/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 22:47:29,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 22:47:29,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 22:47:29,465 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 22:47:29,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 22:47:29,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 22:47:29,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 22:47:29,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 22:47:29,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 22:47:29,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 22:47:29,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 22:47:29,474 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 22:47:29,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 22:47:29,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 22:47:29,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 22:47:29,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 22:47:29,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 22:47:29,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 22:47:29,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 22:47:29,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 22:47:29,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 22:47:29,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 22:47:29,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 22:47:29,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 22:47:29,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-05 22:47:29,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-05 22:47:29,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-05 22:47:29,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-05 22:47:29,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-05 22:47:29,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-05 22:47:29,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 22:47:29,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 22:47:29,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 22:47:29,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 22:47:29,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 22:47:29,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 22:47:29,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 22:47:29,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 22:47:29,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 22:47:29,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 22:47:29,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 22:47:29,510 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-05 22:47:29,561 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 22:47:29,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 22:47:29,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 22:47:29,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 22:47:29,563 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 22:47:29,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 22:47:29,564 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 22:47:29,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 22:47:29,564 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 22:47:29,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 22:47:29,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 22:47:29,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 22:47:29,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 22:47:29,565 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 22:47:29,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 22:47:29,565 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 22:47:29,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 22:47:29,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 22:47:29,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 22:47:29,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 22:47:29,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 22:47:29,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 22:47:29,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 22:47:29,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-05 22:47:29,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 22:47:29,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 22:47:29,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 22:47:29,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 22:47:29,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-05 22:47:29,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-05 22:47:29,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 22:47:29,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 22:47:29,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 22:47:29,902 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 22:47:29,903 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 22:47:29,903 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i [2020-10-05 22:47:29,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c64087e94/f828fa59e1c840958fe59b4549d55f3a/FLAG8c2c88e3f [2020-10-05 22:47:30,505 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 22:47:30,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_pso.opt.i [2020-10-05 22:47:30,522 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c64087e94/f828fa59e1c840958fe59b4549d55f3a/FLAG8c2c88e3f [2020-10-05 22:47:30,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c64087e94/f828fa59e1c840958fe59b4549d55f3a [2020-10-05 22:47:30,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 22:47:30,806 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 22:47:30,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 22:47:30,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 22:47:30,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 22:47:30,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:47:30" (1/1) ... [2020-10-05 22:47:30,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4bbd53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:30, skipping insertion in model container [2020-10-05 22:47:30,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 10:47:30" (1/1) ... [2020-10-05 22:47:30,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 22:47:30,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 22:47:31,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:47:31,224 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 22:47:31,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 22:47:31,456 INFO L208 MainTranslator]: Completed translation [2020-10-05 22:47:31,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:31 WrapperNode [2020-10-05 22:47:31,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 22:47:31,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 22:47:31,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 22:47:31,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 22:47:31,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:31" (1/1) ... [2020-10-05 22:47:31,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:31" (1/1) ... [2020-10-05 22:47:31,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 22:47:31,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 22:47:31,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 22:47:31,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 22:47:31,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:31" (1/1) ... [2020-10-05 22:47:31,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:31" (1/1) ... [2020-10-05 22:47:31,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:31" (1/1) ... [2020-10-05 22:47:31,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:31" (1/1) ... [2020-10-05 22:47:31,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:31" (1/1) ... [2020-10-05 22:47:31,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:31" (1/1) ... [2020-10-05 22:47:31,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:31" (1/1) ... [2020-10-05 22:47:31,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 22:47:31,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 22:47:31,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 22:47:31,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 22:47:31,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:31" (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 [2020-10-05 22:47:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 22:47:31,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 22:47:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 22:47:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 22:47:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 22:47:31,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 22:47:31,608 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 22:47:31,609 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 22:47:31,609 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 22:47:31,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 22:47:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 22:47:31,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 22:47:31,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 22:47:31,613 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 22:47:31,970 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 22:47:31,971 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 22:47:31,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:47:31 BoogieIcfgContainer [2020-10-05 22:47:31,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 22:47:31,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 22:47:31,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 22:47:31,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 22:47:31,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 10:47:30" (1/3) ... [2020-10-05 22:47:31,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ea2378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:47:31, skipping insertion in model container [2020-10-05 22:47:31,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 10:47:31" (2/3) ... [2020-10-05 22:47:31,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ea2378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 10:47:31, skipping insertion in model container [2020-10-05 22:47:31,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 10:47:31" (3/3) ... [2020-10-05 22:47:31,983 INFO L109 eAbstractionObserver]: Analyzing ICFG safe000_pso.opt.i [2020-10-05 22:47:31,995 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 22:47:31,996 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-05 22:47:32,004 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 22:47:32,005 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 22:47:32,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,039 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,040 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,040 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,042 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,043 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,044 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,044 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,045 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,045 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,050 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,051 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,051 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,064 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,065 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,065 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,073 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,073 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,073 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,074 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 22:47:32,099 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-05 22:47:32,117 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 22:47:32,117 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 22:47:32,117 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-05 22:47:32,118 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 22:47:32,118 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 22:47:32,118 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 22:47:32,118 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 22:47:32,118 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 22:47:32,134 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 70 transitions, 155 flow [2020-10-05 22:47:32,136 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-10-05 22:47:32,207 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-10-05 22:47:32,208 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 22:47:32,213 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 22:47:32,216 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 70 transitions, 155 flow [2020-10-05 22:47:32,239 INFO L129 PetriNetUnfolder]: 2/67 cut-off events. [2020-10-05 22:47:32,240 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 22:47:32,240 INFO L80 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 67 events. 2/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 46 event pairs, 0 based on Foata normal form. 0/64 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 22:47:32,242 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-10-05 22:47:32,244 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-10-05 22:47:33,949 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2700 [2020-10-05 22:47:33,950 INFO L214 etLargeBlockEncoding]: Total number of compositions: 59 [2020-10-05 22:47:33,954 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 22 transitions, 59 flow [2020-10-05 22:47:33,979 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 298 states. [2020-10-05 22:47:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states. [2020-10-05 22:47:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 22:47:33,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:47:33,991 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:47:33,991 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:47:33,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:47:33,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1011733384, now seen corresponding path program 1 times [2020-10-05 22:47:34,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:47:34,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49802092] [2020-10-05 22:47:34,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:47:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:47:34,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:47:34,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49802092] [2020-10-05 22:47:34,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:47:34,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 22:47:34,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788669845] [2020-10-05 22:47:34,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:47:34,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:47:34,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:47:34,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:47:34,242 INFO L87 Difference]: Start difference. First operand 298 states. Second operand 3 states. [2020-10-05 22:47:34,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:47:34,296 INFO L93 Difference]: Finished difference Result 282 states and 808 transitions. [2020-10-05 22:47:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:47:34,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-05 22:47:34,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:47:34,319 INFO L225 Difference]: With dead ends: 282 [2020-10-05 22:47:34,319 INFO L226 Difference]: Without dead ends: 218 [2020-10-05 22:47:34,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:47:34,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-05 22:47:34,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-10-05 22:47:34,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-05 22:47:34,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 600 transitions. [2020-10-05 22:47:34,400 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 600 transitions. Word has length 8 [2020-10-05 22:47:34,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:47:34,407 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 600 transitions. [2020-10-05 22:47:34,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:47:34,407 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 600 transitions. [2020-10-05 22:47:34,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 22:47:34,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:47:34,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:47:34,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 22:47:34,409 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:47:34,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:47:34,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1035713695, now seen corresponding path program 1 times [2020-10-05 22:47:34,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:47:34,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886355046] [2020-10-05 22:47:34,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:47:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:47:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:47:34,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886355046] [2020-10-05 22:47:34,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:47:34,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:47:34,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559085024] [2020-10-05 22:47:34,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 22:47:34,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:47:34,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 22:47:34,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 22:47:34,527 INFO L87 Difference]: Start difference. First operand 218 states and 600 transitions. Second operand 4 states. [2020-10-05 22:47:34,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:47:34,563 INFO L93 Difference]: Finished difference Result 290 states and 762 transitions. [2020-10-05 22:47:34,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 22:47:34,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-05 22:47:34,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:47:34,566 INFO L225 Difference]: With dead ends: 290 [2020-10-05 22:47:34,567 INFO L226 Difference]: Without dead ends: 164 [2020-10-05 22:47:34,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:47:34,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-05 22:47:34,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-10-05 22:47:34,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-05 22:47:34,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 424 transitions. [2020-10-05 22:47:34,584 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 424 transitions. Word has length 9 [2020-10-05 22:47:34,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:47:34,584 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 424 transitions. [2020-10-05 22:47:34,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 22:47:34,584 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 424 transitions. [2020-10-05 22:47:34,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 22:47:34,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:47:34,586 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:47:34,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 22:47:34,587 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:47:34,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:47:34,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1379691760, now seen corresponding path program 1 times [2020-10-05 22:47:34,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:47:34,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910884048] [2020-10-05 22:47:34,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:47:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:47:34,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:47:34,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910884048] [2020-10-05 22:47:34,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:47:34,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 22:47:34,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436008332] [2020-10-05 22:47:34,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 22:47:34,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:47:34,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 22:47:34,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 22:47:34,698 INFO L87 Difference]: Start difference. First operand 164 states and 424 transitions. Second operand 4 states. [2020-10-05 22:47:34,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:47:34,738 INFO L93 Difference]: Finished difference Result 244 states and 582 transitions. [2020-10-05 22:47:34,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 22:47:34,738 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-05 22:47:34,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:47:34,740 INFO L225 Difference]: With dead ends: 244 [2020-10-05 22:47:34,740 INFO L226 Difference]: Without dead ends: 128 [2020-10-05 22:47:34,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:47:34,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-05 22:47:34,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 116. [2020-10-05 22:47:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-05 22:47:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 268 transitions. [2020-10-05 22:47:34,754 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 268 transitions. Word has length 11 [2020-10-05 22:47:34,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:47:34,754 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 268 transitions. [2020-10-05 22:47:34,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 22:47:34,755 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 268 transitions. [2020-10-05 22:47:34,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 22:47:34,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:47:34,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:47:34,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 22:47:34,756 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:47:34,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:47:34,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1517475135, now seen corresponding path program 1 times [2020-10-05 22:47:34,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:47:34,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633542188] [2020-10-05 22:47:34,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:47:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:47:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:47:34,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633542188] [2020-10-05 22:47:34,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:47:34,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-05 22:47:34,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766612583] [2020-10-05 22:47:34,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-05 22:47:34,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:47:34,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-05 22:47:34,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:47:34,840 INFO L87 Difference]: Start difference. First operand 116 states and 268 transitions. Second operand 3 states. [2020-10-05 22:47:34,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:47:34,846 INFO L93 Difference]: Finished difference Result 110 states and 249 transitions. [2020-10-05 22:47:34,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-05 22:47:34,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-05 22:47:34,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:47:34,848 INFO L225 Difference]: With dead ends: 110 [2020-10-05 22:47:34,848 INFO L226 Difference]: Without dead ends: 110 [2020-10-05 22:47:34,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-05 22:47:34,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-05 22:47:34,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-05 22:47:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-05 22:47:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 249 transitions. [2020-10-05 22:47:34,857 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 249 transitions. Word has length 11 [2020-10-05 22:47:34,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:47:34,857 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 249 transitions. [2020-10-05 22:47:34,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-05 22:47:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 249 transitions. [2020-10-05 22:47:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 22:47:34,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:47:34,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:47:34,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 22:47:34,859 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:47:34,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:47:34,860 INFO L82 PathProgramCache]: Analyzing trace with hash -142823170, now seen corresponding path program 1 times [2020-10-05 22:47:34,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:47:34,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384616477] [2020-10-05 22:47:34,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:47:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:47:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:47:34,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384616477] [2020-10-05 22:47:34,918 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:47:34,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:47:34,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056778736] [2020-10-05 22:47:34,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 22:47:34,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:47:34,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 22:47:34,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 22:47:34,921 INFO L87 Difference]: Start difference. First operand 110 states and 249 transitions. Second operand 4 states. [2020-10-05 22:47:34,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:47:34,938 INFO L93 Difference]: Finished difference Result 112 states and 234 transitions. [2020-10-05 22:47:34,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 22:47:34,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-05 22:47:34,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:47:34,939 INFO L225 Difference]: With dead ends: 112 [2020-10-05 22:47:34,939 INFO L226 Difference]: Without dead ends: 46 [2020-10-05 22:47:34,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:47:34,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-05 22:47:34,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-10-05 22:47:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-05 22:47:34,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 84 transitions. [2020-10-05 22:47:34,944 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 84 transitions. Word has length 12 [2020-10-05 22:47:34,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:47:34,944 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 84 transitions. [2020-10-05 22:47:34,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 22:47:34,944 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2020-10-05 22:47:34,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 22:47:34,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 22:47:34,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 22:47:34,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 22:47:34,946 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 22:47:34,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 22:47:34,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1997055762, now seen corresponding path program 1 times [2020-10-05 22:47:34,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 22:47:34,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463911138] [2020-10-05 22:47:34,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 22:47:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 22:47:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 22:47:34,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463911138] [2020-10-05 22:47:34,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 22:47:34,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 22:47:34,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333312320] [2020-10-05 22:47:34,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 22:47:34,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 22:47:34,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 22:47:34,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 22:47:34,992 INFO L87 Difference]: Start difference. First operand 46 states and 84 transitions. Second operand 4 states. [2020-10-05 22:47:35,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 22:47:35,004 INFO L93 Difference]: Finished difference Result 34 states and 60 transitions. [2020-10-05 22:47:35,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-05 22:47:35,005 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-05 22:47:35,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 22:47:35,005 INFO L225 Difference]: With dead ends: 34 [2020-10-05 22:47:35,005 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 22:47:35,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 22:47:35,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 22:47:35,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 22:47:35,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 22:47:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 22:47:35,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-10-05 22:47:35,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 22:47:35,007 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 22:47:35,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 22:47:35,007 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 22:47:35,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 22:47:35,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 22:47:35,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 10:47:35 BasicIcfg [2020-10-05 22:47:35,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 22:47:35,015 INFO L168 Benchmark]: Toolchain (without parser) took 4208.12 ms. Allocated memory was 140.0 MB in the beginning and 247.5 MB in the end (delta: 107.5 MB). Free memory was 101.8 MB in the beginning and 191.2 MB in the end (delta: -89.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 7.1 GB. [2020-10-05 22:47:35,016 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. [2020-10-05 22:47:35,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.05 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.4 MB in the beginning and 162.9 MB in the end (delta: -61.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-10-05 22:47:35,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.59 ms. Allocated memory is still 204.5 MB. Free memory was 162.9 MB in the beginning and 160.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-05 22:47:35,019 INFO L168 Benchmark]: Boogie Preprocessor took 27.51 ms. Allocated memory is still 204.5 MB. Free memory was 160.9 MB in the beginning and 159.9 MB in the end (delta: 973.0 kB). Peak memory consumption was 973.0 kB. Max. memory is 7.1 GB. [2020-10-05 22:47:35,019 INFO L168 Benchmark]: RCFGBuilder took 438.59 ms. Allocated memory is still 204.5 MB. Free memory was 158.9 MB in the beginning and 137.2 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2020-10-05 22:47:35,020 INFO L168 Benchmark]: TraceAbstraction took 3036.88 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 137.2 MB in the beginning and 191.2 MB in the end (delta: -54.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-05 22:47:35,025 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.4 kB). Peak memory consumption was 419.4 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.05 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.4 MB in the beginning and 162.9 MB in the end (delta: -61.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 49.59 ms. Allocated memory is still 204.5 MB. Free memory was 162.9 MB in the beginning and 160.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.51 ms. Allocated memory is still 204.5 MB. Free memory was 160.9 MB in the beginning and 159.9 MB in the end (delta: 973.0 kB). Peak memory consumption was 973.0 kB. Max. memory is 7.1 GB. * RCFGBuilder took 438.59 ms. Allocated memory is still 204.5 MB. Free memory was 158.9 MB in the beginning and 137.2 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3036.88 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 137.2 MB in the beginning and 191.2 MB in the end (delta: -54.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 78 ProgramPointsBefore, 31 ProgramPointsAfterwards, 70 TransitionsBefore, 22 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 7 FixpointIterations, 14 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 667 VarBasedMoverChecksPositive, 36 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 2700 CheckedPairsTotal, 59 TotalNumberOfCompositions - PositiveResult [Line: 7]: 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 4 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.8s, HoareTripleCheckerStatistics: 105 SDtfs, 84 SDslu, 96 SDs, 0 SdLazy, 37 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 1594 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...