/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 16:19:34,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 16:19:34,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 16:19:34,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-14 16:19:34,894 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-14 16:19:34,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-14 16:19:34,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-14 16:19:34,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-14 16:19:34,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-14 16:19:34,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-14 16:19:34,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-14 16:19:34,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-14 16:19:34,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 16:19:34,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 16:19:34,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 16:19:34,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 16:19:34,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 16:19:34,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 16:19:34,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 16:19:34,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 16:19:34,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 16:19:34,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 16:19:34,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 16:19:34,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 16:19:34,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-14 16:19:34,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-14 16:19:34,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-14 16:19:34,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-14 16:19:34,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-14 16:19:34,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-14 16:19:34,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-14 16:19:34,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-14 16:19:34,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-14 16:19:34,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-14 16:19:34,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-14 16:19:34,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-14 16:19:34,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-14 16:19:34,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-14 16:19:34,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 16:19:34,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 16:19:34,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 16:19:34,943 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-06-14 16:19:34,965 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 16:19:34,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 16:19:34,966 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 16:19:34,966 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 16:19:34,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 16:19:34,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 16:19:34,967 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 16:19:34,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 16:19:34,967 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 16:19:34,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 16:19:34,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 16:19:34,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 16:19:34,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 16:19:34,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 16:19:34,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 16:19:34,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 16:19:34,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 16:19:34,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 16:19:34,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 16:19:34,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 16:19:34,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 16:19:34,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 16:19:34,968 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 16:19:34,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 16:19:34,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 16:19:34,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 16:19:34,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 16:19:34,969 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 16:19:34,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 16:19:34,969 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 16:19:34,969 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 16:19:34,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 16:19:34,969 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 16:19:34,969 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 16:19:35,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 16:19:35,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 16:19:35,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 16:19:35,191 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 16:19:35,192 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 16:19:35,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl [2021-06-14 16:19:35,193 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/parallel-sum-equiv.wvr.bpl' [2021-06-14 16:19:35,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 16:19:35,214 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 16:19:35,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 16:19:35,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 16:19:35,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 16:19:35,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:19:35" (1/1) ... [2021-06-14 16:19:35,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:19:35" (1/1) ... [2021-06-14 16:19:35,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 16:19:35,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 16:19:35,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 16:19:35,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 16:19:35,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:19:35" (1/1) ... [2021-06-14 16:19:35,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:19:35" (1/1) ... [2021-06-14 16:19:35,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:19:35" (1/1) ... [2021-06-14 16:19:35,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:19:35" (1/1) ... [2021-06-14 16:19:35,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:19:35" (1/1) ... [2021-06-14 16:19:35,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:19:35" (1/1) ... [2021-06-14 16:19:35,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:19:35" (1/1) ... [2021-06-14 16:19:35,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 16:19:35,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 16:19:35,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 16:19:35,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 16:19:35,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:19:35" (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 [2021-06-14 16:19:35,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-14 16:19:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-14 16:19:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-14 16:19:35,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-14 16:19:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-14 16:19:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-14 16:19:35,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 16:19:35,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 16:19:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 16:19:35,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-14 16:19:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-14 16:19:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-14 16:19:35,308 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-06-14 16:19:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-06-14 16:19:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-06-14 16:19:35,308 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 16:19:35,456 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 16:19:35,457 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-06-14 16:19:35,457 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-06-14 16:19:35,458 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread3EXIT is neither atomic block end nor error location. [2021-06-14 16:19:35,458 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread4EXIT is neither atomic block end nor error location. [2021-06-14 16:19:35,459 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:19:35 BoogieIcfgContainer [2021-06-14 16:19:35,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 16:19:35,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 16:19:35,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 16:19:35,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 16:19:35,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 04:19:35" (1/2) ... [2021-06-14 16:19:35,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@168c8e3e and model type parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 04:19:35, skipping insertion in model container [2021-06-14 16:19:35,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 04:19:35" (2/2) ... [2021-06-14 16:19:35,464 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-sum-equiv.wvr.bpl [2021-06-14 16:19:35,467 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 16:19:35,467 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 16:19:35,468 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 16:19:35,468 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 16:19:35,537 INFO L149 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2021-06-14 16:19:35,550 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 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 [2021-06-14 16:19:35,603 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 16:19:35,604 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 16:19:35,604 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 16:19:35,604 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 16:19:35,604 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 16:19:35,604 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 16:19:35,604 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 16:19:35,604 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1======== [2021-06-14 16:19:35,779 INFO L301 ceAbstractionStarter]: Result for error location thread1 was SAFE (1/3) [2021-06-14 16:19:35,780 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 16:19:35,791 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 16:19:35,791 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 16:19:35,791 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 16:19:35,792 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 16:19:35,792 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 16:19:35,792 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 16:19:35,792 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 16:19:35,792 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork0======== [2021-06-14 16:19:35,864 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (2/3) [2021-06-14 16:19:35,865 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 16:19:35,869 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 16:19:35,869 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 16:19:35,869 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 16:19:35,869 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 16:19:35,869 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 16:19:35,869 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 16:19:35,869 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 16:19:35,870 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 16:19:35,931 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (3/3) [2021-06-14 16:19:35,931 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 16:19:35,933 INFO L202 PluginConnector]: Adding new model parallel-sum-equiv.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 04:19:35 BasicIcfg [2021-06-14 16:19:35,933 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 16:19:35,935 INFO L168 Benchmark]: Toolchain (without parser) took 721.12 ms. Allocated memory is still 184.5 MB. Free memory was 163.7 MB in the beginning and 137.7 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 8.0 GB. [2021-06-14 16:19:35,935 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 184.5 MB. Free memory is still 164.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 16:19:35,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.82 ms. Allocated memory is still 184.5 MB. Free memory was 163.6 MB in the beginning and 162.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 16:19:35,936 INFO L168 Benchmark]: Boogie Preprocessor took 13.06 ms. Allocated memory is still 184.5 MB. Free memory was 162.2 MB in the beginning and 161.2 MB in the end (delta: 951.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-14 16:19:35,936 INFO L168 Benchmark]: RCFGBuilder took 213.37 ms. Allocated memory is still 184.5 MB. Free memory was 161.1 MB in the beginning and 145.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-06-14 16:19:35,936 INFO L168 Benchmark]: TraceAbstraction took 473.57 ms. Allocated memory is still 184.5 MB. Free memory was 145.2 MB in the beginning and 137.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. [2021-06-14 16:19:35,938 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 0.10 ms. Allocated memory is still 184.5 MB. Free memory is still 164.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 16.82 ms. Allocated memory is still 184.5 MB. Free memory was 163.6 MB in the beginning and 162.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.06 ms. Allocated memory is still 184.5 MB. Free memory was 162.2 MB in the beginning and 161.2 MB in the end (delta: 951.1 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 213.37 ms. Allocated memory is still 184.5 MB. Free memory was 161.1 MB in the beginning and 145.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 473.57 ms. Allocated memory is still 184.5 MB. Free memory was 145.2 MB in the beginning and 137.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.6 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: 597, positive: 577, positive conditional: 50, positive unconditional: 527, negative: 20, negative conditional: 12, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 587, positive: 577, positive conditional: 50, positive unconditional: 527, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 587, positive: 577, positive conditional: 0, positive unconditional: 577, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 449, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 449, positive: 438, positive conditional: 0, positive unconditional: 438, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 587, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 449, unknown conditional: 0, unknown unconditional: 449] , Statistics on independence cache: Total cache size (in pairs): 449, Positive cache size: 440, Positive conditional cache size: 0, Positive unconditional cache size: 440, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 ], Maximal queried relation: 0, Independence queries for same thread: 10 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 136, Number of persistent set computation: 39, Number of trivial persistent sets: 30, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 597, positive: 577, positive conditional: 50, positive unconditional: 527, negative: 20, negative conditional: 12, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 587, positive: 577, positive conditional: 50, positive unconditional: 527, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 587, positive: 577, positive conditional: 0, positive unconditional: 577, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 449, positive: 440, positive conditional: 0, positive unconditional: 440, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 449, positive: 438, positive conditional: 0, positive unconditional: 438, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 587, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 449, unknown conditional: 0, unknown unconditional: 449] , Statistics on independence cache: Total cache size (in pairs): 449, Positive cache size: 440, Positive conditional cache size: 0, Positive unconditional cache size: 440, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 ], Maximal queried relation: 0, Independence queries for same thread: 10 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 855, positive: 795, positive conditional: 212, positive unconditional: 583, negative: 60, negative conditional: 52, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 813, positive: 795, positive conditional: 212, positive unconditional: 583, negative: 18, negative conditional: 10, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 813, positive: 795, positive conditional: 0, positive unconditional: 795, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 461, positive: 452, positive conditional: 0, positive unconditional: 452, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 461, positive: 450, positive conditional: 0, positive unconditional: 450, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 813, positive: 343, positive conditional: 0, positive unconditional: 343, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 461, unknown conditional: 0, unknown unconditional: 461] , Statistics on independence cache: Total cache size (in pairs): 461, Positive cache size: 452, Positive conditional cache size: 0, Positive unconditional cache size: 452, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 ], Maximal queried relation: 0, Independence queries for same thread: 42 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 57, Number of persistent set computation: 162, Number of trivial persistent sets: 145, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 855, positive: 795, positive conditional: 212, positive unconditional: 583, negative: 60, negative conditional: 52, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 813, positive: 795, positive conditional: 212, positive unconditional: 583, negative: 18, negative conditional: 10, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 813, positive: 795, positive conditional: 0, positive unconditional: 795, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 461, positive: 452, positive conditional: 0, positive unconditional: 452, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 461, positive: 450, positive conditional: 0, positive unconditional: 450, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 813, positive: 343, positive conditional: 0, positive unconditional: 343, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 461, unknown conditional: 0, unknown unconditional: 461] , Statistics on independence cache: Total cache size (in pairs): 461, Positive cache size: 452, Positive conditional cache size: 0, Positive unconditional cache size: 452, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 ], Maximal queried relation: 0, Independence queries for same thread: 42 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 653, positive: 632, positive conditional: 54, positive unconditional: 578, negative: 21, negative conditional: 13, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 642, positive: 632, positive conditional: 54, positive unconditional: 578, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 642, positive: 632, positive conditional: 0, positive unconditional: 632, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 491, positive: 482, positive conditional: 0, positive unconditional: 482, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 491, positive: 480, positive conditional: 0, positive unconditional: 480, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 642, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 491, unknown conditional: 0, unknown unconditional: 491] , Statistics on independence cache: Total cache size (in pairs): 491, Positive cache size: 482, Positive conditional cache size: 0, Positive unconditional cache size: 482, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 ], Maximal queried relation: 0, Independence queries for same thread: 11 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 54, Number of persistent set computation: 56, Number of trivial persistent sets: 51, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 653, positive: 632, positive conditional: 54, positive unconditional: 578, negative: 21, negative conditional: 13, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 642, positive: 632, positive conditional: 54, positive unconditional: 578, negative: 10, negative conditional: 2, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 642, positive: 632, positive conditional: 0, positive unconditional: 632, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 491, positive: 482, positive conditional: 0, positive unconditional: 482, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 491, positive: 480, positive conditional: 0, positive unconditional: 480, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 46, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 44, negative conditional: 0, negative unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 642, positive: 150, positive conditional: 0, positive unconditional: 150, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 491, unknown conditional: 0, unknown unconditional: 491] , Statistics on independence cache: Total cache size (in pairs): 491, Positive cache size: 482, Positive conditional cache size: 0, Positive unconditional cache size: 482, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 ], Maximal queried relation: 0, Independence queries for same thread: 11 - PositiveResult [Line: 86]: 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: thread1 with 1 thread instances CFG has 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 205.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6.4ms, PartialOrderReductionTime: 163.8ms, 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: thread1Thread1of1ForFork0 with 1 thread instances CFG has 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.9ms, PartialOrderReductionTime: 69.7ms, 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 9 procedures, 49 locations, 7 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 65.3ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.8ms, PartialOrderReductionTime: 59.0ms, 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...