/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 00:14:04,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 00:14:04,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 00:14:04,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 00:14:04,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 00:14:04,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 00:14:04,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 00:14:04,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 00:14:04,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 00:14:04,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 00:14:04,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 00:14:04,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 00:14:04,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 00:14:04,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 00:14:04,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 00:14:04,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 00:14:04,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 00:14:04,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 00:14:04,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 00:14:04,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 00:14:04,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 00:14:04,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 00:14:04,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 00:14:04,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 00:14:04,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 00:14:04,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 00:14:04,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 00:14:04,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 00:14:04,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 00:14:04,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 00:14:04,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 00:14:04,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 00:14:04,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 00:14:04,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 00:14:04,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 00:14:04,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 00:14:04,481 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-FA-SemanticLbe.epf [2020-11-12 00:14:04,530 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 00:14:04,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 00:14:04,536 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 00:14:04,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 00:14:04,537 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 00:14:04,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 00:14:04,537 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 00:14:04,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 00:14:04,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 00:14:04,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 00:14:04,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 00:14:04,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 00:14:04,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 00:14:04,540 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 00:14:04,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 00:14:04,540 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 00:14:04,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 00:14:04,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 00:14:04,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 00:14:04,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 00:14:04,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 00:14:04,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 00:14:04,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 00:14:04,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 00:14:04,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 00:14:04,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 00:14:04,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 00:14:04,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 00:14:04,543 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 00:14:04,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 00:14:04,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 00:14:04,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 00:14:04,989 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 00:14:04,990 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 00:14:04,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_tso.opt.i [2020-11-12 00:14:05,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a7062c4/2f67cf6a47334da8a2a7e1bfbd2c7c29/FLAGe6a6da967 [2020-11-12 00:14:05,711 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 00:14:05,711 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_tso.opt.i [2020-11-12 00:14:05,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a7062c4/2f67cf6a47334da8a2a7e1bfbd2c7c29/FLAGe6a6da967 [2020-11-12 00:14:06,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a7062c4/2f67cf6a47334da8a2a7e1bfbd2c7c29 [2020-11-12 00:14:06,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 00:14:06,015 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 00:14:06,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 00:14:06,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 00:14:06,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 00:14:06,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:06" (1/1) ... [2020-11-12 00:14:06,026 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@150e995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06, skipping insertion in model container [2020-11-12 00:14:06,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:14:06" (1/1) ... [2020-11-12 00:14:06,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 00:14:06,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 00:14:06,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 00:14:06,513 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 00:14:06,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 00:14:06,718 INFO L208 MainTranslator]: Completed translation [2020-11-12 00:14:06,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06 WrapperNode [2020-11-12 00:14:06,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 00:14:06,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 00:14:06,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 00:14:06,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 00:14:06,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2020-11-12 00:14:06,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2020-11-12 00:14:06,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 00:14:06,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 00:14:06,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 00:14:06,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 00:14:06,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2020-11-12 00:14:06,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2020-11-12 00:14:06,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2020-11-12 00:14:06,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2020-11-12 00:14:06,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2020-11-12 00:14:06,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2020-11-12 00:14:06,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... [2020-11-12 00:14:06,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 00:14:06,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 00:14:06,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 00:14:06,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 00:14:06,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 00:14:06,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 00:14:06,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 00:14:06,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 00:14:06,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 00:14:06,964 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 00:14:06,964 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 00:14:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 00:14:06,965 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 00:14:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 00:14:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 00:14:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 00:14:06,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 00:14:06,968 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 00:14:07,367 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 00:14:07,367 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 00:14:07,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:07 BoogieIcfgContainer [2020-11-12 00:14:07,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 00:14:07,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 00:14:07,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 00:14:07,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 00:14:07,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:14:06" (1/3) ... [2020-11-12 00:14:07,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274a8341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:07, skipping insertion in model container [2020-11-12 00:14:07,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:14:06" (2/3) ... [2020-11-12 00:14:07,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274a8341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:07, skipping insertion in model container [2020-11-12 00:14:07,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:07" (3/3) ... [2020-11-12 00:14:07,378 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_tso.opt.i [2020-11-12 00:14:07,392 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 00:14:07,392 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 00:14:07,395 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 00:14:07,396 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 00:14:07,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,431 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,431 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,431 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,431 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,431 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,432 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,432 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,432 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,433 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,433 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,433 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,434 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,434 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,435 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,436 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,436 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,436 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,437 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,437 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,438 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,443 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,443 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,444 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,451 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,451 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,451 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,452 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 00:14:07,463 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 00:14:07,477 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-12 00:14:07,516 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 00:14:07,517 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 00:14:07,517 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 00:14:07,517 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 00:14:07,518 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 00:14:07,518 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 00:14:07,518 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 00:14:07,518 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 00:14:07,535 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-12 00:14:07,538 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-12 00:14:07,541 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 65 transitions, 140 flow [2020-11-12 00:14:07,543 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 65 transitions, 140 flow [2020-11-12 00:14:07,582 INFO L129 PetriNetUnfolder]: 3/63 cut-off events. [2020-11-12 00:14:07,583 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-11-12 00:14:07,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 63 events. 3/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2020-11-12 00:14:07,589 INFO L116 LiptonReduction]: Number of co-enabled transitions 792 [2020-11-12 00:14:10,328 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-11-12 00:14:10,614 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-11-12 00:14:10,709 INFO L131 LiptonReduction]: Checked pairs total: 1384 [2020-11-12 00:14:10,710 INFO L133 LiptonReduction]: Total number of compositions: 62 [2020-11-12 00:14:10,716 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 17 transitions, 44 flow [2020-11-12 00:14:10,734 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 90 states, 88 states have (on average 2.4545454545454546) internal successors, (216), 89 states have internal predecessors, (216), 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) [2020-11-12 00:14:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 88 states have (on average 2.4545454545454546) internal successors, (216), 89 states have internal predecessors, (216), 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) [2020-11-12 00:14:10,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-12 00:14:10,744 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:14:10,744 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-12 00:14:10,745 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:14:10,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:14:10,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1310526713, now seen corresponding path program 1 times [2020-11-12 00:14:10,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:14:10,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743473694] [2020-11-12 00:14:10,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:14:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:14:11,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 00:14:11,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743473694] [2020-11-12 00:14:11,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:14:11,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-12 00:14:11,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93756813] [2020-11-12 00:14:11,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-12 00:14:11,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:14:11,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-12 00:14:11,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 00:14:11,039 INFO L87 Difference]: Start difference. First operand has 90 states, 88 states have (on average 2.4545454545454546) internal successors, (216), 89 states have internal predecessors, (216), 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2020-11-12 00:14:11,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:14:11,057 INFO L93 Difference]: Finished difference Result 90 states and 200 transitions. [2020-11-12 00:14:11,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-12 00:14:11,059 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2020-11-12 00:14:11,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:14:11,070 INFO L225 Difference]: With dead ends: 90 [2020-11-12 00:14:11,070 INFO L226 Difference]: Without dead ends: 74 [2020-11-12 00:14:11,072 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 00:14:11,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-11-12 00:14:11,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-11-12 00:14:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 2.191780821917808) internal successors, (160), 73 states have internal predecessors, (160), 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) [2020-11-12 00:14:11,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 160 transitions. [2020-11-12 00:14:11,118 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 160 transitions. Word has length 6 [2020-11-12 00:14:11,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:14:11,118 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 160 transitions. [2020-11-12 00:14:11,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2020-11-12 00:14:11,119 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 160 transitions. [2020-11-12 00:14:11,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-12 00:14:11,120 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:14:11,120 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-12 00:14:11,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 00:14:11,120 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:14:11,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:14:11,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1971632855, now seen corresponding path program 1 times [2020-11-12 00:14:11,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:14:11,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968048941] [2020-11-12 00:14:11,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:14:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:14:11,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 00:14:11,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968048941] [2020-11-12 00:14:11,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:14:11,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 00:14:11,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706390527] [2020-11-12 00:14:11,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-12 00:14:11,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:14:11,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-12 00:14:11,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-12 00:14:11,278 INFO L87 Difference]: Start difference. First operand 74 states and 160 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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) [2020-11-12 00:14:11,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:14:11,333 INFO L93 Difference]: Finished difference Result 63 states and 112 transitions. [2020-11-12 00:14:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 00:14:11,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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) Word has length 7 [2020-11-12 00:14:11,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:14:11,336 INFO L225 Difference]: With dead ends: 63 [2020-11-12 00:14:11,336 INFO L226 Difference]: Without dead ends: 47 [2020-11-12 00:14:11,338 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-12 00:14:11,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-11-12 00:14:11,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-11-12 00:14:11,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.7173913043478262) internal successors, (79), 46 states have internal predecessors, (79), 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) [2020-11-12 00:14:11,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 79 transitions. [2020-11-12 00:14:11,356 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 79 transitions. Word has length 7 [2020-11-12 00:14:11,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:14:11,357 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 79 transitions. [2020-11-12 00:14:11,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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) [2020-11-12 00:14:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2020-11-12 00:14:11,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-12 00:14:11,361 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:14:11,361 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 00:14:11,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 00:14:11,361 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:14:11,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:14:11,364 INFO L82 PathProgramCache]: Analyzing trace with hash -9155018, now seen corresponding path program 1 times [2020-11-12 00:14:11,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:14:11,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008460081] [2020-11-12 00:14:11,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:14:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:14:11,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 00:14:11,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008460081] [2020-11-12 00:14:11,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:14:11,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 00:14:11,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468713399] [2020-11-12 00:14:11,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-12 00:14:11,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:14:11,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-12 00:14:11,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-12 00:14:11,527 INFO L87 Difference]: Start difference. First operand 47 states and 79 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2020-11-12 00:14:11,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:14:11,572 INFO L93 Difference]: Finished difference Result 36 states and 55 transitions. [2020-11-12 00:14:11,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-12 00:14:11,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 10 [2020-11-12 00:14:11,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:14:11,573 INFO L225 Difference]: With dead ends: 36 [2020-11-12 00:14:11,574 INFO L226 Difference]: Without dead ends: 29 [2020-11-12 00:14:11,574 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-12 00:14:11,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-12 00:14:11,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-12 00:14:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 00:14:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2020-11-12 00:14:11,579 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 43 transitions. Word has length 10 [2020-11-12 00:14:11,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:14:11,579 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 43 transitions. [2020-11-12 00:14:11,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 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) [2020-11-12 00:14:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2020-11-12 00:14:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-12 00:14:11,580 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:14:11,581 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 00:14:11,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 00:14:11,581 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:14:11,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:14:11,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1421633224, now seen corresponding path program 1 times [2020-11-12 00:14:11,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:14:11,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812337549] [2020-11-12 00:14:11,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:14:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:14:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 00:14:11,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812337549] [2020-11-12 00:14:11,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:14:11,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 00:14:11,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094120233] [2020-11-12 00:14:11,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-12 00:14:11,705 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:14:11,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-12 00:14:11,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-12 00:14:11,708 INFO L87 Difference]: Start difference. First operand 29 states and 43 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 00:14:11,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:14:11,755 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions. [2020-11-12 00:14:11,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 00:14:11,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2020-11-12 00:14:11,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:14:11,757 INFO L225 Difference]: With dead ends: 37 [2020-11-12 00:14:11,757 INFO L226 Difference]: Without dead ends: 17 [2020-11-12 00:14:11,757 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-12 00:14:11,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-12 00:14:11,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-12 00:14:11,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.1875) internal successors, (19), 16 states have internal predecessors, (19), 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) [2020-11-12 00:14:11,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2020-11-12 00:14:11,761 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2020-11-12 00:14:11,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:14:11,762 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2020-11-12 00:14:11,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 00:14:11,765 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-11-12 00:14:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-12 00:14:11,766 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 00:14:11,766 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 00:14:11,766 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 00:14:11,767 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 00:14:11,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 00:14:11,767 INFO L82 PathProgramCache]: Analyzing trace with hash -566286524, now seen corresponding path program 2 times [2020-11-12 00:14:11,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 00:14:11,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615863341] [2020-11-12 00:14:11,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 00:14:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 00:14:11,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 00:14:11,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615863341] [2020-11-12 00:14:11,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 00:14:11,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-12 00:14:11,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433404644] [2020-11-12 00:14:11,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-12 00:14:11,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 00:14:11,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-12 00:14:11,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-12 00:14:11,854 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 00:14:11,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 00:14:11,882 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2020-11-12 00:14:11,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 00:14:11,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2020-11-12 00:14:11,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 00:14:11,883 INFO L225 Difference]: With dead ends: 16 [2020-11-12 00:14:11,883 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 00:14:11,884 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-12 00:14:11,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 00:14:11,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 00:14:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2020-11-12 00:14:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 00:14:11,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-11-12 00:14:11,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 00:14:11,885 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 00:14:11,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 00:14:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 00:14:11,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 00:14:11,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 00:14:11,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:14:11 BasicIcfg [2020-11-12 00:14:11,889 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 00:14:11,891 INFO L168 Benchmark]: Toolchain (without parser) took 5879.73 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 277.3 MB in the beginning and 228.0 MB in the end (delta: 49.3 MB). Peak memory consumption was 111.7 MB. Max. memory is 16.0 GB. [2020-11-12 00:14:11,892 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 00:14:11,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.14 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 246.5 MB in the end (delta: 30.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. [2020-11-12 00:14:11,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.73 ms. Allocated memory is still 302.0 MB. Free memory was 246.5 MB in the beginning and 244.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 00:14:11,894 INFO L168 Benchmark]: Boogie Preprocessor took 27.86 ms. Allocated memory is still 302.0 MB. Free memory was 244.5 MB in the beginning and 243.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 00:14:11,895 INFO L168 Benchmark]: RCFGBuilder took 550.10 ms. Allocated memory is still 302.0 MB. Free memory was 243.2 MB in the beginning and 265.0 MB in the end (delta: -21.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. [2020-11-12 00:14:11,896 INFO L168 Benchmark]: TraceAbstraction took 4518.11 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 265.0 MB in the beginning and 228.0 MB in the end (delta: 37.0 MB). Peak memory consumption was 98.8 MB. Max. memory is 16.0 GB. [2020-11-12 00:14:11,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 302.0 MB. Free memory is still 272.4 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 704.14 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 246.5 MB in the end (delta: 30.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 67.73 ms. Allocated memory is still 302.0 MB. Free memory was 246.5 MB in the beginning and 244.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.86 ms. Allocated memory is still 302.0 MB. Free memory was 244.5 MB in the beginning and 243.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 550.10 ms. Allocated memory is still 302.0 MB. Free memory was 243.2 MB in the beginning and 265.0 MB in the end (delta: -21.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4518.11 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 265.0 MB in the beginning and 228.0 MB in the end (delta: 37.0 MB). Peak memory consumption was 98.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 543 VarBasedMoverChecksPositive, 30 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 28 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 40 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.1s, 69 PlacesBefore, 23 PlacesAfterwards, 65 TransitionsBefore, 17 TransitionsAfterwards, 792 CoEnabledTransitionPairs, 5 FixpointIterations, 17 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 2 ChoiceCompositions, 62 TotalNumberOfCompositions, 1384 MoverChecksTotal - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 71 SDtfs, 48 SDslu, 101 SDs, 0 SdLazy, 48 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 1270 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...