/usr/bin/java -Xmx8000000000 -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-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2022/add-sub07.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8b99979fc9bd30b823d307a67cb055caa4790482-8b99979 [2021-06-30 15:20:33,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-30 15:20:33,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-30 15:20:33,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-30 15:20:33,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-30 15:20:33,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-30 15:20:33,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-30 15:20:33,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-30 15:20:33,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-30 15:20:33,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-30 15:20:33,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-30 15:20:33,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-30 15:20:33,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-30 15:20:33,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-30 15:20:33,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-30 15:20:33,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-30 15:20:33,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-30 15:20:33,195 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-NewStatesSleep-NoLbe-Symm.epf [2021-06-30 15:20:33,233 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-30 15:20:33,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-30 15:20:33,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-30 15:20:33,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-30 15:20:33,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-30 15:20:33,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-30 15:20:33,236 INFO L138 SettingsManager]: * Use SBE=true [2021-06-30 15:20:33,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-30 15:20:33,236 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-30 15:20:33,236 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-30 15:20:33,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-30 15:20:33,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-30 15:20:33,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-30 15:20:33,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-30 15:20:33,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-30 15:20:33,238 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-30 15:20:33,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-30 15:20:33,238 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-30 15:20:33,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-30 15:20:33,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-30 15:20:33,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-30 15:20:33,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-30 15:20:33,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-30 15:20:33,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-30 15:20:33,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-30 15:20:33,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-30 15:20:33,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-30 15:20:33,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-30 15:20:33,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-30 15:20:33,239 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-30 15:20:33,239 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-30 15:20:33,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-30 15:20:33,239 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-30 15:20:33,240 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-30 15:20:33,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-30 15:20:33,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-30 15:20:33,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-30 15:20:33,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-30 15:20:33,505 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-30 15:20:33,506 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-30 15:20:33,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub07.bpl [2021-06-30 15:20:33,507 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2022/add-sub07.bpl' [2021-06-30 15:20:33,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-30 15:20:33,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-30 15:20:33,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-30 15:20:33,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-30 15:20:33,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-30 15:20:33,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "add-sub07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 03:20:33" (1/1) ... [2021-06-30 15:20:33,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "add-sub07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 03:20:33" (1/1) ... [2021-06-30 15:20:33,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-30 15:20:33,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-30 15:20:33,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-30 15:20:33,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-30 15:20:33,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "add-sub07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 03:20:33" (1/1) ... [2021-06-30 15:20:33,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "add-sub07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 03:20:33" (1/1) ... [2021-06-30 15:20:33,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "add-sub07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 03:20:33" (1/1) ... [2021-06-30 15:20:33,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "add-sub07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 03:20:33" (1/1) ... [2021-06-30 15:20:33,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "add-sub07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 03:20:33" (1/1) ... [2021-06-30 15:20:33,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "add-sub07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 03:20:33" (1/1) ... [2021-06-30 15:20:33,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "add-sub07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 03:20:33" (1/1) ... [2021-06-30 15:20:33,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-30 15:20:33,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-30 15:20:33,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-30 15:20:33,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-30 15:20:33,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "add-sub07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 03:20:33" (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 [2021-06-30 15:20:33,621 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-30 15:20:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-30 15:20:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-30 15:20:33,622 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Thread given in one single declaration [2021-06-30 15:20:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure Thread [2021-06-30 15:20:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure Thread [2021-06-30 15:20:33,622 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-30 15:20:33,739 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-30 15:20:33,739 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-06-30 15:20:33,741 INFO L202 PluginConnector]: Adding new model add-sub07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 03:20:33 BoogieIcfgContainer [2021-06-30 15:20:33,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-30 15:20:33,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-30 15:20:33,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-30 15:20:33,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-30 15:20:33,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub07.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.06 03:20:33" (1/2) ... [2021-06-30 15:20:33,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f37d7c and model type add-sub07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.06 03:20:33, skipping insertion in model container [2021-06-30 15:20:33,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "add-sub07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.06 03:20:33" (2/2) ... [2021-06-30 15:20:33,748 INFO L111 eAbstractionObserver]: Analyzing ICFG add-sub07.bpl [2021-06-30 15:20:33,755 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-30 15:20:33,756 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-30 15:20:33,756 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-30 15:20:33,757 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-30 15:20:33,805 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,806 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,806 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,806 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,808 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,808 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,808 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,809 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,809 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,809 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,809 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,809 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,809 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,809 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,810 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,810 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,810 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,810 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,810 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,811 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,811 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,811 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,811 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,811 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,811 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,811 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,812 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,812 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,812 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,812 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,812 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,813 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,813 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,813 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,813 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,813 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,813 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,814 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,814 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,814 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,814 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,814 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,816 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork0_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,820 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork1_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,822 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork2_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,825 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork3_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,828 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork4_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,830 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork5_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,834 WARN L313 ript$VariableManager]: TermVariabe ThreadThread1of1ForFork6_i not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-30 15:20:33,873 INFO L149 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2021-06-30 15:20:33,901 INFO L255 AbstractCegarLoop]: Starting to check reachability of 8 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 [2021-06-30 15:20:33,954 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-30 15:20:33,954 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-30 15:20:33,955 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-30 15:20:33,955 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-30 15:20:33,955 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-30 15:20:33,955 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-30 15:20:33,955 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-30 15:20:33,955 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-30 15:20:35,394 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 15:20:35,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 15:20:35,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1363217661, now seen corresponding path program 1 times [2021-06-30 15:20:35,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 15:20:35,408 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322909699] [2021-06-30 15:20:35,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 15:20:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 15:20:35,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-30 15:20:35,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 15:20:35,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322909699] [2021-06-30 15:20:35,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322909699] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-30 15:20:35,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-30 15:20:35,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-30 15:20:35,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154653563] [2021-06-30 15:20:35,593 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-30 15:20:35,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 15:20:35,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-30 15:20:35,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-30 15:20:35,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:35,608 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 15:20:35,621 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2021-06-30 15:20:35,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:35,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:35,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-30 15:20:35,853 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 15:20:35,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 15:20:35,854 INFO L82 PathProgramCache]: Analyzing trace with hash -458889723, now seen corresponding path program 1 times [2021-06-30 15:20:35,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 15:20:35,855 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600787257] [2021-06-30 15:20:35,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 15:20:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 15:20:35,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-30 15:20:35,955 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 15:20:35,955 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600787257] [2021-06-30 15:20:35,955 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600787257] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-30 15:20:35,955 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-30 15:20:35,955 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-30 15:20:35,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377993215] [2021-06-30 15:20:35,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-30 15:20:35,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 15:20:35,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-30 15:20:35,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-30 15:20:35,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:35,960 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 15:20:35,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 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) [2021-06-30 15:20:35,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:35,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:36,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:36,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:36,247 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-30 15:20:36,247 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 15:20:36,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 15:20:36,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1865008449, now seen corresponding path program 1 times [2021-06-30 15:20:36,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 15:20:36,248 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897269532] [2021-06-30 15:20:36,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 15:20:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 15:20:36,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-06-30 15:20:36,339 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 15:20:36,339 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897269532] [2021-06-30 15:20:36,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897269532] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-30 15:20:36,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-30 15:20:36,342 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-30 15:20:36,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857830836] [2021-06-30 15:20:36,343 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-30 15:20:36,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 15:20:36,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-30 15:20:36,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-30 15:20:36,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:36,349 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 15:20:36,349 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-06-30 15:20:36,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:36,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:36,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:36,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:36,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:36,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-30 15:20:36,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-30 15:20:36,696 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 15:20:36,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 15:20:36,697 INFO L82 PathProgramCache]: Analyzing trace with hash 64184001, now seen corresponding path program 1 times [2021-06-30 15:20:36,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 15:20:36,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618007581] [2021-06-30 15:20:36,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 15:20:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 15:20:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-30 15:20:36,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 15:20:36,784 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618007581] [2021-06-30 15:20:36,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618007581] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-30 15:20:36,785 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-30 15:20:36,785 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-30 15:20:36,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656702055] [2021-06-30 15:20:36,786 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-30 15:20:36,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 15:20:36,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-30 15:20:36,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-30 15:20:36,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:36,787 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 15:20:36,787 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 5 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) [2021-06-30 15:20:36,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:36,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:36,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-30 15:20:36,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:37,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:37,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:37,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-30 15:20:37,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-30 15:20:37,201 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-30 15:20:37,201 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 15:20:37,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 15:20:37,202 INFO L82 PathProgramCache]: Analyzing trace with hash -632976507, now seen corresponding path program 1 times [2021-06-30 15:20:37,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 15:20:37,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324082562] [2021-06-30 15:20:37,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 15:20:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 15:20:37,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-30 15:20:37,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 15:20:37,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324082562] [2021-06-30 15:20:37,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324082562] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-30 15:20:37,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-30 15:20:37,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-30 15:20:37,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262975674] [2021-06-30 15:20:37,285 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-30 15:20:37,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 15:20:37,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-30 15:20:37,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-30 15:20:37,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:37,286 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 15:20:37,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 15:20:37,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:37,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:37,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-30 15:20:37,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-30 15:20:37,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-30 15:20:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-30 15:20:37,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 15:20:37,754 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-30 15:20:37,754 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 15:20:37,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 15:20:37,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1110894973, now seen corresponding path program 1 times [2021-06-30 15:20:37,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 15:20:37,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544319394] [2021-06-30 15:20:37,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 15:20:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 15:20:37,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-30 15:20:37,832 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 15:20:37,832 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544319394] [2021-06-30 15:20:37,832 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544319394] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-30 15:20:37,832 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-30 15:20:37,832 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-30 15:20:37,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801693701] [2021-06-30 15:20:37,833 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-30 15:20:37,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 15:20:37,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-30 15:20:37,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-06-30 15:20:37,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:37,834 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 15:20:37,834 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-30 15:20:37,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:37,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:37,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-30 15:20:37,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-30 15:20:37,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-30 15:20:37,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:38,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:38,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:38,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-30 15:20:38,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-30 15:20:38,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 15:20:38,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 15:20:38,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-30 15:20:38,300 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 15:20:38,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 15:20:38,300 INFO L82 PathProgramCache]: Analyzing trace with hash -2035146807, now seen corresponding path program 1 times [2021-06-30 15:20:38,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 15:20:38,300 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089817877] [2021-06-30 15:20:38,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 15:20:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 15:20:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-30 15:20:38,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 15:20:38,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089817877] [2021-06-30 15:20:38,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089817877] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-30 15:20:38,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-30 15:20:38,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-30 15:20:38,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034827880] [2021-06-30 15:20:38,465 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-30 15:20:38,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 15:20:38,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-30 15:20:38,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-06-30 15:20:38,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:38,468 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 15:20:38,468 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 8 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) [2021-06-30 15:20:38,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:38,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:38,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-30 15:20:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-30 15:20:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-30 15:20:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 15:20:38,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:39,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:39,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:39,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-30 15:20:39,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-30 15:20:39,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 15:20:39,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 15:20:39,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 15:20:39,171 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-30 15:20:39,171 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION]=== [2021-06-30 15:20:39,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-30 15:20:39,172 INFO L82 PathProgramCache]: Analyzing trace with hash 995280441, now seen corresponding path program 1 times [2021-06-30 15:20:39,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-30 15:20:39,172 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21748055] [2021-06-30 15:20:39,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-30 15:20:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-30 15:20:39,273 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-30 15:20:39,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-30 15:20:39,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21748055] [2021-06-30 15:20:39,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21748055] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-30 15:20:39,273 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-30 15:20:39,273 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-30 15:20:39,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961745511] [2021-06-30 15:20:39,274 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-06-30 15:20:39,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-30 15:20:39,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-06-30 15:20:39,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-06-30 15:20:39,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:39,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-30 15:20:39,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 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) [2021-06-30 15:20:39,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:39,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:39,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-30 15:20:39,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-30 15:20:39,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-30 15:20:39,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-30 15:20:39,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-30 15:20:39,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-30 15:20:43,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-30 15:20:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-30 15:20:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-30 15:20:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-30 15:20:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-30 15:20:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-30 15:20:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-30 15:20:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-30 15:20:43,502 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-30 15:20:43,507 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-30 15:20:43,508 INFO L202 PluginConnector]: Adding new model add-sub07.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.06 03:20:43 BasicIcfg [2021-06-30 15:20:43,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-30 15:20:43,509 INFO L168 Benchmark]: Toolchain (without parser) took 9984.77 ms. Allocated memory was 221.2 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 201.5 MB in the beginning and 3.0 GB in the end (delta: -2.8 GB). Peak memory consumption was 815.4 MB. Max. memory is 8.0 GB. [2021-06-30 15:20:43,509 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 221.2 MB. Free memory is still 202.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-30 15:20:43,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.47 ms. Allocated memory is still 221.2 MB. Free memory was 201.5 MB in the beginning and 200.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-30 15:20:43,511 INFO L168 Benchmark]: Boogie Preprocessor took 10.17 ms. Allocated memory is still 221.2 MB. Free memory was 200.1 MB in the beginning and 199.2 MB in the end (delta: 856.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-30 15:20:43,511 INFO L168 Benchmark]: RCFGBuilder took 171.53 ms. Allocated memory is still 221.2 MB. Free memory was 199.0 MB in the beginning and 189.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-06-30 15:20:43,511 INFO L168 Benchmark]: TraceAbstraction took 9764.97 ms. Allocated memory was 221.2 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 189.3 MB in the beginning and 3.0 GB in the end (delta: -2.8 GB). Peak memory consumption was 802.9 MB. Max. memory is 8.0 GB. [2021-06-30 15:20:43,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 221.2 MB. Free memory is still 202.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.47 ms. Allocated memory is still 221.2 MB. Free memory was 201.5 MB in the beginning and 200.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.17 ms. Allocated memory is still 221.2 MB. Free memory was 200.1 MB in the beginning and 199.2 MB in the end (delta: 856.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 171.53 ms. Allocated memory is still 221.2 MB. Free memory was 199.0 MB in the beginning and 189.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 9764.97 ms. Allocated memory was 221.2 MB in the beginning and 3.6 GB in the end (delta: 3.4 GB). Free memory was 189.3 MB in the beginning and 3.0 GB in the end (delta: -2.8 GB). Peak memory consumption was 802.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1492269, positive: 1422676, positive conditional: 1422676, positive unconditional: 0, negative: 69593, negative conditional: 69593, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1422676, positive: 1422676, positive conditional: 1422676, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1422676, positive: 1422676, positive conditional: 0, positive unconditional: 1422676, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 504, positive: 504, positive conditional: 0, positive unconditional: 504, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 504, positive: 420, positive conditional: 0, positive unconditional: 420, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 359, positive: 359, positive conditional: 0, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1422676, positive: 1422172, positive conditional: 0, positive unconditional: 1422172, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 504, unknown conditional: 0, unknown unconditional: 504] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 359, positive: 359, positive conditional: 0, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 359, positive: 359, positive conditional: 0, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 359, positive: 359, positive conditional: 0, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 359, positive: 359, positive conditional: 0, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 359, positive: 359, positive conditional: 0, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 359, positive: 359, positive conditional: 0, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 359, positive: 359, positive conditional: 0, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 359, positive: 359, positive conditional: 0, positive unconditional: 359, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 504, Positive cache size: 504, Positive conditional cache size: 0, Positive unconditional cache size: 504, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: 0, Independence queries for same thread: 69593 - PositiveResult [Line: 24]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 58 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9581.1ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 8559.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, 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: 14.2ms SsaConstructionTime, 87.1ms SatisfiabilityAnalysisTime, 652.5ms InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 1732 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...