/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-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 20:12:05,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 20:12:05,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 20:12:05,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 20:12:05,666 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-Random521.epf [2021-06-06 20:12:05,692 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 20:12:05,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 20:12:05,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 20:12:05,694 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 20:12:05,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 20:12:05,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 20:12:05,696 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 20:12:05,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 20:12:05,696 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 20:12:05,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 20:12:05,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 20:12:05,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 20:12:05,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 20:12:05,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 20:12:05,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 20:12:05,698 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 20:12:05,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 20:12:05,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 20:12:05,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 20:12:05,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 20:12:05,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 20:12:05,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 20:12:05,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 20:12:05,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 20:12:05,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 20:12:05,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 20:12:05,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 20:12:05,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 20:12:05,699 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 20:12:05,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 20:12:05,700 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 20:12:05,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 20:12:05,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 20:12:05,700 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 20:12:05,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 20:12:05,700 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 20:12:06,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 20:12:06,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 20:12:06,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 20:12:06,119 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 20:12:06,120 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 20:12:06,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl [2021-06-06 20:12:06,121 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/showcase/Fischer.bpl' [2021-06-06 20:12:06,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 20:12:06,159 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 20:12:06,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 20:12:06,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 20:12:06,168 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 20:12:06,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:12:06" (1/1) ... [2021-06-06 20:12:06,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:12:06" (1/1) ... [2021-06-06 20:12:06,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 20:12:06,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 20:12:06,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 20:12:06,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 20:12:06,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:12:06" (1/1) ... [2021-06-06 20:12:06,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:12:06" (1/1) ... [2021-06-06 20:12:06,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:12:06" (1/1) ... [2021-06-06 20:12:06,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:12:06" (1/1) ... [2021-06-06 20:12:06,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:12:06" (1/1) ... [2021-06-06 20:12:06,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:12:06" (1/1) ... [2021-06-06 20:12:06,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:12:06" (1/1) ... [2021-06-06 20:12:06,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 20:12:06,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 20:12:06,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 20:12:06,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 20:12:06,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:12:06" (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 [2021-06-06 20:12:06,353 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process2 given in one single declaration [2021-06-06 20:12:06,353 INFO L130 BoogieDeclarations]: Found specification of procedure Process2 [2021-06-06 20:12:06,353 INFO L138 BoogieDeclarations]: Found implementation of procedure Process2 [2021-06-06 20:12:06,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Process1 given in one single declaration [2021-06-06 20:12:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure Process1 [2021-06-06 20:12:06,354 INFO L138 BoogieDeclarations]: Found implementation of procedure Process1 [2021-06-06 20:12:06,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 20:12:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 20:12:06,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 20:12:06,354 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Clock given in one single declaration [2021-06-06 20:12:06,354 INFO L130 BoogieDeclarations]: Found specification of procedure Clock [2021-06-06 20:12:06,355 INFO L138 BoogieDeclarations]: Found implementation of procedure Clock [2021-06-06 20:12:06,356 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 20:12:06,690 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 20:12:06,690 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-06 20:12:06,691 INFO L202 PluginConnector]: Adding new model Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:12:06 BoogieIcfgContainer [2021-06-06 20:12:06,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 20:12:06,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 20:12:06,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 20:12:06,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 20:12:06,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Fischer.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 08:12:06" (1/2) ... [2021-06-06 20:12:06,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b39500b and model type Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 08:12:06, skipping insertion in model container [2021-06-06 20:12:06,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 08:12:06" (2/2) ... [2021-06-06 20:12:06,708 INFO L111 eAbstractionObserver]: Analyzing ICFG Fischer.bpl [2021-06-06 20:12:06,729 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 20:12:06,729 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 20:12:06,729 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-06-06 20:12:06,730 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 20:12:06,766 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,767 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,768 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,768 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,768 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,768 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,769 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,769 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,770 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,770 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,771 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,771 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,771 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,772 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,772 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,772 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,778 WARN L313 ript$VariableManager]: TermVariabe Process1Thread1of1ForFork1_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,779 WARN L313 ript$VariableManager]: TermVariabe Process2Thread1of1ForFork2_deadline not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 20:12:06,780 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 20:12:06,817 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 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 [2021-06-06 20:12:06,896 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 20:12:06,896 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 20:12:06,896 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 20:12:06,896 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 20:12:06,897 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 20:12:06,897 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 20:12:06,897 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 20:12:06,897 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process2Thread1of1ForFork2======== [2021-06-06 20:12:06,999 INFO L430 AbstractCegarLoop]: === Iteration 1 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:07,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:07,004 INFO L82 PathProgramCache]: Analyzing trace with hash -2085065665, now seen corresponding path program 1 times [2021-06-06 20:12:07,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:07,017 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851232112] [2021-06-06 20:12:07,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:07,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 20:12:07,128 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:07,129 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851232112] [2021-06-06 20:12:07,130 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851232112] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:07,130 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:07,130 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 20:12:07,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713963791] [2021-06-06 20:12:07,134 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-06 20:12:07,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:07,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-06 20:12:07,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-06 20:12:07,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,151 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:07,157 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 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) [2021-06-06 20:12:07,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,180 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 20:12:07,180 INFO L430 AbstractCegarLoop]: === Iteration 2 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:07,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:07,184 INFO L82 PathProgramCache]: Analyzing trace with hash -382324950, now seen corresponding path program 1 times [2021-06-06 20:12:07,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:07,185 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099185250] [2021-06-06 20:12:07,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:12:07,253 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:07,253 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099185250] [2021-06-06 20:12:07,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099185250] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:07,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:07,253 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 20:12:07,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134546244] [2021-06-06 20:12:07,254 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 20:12:07,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:07,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 20:12:07,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 20:12:07,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,256 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:07,256 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-06-06 20:12:07,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,390 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 20:12:07,390 INFO L430 AbstractCegarLoop]: === Iteration 3 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:07,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:07,391 INFO L82 PathProgramCache]: Analyzing trace with hash 53215344, now seen corresponding path program 1 times [2021-06-06 20:12:07,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:07,392 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357110632] [2021-06-06 20:12:07,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:12:07,439 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:07,439 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357110632] [2021-06-06 20:12:07,440 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357110632] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:07,440 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:07,440 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 20:12:07,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705292679] [2021-06-06 20:12:07,440 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 20:12:07,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:07,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 20:12:07,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 20:12:07,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,442 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:07,442 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2021-06-06 20:12:07,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 20:12:07,508 INFO L430 AbstractCegarLoop]: === Iteration 4 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:07,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:07,509 INFO L82 PathProgramCache]: Analyzing trace with hash -455995341, now seen corresponding path program 1 times [2021-06-06 20:12:07,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:07,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295209525] [2021-06-06 20:12:07,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:07,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:12:07,560 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:07,560 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295209525] [2021-06-06 20:12:07,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295209525] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:07,561 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:07,561 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 20:12:07,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304501726] [2021-06-06 20:12:07,565 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 20:12:07,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:07,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 20:12:07,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 20:12:07,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,569 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:07,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:12:07,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,628 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 20:12:07,628 INFO L430 AbstractCegarLoop]: === Iteration 5 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:07,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:07,629 INFO L82 PathProgramCache]: Analyzing trace with hash -335526582, now seen corresponding path program 1 times [2021-06-06 20:12:07,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:07,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782290449] [2021-06-06 20:12:07,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-06-06 20:12:07,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:07,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782290449] [2021-06-06 20:12:07,682 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782290449] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:07,682 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:07,682 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 20:12:07,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586824045] [2021-06-06 20:12:07,683 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 20:12:07,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:07,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 20:12:07,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 20:12:07,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,684 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:07,684 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-06-06 20:12:07,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,802 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 20:12:07,802 INFO L430 AbstractCegarLoop]: === Iteration 6 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:07,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:07,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1513352898, now seen corresponding path program 2 times [2021-06-06 20:12:07,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:07,804 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954761055] [2021-06-06 20:12:07,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:07,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-06 20:12:07,854 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:07,854 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954761055] [2021-06-06 20:12:07,855 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954761055] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:07,855 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:07,855 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 20:12:07,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349289442] [2021-06-06 20:12:07,859 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 20:12:07,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:07,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 20:12:07,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 20:12:07,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,860 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:07,861 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2021-06-06 20:12:07,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:07,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:07,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:08,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:08,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:08,032 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-06 20:12:08,033 INFO L430 AbstractCegarLoop]: === Iteration 7 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:08,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:08,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1830193686, now seen corresponding path program 1 times [2021-06-06 20:12:08,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:08,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211918054] [2021-06-06 20:12:08,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:12:08,110 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:08,110 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211918054] [2021-06-06 20:12:08,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211918054] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:08,111 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:08,111 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 20:12:08,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765349288] [2021-06-06 20:12:08,111 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 20:12:08,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:08,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 20:12:08,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 20:12:08,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:08,113 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:08,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2021-06-06 20:12:08,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:08,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:08,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:08,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:08,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:08,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:12:08,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-06 20:12:08,393 INFO L430 AbstractCegarLoop]: === Iteration 8 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:08,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:08,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1636053963, now seen corresponding path program 1 times [2021-06-06 20:12:08,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:08,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193543955] [2021-06-06 20:12:08,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-06 20:12:08,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:08,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193543955] [2021-06-06 20:12:08,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193543955] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:08,418 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:08,418 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 20:12:08,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775913876] [2021-06-06 20:12:08,418 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 20:12:08,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:08,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 20:12:08,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 20:12:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:08,419 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:08,419 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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) [2021-06-06 20:12:08,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:08,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:08,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:12:08,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:08,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:08,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:08,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:12:08,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:08,508 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-06 20:12:08,508 INFO L430 AbstractCegarLoop]: === Iteration 9 === [Process2Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:08,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:08,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1984802007, now seen corresponding path program 2 times [2021-06-06 20:12:08,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:08,509 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388663912] [2021-06-06 20:12:08,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-06 20:12:08,574 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:08,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388663912] [2021-06-06 20:12:08,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388663912] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:12:08,574 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955023702] [2021-06-06 20:12:08,574 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 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 [2021-06-06 20:12:08,636 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 20:12:08,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 20:12:08,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 20:12:08,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:12:08,971 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:12:08,971 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955023702] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:12:08,971 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:12:08,971 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 10 [2021-06-06 20:12:08,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144650097] [2021-06-06 20:12:08,973 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-06 20:12:08,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:08,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-06 20:12:08,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-06-06 20:12:08,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:08,974 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:08,974 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 6.7) internal successors, (67), 10 states have internal predecessors, (67), 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) [2021-06-06 20:12:08,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:08,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:08,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:08,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:12:08,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:08,975 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:09,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:09,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:09,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:09,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:12:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-06-06 20:12:10,022 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 20:12:10,028 INFO L301 ceAbstractionStarter]: Result for error location Process2Thread1of1ForFork2 was SAFE (1/5) [2021-06-06 20:12:10,030 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-06 20:12:10,060 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 20:12:10,061 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 20:12:10,061 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 20:12:10,061 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 20:12:10,061 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 20:12:10,061 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 20:12:10,061 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 20:12:10,061 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process2======== Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 20:12:10,275 INFO L301 ceAbstractionStarter]: Result for error location Process2 was SAFE (2/5) [2021-06-06 20:12:10,276 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 20:12:10,288 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 20:12:10,288 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 20:12:10,288 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 20:12:10,288 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 20:12:10,288 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 20:12:10,288 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 20:12:10,288 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 20:12:10,288 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process1======== [2021-06-06 20:12:10,450 INFO L301 ceAbstractionStarter]: Result for error location Process1 was SAFE (3/5) [2021-06-06 20:12:10,450 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 20:12:10,454 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 20:12:10,455 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 20:12:10,455 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 20:12:10,455 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 20:12:10,455 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 20:12:10,455 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 20:12:10,455 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 20:12:10,455 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 20:12:10,781 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-06 20:12:10,781 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 20:12:10,785 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 20:12:10,785 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 20:12:10,785 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 20:12:10,785 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 20:12:10,785 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 20:12:10,786 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 20:12:10,786 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 20:12:10,786 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == Process1Thread1of1ForFork1======== [2021-06-06 20:12:10,787 INFO L430 AbstractCegarLoop]: === Iteration 1 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:10,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:10,788 INFO L82 PathProgramCache]: Analyzing trace with hash 557185482, now seen corresponding path program 1 times [2021-06-06 20:12:10,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:10,788 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352517273] [2021-06-06 20:12:10,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:12:10,792 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:10,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352517273] [2021-06-06 20:12:10,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352517273] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:10,793 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:10,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 20:12:10,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456144479] [2021-06-06 20:12:10,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-06 20:12:10,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:10,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-06 20:12:10,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-06 20:12:10,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,794 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:10,794 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2021-06-06 20:12:10,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,795 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-06 20:12:10,795 INFO L430 AbstractCegarLoop]: === Iteration 2 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:10,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:10,796 INFO L82 PathProgramCache]: Analyzing trace with hash -559778971, now seen corresponding path program 1 times [2021-06-06 20:12:10,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:10,796 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746116319] [2021-06-06 20:12:10,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:10,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 20:12:10,803 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:10,804 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746116319] [2021-06-06 20:12:10,804 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746116319] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:10,804 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:10,804 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-06 20:12:10,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335312414] [2021-06-06 20:12:10,804 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 20:12:10,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:10,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 20:12:10,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 20:12:10,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,805 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:10,805 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2021-06-06 20:12:10,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:10,924 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-06 20:12:10,924 INFO L430 AbstractCegarLoop]: === Iteration 3 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:10,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:10,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1199741523, now seen corresponding path program 1 times [2021-06-06 20:12:10,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:10,925 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164267714] [2021-06-06 20:12:10,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-06 20:12:10,937 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:10,937 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164267714] [2021-06-06 20:12:10,937 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164267714] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:10,937 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:10,937 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 20:12:10,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557308452] [2021-06-06 20:12:10,938 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 20:12:10,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:10,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 20:12:10,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 20:12:10,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,939 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:10,939 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 20:12:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:10,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:10,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:10,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-06 20:12:10,969 INFO L430 AbstractCegarLoop]: === Iteration 4 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:10,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:10,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1827114032, now seen corresponding path program 1 times [2021-06-06 20:12:10,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:10,970 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452065505] [2021-06-06 20:12:10,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:10,983 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-06 20:12:10,983 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:10,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452065505] [2021-06-06 20:12:10,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452065505] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:10,984 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:10,984 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 20:12:10,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679383058] [2021-06-06 20:12:10,984 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 20:12:10,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:10,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 20:12:10,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 20:12:10,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,985 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:10,985 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2021-06-06 20:12:10,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:10,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:10,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:10,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,029 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-06 20:12:11,029 INFO L430 AbstractCegarLoop]: === Iteration 5 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:11,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:11,029 INFO L82 PathProgramCache]: Analyzing trace with hash 2020222108, now seen corresponding path program 2 times [2021-06-06 20:12:11,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:11,030 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616070367] [2021-06-06 20:12:11,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:11,048 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-06-06 20:12:11,049 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:11,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616070367] [2021-06-06 20:12:11,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616070367] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:11,049 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:11,049 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-06 20:12:11,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957783365] [2021-06-06 20:12:11,050 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 20:12:11,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:11,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 20:12:11,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 20:12:11,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,050 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:11,051 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-06-06 20:12:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,090 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-06 20:12:11,090 INFO L430 AbstractCegarLoop]: === Iteration 6 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:11,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:11,091 INFO L82 PathProgramCache]: Analyzing trace with hash 976118176, now seen corresponding path program 3 times [2021-06-06 20:12:11,091 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:11,091 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540383277] [2021-06-06 20:12:11,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-06 20:12:11,113 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:11,114 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540383277] [2021-06-06 20:12:11,114 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540383277] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:11,114 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:11,114 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 20:12:11,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982013591] [2021-06-06 20:12:11,114 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 20:12:11,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:11,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 20:12:11,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 20:12:11,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,115 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:11,115 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 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) [2021-06-06 20:12:11,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:11,167 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-06 20:12:11,167 INFO L430 AbstractCegarLoop]: === Iteration 7 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:11,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:11,167 INFO L82 PathProgramCache]: Analyzing trace with hash -278727225, now seen corresponding path program 1 times [2021-06-06 20:12:11,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:11,168 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332447793] [2021-06-06 20:12:11,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-06-06 20:12:11,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:11,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332447793] [2021-06-06 20:12:11,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332447793] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:11,190 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:11,190 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-06 20:12:11,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935573261] [2021-06-06 20:12:11,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-06 20:12:11,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:11,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-06 20:12:11,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-06 20:12:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,192 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:11,192 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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) [2021-06-06 20:12:11,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:11,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:11,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:11,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-06 20:12:11,251 INFO L430 AbstractCegarLoop]: === Iteration 8 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:11,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:11,251 INFO L82 PathProgramCache]: Analyzing trace with hash 2013794911, now seen corresponding path program 2 times [2021-06-06 20:12:11,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:11,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650244890] [2021-06-06 20:12:11,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:11,287 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-06-06 20:12:11,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:11,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650244890] [2021-06-06 20:12:11,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650244890] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 20:12:11,287 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 20:12:11,287 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 20:12:11,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274797746] [2021-06-06 20:12:11,288 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 20:12:11,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:11,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 20:12:11,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 20:12:11,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,289 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:11,289 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2021-06-06 20:12:11,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:11,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:11,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:11,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:12:11,443 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-06 20:12:11,443 INFO L430 AbstractCegarLoop]: === Iteration 9 === [Process1Err0ASSERT_VIOLATIONASSERT]=== [2021-06-06 20:12:11,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 20:12:11,444 INFO L82 PathProgramCache]: Analyzing trace with hash 909289023, now seen corresponding path program 1 times [2021-06-06 20:12:11,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 20:12:11,444 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752806284] [2021-06-06 20:12:11,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 20:12:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:12:11,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 20:12:11,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752806284] [2021-06-06 20:12:11,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752806284] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:12:11,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586128218] [2021-06-06 20:12:11,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-06-06 20:12:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 20:12:11,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2021-06-06 20:12:11,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 20:12:11,668 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 20:12:11,669 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586128218] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 20:12:11,669 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 20:12:11,669 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-06-06 20:12:11,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32409371] [2021-06-06 20:12:11,669 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 20:12:11,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 20:12:11,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 20:12:11,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 20:12:11,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,670 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 20:12:11,670 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2021-06-06 20:12:11,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:11,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:11,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:12:11,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 20:12:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 20:12:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-06 20:12:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:12:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 20:12:12,119 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-06-06 20:12:12,121 INFO L301 ceAbstractionStarter]: Result for error location Process1Thread1of1ForFork1 was SAFE (5/5) [2021-06-06 20:12:12,122 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 20:12:12,124 INFO L202 PluginConnector]: Adding new model Fischer.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 08:12:12 BasicIcfg [2021-06-06 20:12:12,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 20:12:12,125 INFO L168 Benchmark]: Toolchain (without parser) took 5965.39 ms. Allocated memory was 316.7 MB in the beginning and 417.3 MB in the end (delta: 100.7 MB). Free memory was 295.9 MB in the beginning and 370.2 MB in the end (delta: -74.2 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.0 GB. [2021-06-06 20:12:12,125 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 316.7 MB. Free memory is still 297.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 20:12:12,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.04 ms. Allocated memory is still 316.7 MB. Free memory was 295.9 MB in the beginning and 294.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 20:12:12,125 INFO L168 Benchmark]: Boogie Preprocessor took 37.55 ms. Allocated memory is still 316.7 MB. Free memory was 294.4 MB in the beginning and 293.5 MB in the end (delta: 905.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 20:12:12,125 INFO L168 Benchmark]: RCFGBuilder took 454.75 ms. Allocated memory is still 316.7 MB. Free memory was 293.4 MB in the beginning and 281.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-06-06 20:12:12,125 INFO L168 Benchmark]: TraceAbstraction took 5431.07 ms. Allocated memory was 316.7 MB in the beginning and 417.3 MB in the end (delta: 100.7 MB). Free memory was 280.6 MB in the beginning and 370.2 MB in the end (delta: -89.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.0 GB. [2021-06-06 20:12:12,126 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 316.7 MB. Free memory is still 297.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 30.04 ms. Allocated memory is still 316.7 MB. Free memory was 295.9 MB in the beginning and 294.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 37.55 ms. Allocated memory is still 316.7 MB. Free memory was 294.4 MB in the beginning and 293.5 MB in the end (delta: 905.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 454.75 ms. Allocated memory is still 316.7 MB. Free memory was 293.4 MB in the beginning and 281.0 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5431.07 ms. Allocated memory was 316.7 MB in the beginning and 417.3 MB in the end (delta: 100.7 MB). Free memory was 280.6 MB in the beginning and 370.2 MB in the end (delta: -89.6 MB). Peak memory consumption was 13.3 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: 22627, positive: 17700, positive conditional: 17700, positive unconditional: 0, negative: 4927, negative conditional: 4927, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 19633, positive: 17700, positive conditional: 17700, positive unconditional: 0, negative: 1933, negative conditional: 1933, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 19633, positive: 17483, positive conditional: 0, positive unconditional: 17483, negative: 2150, negative conditional: 0, negative unconditional: 2150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 619, positive: 577, positive conditional: 0, positive unconditional: 577, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 619, positive: 550, positive conditional: 0, positive unconditional: 550, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 69, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 196, negative conditional: 154, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, positive: 63, positive conditional: 22, positive unconditional: 41, negative: 364, negative conditional: 263, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 19633, positive: 16906, positive conditional: 0, positive unconditional: 16906, negative: 2108, negative conditional: 0, negative unconditional: 2108, unknown: 619, unknown conditional: 0, unknown unconditional: 619] , Statistics on independence cache: Total cache size (in pairs): 791, Positive cache size: 595, Positive conditional cache size: 18, Positive unconditional cache size: 577, Negative cache size: 196, Negative conditional cache size: 154, Negative unconditional cache size: 42, SemanticConditionEliminator.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 196, negative conditional: 154, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, positive: 63, positive conditional: 22, positive unconditional: 41, negative: 364, negative conditional: 263, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16766, positive: 199, positive conditional: 199, positive unconditional: 0, negative: 16395, negative conditional: 3120, negative unconditional: 13275, unknown: 172, unknown conditional: 172, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 791, Positive cache size: 595, Positive conditional cache size: 18, Positive unconditional cache size: 577, Negative cache size: 196, Negative conditional cache size: 154, Negative unconditional cache size: 42, Eliminated conditions: 13275, SemanticConditionEliminator.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 196, negative conditional: 154, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, positive: 63, positive conditional: 22, positive unconditional: 41, negative: 364, negative conditional: 263, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16766, positive: 199, positive conditional: 199, positive unconditional: 0, negative: 16395, negative conditional: 3120, negative unconditional: 13275, unknown: 172, unknown conditional: 172, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 791, Positive cache size: 595, Positive conditional cache size: 18, Positive unconditional cache size: 577, Negative cache size: 196, Negative conditional cache size: 154, Negative unconditional cache size: 42, Eliminated conditions: 13275, SemanticConditionEliminator.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 196, negative conditional: 154, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, positive: 63, positive conditional: 22, positive unconditional: 41, negative: 364, negative conditional: 263, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16766, positive: 199, positive conditional: 199, positive unconditional: 0, negative: 16395, negative conditional: 3120, negative unconditional: 13275, unknown: 172, unknown conditional: 172, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 791, Positive cache size: 595, Positive conditional cache size: 18, Positive unconditional cache size: 577, Negative cache size: 196, Negative conditional cache size: 154, Negative unconditional cache size: 42, Eliminated conditions: 13275, SemanticConditionEliminator.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 196, negative conditional: 154, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, positive: 63, positive conditional: 22, positive unconditional: 41, negative: 364, negative conditional: 263, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16766, positive: 199, positive conditional: 199, positive unconditional: 0, negative: 16395, negative conditional: 3120, negative unconditional: 13275, unknown: 172, unknown conditional: 172, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 791, Positive cache size: 595, Positive conditional cache size: 18, Positive unconditional cache size: 577, Negative cache size: 196, Negative conditional cache size: 154, Negative unconditional cache size: 42, Eliminated conditions: 13275, SemanticConditionEliminator.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 196, negative conditional: 154, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, positive: 63, positive conditional: 22, positive unconditional: 41, negative: 364, negative conditional: 263, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16766, positive: 199, positive conditional: 199, positive unconditional: 0, negative: 16395, negative conditional: 3120, negative unconditional: 13275, unknown: 172, unknown conditional: 172, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 791, Positive cache size: 595, Positive conditional cache size: 18, Positive unconditional cache size: 577, Negative cache size: 196, Negative conditional cache size: 154, Negative unconditional cache size: 42, Eliminated conditions: 13275, SemanticConditionEliminator.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 196, negative conditional: 154, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, positive: 63, positive conditional: 22, positive unconditional: 41, negative: 364, negative conditional: 263, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16766, positive: 199, positive conditional: 199, positive unconditional: 0, negative: 16395, negative conditional: 3120, negative unconditional: 13275, unknown: 172, unknown conditional: 172, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 791, Positive cache size: 595, Positive conditional cache size: 18, Positive unconditional cache size: 577, Negative cache size: 196, Negative conditional cache size: 154, Negative unconditional cache size: 42, Eliminated conditions: 13275, SemanticConditionEliminator.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 196, negative conditional: 154, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, positive: 63, positive conditional: 22, positive unconditional: 41, negative: 364, negative conditional: 263, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16766, positive: 199, positive conditional: 199, positive unconditional: 0, negative: 16395, negative conditional: 3120, negative unconditional: 13275, unknown: 172, unknown conditional: 172, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 791, Positive cache size: 595, Positive conditional cache size: 18, Positive unconditional cache size: 577, Negative cache size: 196, Negative conditional cache size: 154, Negative unconditional cache size: 42, Eliminated conditions: 13275, SemanticConditionEliminator.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 196, negative conditional: 154, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, positive: 63, positive conditional: 22, positive unconditional: 41, negative: 364, negative conditional: 263, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16766, positive: 199, positive conditional: 199, positive unconditional: 0, negative: 16395, negative conditional: 3120, negative unconditional: 13275, unknown: 172, unknown conditional: 172, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 791, Positive cache size: 595, Positive conditional cache size: 18, Positive unconditional cache size: 577, Negative cache size: 196, Negative conditional cache size: 154, Negative unconditional cache size: 42, Eliminated conditions: 13275, SemanticConditionEliminator.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 16766, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 16549, negative conditional: 3274, negative unconditional: 13275, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 241, positive: 45, positive conditional: 18, positive unconditional: 27, negative: 196, negative conditional: 154, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, positive: 63, positive conditional: 22, positive unconditional: 41, negative: 364, negative conditional: 263, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 16766, positive: 199, positive conditional: 199, positive unconditional: 0, negative: 16395, negative conditional: 3120, negative unconditional: 13275, unknown: 172, unknown conditional: 172, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 791, Positive cache size: 595, Positive conditional cache size: 18, Positive unconditional cache size: 577, Negative cache size: 196, Negative conditional cache size: 154, Negative unconditional cache size: 42, Eliminated conditions: 13275 ], Maximal queried relation: 9, Independence queries for same thread: 2994 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7422, positive: 6091, positive conditional: 6091, positive unconditional: 0, negative: 1331, negative conditional: 1331, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6383, positive: 6091, positive conditional: 6091, positive unconditional: 0, negative: 292, negative conditional: 292, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6383, positive: 6091, positive conditional: 0, positive unconditional: 6091, negative: 292, negative conditional: 0, negative unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 642, positive: 611, positive conditional: 0, positive unconditional: 611, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 642, positive: 589, positive conditional: 0, positive unconditional: 589, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 115, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6383, positive: 5480, positive conditional: 0, positive unconditional: 5480, negative: 261, negative conditional: 0, negative unconditional: 261, unknown: 642, unknown conditional: 0, unknown unconditional: 642] , Statistics on independence cache: Total cache size (in pairs): 642, Positive cache size: 611, Positive conditional cache size: 0, Positive unconditional cache size: 611, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 ], Maximal queried relation: 0, Independence queries for same thread: 1039 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7422, positive: 6091, positive conditional: 6091, positive unconditional: 0, negative: 1331, negative conditional: 1331, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6383, positive: 6091, positive conditional: 6091, positive unconditional: 0, negative: 292, negative conditional: 292, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6383, positive: 6091, positive conditional: 0, positive unconditional: 6091, negative: 292, negative conditional: 0, negative unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 642, positive: 611, positive conditional: 0, positive unconditional: 611, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 642, positive: 589, positive conditional: 0, positive unconditional: 589, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 68, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6383, positive: 5480, positive conditional: 0, positive unconditional: 5480, negative: 261, negative conditional: 0, negative unconditional: 261, unknown: 642, unknown conditional: 0, unknown unconditional: 642] , Statistics on independence cache: Total cache size (in pairs): 642, Positive cache size: 611, Positive conditional cache size: 0, Positive unconditional cache size: 611, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 ], Maximal queried relation: 0, Independence queries for same thread: 1039 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7422, positive: 6091, positive conditional: 6091, positive unconditional: 0, negative: 1331, negative conditional: 1331, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6383, positive: 6091, positive conditional: 6091, positive unconditional: 0, negative: 292, negative conditional: 292, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6383, positive: 6091, positive conditional: 0, positive unconditional: 6091, negative: 292, negative conditional: 0, negative unconditional: 292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 642, positive: 611, positive conditional: 0, positive unconditional: 611, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 642, positive: 589, positive conditional: 0, positive unconditional: 589, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 242, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 127, negative conditional: 0, negative unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6383, positive: 5480, positive conditional: 0, positive unconditional: 5480, negative: 261, negative conditional: 0, negative unconditional: 261, unknown: 642, unknown conditional: 0, unknown unconditional: 642] , Statistics on independence cache: Total cache size (in pairs): 642, Positive cache size: 611, Positive conditional cache size: 0, Positive unconditional cache size: 611, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 ], Maximal queried relation: 0, Independence queries for same thread: 1039 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13950, positive: 10810, positive conditional: 10810, positive unconditional: 0, negative: 3140, negative conditional: 3140, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 12005, positive: 10810, positive conditional: 10810, positive unconditional: 0, negative: 1195, negative conditional: 1195, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 12005, positive: 10743, positive conditional: 0, positive unconditional: 10743, negative: 1262, negative conditional: 0, negative unconditional: 1262, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 592, positive: 553, positive conditional: 0, positive unconditional: 553, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 592, positive: 527, positive conditional: 0, positive unconditional: 527, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 160, positive: 36, positive conditional: 10, positive unconditional: 26, negative: 124, negative conditional: 85, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 46, positive conditional: 8, positive unconditional: 38, negative: 116, negative conditional: 86, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12005, positive: 10190, positive conditional: 0, positive unconditional: 10190, negative: 1223, negative conditional: 0, negative unconditional: 1223, unknown: 592, unknown conditional: 0, unknown unconditional: 592] , Statistics on independence cache: Total cache size (in pairs): 687, Positive cache size: 563, Positive conditional cache size: 10, Positive unconditional cache size: 553, Negative cache size: 124, Negative conditional cache size: 85, Negative unconditional cache size: 39, SemanticConditionEliminator.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 160, positive: 36, positive conditional: 10, positive unconditional: 26, negative: 124, negative conditional: 85, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 46, positive conditional: 8, positive unconditional: 38, negative: 116, negative conditional: 86, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8739, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 8587, negative conditional: 1315, negative unconditional: 7272, unknown: 95, unknown conditional: 95, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 687, Positive cache size: 563, Positive conditional cache size: 10, Positive unconditional cache size: 553, Negative cache size: 124, Negative conditional cache size: 85, Negative unconditional cache size: 39, Eliminated conditions: 7272, SemanticConditionEliminator.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 160, positive: 36, positive conditional: 10, positive unconditional: 26, negative: 124, negative conditional: 85, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 46, positive conditional: 8, positive unconditional: 38, negative: 116, negative conditional: 86, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8739, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 8587, negative conditional: 1315, negative unconditional: 7272, unknown: 95, unknown conditional: 95, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 687, Positive cache size: 563, Positive conditional cache size: 10, Positive unconditional cache size: 553, Negative cache size: 124, Negative conditional cache size: 85, Negative unconditional cache size: 39, Eliminated conditions: 7272, SemanticConditionEliminator.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 160, positive: 36, positive conditional: 10, positive unconditional: 26, negative: 124, negative conditional: 85, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 46, positive conditional: 8, positive unconditional: 38, negative: 116, negative conditional: 86, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8739, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 8587, negative conditional: 1315, negative unconditional: 7272, unknown: 95, unknown conditional: 95, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 687, Positive cache size: 563, Positive conditional cache size: 10, Positive unconditional cache size: 553, Negative cache size: 124, Negative conditional cache size: 85, Negative unconditional cache size: 39, Eliminated conditions: 7272, SemanticConditionEliminator.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 160, positive: 36, positive conditional: 10, positive unconditional: 26, negative: 124, negative conditional: 85, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 46, positive conditional: 8, positive unconditional: 38, negative: 116, negative conditional: 86, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8739, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 8587, negative conditional: 1315, negative unconditional: 7272, unknown: 95, unknown conditional: 95, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 687, Positive cache size: 563, Positive conditional cache size: 10, Positive unconditional cache size: 553, Negative cache size: 124, Negative conditional cache size: 85, Negative unconditional cache size: 39, Eliminated conditions: 7272, SemanticConditionEliminator.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 160, positive: 36, positive conditional: 10, positive unconditional: 26, negative: 124, negative conditional: 85, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 46, positive conditional: 8, positive unconditional: 38, negative: 116, negative conditional: 86, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8739, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 8587, negative conditional: 1315, negative unconditional: 7272, unknown: 95, unknown conditional: 95, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 687, Positive cache size: 563, Positive conditional cache size: 10, Positive unconditional cache size: 553, Negative cache size: 124, Negative conditional cache size: 85, Negative unconditional cache size: 39, Eliminated conditions: 7272, SemanticConditionEliminator.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 160, positive: 36, positive conditional: 10, positive unconditional: 26, negative: 124, negative conditional: 85, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 46, positive conditional: 8, positive unconditional: 38, negative: 116, negative conditional: 86, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8739, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 8587, negative conditional: 1315, negative unconditional: 7272, unknown: 95, unknown conditional: 95, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 687, Positive cache size: 563, Positive conditional cache size: 10, Positive unconditional cache size: 553, Negative cache size: 124, Negative conditional cache size: 85, Negative unconditional cache size: 39, Eliminated conditions: 7272, SemanticConditionEliminator.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 160, positive: 36, positive conditional: 10, positive unconditional: 26, negative: 124, negative conditional: 85, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 46, positive conditional: 8, positive unconditional: 38, negative: 116, negative conditional: 86, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8739, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 8587, negative conditional: 1315, negative unconditional: 7272, unknown: 95, unknown conditional: 95, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 687, Positive cache size: 563, Positive conditional cache size: 10, Positive unconditional cache size: 553, Negative cache size: 124, Negative conditional cache size: 85, Negative unconditional cache size: 39, Eliminated conditions: 7272, SemanticConditionEliminator.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 160, positive: 36, positive conditional: 10, positive unconditional: 26, negative: 124, negative conditional: 85, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 46, positive conditional: 8, positive unconditional: 38, negative: 116, negative conditional: 86, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8739, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 8587, negative conditional: 1315, negative unconditional: 7272, unknown: 95, unknown conditional: 95, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 687, Positive cache size: 563, Positive conditional cache size: 10, Positive unconditional cache size: 553, Negative cache size: 124, Negative conditional cache size: 85, Negative unconditional cache size: 39, Eliminated conditions: 7272, SemanticConditionEliminator.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8739, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 8672, negative conditional: 1400, negative unconditional: 7272, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 160, positive: 36, positive conditional: 10, positive unconditional: 26, negative: 124, negative conditional: 85, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 46, positive conditional: 8, positive unconditional: 38, negative: 116, negative conditional: 86, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8739, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 8587, negative conditional: 1315, negative unconditional: 7272, unknown: 95, unknown conditional: 95, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 687, Positive cache size: 563, Positive conditional cache size: 10, Positive unconditional cache size: 553, Negative cache size: 124, Negative conditional cache size: 85, Negative unconditional cache size: 39, Eliminated conditions: 7272 ], Maximal queried relation: 9, Independence queries for same thread: 1945 - PositiveResult [Line: 78]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 57]: 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: Process2Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3195.6ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.7ms, PartialOrderReductionTime: 1840.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 55, 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: 37.1ms SsaConstructionTime, 111.5ms SatisfiabilityAnalysisTime, 675.6ms InterpolantComputationTime, 387 NumberOfCodeBlocks, 387 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 377 ConstructedInterpolants, 0 QuantifiedInterpolants, 891 SizeOfPredicates, 4 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 122/140 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: Process2 with 1 thread instances CFG has 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 244.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 211.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: Process1 with 1 thread instances CFG has 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 166.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.0ms, PartialOrderReductionTime: 159.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 329.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 324.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: Process1Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 78 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1339.9ms, OverallIterations: 9, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 741.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 36, 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: 9.5ms SsaConstructionTime, 33.2ms SatisfiabilityAnalysisTime, 279.2ms InterpolantComputationTime, 484 NumberOfCodeBlocks, 484 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 474 ConstructedInterpolants, 0 QuantifiedInterpolants, 938 SizeOfPredicates, 4 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 282/286 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...