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:29:00,737 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-06-01 23:29:00,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 23:29:00,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-01 23:29:00,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 23:29:00,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-01 23:29:00,822 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702118786] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:29:00,822 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 23:29:00,822 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-01 23:29:00,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175618363] [2021-06-01 23:29:00,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-01 23:29:00,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 23:29:00,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-01 23:29:00,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-06-01 23:29:00,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:29:00,824 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 23:29:00,824 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 23:29:00,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:29:00,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:00,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:00,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:29:00,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 23:29:00,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-01 23:29:00,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:29:01,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:29:01,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:01,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:01,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:29:01,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 23:29:01,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-01 23:29:01,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-01 23:29:01,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:29:01,281 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 23:29:01,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 23:29:01,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1531607051, now seen corresponding path program 7 times [2021-06-01 23:29:01,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 23:29:01,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139366264] [2021-06-01 23:29:01,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 23:29:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:29:01,358 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-01 23:29:01,358 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 23:29:01,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139366264] [2021-06-01 23:29:01,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139366264] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:29:01,359 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264022835] [2021-06-01 23:29:01,359 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:29:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:29:01,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-01 23:29:01,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 23:29:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-01 23:29:01,482 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264022835] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:29:01,483 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 23:29:01,483 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-01 23:29:01,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651542003] [2021-06-01 23:29:01,483 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-01 23:29:01,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 23:29:01,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-01 23:29:01,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-01 23:29:01,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:29:01,484 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 23:29:01,484 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 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) [2021-06-01 23:29:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:29:01,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:01,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:01,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:29:01,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 23:29:01,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-01 23:29:01,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-01 23:29:01,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:29:01,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:29:01,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:29:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 23:29:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 23:29:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 23:29:01,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-01 23:29:02,024 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-01 23:29:02,025 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 23:29:02,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 23:29:02,025 INFO L82 PathProgramCache]: Analyzing trace with hash -2076244351, now seen corresponding path program 8 times [2021-06-01 23:29:02,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 23:29:02,025 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126961845] [2021-06-01 23:29:02,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 23:29:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:29:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-01 23:29:02,103 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 23:29:02,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126961845] [2021-06-01 23:29:02,103 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126961845] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:29:02,103 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700479057] [2021-06-01 23:29:02,103 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:29:02,143 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-01 23:29:02,143 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 23:29:02,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-01 23:29:02,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 23:29:02,203 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-01 23:29:02,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700479057] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:29:02,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 23:29:02,204 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-01 23:29:02,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757878374] [2021-06-01 23:29:02,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-01 23:29:02,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 23:29:02,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-01 23:29:02,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-06-01 23:29:02,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:29:02,205 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 23:29:02,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 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) [2021-06-01 23:29:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:29:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:29:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 23:29:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 23:29:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-01 23:29:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-01 23:29:02,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:29:02,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:29:02,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:02,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:02,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:29:02,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 23:29:02,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 23:29:02,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-01 23:29:02,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-01 23:29:02,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 23:29:02,656 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:29:02,656 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-01 23:29:02,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 23:29:02,657 INFO L82 PathProgramCache]: Analyzing trace with hash 871466101, now seen corresponding path program 9 times [2021-06-01 23:29:02,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 23:29:02,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600559843] [2021-06-01 23:29:02,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 23:29:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-01 23:29:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-01 23:29:02,736 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-01 23:29:02,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600559843] [2021-06-01 23:29:02,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600559843] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:29:02,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977317565] [2021-06-01 23:29:02,736 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:29:02,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-01 23:29:02,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-01 23:29:02,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-01 23:29:02,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-01 23:29:02,851 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-01 23:29:02,851 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977317565] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-01 23:29:02,851 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-01 23:29:02,851 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-01 23:29:02,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612860951] [2021-06-01 23:29:02,851 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-01 23:29:02,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-01 23:29:02,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-01 23:29:02,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-06-01 23:29:02,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:29:02,852 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-01 23:29:02,852 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 23:29:02,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:29:02,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:02,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:02,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:29:02,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-01 23:29:02,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-01 23:29:02,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-01 23:29:02,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-01 23:29:02,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-01 23:29:02,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-01 23:29:03,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-01 23:29:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-01 23:29:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-01 23:29:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-01 23:29:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-01 23:29:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-01 23:29:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-01 23:29:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-01 23:29:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-01 23:29:03,560 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-01 23:29:03,567 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-01 23:29:03,569 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 11:29:03 BasicIcfg [2021-06-01 23:29:03,569 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-01 23:29:03,570 INFO L168 Benchmark]: Toolchain (without parser) took 6134.68 ms. Allocated memory was 367.0 MB in the beginning and 463.5 MB in the end (delta: 96.5 MB). Free memory was 346.2 MB in the beginning and 318.0 MB in the end (delta: 28.2 MB). Peak memory consumption was 127.4 MB. Max. memory is 16.0 GB. [2021-06-01 23:29:03,570 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 367.0 MB. Free memory is still 347.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 23:29:03,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.91 ms. Allocated memory is still 367.0 MB. Free memory was 346.2 MB in the beginning and 344.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 23:29:03,570 INFO L168 Benchmark]: Boogie Preprocessor took 16.25 ms. Allocated memory is still 367.0 MB. Free memory was 344.7 MB in the beginning and 343.8 MB in the end (delta: 905.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 23:29:03,570 INFO L168 Benchmark]: RCFGBuilder took 219.95 ms. Allocated memory is still 367.0 MB. Free memory was 343.7 MB in the beginning and 333.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-06-01 23:29:03,570 INFO L168 Benchmark]: TraceAbstraction took 5866.90 ms. Allocated memory was 367.0 MB in the beginning and 463.5 MB in the end (delta: 96.5 MB). Free memory was 333.2 MB in the beginning and 318.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 112.7 MB. Max. memory is 16.0 GB. [2021-06-01 23:29:03,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 367.0 MB. Free memory is still 347.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 25.91 ms. Allocated memory is still 367.0 MB. Free memory was 346.2 MB in the beginning and 344.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 16.25 ms. Allocated memory is still 367.0 MB. Free memory was 344.7 MB in the beginning and 343.8 MB in the end (delta: 905.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 219.95 ms. Allocated memory is still 367.0 MB. Free memory was 343.7 MB in the beginning and 333.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5866.90 ms. Allocated memory was 367.0 MB in the beginning and 463.5 MB in the end (delta: 96.5 MB). Free memory was 333.2 MB in the beginning and 318.0 MB in the end (delta: 15.2 MB). Peak memory consumption was 112.7 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: 11500, positive: 9182, positive conditional: 9182, positive unconditional: 0, negative: 2318, negative conditional: 2318, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 9650, positive: 9182, positive conditional: 9182, positive unconditional: 0, negative: 468, negative conditional: 468, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 9650, positive: 9182, positive conditional: 0, positive unconditional: 9182, negative: 468, negative conditional: 0, negative unconditional: 468, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 71, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 71, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 114, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 167, negative conditional: 134, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9650, positive: 9114, positive conditional: 0, positive unconditional: 9114, negative: 465, negative conditional: 0, negative unconditional: 465, unknown: 71, unknown conditional: 0, unknown unconditional: 71] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 117, Negative conditional cache size: 114, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 114, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 167, negative conditional: 134, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3990, negative conditional: 1037, negative unconditional: 2953, unknown: 114, unknown conditional: 114, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 117, Negative conditional cache size: 114, Negative unconditional cache size: 3, Eliminated conditions: 2953, SemanticConditionEliminator.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 114, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 167, negative conditional: 134, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3990, negative conditional: 1037, negative unconditional: 2953, unknown: 114, unknown conditional: 114, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 117, Negative conditional cache size: 114, Negative unconditional cache size: 3, Eliminated conditions: 2953, SemanticConditionEliminator.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 114, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 167, negative conditional: 134, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3990, negative conditional: 1037, negative unconditional: 2953, unknown: 114, unknown conditional: 114, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 117, Negative conditional cache size: 114, Negative unconditional cache size: 3, Eliminated conditions: 2953, SemanticConditionEliminator.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 114, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 167, negative conditional: 134, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3990, negative conditional: 1037, negative unconditional: 2953, unknown: 114, unknown conditional: 114, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 117, Negative conditional cache size: 114, Negative unconditional cache size: 3, Eliminated conditions: 2953, SemanticConditionEliminator.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 114, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 167, negative conditional: 134, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3990, negative conditional: 1037, negative unconditional: 2953, unknown: 114, unknown conditional: 114, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 117, Negative conditional cache size: 114, Negative unconditional cache size: 3, Eliminated conditions: 2953, SemanticConditionEliminator.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 114, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 167, negative conditional: 134, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3990, negative conditional: 1037, negative unconditional: 2953, unknown: 114, unknown conditional: 114, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 117, Negative conditional cache size: 114, Negative unconditional cache size: 3, Eliminated conditions: 2953, SemanticConditionEliminator.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 114, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 167, negative conditional: 134, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3990, negative conditional: 1037, negative unconditional: 2953, unknown: 114, unknown conditional: 114, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 117, Negative conditional cache size: 114, Negative unconditional cache size: 3, Eliminated conditions: 2953, SemanticConditionEliminator.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 114, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 167, negative conditional: 134, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3990, negative conditional: 1037, negative unconditional: 2953, unknown: 114, unknown conditional: 114, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 117, Negative conditional cache size: 114, Negative unconditional cache size: 3, Eliminated conditions: 2953, SemanticConditionEliminator.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 114, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 167, negative conditional: 134, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3990, negative conditional: 1037, negative unconditional: 2953, unknown: 114, unknown conditional: 114, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 117, Negative conditional cache size: 114, Negative unconditional cache size: 3, Eliminated conditions: 2953, SemanticConditionEliminator.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4104, negative conditional: 1151, negative unconditional: 2953, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 117, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 117, negative conditional: 114, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 167, negative conditional: 134, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4104, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3990, negative conditional: 1037, negative unconditional: 2953, unknown: 114, unknown conditional: 114, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 185, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 117, Negative conditional cache size: 114, Negative unconditional cache size: 3, Eliminated conditions: 2953 ], Maximal queried relation: 10, Independence queries for same thread: 1850 - PositiveResult [Line: 22]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 39 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5744.3ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.4ms, PartialOrderReductionTime: 1778.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 97, 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: 56.0ms SsaConstructionTime, 187.5ms SatisfiabilityAnalysisTime, 1373.4ms InterpolantComputationTime, 608 NumberOfCodeBlocks, 600 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 589 ConstructedInterpolants, 0 QuantifiedInterpolants, 1515 SizeOfPredicates, 38 NumberOfNonLiveVariables, 483 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 19 InterpolantComputations, 2 PerfectInterpolantSequences, 330/451 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...