/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 01:53:22,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 01:53:22,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 01:53:22,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-07 01:53:22,155 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-Random7777.epf [2021-06-07 01:53:22,188 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 01:53:22,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 01:53:22,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 01:53:22,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 01:53:22,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 01:53:22,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 01:53:22,191 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 01:53:22,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 01:53:22,191 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 01:53:22,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 01:53:22,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 01:53:22,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 01:53:22,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 01:53:22,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 01:53:22,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 01:53:22,193 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 01:53:22,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 01:53:22,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 01:53:22,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 01:53:22,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 01:53:22,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 01:53:22,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 01:53:22,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 01:53:22,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 01:53:22,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 01:53:22,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 01:53:22,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 01:53:22,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 01:53:22,195 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 01:53:22,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 01:53:22,195 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 01:53:22,195 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 01:53:22,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 01:53:22,195 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 01:53:22,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 01:53:22,196 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 01:53:22,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 01:53:22,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 01:53:22,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 01:53:22,541 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 01:53:22,542 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 01:53:22,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl [2021-06-07 01:53:22,543 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/NonAtomicIncrement_2Threads_Loop.bpl' [2021-06-07 01:53:22,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 01:53:22,567 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 01:53:22,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 01:53:22,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 01:53:22,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 01:53:22,578 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 07.06 01:53:22" (1/1) ... [2021-06-07 01:53:22,584 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 07.06 01:53:22" (1/1) ... [2021-06-07 01:53:22,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 01:53:22,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 01:53:22,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 01:53:22,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 01:53:22,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 01:53:22" (1/1) ... [2021-06-07 01:53:22,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 01:53:22" (1/1) ... [2021-06-07 01:53:22,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 01:53:22" (1/1) ... [2021-06-07 01:53:22,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 01:53:22" (1/1) ... [2021-06-07 01:53:22,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 01:53:22" (1/1) ... [2021-06-07 01:53:22,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 01:53:22" (1/1) ... [2021-06-07 01:53:22,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 01:53:22" (1/1) ... [2021-06-07 01:53:22,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 01:53:22,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 01:53:22,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 01:53:22,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 01:53:22,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 01:53:22" (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 [2021-06-07 01:53:22,666 INFO L130 BoogieDeclarations]: Found specification of procedure fistIncrementProcess [2021-06-07 01:53:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure fistIncrementProcess [2021-06-07 01:53:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 01:53:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 01:53:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure secondIncrementProcess [2021-06-07 01:53:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure secondIncrementProcess [2021-06-07 01:53:22,668 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 01:53:22,831 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 01:53:22,831 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-07 01:53:22,833 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:53:22 BoogieIcfgContainer [2021-06-07 01:53:22,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 01:53:22,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 01:53:22,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 01:53:22,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 01:53:22,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 01:53:22" (1/2) ... [2021-06-07 01:53:22,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ca6fbab and model type NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 01:53:22, skipping insertion in model container [2021-06-07 01:53:22,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 01:53:22" (2/2) ... [2021-06-07 01:53:22,840 INFO L111 eAbstractionObserver]: Analyzing ICFG NonAtomicIncrement_2Threads_Loop.bpl [2021-06-07 01:53:22,849 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 01:53:22,850 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 01:53:22,850 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 01:53:22,852 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 01:53:22,899 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,899 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,900 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,900 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,900 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,900 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,900 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,901 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,901 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,901 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,901 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,901 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,902 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,902 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,902 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,902 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,902 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,903 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,903 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,903 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,903 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,903 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,904 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,904 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,904 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,904 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,904 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,904 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,906 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,906 WARN L313 ript$VariableManager]: TermVariabe fistIncrementProcessThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,911 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_localx not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,911 WARN L313 ript$VariableManager]: TermVariabe secondIncrementProcessThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-07 01:53:22,941 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-06-07 01:53:22,960 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 [2021-06-07 01:53:23,064 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 01:53:23,064 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 01:53:23,065 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 01:53:23,065 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 01:53:23,065 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 01:53:23,065 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 01:53:23,065 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 01:53:23,065 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 01:53:23,104 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 01:53:23,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:53:23,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1097153999, now seen corresponding path program 1 times [2021-06-07 01:53:23,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:53:23,119 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371583789] [2021-06-07 01:53:23,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:53:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:53:23,235 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:53:23,235 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371583789] [2021-06-07 01:53:23,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371583789] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:53:23,236 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:53:23,236 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 01:53:23,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174821618] [2021-06-07 01:53:23,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 01:53:23,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:53:23,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 01:53:23,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 01:53:23,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:23,259 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:53:23,266 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-06-07 01:53:23,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:23,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:23,305 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 01:53:23,306 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 01:53:23,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:53:23,310 INFO L82 PathProgramCache]: Analyzing trace with hash 90735460, now seen corresponding path program 1 times [2021-06-07 01:53:23,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:53:23,311 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885985239] [2021-06-07 01:53:23,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:53:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:53:23,333 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:53:23,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885985239] [2021-06-07 01:53:23,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885985239] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:53:23,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:53:23,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 01:53:23,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739669387] [2021-06-07 01:53:23,336 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 01:53:23,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:53:23,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 01:53:23,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 01:53:23,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:23,339 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:53:23,339 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2021-06-07 01:53:23,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:23,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:23,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:23,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:23,383 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-07 01:53:23,383 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 01:53:23,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:53:23,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1173206385, now seen corresponding path program 1 times [2021-06-07 01:53:23,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:53:23,384 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919709428] [2021-06-07 01:53:23,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:53:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:53:23,415 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:53:23,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919709428] [2021-06-07 01:53:23,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919709428] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:23,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663615208] [2021-06-07 01:53:23,416 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 [2021-06-07 01:53:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:23,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-07 01:53:23,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 01:53:23,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:53:23,528 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663615208] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:23,528 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 01:53:23,528 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-06-07 01:53:23,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384476141] [2021-06-07 01:53:23,529 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-07 01:53:23,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:53:23,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-07 01:53:23,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-07 01:53:23,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:23,530 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:53:23,530 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) [2021-06-07 01:53:23,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:23,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:23,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:23,765 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 01:53:23,765 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 01:53:23,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:53:23,765 INFO L82 PathProgramCache]: Analyzing trace with hash -496304114, now seen corresponding path program 2 times [2021-06-07 01:53:23,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:53:23,766 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838305580] [2021-06-07 01:53:23,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:53:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-07 01:53:23,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:53:23,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838305580] [2021-06-07 01:53:23,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838305580] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:23,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191629623] [2021-06-07 01:53:23,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 01:53:23,851 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 01:53:23,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 01:53:23,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-07 01:53:23,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 01:53:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:53:23,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191629623] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:23,959 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 01:53:23,959 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-06-07 01:53:23,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998802730] [2021-06-07 01:53:23,961 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:53:23,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:53:23,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:53:23,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-06-07 01:53:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:23,962 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:53:23,962 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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) [2021-06-07 01:53:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:23,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:24,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:24,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:24,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:24,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 01:53:24,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 01:53:24,252 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 01:53:24,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:53:24,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1840614098, now seen corresponding path program 3 times [2021-06-07 01:53:24,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:53:24,253 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411153321] [2021-06-07 01:53:24,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:53:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-07 01:53:24,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:53:24,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411153321] [2021-06-07 01:53:24,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411153321] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:24,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982675626] [2021-06-07 01:53:24,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 01:53:24,369 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 01:53:24,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 01:53:24,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-07 01:53:24,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 01:53:24,461 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-07 01:53:24,461 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982675626] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:53:24,461 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-07 01:53:24,461 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2021-06-07 01:53:24,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226545852] [2021-06-07 01:53:24,462 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-07 01:53:24,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:53:24,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-07 01:53:24,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-06-07 01:53:24,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:24,463 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:53:24,463 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2021-06-07 01:53:24,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:24,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:24,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:24,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 01:53:24,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:24,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 01:53:24,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 01:53:24,784 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 01:53:24,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:53:24,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1771648668, now seen corresponding path program 4 times [2021-06-07 01:53:24,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:53:24,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751649556] [2021-06-07 01:53:24,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:53:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:24,842 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-07 01:53:24,842 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:53:24,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751649556] [2021-06-07 01:53:24,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751649556] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:24,842 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832560788] [2021-06-07 01:53:24,843 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST 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 [2021-06-07 01:53:24,891 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 01:53:24,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 01:53:24,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-07 01:53:24,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 01:53:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:53:25,077 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832560788] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:25,077 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 01:53:25,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 14 [2021-06-07 01:53:25,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337099752] [2021-06-07 01:53:25,079 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-07 01:53:25,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:53:25,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-07 01:53:25,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-06-07 01:53:25,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:25,081 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:53:25,082 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 14 states have internal predecessors, (57), 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) [2021-06-07 01:53:25,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:25,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:25,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:25,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:25,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 01:53:25,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:25,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:25,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 01:53:25,563 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-07 01:53:25,563 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 01:53:25,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:53:25,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1869714720, now seen corresponding path program 1 times [2021-06-07 01:53:25,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:53:25,564 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031077944] [2021-06-07 01:53:25,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:53:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:25,611 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-06-07 01:53:25,611 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:53:25,612 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031077944] [2021-06-07 01:53:25,612 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031077944] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:53:25,612 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 01:53:25,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-07 01:53:25,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344697831] [2021-06-07 01:53:25,612 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-07 01:53:25,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:53:25,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-07 01:53:25,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-07 01:53:25,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:25,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:53:25,613 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-06-07 01:53:25,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:25,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:25,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:25,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:25,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:25,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 01:53:25,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:25,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:25,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:25,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:25,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:25,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:25,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-07 01:53:25,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:25,633 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-07 01:53:25,633 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 01:53:25,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:53:25,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1522544790, now seen corresponding path program 5 times [2021-06-07 01:53:25,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:53:25,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025367253] [2021-06-07 01:53:25,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:53:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 47 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:53:25,825 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:53:25,825 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025367253] [2021-06-07 01:53:25,825 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025367253] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:25,825 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281301733] [2021-06-07 01:53:25,826 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 [2021-06-07 01:53:25,866 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-07 01:53:25,867 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 01:53:25,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 01:53:25,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 01:53:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 01:53:26,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281301733] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 01:53:26,060 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-07 01:53:26,061 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 24 [2021-06-07 01:53:26,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542333667] [2021-06-07 01:53:26,061 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-07 01:53:26,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:53:26,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-07 01:53:26,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=458, Unknown=0, NotChecked=0, Total=552 [2021-06-07 01:53:26,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:26,062 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:53:26,062 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 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) [2021-06-07 01:53:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:26,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:26,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:26,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:26,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-07 01:53:26,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:26,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:26,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-07 01:53:26,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:26,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:53:26,517 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 01:53:26,518 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 01:53:26,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:53:26,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1078634097, now seen corresponding path program 6 times [2021-06-07 01:53:26,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:53:26,518 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466132182] [2021-06-07 01:53:26,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:53:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-07 01:53:26,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:53:26,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466132182] [2021-06-07 01:53:26,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466132182] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:26,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081846390] [2021-06-07 01:53:26,585 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 [2021-06-07 01:53:26,649 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-07 01:53:26,650 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 01:53:26,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-07 01:53:26,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 01:53:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-07 01:53:26,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081846390] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:26,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 01:53:26,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-07 01:53:26,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336577396] [2021-06-07 01:53:26,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 01:53:26,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:53:26,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 01:53:26,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-07 01:53:26,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:26,735 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:53:26,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:53:26,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:26,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:26,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:26,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:26,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:26,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-07 01:53:26,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:26,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:53:26,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 01:53:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:26,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-06-07 01:53:26,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:26,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:53:26,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 01:53:27,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 01:53:27,205 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 01:53:27,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:53:27,205 INFO L82 PathProgramCache]: Analyzing trace with hash 604097823, now seen corresponding path program 7 times [2021-06-07 01:53:27,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:53:27,205 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859266465] [2021-06-07 01:53:27,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:53:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:27,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-07 01:53:27,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:53:27,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859266465] [2021-06-07 01:53:27,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859266465] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:27,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813237908] [2021-06-07 01:53:27,287 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 [2021-06-07 01:53:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:27,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-07 01:53:27,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 01:53:27,407 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-07 01:53:27,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813237908] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:27,410 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 01:53:27,410 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2021-06-07 01:53:27,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7235704] [2021-06-07 01:53:27,413 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 01:53:27,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:53:27,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 01:53:27,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-06-07 01:53:27,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:27,416 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:53:27,416 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:53:27,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:27,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:27,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:27,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 01:53:27,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:27,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-06-07 01:53:27,416 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:27,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:53:27,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 01:53:27,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:53:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-07 01:53:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:53:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 01:53:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 01:53:28,113 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-07 01:53:28,113 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 01:53:28,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:53:28,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1574616289, now seen corresponding path program 8 times [2021-06-07 01:53:28,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:53:28,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172828192] [2021-06-07 01:53:28,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:53:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-07 01:53:28,180 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:53:28,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172828192] [2021-06-07 01:53:28,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172828192] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:28,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834183537] [2021-06-07 01:53:28,181 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 [2021-06-07 01:53:28,211 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 01:53:28,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 01:53:28,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-07 01:53:28,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 01:53:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-07 01:53:28,286 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834183537] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:28,286 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 01:53:28,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-07 01:53:28,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725843026] [2021-06-07 01:53:28,287 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 01:53:28,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:53:28,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 01:53:28,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-07 01:53:28,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:28,288 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:53:28,288 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 01:53:28,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:28,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:28,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:28,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:53:28,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:28,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-07 01:53:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:53:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 01:53:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 01:53:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:28,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:28,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:28,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:28,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:53:28,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:28,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-06-07 01:53:28,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:28,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:53:28,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 01:53:28,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 01:53:28,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:53:28,752 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 01:53:28,753 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 01:53:28,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 01:53:28,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1970460237, now seen corresponding path program 9 times [2021-06-07 01:53:28,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 01:53:28,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66368843] [2021-06-07 01:53:28,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 01:53:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 01:53:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-07 01:53:28,806 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 01:53:28,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66368843] [2021-06-07 01:53:28,807 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66368843] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:28,807 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338237050] [2021-06-07 01:53:28,807 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 [2021-06-07 01:53:28,832 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-07 01:53:28,832 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 01:53:28,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-06-07 01:53:28,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 01:53:28,906 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-07 01:53:28,906 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338237050] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 01:53:28,906 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 01:53:28,906 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-06-07 01:53:28,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936906467] [2021-06-07 01:53:28,907 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 01:53:28,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 01:53:28,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 01:53:28,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-06-07 01:53:28,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:28,908 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 01:53:28,908 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 8 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) [2021-06-07 01:53:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:53:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-06-07 01:53:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:53:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-07 01:53:28,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 01:53:28,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:53:28,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 01:53:29,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:29,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:29,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 01:53:29,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:53:29,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-07 01:53:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-06-07 01:53:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-07 01:53:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 01:53:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 01:53:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 01:53:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 01:53:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-07 01:53:29,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 01:53:29,629 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-07 01:53:29,630 INFO L202 PluginConnector]: Adding new model NonAtomicIncrement_2Threads_Loop.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.06 01:53:29 BasicIcfg [2021-06-07 01:53:29,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-07 01:53:29,631 INFO L168 Benchmark]: Toolchain (without parser) took 7063.88 ms. Allocated memory was 343.9 MB in the beginning and 413.1 MB in the end (delta: 69.2 MB). Free memory was 323.3 MB in the beginning and 284.1 MB in the end (delta: 39.2 MB). Peak memory consumption was 111.5 MB. Max. memory is 16.0 GB. [2021-06-07 01:53:29,631 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 343.9 MB. Free memory is still 324.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-07 01:53:29,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.24 ms. Allocated memory is still 343.9 MB. Free memory was 323.3 MB in the beginning and 321.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 01:53:29,631 INFO L168 Benchmark]: Boogie Preprocessor took 17.99 ms. Allocated memory is still 343.9 MB. Free memory was 321.8 MB in the beginning and 320.9 MB in the end (delta: 903.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-07 01:53:29,631 INFO L168 Benchmark]: RCFGBuilder took 221.46 ms. Allocated memory is still 343.9 MB. Free memory was 320.8 MB in the beginning and 310.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-06-07 01:53:29,631 INFO L168 Benchmark]: TraceAbstraction took 6795.71 ms. Allocated memory was 343.9 MB in the beginning and 413.1 MB in the end (delta: 69.2 MB). Free memory was 310.4 MB in the beginning and 284.1 MB in the end (delta: 26.3 MB). Peak memory consumption was 96.8 MB. Max. memory is 16.0 GB. [2021-06-07 01:53:29,632 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 0.15 ms. Allocated memory is still 343.9 MB. Free memory is still 324.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.24 ms. Allocated memory is still 343.9 MB. Free memory was 323.3 MB in the beginning and 321.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.99 ms. Allocated memory is still 343.9 MB. Free memory was 321.8 MB in the beginning and 320.9 MB in the end (delta: 903.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 221.46 ms. Allocated memory is still 343.9 MB. Free memory was 320.8 MB in the beginning and 310.9 MB in the end (delta: 9.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6795.71 ms. Allocated memory was 343.9 MB in the beginning and 413.1 MB in the end (delta: 69.2 MB). Free memory was 310.4 MB in the beginning and 284.1 MB in the end (delta: 26.3 MB). Peak memory consumption was 96.8 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: 9063, positive: 7153, positive conditional: 7153, positive unconditional: 0, negative: 1910, negative conditional: 1910, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7530, positive: 7153, positive conditional: 7153, positive unconditional: 0, negative: 377, negative conditional: 377, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7530, positive: 7153, positive conditional: 0, positive unconditional: 7153, negative: 377, negative conditional: 0, negative unconditional: 377, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 111, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 111, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7530, positive: 7046, positive conditional: 0, positive unconditional: 7046, negative: 373, negative conditional: 0, negative unconditional: 373, unknown: 111, unknown conditional: 0, unknown unconditional: 111] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3767, negative conditional: 857, negative unconditional: 2910, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, Eliminated conditions: 2910, SemanticConditionEliminator.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3767, negative conditional: 857, negative unconditional: 2910, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, Eliminated conditions: 2910, SemanticConditionEliminator.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3767, negative conditional: 857, negative unconditional: 2910, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, Eliminated conditions: 2910, SemanticConditionEliminator.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3767, negative conditional: 857, negative unconditional: 2910, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, Eliminated conditions: 2910, SemanticConditionEliminator.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3767, negative conditional: 857, negative unconditional: 2910, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, Eliminated conditions: 2910, SemanticConditionEliminator.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3767, negative conditional: 857, negative unconditional: 2910, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, Eliminated conditions: 2910, SemanticConditionEliminator.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3767, negative conditional: 857, negative unconditional: 2910, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, Eliminated conditions: 2910, SemanticConditionEliminator.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3767, negative conditional: 857, negative unconditional: 2910, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, Eliminated conditions: 2910, SemanticConditionEliminator.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3767, negative conditional: 857, negative unconditional: 2910, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, Eliminated conditions: 2910, SemanticConditionEliminator.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3767, negative conditional: 857, negative unconditional: 2910, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, Eliminated conditions: 2910, SemanticConditionEliminator.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3767, negative conditional: 857, negative unconditional: 2910, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, Eliminated conditions: 2910, SemanticConditionEliminator.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3902, negative conditional: 992, negative unconditional: 2910, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 135, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 226, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 226, negative conditional: 204, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3902, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3767, negative conditional: 857, negative unconditional: 2910, unknown: 135, unknown conditional: 135, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 246, Positive cache size: 107, Positive conditional cache size: 0, Positive unconditional cache size: 107, Negative cache size: 139, Negative conditional cache size: 135, Negative unconditional cache size: 4, Eliminated conditions: 2910 ], Maximal queried relation: 12, Independence queries for same thread: 1533 - 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: 6653.4ms, OverallIterations: 12, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.0ms, PartialOrderReductionTime: 2308.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 143, 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: 52.2ms SsaConstructionTime, 225.5ms SatisfiabilityAnalysisTime, 1590.2ms InterpolantComputationTime, 676 NumberOfCodeBlocks, 664 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 655 ConstructedInterpolants, 0 QuantifiedInterpolants, 1829 SizeOfPredicates, 38 NumberOfNonLiveVariables, 504 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 21 InterpolantComputations, 5 PerfectInterpolantSequences, 434/586 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...